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Academic literature on the topic 'Oceano Indiano'

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Published: 11 March 2023

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Journal articles on the topic "Oceano Indiano"

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Sidebotham, Steven E., and Federico de Romanis. "Cassia, cinnamomo, ossidiana: Uomini e merci tra Oceano Indiano e Mediterraneo." Journal of the American Oriental Society 118, no. 4 (October 1998): 590. http://dx.doi.org/10.2307/604815.

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Passos, Joana. "Goa na Diaspóra e na Literatura Indiana em Língua inglesa." Via Atlântica, no. 30 (December 28, 2016): 85. http://dx.doi.org/10.11606/va.v0i30.116798.

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Resumo: Este artigo apresenta um breve enquadramento histórico do aparecimento de literatura goesa em língua inglesa, apontando algumas das suas caraterísticas. Em segundo lugar, aborda-se a literatura goesa da diáspora, visto que a literatura goesa em inglês está intrinsecamente associada às rotas de emigração da comunidade goesa. Por outro lado, aborda-se um dos mais reconhecidos romances da literatura goesa em língua inglesa, sobre Goa na atualidade. Trata-se de Skin (2010) de Margaret Mascarenhas. Por fim, analisamos dois romances do autor indiano Amitav Gosh, sobre as comunidades de marinheiros e migrantes do Oceano Índico, entre os quais se conta a comunidade goesa.
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Ciquini, Fabio, and Clarisse Maria Castro de Alvarenga. "Imagens de vínculo e o vínculo das imagens." PAULUS: Revista de Comunicação da FAPCOM 3, no. 5 (March 19, 2019): 189. http://dx.doi.org/10.31657/rcp.v3i5.101.

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No final de 2018, órgãos de imprensa do mundo todo noticiaram a morte do missionário evangélico norte-americano John Chau que, ao invadir a ilha Sentinela do norte no Oceano Índico, foi morto por habitantes locais que lá residem, segundo antropológos, há cerca de 30 mil anos. Os sentineleses, como são denominados, são uma etnia completamente isolada e protegida pelo governo indiano. Qualquer tipo de contato com outros povos é vetado. O fato novamente jogou a luz midiática para a discussão sobre os denominados “povos isolados” e a necessidade (ou não) de se estabelecer contato com eles e, em reportagens sobre o fato referido, algumas tribos indígenas do interior do Acre e da Amazônia foram citadas como exemplos de povos originários cujo contato com o homem branco ainda não havia sido realizado.
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Pautasso, Diego, Tiago Soares Nogara, and Erik Herejk Ribeiro. "A Nova Rota da Seda e as relações sino-indianas: o desafio do "colar de pérolas" | The New Silk Road and Sino-Indian relations: the “string of pearls” challenge." Mural Internacional 11 (October 20, 2020): e50594. http://dx.doi.org/10.12957/rmi.2020.50594.

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A Belt and Road Initiative (BRI), também chamada de Nova Rota da Seda, representa uma importante etapa do projeto chinês de globalização e possui, portanto, evidentes implicações para os alinhamentos político-estratégicos globais e regionais. Assim, ao mesmo tempo em que produz oportunidades, também faz ascenderem contradições e rivalidades. Diante desse quadro, pretendemos analisar como a Nova Rota da Seda, em especial sua dimensão marítima no Oceano Índico, conformando o chamado colar de pérolas, afeta o padrão de relacionamento sino-indiano. Visando abordar essa complexa temática, o artigo está estruturado em três etapas. Na primeira seção, exporemos breve recapitulação das distintas dimensões de implementação da BRI. Na segunda parte, abordaremos os principais desafios concernentes à conformação do colar de pérolas. Por fim, analisaremos como o conjunto desses fatores impactam as relações sino-indianas.Palavras-chave: China; Nova Rota da Seda; Colar de pérolas.ABSTRACTThe Belt and Road Initiative (BRI), also called the New Silk Road, represents an important stage of the Chinese globalization project and therefore has clear implications for global and regional political-strategic alignments. Thus, while producing opportunities, it also raises contradictions and rivalries. In this scenario, we intend to analyze how the New Silk Road, especially its maritime dimension in the Indian Ocean, forming the so-called string of pearls, affects the Sino-Indian relationship pattern. The article is structured in three stages. In the first section, we will present a brief summary of the different dimensions of the Belt and Road Initiative. In the second part, we will discuss the main challenges concerning the string of pearls. Finally, we will analyze how these factors impact Sino-Indian relations.Keywords: China; New Silk Road; String of pearls. Recebido em 30 abr. 2020 | Aceito em 19 out. 2020.
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Ramazzotti, Marco. "COSTEGGIANDO L’EURASIA. RELITTI E ROTTE DELLA NAVIGAZIONE TRA IL MAR INFERIORE (OCEANO INDIANO) E IL MAR SUPERIORE (MEDITERRANEO ORIENTALE)." Vicino Oriente 25 (2021): 81–104. http://dx.doi.org/10.53131/vo2724-587x2021_4.

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Kajtar, Jules B., Agus Santoso, Matthew H. England, and Wenju Cai. "Indo-Pacific Climate Interactions in the Absence of an Indonesian Throughflow." Journal of Climate 28, no. 13 (July 1, 2015): 5017–29. http://dx.doi.org/10.1175/jcli-d-14-00114.1.

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Abstract The Pacific and Indian Oceans are connected by an oceanic passage called the Indonesian Throughflow (ITF). In this setting, modes of climate variability over the two oceanic basins interact. El Niño–Southern Oscillation (ENSO) events generate sea surface temperature anomalies (SSTAs) over the Indian Ocean that, in turn, influence ENSO evolution. This raises the question as to whether Indo-Pacific feedback interactions would still occur in a climate system without an Indonesian Throughflow. This issue is investigated here for the first time using a coupled climate model with a blocked Indonesian gateway and a series of partially decoupled experiments in which air–sea interactions over each ocean basin are in turn suppressed. Closing the Indonesian Throughflow significantly alters the mean climate state over the Pacific and Indian Oceans. The Pacific Ocean retains an ENSO-like variability, but it is shifted eastward. In contrast, the Indian Ocean dipole and the Indian Ocean basinwide mode both collapse into a single dominant and drastically transformed mode. While the relationship between ENSO and the altered Indian Ocean mode is weaker than that when the ITF is open, the decoupled experiments reveal a damping effect exerted between the two modes. Despite the weaker Indian Ocean SSTAs and the increased distance between these and the core of ENSO SSTAs, the interbasin interactions remain. This suggests that the atmospheric bridge is a robust element of the Indo-Pacific climate system, linking the Indian and Pacific Oceans even in the absence of an Indonesian Throughflow.
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Jin, Xiaolin, Young-Oh Kwon, Caroline C. Ummenhofer, Hyodae Seo, Franziska U. Schwarzkopf, Arne Biastoch, Claus W. Böning, and Jonathon S. Wright. "Influences of Pacific Climate Variability on Decadal Subsurface Ocean Heat Content Variations in the Indian Ocean." Journal of Climate 31, no. 10 (April 30, 2018): 4157–74. http://dx.doi.org/10.1175/jcli-d-17-0654.1.

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Abstract Decadal variabilities in Indian Ocean subsurface ocean heat content (OHC; 50–300 m) since the 1950s are examined using ocean reanalyses. This study elaborates on how Pacific variability modulates the Indian Ocean on decadal time scales through both oceanic and atmospheric pathways. High correlations between OHC and thermocline depth variations across the entire Indian Ocean Basin suggest that OHC variability is primarily driven by thermocline fluctuations. The spatial pattern of the leading mode of decadal Indian Ocean OHC variability closely matches the regression pattern of OHC on the interdecadal Pacific oscillation (IPO), emphasizing the role of the Pacific Ocean in determining Indian Ocean OHC decadal variability. Further analyses identify different mechanisms by which the Pacific influences the eastern and western Indian Ocean. IPO-related anomalies from the Pacific propagate mainly through oceanic pathways in the Maritime Continent to impact the eastern Indian Ocean. By contrast, in the western Indian Ocean, the IPO induces wind-driven Ekman pumping in the central Indian Ocean via the atmospheric bridge, which in turn modifies conditions in the southwestern Indian Ocean via westward-propagating Rossby waves. To confirm this, a linear Rossby wave model is forced with wind stresses and eastern boundary conditions based on reanalyses. This linear model skillfully reproduces observed sea surface height anomalies and highlights both the oceanic connection in the eastern Indian Ocean and the role of wind-driven Ekman pumping in the west. These findings are also reproduced by OGCM hindcast experiments forced by interannual atmospheric boundary conditions applied only over the Pacific and Indian Oceans, respectively.
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Phillips, Helen E., Amit Tandon, Ryo Furue, Raleigh Hood, Caroline C. Ummenhofer, Jessica A. Benthuysen, Viviane Menezes, et al. "Progress in understanding of Indian Ocean circulation, variability, air–sea exchange, and impacts on biogeochemistry." Ocean Science 17, no. 6 (November 26, 2021): 1677–751. http://dx.doi.org/10.5194/os-17-1677-2021.

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Abstract. Over the past decade, our understanding of the Indian Ocean has advanced through concerted efforts toward measuring the ocean circulation and air–sea exchanges, detecting changes in water masses, and linking physical processes to ecologically important variables. New circulation pathways and mechanisms have been discovered that control atmospheric and oceanic mean state and variability. This review brings together new understanding of the ocean–atmosphere system in the Indian Ocean since the last comprehensive review, describing the Indian Ocean circulation patterns, air–sea interactions, and climate variability. Coordinated international focus on the Indian Ocean has motivated the application of new technologies to deliver higher-resolution observations and models of Indian Ocean processes. As a result we are discovering the importance of small-scale processes in setting the large-scale gradients and circulation, interactions between physical and biogeochemical processes, interactions between boundary currents and the interior, and interactions between the surface and the deep ocean. A newly discovered regional climate mode in the southeast Indian Ocean, the Ningaloo Niño, has instigated more regional air–sea coupling and marine heatwave research in the global oceans. In the last decade, we have seen rapid warming of the Indian Ocean overlaid with extremes in the form of marine heatwaves. These events have motivated studies that have delivered new insight into the variability in ocean heat content and exchanges in the Indian Ocean and have highlighted the critical role of the Indian Ocean as a clearing house for anthropogenic heat. This synthesis paper reviews the advances in these areas in the last decade.
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Bala Subrahamanyam, D., and R. Ramachandran. "Wind Speed dependence of Air-Sea Exchange parameters over the Indian Ocean during INDOEX, IFP-99." Annales Geophysicae 21, no. 7 (July 31, 2003): 1667–79. http://dx.doi.org/10.5194/angeo-21-1667-2003.

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Abstract. Air-Sea exchange of momentum, heat and moisture over the oceanic surface plays an important role in understanding several processes spanning various scales of atmospheric and oceanic motions. The present study provides estimates of air-sea exchange parameters along the cruise track of the Intensive Field Phase of Indian Ocean Experiment (INDOEX, IFP-99) conducted on board Oceanic Research Vessel (ORV) Sagar Kanya during 20 January–12 March 1999 for a large region of the Indian Ocean. The study is aimed at acquiring a better understanding of the wind speed dependence of air-sea interaction parameters, such as roughness lengths for wind (z0), temperature (z0t) and hu-midity (z0q), which play a key role in the determination of the air-sea exchange coefficients and interface fluxes across the tropical oceans. The variation of drag coefficient (CD), sensible heat and water vapor exchange coefficients (CH and CE), are also discussed in relation to the wind speed. An empirical relation is derived between the estimated values of drag coefficients and the observed values of wind speeds for the hitherto data-sparse regions over the tropical Indian Ocean.Key words. Oceanography: physical (air-sea interaction) Meteorology and atmospheric dynamics (ocean-atmosphere interaction) – Oceanography: physical (marine meteorology)
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Mohino, E., B. Rodríguez-Fonseca, C. R. Mechoso, S. Gervois, P. Ruti, and F. Chauvin. "Impacts of the Tropical Pacific/Indian Oceans on the Seasonal Cycle of the West African Monsoon." Journal of Climate 24, no. 15 (August 1, 2011): 3878–91. http://dx.doi.org/10.1175/2011jcli3988.1.

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Abstract The current consensus is that drought has developed in the Sahel during the second half of the twentieth century as a result of remote effects of oceanic anomalies amplified by local land–atmosphere interactions. This paper focuses on the impacts of oceanic anomalies upon West African climate and specifically aims to identify those from SST anomalies in the Pacific/Indian Oceans during spring and summer seasons, when they were significant. Idealized sensitivity experiments are performed with four atmospheric general circulation models (AGCMs). The prescribed SST patterns used in the AGCMs are based on the leading mode of covariability between SST anomalies over the Pacific/Indian Oceans and summer rainfall over West Africa. The results show that such oceanic anomalies in the Pacific/Indian Ocean lead to a northward shift of an anomalous dry belt from the Gulf of Guinea to the Sahel as the season advances. In the Sahel, the magnitude of rainfall anomalies is comparable to that obtained by other authors using SST anomalies confined to the proximity of the Atlantic Ocean. The mechanism connecting the Pacific/Indian SST anomalies with West African rainfall has a strong seasonal cycle. In spring (May and June), anomalous subsidence develops over both the Maritime Continent and the equatorial Atlantic in response to the enhanced equatorial heating. Precipitation increases over continental West Africa in association with stronger zonal convergence of moisture. In addition, precipitation decreases over the Gulf of Guinea. During the monsoon peak (July and August), the SST anomalies move westward over the equatorial Pacific and the two regions where subsidence occurred earlier in the seasons merge over West Africa. The monsoon weakens and rainfall decreases over the Sahel, especially in August.
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Dissertations / Theses on the topic "Oceano Indiano"

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SCHIERANO, PAOLA. "Da Mayotte a La Réunion. Mobilità, convivenze e fratture in due Oltremare europei (Oceano Indiano)." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2021. http://hdl.handle.net/10281/329921.

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Situate nel cuore dell’oceano Indiano sud-occidentale, le isole di La Réunion e di Mayotte rappresentano la “Francia dell’oceano Indiano”: questi due Dipartimenti d’Oltremare e Regioni ultraperiferiche d’Europa sono molto diverse tra loro, ma sono accomunate da una relativa prosperità che ha contribuito a renderle delle destinazioni privilegiate per i migranti della zona. Cristallizzata in una situazione postcoloniale sui generis fino al 2011, quando è stata dichiarata ufficialmente 101° Dipartimento francese, Mayotte attraversa una fase di riorganizzazione giuridico-istituzionale che sta trasformando profondamente il volto di questa società. La recente dipartimentalizzazione di Mayotte ha infatti contribuito a modificare sensibilmente il modo di «essere Maoresi» sull'isola e in mobilità. Sebbene gli esiti dell’applicazione dei tradizionali meccanismi di assimilazione – richiesti dall'evoluzione statutaria – iniziano a essere visibili a livello istituzionale, permangono profonde disuguaglianze economiche e strutturali che rappresentano il principale fattore della mobilità dei Maoresi a La Réunion. Gli aspetti legati all'impregnazione di stili di vita derivati dalla modernità assumono una portata particolare in situazione di mobilità: i Maoresi a La Réunion soffrono infatti di una forte stigmatizzazione a causa delle loro specificità culturali, sconosciute alla maggior parte dei Riunionesi. Benché effettiva, questa emarginazione è vissuta in modo diverso a seconda delle generazioni, così come il sentimento di appartenenza all'una e all'altra società: se i più «anziani» mostrano un attaccamento viscerale nei confronti dell'isola d'origine, i più giovani, cresciuti o nati a La Réunion, presentano invece una certa marginalità identitaria a entrambi i sistemi culturali. La moltiplicazione dei riferimenti identitari in situazione di mobilità ha contribuito alla creazione di una frattura generazionale tra le giovani generazioni e i «Pionieri» della mobilità maorese, che sembrerebbe agevolare la definitiva – benché graduale – integrazione della componente maorese all’interno della società riunionese. A partire dall’osservazione delle forme di organizzazione sociale e delle traiettorie biografiche dei Maoresi residenti a La Réunion si propone un’analisi socio-antropologica dell’impatto a breve termine della dipartimentalizzazione di Mayotte sulle dinamiche circolatorie regionali, nonché sulle modalità di rappresentazione e autorappresentazione dei Maoresi residenti a Mayotte e a La Réunion. L’obiettivo è analizzare l’evoluzione delle strategie di adattamento e di integrazione al contesto sociale riunionese, le forme di convivenza interetnica e l’evoluzione del sentimento di appartenenza identitaria tra le differenti generazioni. In particolare, si tenterà di esplorare in che modo la “maoresità” (mahorité) viene esperita dalla comunità in loco e in mobilità e in che modo questa viene influenzata dalle circolazioni migratorie, facendo leva sulle spinte esogene ed endogene al cambiamento (attrazioni, resistenze e reinvenzioni).
The islands of La Réunion and Mayotte, located in the heart of the southwestern Indian Ocean, represent the "France of the Indian Ocean": these two Overseas Departments and Outermost Regions of Europe are very different from each other, but they share a relative prosperity that makes them an attractive destination for migrants in the area. Crystallized in a sui generis postcolonial situation until 2011, when it became the 101st French Department, the island of Mayotte is crossing important social, cultural and structural transformations nowadays, strongly intertwined with its political history and geographical location. Mayotte’s departmentalization process has contributed to profoundly modifying the way to « be Mahorais » on the island and elsewhere. Despite the efforts to reduce structural backwardness, Mayotte remains France’s poorest Department: the migration crisis linked to the rapid population growth, structural shortages and deep economic and social inequalities set up a chain reaction that brought a large number of Mahorais to move to La Réunion to improve their life conditions. Most of Mahorais families have mobility life stories reflecting the outcomes of postcolonial splitting boundaries. The impact of assimilation mechanisms – required by the institutional alignment program recently launched – is evident at structural level in Mayotte, but at cultural and social level the impact is less obvious. On the contrary, strong signals of Westernization can be observed among the lifestyles of Mahorais families permanently resident in La Réunion. Mobility experiences seems to multiplicated identity markers among Mahorais young people contributing to the creation of a generational fracture with the elders. Mahorais community in La Réunion face integration and stigmatisation problems because of their particular linguistic and cultural specificities, unknown or misunderstood by most Reunionese people. It appears, nevertheless, that social exclusion is not similarly experienced by the younger « Mahoreunioneses » – Mahorais born or raised in La Réunion – and by the elders, the « Pioneers » of mahorais mobility. The young « Mahoreunioneses » express a partial belonging to the two cultural systems which may contributing to a progressive integration of Mahorais in Réunionese society. The aim of the study, based on biographical approach and participant observation method, is to observe the short-term impact of Mayotte's departmentalization on regional mobility dynamics, as well as on collective representations of Mahorais group in La Réunion and their self-representation modalities. This socio-anthropological reflection highlights the different sense of belonging between the generations of Mahorais, as well as their strategies of adaptation and integration to reunionese context. In particular, this study aims to enhance understanding of how "mahority" (mahorité) is experienced by the community – on the island and on the move – influenced by migratory movements, leveraging on exogenous and endogenous pressures (attractions, resistances and reinventions).
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LIUZZO, Marco. "Interazioni crosta-mantello e connessioni con il sistema geodinamico nell’origine e circolazione dei fluidi dell’Arcipelago delle Comore - Oceano Indiano." Doctoral thesis, Università degli studi di Ferrara, 2022. http://hdl.handle.net/11392/2486768.

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L'area di studio si concentra su due isole dell'arcipelago delle Comore: Grande Comore e Mayotte, situate all'interno del Canale di Mozambico e in un complicato sistema geodinamico di grande interesse a causa dell'attività vulcanica e sismica attualmente esistente e di cui attualmente manca un quadro descrittivo completo. In particolare, per quanto riguarda la geochimica dei fluidi, esiste ancora una conoscenza molto limitata delle emissioni di gas e fluidi. Sull'isola Grande Comore ci si è concentrati sul vulcano Karthala, il più attivo dell'Oceano Indiano occidentale dopo il Piton de la Fournaise a La Reunion. Karthala è un vulcano a scudo basaltico che ha eruttato regolarmente nell'ultimo secolo, quattordici eruzioni sono elencate dal 1904 ad oggi, e l'ultima eruzione è del 2007. Lo studio del degassamento diffuso del vulcano Karthala, con particolare attenzione all'emissione di CO2 dai fianchi del vulcano, e del degassamento fumarolico sommitale è fondamentale per la valutazione dello stato di attività del vulcano. Mayotte è l'isola più vecchia dell'arcipelago e nessuna eruzione recente è stata registrata a dall'ultima intorno al 2050 a.C. ± 500; tuttavia, l'attività vulcanica a Mayotte è ancora presente sotto forma di una vasta area di degassamento subaereo e subacqueo nella piccola isola a nord-est di Mayotte: Petite Terre. Qui due zone ad alto degassamento sono presenti: la spiaggia sud-orientale (BAS); e il lago Dziani situato nella parte nord dell'isola di Petite Terre. L’isola è stata recentemente interessata da una crisi sismica che è durata diversi mesi, ed è stata accompagnata dalla formazione del più grande vulcano sottomarino degli ultimi secoli, a circa 50 km dalla sua costa. La tesi è divisa in due sezioni: la prima si concentra sulle emissioni di gas di Karthala e dell’area BAS a Petite Terre, con lo scopo di identificare le principali caratteristiche, similitudini e differenze; la seconda sezione della tesi si concentra sulla differenza tra le due aree di gorgogliamento di Petite Terre, dove sarà incluso lo studio delle emissioni di gas del lago Dziani che sono state indagate solo nelle indagini più recenti. I risultati di questa tesi convergono verso il riconoscimento di alcune notevoli peculiarità: 1. Le emissioni di CO2 nel suolo sono spazialmente distribuite lungo le principali caratteristiche strutturali sia della Grande Comore che di Petite Terre; tuttavia, la firma isotopica del carbonio delle emissioni di CO2 nel suolo evidenzia un basso contributo magmatico nelle aree distali del vulcano Karthala, e un contributo magmatico più alto nelle emissioni di CO2 a Petite Terre, relativamente al periodo di osservazione. 2. La firma isotopica dell'elio è tipicamente bassa e compresa nell'intervallo di valori ~6 ≤ Rc/Ra ≤ ~7.5 a Petite Terre e ~4.6 ≤ Rc/Ra ≤ ~5.8 a Karthala. 3. L'area di gorgogliamento sul mare (BAS) e al lago Dziani (Mayotte) hanno probabilmente una alimentazione comune; tuttavia, il lago Dziani è significativamente influenzato da processi secondari legati alle attività biotiche nel lago che ne determinano una maggiore variabilità della chimica del gas, nel 13C (CH4 e CO2) rispetto a BAS. 4. L'aumento del valore di Rc/Ra tra il 2008 e il 2018-19, e un non raggiunto equilibrio isotopico di 13CCH4 dal fluido idrotermale, può essere attribuito all'attività vulcanica che ha generato il nuovo vulcano sottomarino a 50 km al largo di Petite Terre. Quest’ultima considerazione è anche coerente con l'interpretazione finale di questo lavoro, dove l'ingresso di fluido riscaldato ricco di CO2 nel sistema idrotermale di Petite Terre è una conseguenza della perturbazione del sistema idraulico superficiale legata alla eruzione sottomarina, con conseguente aumento delle temperature di equilibrio nel 2018 e successivo raffreddamento durante e dopo l'attività sismo-vulcanica.
The study area focuses on two islands of the Comoros archipelago, Grande Comore and Mayotte, located within the Mozambique Channel and in a complicated geodynamic system of great interest due to the volcanic and seismic activity that currently exists and of which a complete descriptive picture is currently lacking. In particular, there is still very limited knowledge of gas and fluid geochemistry. On Grande Comore, the focus was on the Karthala volcano, the most active volcano in the western Indian Ocean after Piton de la Fournaise in La Reunion. Karthala is a basaltic shield volcano that has erupted regularly over the last century, fourteen eruptions are listed from 1904 to the present, with the last eruption in 2007. The knowledge of the diffuse degassing of the Karthala volcano, with particular attention to the emission of CO2 from the flanks and of the summit fumarolic area is fundamental for the assessment of the state of activity of the volcano. Mayotte is the oldest island in the archipelago and no recent eruptions have been recorded since the last one around 2050 BC ± 500; however, volcanic activity in Mayotte is still present in the form of a large area of subaerial and underwater outgassing on the small island to the north-east of Mayotte: Petite Terre. Two areas of high outgassing are present here: the south-eastern beach (BAS); and Lake Dziani located in the northern part of the island of Petite Terre. The island was recently affected by a seismic crisis that lasted several months, and was accompanied by the formation of the largest submarine volcano in recent centuries, about 50 km from its coast. The thesis is divided into two sections: the first focuses on gas emissions from Karthala and the BAS area at Petite Terre, with the aim of identifying the main characteristics, similarities and differences; the second section of the thesis focuses on the difference between the two bubbling areas at Petite Terre, where the study of gas emissions from Lake Dziani, which have only been investigated in more recent surveys, will be included. The results of this thesis converge towards the recognition of some remarkable peculiarities: 1. Soil CO2 emissions are spatially distributed along the main structural features of both Grande Comore and Petite Terre; however, the carbon isotopic signature of soil CO2 emissions shows a low magmatic contribution in the distal areas of Karthala volcano, and vice-versa a higher magmatic contribution in CO2 emissions at Petite Terre, relative to the period of observation. 2. The helium isotopic signature is typically low and in the range of ~6 ≤ Rc/Ra ≤ ~7.5 at Petite Terre and ~4.6 ≤ Rc/Ra ≤ ~5.8 at Karthala. 3. The bubbling area on the sea (BAS) and at Dziani lake (Mayotte) are likely fed by a common source; however, Dziani lake is significantly affected by secondary processes that are mainly related to biotic activities in the lake, which result in the higher variability of gas chemistry, 13C in methane and CO2 than BAS. 4. The increased value of Rc/Ra between 2008 and 2018-19, and a not-reached isotopic equilibrium of 13CCH4 from the hydrothermal fluid, may be ascribed to the volcanic activity that generated the new submarine volcano 50 km offshore from Petite Terre. The latter consideration is also consistent with the final interpretation of this work, where the input of heated CO2-rich fluid into the Petite Terre hydrothermal system is a consequence of the perturbation of the shallow plumbing system by the offshore submarine eruption, resulting in higher equilibrium temperatures in 2018 and subsequent cooling down during and after the seismo-volcanic activity.
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Elfadli, Kasem. "Indian Ocean Dipole impacts on northwestern Indian Ocean climate variability." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/396586/.

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The Indian Ocean Dipole (IOD) is a coupled ocean-atmosphere phenomenon in the equatorial Indian Ocean, with a positive mode characterized by anomalous warming of sea surface temperatures in the west and anomalous cooling in the east. The IOD has been shown to affect inter-annual variability of the Indian monsoon. There is also evidence that the IOD may affect the formation, strength and duration of monsoon-related oceanic features in the North West Indian Ocean (NWIO), including fronts and eddies, the Somali upwelling and the ‘Great Whirl’ system. However, the mechanism by which the IOD develops and details of its connection with monsoon-related oceanic phenomena in the NWIO remain unclear. Satellite datasets of sea surface temperature anomalies (SSTA) and sea surface height anomalies (SSHA) over the past two decades have been examined, mainly to investigate the relationship between the IOD and large-scale climate modes like the Indian monsoon, El Niño Southern Oscillation (ENSO) and Rossby/Kelvin Waves. Early results show SSHA in NWIO; is more correlated with the IOD than with the ENSO. Also the results indicate an impact of Rossby wave patterns on the Somali Current system. Satellite datasets of sea surface temperature anomalies (SSTA) and sea surface height anomalies (SSHA) over the past two decades have been examined, mainly to investigate the relationship between the IOD and large-scale climate modes like the Indian monsoon, El Niño Southern Oscillation (ENSO) and Rossby/Kelvin Waves. Early results show SSHA in NWIO; is more correlated with the IOD than with the ENSO. Also the results indicate an impact of Rossby wave patterns on the Somali Current system. Satellite datasets of sea surface temperature anomalies (SSTA) and sea surface height anomalies (SSHA) over the past two decades have been examined, mainly to investigate the relationship between the IOD and large-scale climate modes like the Indian monsoon, El Niño Southern Oscillation (ENSO) and Rossby/Kelvin Waves. Early results show SSHA in NWIO; is more correlated with the IOD than with the ENSO. Also the results indicate an impact of Rossby wave patterns on the Somali Current system.
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Gibbons, Ana D. "Regional plate tectonic reconstructions of the Indian Ocean." Thesis, The University of Sydney, 2012. http://hdl.handle.net/2123/8580.

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This thesis outlines and tackles the major outstanding issues of early Indian Ocean plate tectonic reconstructions using recent advancements in data and technology. The first chapter is focussed on the original extent of Greater India, using information from the abyssal plains offshore West Australia to incorporate tectonic boundaries that include several major submarine plateaus. In this chapter we also describe the methods employed to construct our plate kinematic models. The second chapter investigates the seafloor off East Antarctica, relating it to the conjugate seafloor off East India, where there are several anomalous tectonic features, with disputed origins. This chapter also solves the enigmatic, curved fracture zones located several kilometres off West Australia and East Antarctica, and predicts a diachronous separation between Madagascar and India. The final chapter investigates the implications of the plate reconstruction model further afield, matching the accretions of Greater India, Argoland and various Tethyan oceanic arcs, to the geological evidence in the Eurasia and Southeast Asian margins.
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Mavume, Alberto Francisco. "Tropical cyclones in the South-West Indian Ocean : intensity changes, oceanic interaction and impacts." Doctoral thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/11314.

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This study investigates the climatology, intensification and ocean atmosphere interaction in relation to the passage of tropical cyclones (TCs) in the South-West Indian Ocean (SWIO). A Climatology of TCs in the SWIO including landfall in the area of Mozambique and Madagascar was developed for the 1952-2007 and 1980-2007 periods.
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Haynes, Annette M. "Indian naval development power projection in the Indian Ocean? /." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA242460.

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Thesis (M.S. in National Security Affairs)--Naval Postgraduate School, December 1990.
Thesis Advisor(s): Winterford, David. Second Reader: Wood, Glynn. "December 1990." Description based on title screen as viewed on March 31, 2010. DTIC Identifier(s): India, Naval Plalnning, Military Forces (United States), Military Force (Foreign), Foreign Policy, Pakistan, China, Indian Ocean, Power Projection, Theses. Author(s) subject terms: India, Pakistan, China, United States, Soviet Union, Foreign Policy, Military, Indian Naval Development, Power Projection. Includes bibliographical references. Also available in print.
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Hermes, Juliet C. "Ocean model diagnosis of variability in the South Indian Ocean." Doctoral thesis, University of Cape Town, 2005. http://hdl.handle.net/11427/8649.

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Evidence exists that sea surface temperature (SST) variability in the South Indian Ocean may significantly influence weather and climate patterns in the southern African region. SST, in tum, can be influenced by variability in ocean fluxes, observations of which are limited in the South Indian Ocean and it is necessary to augment them with estimates derived from models. Two sets of variability in this region are examined in this thesis. The first concerns the large-scale interannual variability of the oceans neighbouring South Africa and the second, inter-ocean fluxes south of Africa on meso-through to interannual timescales. In terms of the former, a global ocean model forced with 50 years of NCEP (National Centre for Environmental Prediction) re-analyses winds and heat fluxes, has been used to investigate the evolution and forcing of interannual SST variability in the South Indian Ocean and co-variability patterns in the South Atlantic. Secondly, an eddy- permitting model is used to investigate volume, heat and salt fluxes in the oceanic region south of Africa and the effect of variations in the strength of wind forcing. Interannual dipole-like SST variability in the South Indian and South Atlantic Oceans were realistically simulated using the global ocean model, ORCA2. The model results imply that there are connections between large-scale modulations of the midlatitude atmospheric circulation of the Southern Hemisphere and co-evolving SST variability in the South Atlantic and South Indian Oceans. The atmospheric variability results in an increase (decrease) in strength of the anticyclonic wind fields over each ocean during positive (negative) dipole events. The resulting wind anomalies lead to changes in surface heat fluxes, short wave radiation, meridional Ekman heat transport and upwelling, all of which contribute to the evolution of these SST dipole patterns. Evidence is found of links between these dipole patterns and the Antarctic Oscillation and ENSO (El Niño Southern Oscillation).
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Flaviani, Flavia. "Microbial biodiversity in the southern Indian Ocean and Southern Ocean." Doctoral thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/25058.

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The multi-phylotype and ecologically important community of microbes in aquatic environments ranges from the numerically dominant viruses to the diverse climate-change regulating phytoplankton. Recent advances in next generation sequencing are starting to reveal the true diversity and biological complexity of this previously invisible component of Earth's hydrosphere. An increased awareness of this microbiome's importance has led to the rise of microbial studies with marine environmental samples being collected and sequenced daily around the globe. Despite the rapid advancement in knowledge of marine microbial diversity, technical difficulties have constrained the ability to perform basin wide physical and chemical oceanographic assessments in tandem with microbiological screening with the majority of studies only looking at a single component of the microbial community. In this study the full microbial diversity, from viruses to protists, was characterised within the southern Indian Ocean and the Southern Ocean from a small volume of seawater collected using the same CTD equipment used by oceanographers. Throughout this study it will be demonstrated how this small volume is sufficient to describe the core microbial taxa in the marine environment. The application of a bespoke bioinformatics pipeline, integrated with sequencing replication, improved the description of the dominant core microbiome whilst removing OTUs present due to PCR and sequencing artefacts thereby improving the accurate description of rare phylotypes. Analyses confirmed the dominance of Cyanobacteria, Alphaproteobacteria and Gammaproteobacteria in the pelagic prokaryotic microbiome, while the Stramenopiles-Alveolata-Rhizaria (SAR) cluster dominates the eukaryotic microbiome. A decrease in the SAR community will be reported for the Southern Ocean with a concomitant increase in the haptophyte community. Whilst the virome confirmed the dominance of tailed phages and giant viruses across all stations, there was a significant variation caudoviruses and Nucleocytoplasmic Large DNA viruses (NCLDV) across defined biogeographical boundaries. The described method will allow the characterisation of the microbial biodiversity as well as future integration with oceanographic data with a much reduced sampling effort. The characterisation of the whole microbial community from a single water sample will improve the understanding of microbial interactions and represent a step towards in the inclusion of viruses into biogeochemical models.
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Ly, Tio Fane-Pineo Huguette. "Chinese diaspora in Western Indian Ocean /." [Rose Hill : [Mauritius] : Mauritius] : Éditions de l'Océan Indien ; Chinese catholic mission, 1985. http://catalogue.bnf.fr/ark:/12148/cb36631208d.

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Alevras, Dimitrios. "Simulating tsunamis in the Indian Ocean with real bathymetry by using a high-order triangular discontinuous Galerkin oceanic shallow water model." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/March/09Mar%5FAlevras.pdf.

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Thesis (M.S. in Meteorology and Physical Oceanography and M.S. in Applied Mathematics)--Naval Postgraduate School, March 2009.
Thesis Advisor(s): Giraldo, Francis X. ; Radko, Timour. "March 2009." Description based on title screen as viewed on April 24, 2009. Author(s) subject terms: Tsunami Simulation, Indian Ocean Tsunami 2004, Triangular Discontinuous Galerkin Method, Propagation stage, Oceanic Shallow Water Model. Includes bibliographical references (p. 91-93). Also available in print.
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Books on the topic "Oceano Indiano"

1

Oceano indiano occidentale: Scorci di storia. Milano: Polimetrica, 2009.

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Romanis, Federico De. Cassia, cinnamomo, ossidiana: Uomini e merci tra Oceano indiano e Mediterraneo. Roma: "L'Erma" di Bretschneider, 1996.

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Indian Ocean and India's security. Delhi, India: Mittal Publications, 1986.

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Athawale, Sanhita. India's Indian Ocean islands: A study in India's Indian Ocean islands, their geographic, demographic, political, and strategic importance. New Delhi: ABC Pub. House, 1991.

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Singh, Anil Kumar. India's security concerns in the Indian Ocean region. New Delhi: Har-Anand Publications, 2003.

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Indian Ocean. Minneapolis, MN: Bellwether Media, Inc., 2016.

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Prevost, John F. Indian Ocean. Minneapolis: Abdo Pub. Co., 2003.

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Green, Jen. Indian Ocean. Milwaukee, WI: World Almanac Library, 2006.

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W, Gotthold Donald, ed. Indian Ocean. Oxford, England: Clio Press, 1988.

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Spilsbury, Louise. Indian Ocean. London: Raintree, 2015.

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Book chapters on the topic "Oceano Indiano"

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Bird, Eric C. F. "Indian Ocean." In The World’s Coasts: Online, 1288–302. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/0-306-48369-6_19.

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Mukherjee, Rila. "India’s Central Indian Ocean and Sri Lanka." In India in the Indian Ocean World, 59–82. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-6581-3_3.

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Mukherjee, Rila. "Seeing the Indian Ocean." In India in the Indian Ocean World, 27–58. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-6581-3_2.

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Otto, Lisa. "India's Ocean." In African Navies, 131–46. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003309154-7.

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Gopala Rao, D., and D. A. Bhaskara Rao. "Oceanic Intraplate Deformation: The Central Indian Ocean Basin." In Encyclopedia of Solid Earth Geophysics, 913–18. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-8702-7_196.

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Pannerselvam, Prakash, Rajaram Nagappa, and R. N. Ganesh. "Assessing India's ASW Capability in the Indian Ocean." In Underwater Domain Awareness, 71–90. London: Routledge India, 2022. http://dx.doi.org/10.4324/9781003298380-5.

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Morris, Michael A. "The Indian Ocean." In Expansion of Third-World Navies, 229–41. London: Palgrave Macmillan UK, 1987. http://dx.doi.org/10.1007/978-1-349-08821-8_11.

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Naqvi, S. W. A. "Indian Ocean Margins." In Global Change – The IGBP Series, 171–210. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-92735-8_4.

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Poh, Wong Poh. "Indian Ocean Islands." In Encyclopedia of the World's Coastal Landforms, 1097–110. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-1-4020-8639-7_205.

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Natland, James. "Indian ocean crust." In Oceanic Basalts, 289–310. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3540-9_12.

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Conference papers on the topic "Oceano Indiano"

1

Андрианова, О., O. Andrianova, А. Батырев, A. Batyrev, Р. Белевич, and R. Belevich. "TRENDS OF THE INTERANNUAL FLUCTUATIONS IN THE WORLD OCEAN LEVEL DURING THE LAST CENTURY." In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce386bb7293.29087345.

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The changes of the sea level in the Atlantic, Pacific, Indian Oceans and the whole World Ocean for the period from 1880 till 2010 years were examined. The estimates of the values of the sea level increasing for that time period in each of the oceans and on the west and east coasts of the Atlantic and Pacific oceans were made. For this purpose, the annual sea level data were averaged over years for 68 stations in the Atlantic Ocean, 71 stations – in the Pacific and 33 stations – the Indian. Analysis of the temporary distributions of the sea level shows that increasing of the Atlantic sea level during that period (131 years) is 24,2 cm. Sea levels of Pacific and Indian Oceans during the same period increased on smaller value, 14,5 and 12,4 cm respectively. The reason for difference between the Atlantic and the Pacific Ocean in values of sea level rising, as it seems, is significant rising of the land (raising of the East coast of the Asian continent), which was occurred in about half of the stations on the west coast of the Pacific. In the Indian Ocean the zero level of water posts was not correct for many stations, and in some cases there were low quality data. The highest maxima in the sea level in the generalized curves of the temporary distributions appear with about 10-year cycles on the sea level of all oceans that is in good correlation with El Niño years.
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Ponomarev, Vladimir, Vladimir Ponomarev, Elena Dmitrieva, Elena Dmitrieva, Svetlana Shkorba, Svetlana Shkorba, Irina Mashkina, Irina Mashkina, Alexander Karnaukhov, and Alexander Karnaukhov. "CLIMATIC REGIME CHANGE IN THE ASIAN PACIFIC REGION, INDIAN AND SOUTHERN OCEANS AT THE END OF THE 20TH CENTURY." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b9475504153.46587602.

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Multiple scale climate variability in Asia of temperate and high latitudes, Pacific, Indian and South Oceans, their features and linkages are studied by using statistical analyses of monthly mean time series of Hadley, Reynolds SST, surface net heat flux (Q), atmospheric pressure (SLP), air temperature (SAT) from NCEP NCAR reanalyses (1948-2015). Three multidecadal climatic regimes were revealed for the whole area studied by using cluster analyses via Principal Components of differences between values of Q, SLP, SAT in tropical and extratropical regions of the Asian Pacific, Indian and Southern Oceans. The climate regime change in 70s of the 20th century in this area is confirmed by this method. It is also found that the climate regime is significantly changed at the end of the 20th century in both same area and World Ocean. The characteristic features of recent climate regime after 1996-1998 are SLP increase in the central extratropic area of Indian Ocean, North and South Pacific being prevailing in boreal winter. It is accompanying SLP increase and precipitation decrease in South Siberia and Mongolia prevailing in boreal summer. Inversed SLP and precipitation anomaly associated with increase of cyclone activity and extreme events in the land-ocean marginal zones including Southern Ocean, eastern Arctic, eastern Indian, western and eastern Pacific margins. It is known that low frequency PDO phase is also changed at the same time.
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Ponomarev, Vladimir, Vladimir Ponomarev, Elena Dmitrieva, Elena Dmitrieva, Svetlana Shkorba, Svetlana Shkorba, Irina Mashkina, Irina Mashkina, Alexander Karnaukhov, and Alexander Karnaukhov. "CLIMATIC REGIME CHANGE IN THE ASIAN PACIFIC REGION, INDIAN AND SOUTHERN OCEANS AT THE END OF THE 20TH CENTURY." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4316b52a9b.

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Multiple scale climate variability in Asia of temperate and high latitudes, Pacific, Indian and South Oceans, their features and linkages are studied by using statistical analyses of monthly mean time series of Hadley, Reynolds SST, surface net heat flux (Q), atmospheric pressure (SLP), air temperature (SAT) from NCEP NCAR reanalyses (1948-2015). Three multidecadal climatic regimes were revealed for the whole area studied by using cluster analyses via Principal Components of differences between values of Q, SLP, SAT in tropical and extratropical regions of the Asian Pacific, Indian and Southern Oceans. The climate regime change in 70s of the 20th century in this area is confirmed by this method. It is also found that the climate regime is significantly changed at the end of the 20th century in both same area and World Ocean. The characteristic features of recent climate regime after 1996-1998 are SLP increase in the central extratropic area of Indian Ocean, North and South Pacific being prevailing in boreal winter. It is accompanying SLP increase and precipitation decrease in South Siberia and Mongolia prevailing in boreal summer. Inversed SLP and precipitation anomaly associated with increase of cyclone activity and extreme events in the land-ocean marginal zones including Southern Ocean, eastern Arctic, eastern Indian, western and eastern Pacific margins. It is known that low frequency PDO phase is also changed at the same time.
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Heidarzadeh, Mohammad, Moharram D. Pirooz, Nasser H. Zaker, and Mohammad Mokhtari. "Modeling of Tsunami Propagation in the Vicinity of the Southern Coasts of Iran." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29082.

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The extensive death toll and sever economical damages brought by the 2004 Indian Ocean tsunami has emphasized the urgent need for assessing the hazard of tsunami in this ocean, and determining the most vulnerable coastlines to the impact of possible tsunami. In this paper the hazard of tsunami for southern coasts of Iran bordering the Indian Ocean is discussed. At first, historical data of tsunami occurrences on the Iranian southern coasts are collected, described and analyzed. Then, numerical simulation of potential tsunamis in the Makran subduction zone is performed and the tsunami wave height distribution along the Iranian coast is calculated. The Makran subduction zone is among two main tsunamigenic zones in the Indian Ocean. In this zone the Oman oceanic plate subducts beneath the Iranian Micro-plate at an estimated rate of about 19 mm/yr. Historically, there is the potential for tsunami generation in this region and several tsunamis attacked the Makran coastlines in the past. The most recent tsunami in this region has occurred on 28 November 1945 which took the lives of more than 4000 people in the coasts of Iran, Pakistan, India, and Oman. Here we examine the seafloor uplift of the Makran zone and its potential for generating destructive tsunamis in the southern coastlines of Iran. Several earthquake scenarios with moment magnitudes ranging between 6.5 and 8.5 are used as initial conditions for analysis. For scenario of an earthquake with magnitude of 8.0, propagation of tsunami waves on coastlines and wave time histories in selected reference locations are calculated.
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Shkorba, Svetlana, Svetlana Shkorba, Elena Dmitrieva, Elena Dmitrieva, Irina Mashkina, Irina Mashkina, Vladimir Ponomarev, and Vladimir Ponomarev. "CLIMATIC ANOMALIES IN FAR EASTERN MARGINAL SEAS, BAIKAL LAKE BASIN AND THEIR LINKAGES." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b939727b3b4.55522289.

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Winter climatic anomalies of various time scales in the Japan, Okhotsk seas and Baikal Lake Basin are revealed and compared with anomalies in the Pacific, Indian and Arctic oceans. Time series of ice extent in the Japan and Okhotsk seas, ice thickness and seasonal duration of the ice cover in the Baykal Lake, as well as Hadley SST, surface heat fluxes, wind velocity, atmospheric pressure fields (SLP) and different climatic indices are analyzed. The decadal climate anomalies in the Japan and Okhotsk seas in mid winter, as compared to the Northeast Pacific and South Siberia regions, could have a reversed phase. Alternating cold/warm decadal anomalies in different longitude zones of the North Asian Pacific are accompanied by alternating meridional wind and SLP anomalies at temperate latitudes. Alternating zones of inversed anomalies in temperate latitudes of the Asian Pacific are related to teleconnections with anomalies in both Arctic and Indo-Pacific oceans. Negative SSTA in eastern/central tropical-equatorial Pacific and positive SSTA in El Nino area accompanies rise of northern wind and ice extent in the Okhotsk/Japan Seas in mid-winter. The best predictors of the high cold anomaly in February in the western subarctic Pacific and marginal seas are reduction of the SST and net heat flux from the atmosphere to the ocean in north-eastern and central North Pacific during warm period of a previous year. At the multidecadal time scale the warming/cooling in the Northeast Pacific accompany winter warming/cooling in the Baykal Lake area during all period of observation. At interdecadal time scales the significant link of winter climate oscillations in South Siberia (Baikal Lake Basin) is found with SSTA oscillations in the equatorial region of the Indian Ocean and certain areas of the Pacific Ocean. The linkages of anomalies in the Baikal Lake Basin, Okhotsk, Japan Seas with regional anomalies in some key areas of the Pacific and Indian Oceans, related to the atmospheric centers of action are more stable than that with climatic indices. After climate regime shift in late 70s warm decadal anomaly in both Lake Baykal Basin and Indian Ocean in boreal winter accompany high positive anomaly of the Arctic Oscillation. Scenarios of extreme anomalies in the Baikal Lake Basin and Subarctic Pacific marginal area are also presented.
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Shkorba, Svetlana, Svetlana Shkorba, Elena Dmitrieva, Elena Dmitrieva, Irina Mashkina, Irina Mashkina, Vladimir Ponomarev, and Vladimir Ponomarev. "CLIMATIC ANOMALIES IN FAR EASTERN MARGINAL SEAS, BAIKAL LAKE BASIN AND THEIR LINKAGES." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4316b9d9e4.

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Winter climatic anomalies of various time scales in the Japan, Okhotsk seas and Baikal Lake Basin are revealed and compared with anomalies in the Pacific, Indian and Arctic oceans. Time series of ice extent in the Japan and Okhotsk seas, ice thickness and seasonal duration of the ice cover in the Baykal Lake, as well as Hadley SST, surface heat fluxes, wind velocity, atmospheric pressure fields (SLP) and different climatic indices are analyzed. The decadal climate anomalies in the Japan and Okhotsk seas in mid winter, as compared to the Northeast Pacific and South Siberia regions, could have a reversed phase. Alternating cold/warm decadal anomalies in different longitude zones of the North Asian Pacific are accompanied by alternating meridional wind and SLP anomalies at temperate latitudes. Alternating zones of inversed anomalies in temperate latitudes of the Asian Pacific are related to teleconnections with anomalies in both Arctic and Indo-Pacific oceans. Negative SSTA in eastern/central tropical-equatorial Pacific and positive SSTA in El Nino area accompanies rise of northern wind and ice extent in the Okhotsk/Japan Seas in mid-winter. The best predictors of the high cold anomaly in February in the western subarctic Pacific and marginal seas are reduction of the SST and net heat flux from the atmosphere to the ocean in north-eastern and central North Pacific during warm period of a previous year. At the multidecadal time scale the warming/cooling in the Northeast Pacific accompany winter warming/cooling in the Baykal Lake area during all period of observation. At interdecadal time scales the significant link of winter climate oscillations in South Siberia (Baikal Lake Basin) is found with SSTA oscillations in the equatorial region of the Indian Ocean and certain areas of the Pacific Ocean. The linkages of anomalies in the Baikal Lake Basin, Okhotsk, Japan Seas with regional anomalies in some key areas of the Pacific and Indian Oceans, related to the atmospheric centers of action are more stable than that with climatic indices. After climate regime shift in late 70s warm decadal anomaly in both Lake Baykal Basin and Indian Ocean in boreal winter accompany high positive anomaly of the Arctic Oscillation. Scenarios of extreme anomalies in the Baikal Lake Basin and Subarctic Pacific marginal area are also presented.
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7

Nagababu, Garlapati, Ravi Patel, Seemanth Moideenkunju, Abhinaya Srinivas Bhasuru, Surendra Singh Kachhwaha, V. V. Arun Kumar Surisetty, and Suchandra Aich Bhowmick. "Estimation of Technical Wave Energy Potential in Exclusive Economic Zone of India." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77279.

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Identification of the best location for wave farm installation, wave resource assessment needs to be carried out. In the present work, wave resource assessment along the Indian EEZ was carried out using the 17-year (2000 to 2016) output simulation of the third generation wave model WAVEWATCH-III (WWIII). Spatial distribution of significant wave height, mean wave energy period and annual mean of wave power is plotted. Further, the monthly and seasonal variation has been carried out to assess the effect on temporal variability at a specific location. The results show the annual mean wave power is in the range of 1–12 kW/m across the Indian EEZ. Further, it was observed that wave power along the western coast of India is more energetic than the eastern coast of India, with annual average wave power of 8–12 kW/m and 2–6 kW/m respectively. However, coastlines of Gujarat and Maharashtra experience the maximum seasonal and monthly variability across Indian EEZ, which is 2 and 3.5 respectively. By using different wave energy converters (WEC), the capacity factor and technical wave energy potential over the study area are estimated. Oceantec WEC shows maximum capacity factor (0.35) among the all selected wave energy converters. The results reveal that the electric wave power generation is 3 times more in the western coastal region as compared to the eastern coast of India.
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Mizuno, Keisuke, Yukio Masumoto, Hideaki Hase, Takanori Horii, Iwao Ueki, Yasuhisa Ishihara, Seiji Yamaguchi, and Takehiro Matsumoto. "Development of buoy array in the Eastern tropical Indian Ocean and observed variability." In OCEANS 2008 - MTS/IEEE Kobe Techno-Ocean. IEEE, 2008. http://dx.doi.org/10.1109/oceanskobe.2008.4531102.

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Masumoto, Y., Y. Masumoto, Y. Masumoto, Y. Masumoto, Y. Masumoto, Y. Masumoto, Y. Masumoto, et al. "Observing Systems in the Indian Ocean." In OceanObs'09: Sustained Ocean Observations and Information for Society. European Space Agency, 2010. http://dx.doi.org/10.5270/oceanobs09.cwp.60.

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Iskandar, I., W. Mardiansyah, D. Setiabudidaya, A. K. Affandi, and F. Syamsuddin. "Surface and subsurface oceanic variability observed in the eastern equatorial Indian Ocean during three consecutive Indian Ocean dipole events: 2006 - 2008." In 3RD INTERNATIONAL CONFERENCE ON THEORETICAL AND APPLIED PHYSICS 2013 (ICTAP 2013). AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4897101.

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Reports on the topic "Oceano Indiano"

1

Samaranayake, Nilanthi, Catherine Lea, and Dmitry Gorenburg. Improving U.S.-India HA/DR Coordination in the Indian Ocean. Fort Belvoir, VA: Defense Technical Information Center, July 2014. http://dx.doi.org/10.21236/ada608782.

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Sepanski, R. J. Indian Ocean radiocarbon: Data from the INDIGO 1, 2, and 3 cruises. Office of Scientific and Technical Information (OSTI), January 1991. http://dx.doi.org/10.2172/5896261.

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Rusina, Tamara. Map of Indian Ocean. Edited by Nikolay Komedchikov and Aleksandr Khropov. Entsiklopediya, January 2010. http://dx.doi.org/10.15356/dm2015-12-02-14.

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Regeon, Paul, and Wallace Harrison. Indian Ocean METOC Imager. Fort Belvoir, VA: Defense Technical Information Center, September 2002. http://dx.doi.org/10.21236/ada633970.

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Schmitz, William J., and Jr. On the World Ocean Circulation: Volume 2 The Pacific and Indian Oceans / A Global Update. Fort Belvoir, VA: Defense Technical Information Center, December 1996. http://dx.doi.org/10.21236/ada323804.

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Olson, Donald B. Theory and Observation of Ocean Fronts: Indian Ocean Drifters. Fort Belvoir, VA: Defense Technical Information Center, October 1995. http://dx.doi.org/10.21236/ada306623.

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Carter, Earl F., and Jr. Indian Ocean: Zone of Peace or Conflict? The Impact of India's Military Capability on Regional Stability. Fort Belvoir, VA: Defense Technical Information Center, May 1991. http://dx.doi.org/10.21236/ada240242.

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Sen Gupta, A. K. Strategic Importance of Indian Ocean Region. Fort Belvoir, VA: Defense Technical Information Center, March 1988. http://dx.doi.org/10.21236/ada192367.

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Samaranayake, Nilanthi, Satu Limaye, Dmitry Gorenburg, Catherine Lea, and Thomas A. Bowditch. U.S.-India Security Burden-Sharing? The Potential for Coordinated Capacity-Building in the Indian Ocean. Fort Belvoir, VA: Defense Technical Information Center, April 2013. http://dx.doi.org/10.21236/ada579174.

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Christopher Andrew Surman, Christopher Andrew Surman. Where is this vulnerable Indian Ocean seabird feeding? Using micro-GPS to track seabirds in the Indian Ocean. Experiment, June 2016. http://dx.doi.org/10.18258/7305.

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