Relevant bibliographies by topics / Tropical lakes

Academic literature on the topic 'Tropical lakes'

Author: Grafiati
Published: 10 December 2022
Last updated: 20 February 2023

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Journal articles on the topic "Tropical lakes"

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Ayyappan, S., J. Oláh, S. L. Raghavan, V. R. P. Sinha, and C. S. Purushothaman. "Macrophyte decomposition in two tropical lakes." Archiv für Hydrobiologie 106, no. 2 (March 24, 1986): 219–31. http://dx.doi.org/10.1127/archiv-hydrobiol/106/1986/219.

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Saunders, James F. "Tropical Lakes and Rivers." Ecology 68, no. 4 (August 1987): 1130–31. http://dx.doi.org/10.2307/1938395.

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Lewis, W. M. "Biogeochemistry of tropical lakes." SIL Proceedings, 1922-2010 30, no. 10 (April 2010): 1595–603. http://dx.doi.org/10.1080/03680770.2009.11902383.

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Criales-Hernández, María I., Diana M. Sanchez-Lobo, and Johanna K. Almeyda-Osorio. "Expanding the knowledge of plankton diversity of tropical lakes from the Northeast Colombian Andes." Revista de Biología Tropical 68, S2 (October 22, 2020): S159—S176. http://dx.doi.org/10.15517/rbt.v68is2.44347.

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Introduction: A large number of planktonic communities found in tropical lakes have not yet been recorded, limiting understanding of how these ecosystems function and of the role that organisms play within them. Objective: Add new records of previously described species and to contribute to the knowledge of the planktonic communities present in tropical mountain and lowland lakes of the northeast Colombian Andes. Methods: Planktonic samples were collected and physicochemical variables measured in nine tropical lakes. Organisms were identified and a bibliographic search was carried out in databases and research articles to the identification of the new records to Colombia. Results: We present the data corresponding to six physicochemical variables measured in tropical lakes of this region and expand the existing information on organisms present in tropical lakes with a list of 391 taxa (299 phytoplankton and 92 zooplankton). The proportion of planktonic species unique to tropical lakes and the low similarity between lake types found with a Jaccard analysis indicated high heterogeneity of ecological conditions in the studied lakes. Conclusions: The 391 taxa found and 15 new records contribute to the list of planktonic organisms present in tropical lakes located in high and low areas of the Colombian northeast Andes.
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Marotta, Humberto, Carlos M. Duarte, Sebastian Sobek, and Alex Enrich-Prast. "Large CO2disequilibria in tropical lakes." Global Biogeochemical Cycles 23, no. 4 (November 13, 2009): n/a. http://dx.doi.org/10.1029/2008gb003434.

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Cortés-Guzmán, Daniela, and Javier Alcocer. "Turnover Drives High Benthic Macroinvertebrates’ Beta Diversity in a Tropical Karstic Lake District." Diversity 14, no. 4 (March 30, 2022): 259. http://dx.doi.org/10.3390/d14040259.

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Beta diversity is useful to explain community assembly across landscapes with spatial variation. Its turnover and nestedness components help explain how beta diversity is structured across environmental and spatial gradients. Assessing beta diversity in freshwater ecosystems is essential to conservation, as it reveals the mechanisms that maintain regional diversity. Nonetheless, so far, no studies have examined the beta diversity patterns of benthic macroinvertebrates in tropical lakes. We aimed to examine the beta diversity patterns and components of the deep benthic macroinvertebrate communities of tropical Lakes of Montebello, Mexico, along spatial and environmental gradients. We used presence/absence data of deep benthic macroinvertebrates from 13 lakes distributed along environmental and spatial gradients. We calculated beta diversity indices and correlated them to each lake’s environmental and spatial variables. The macroinvertebrate communities of the Lakes of Montebello showed high beta diversity driven by a turnover pattern that emphasises the importance of regional-scale conservation efforts. Short distances between lakes and high environmental heterogeneity promoted species turnover, resulting in a great singularity level among lakes. We did not find significant correlations between the beta diversity components and the environmental variables, suggesting a random distribution given by the species’ high dispersal capacity in a reduced spatial extent across the lake district.
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Fernández, Rocío, Javier Alcocer, and Luis A. Oseguera. "Regional Pelagic Rotifer Biodiversity in a Tropical Karst Lake District." Diversity 12, no. 12 (November 28, 2020): 454. http://dx.doi.org/10.3390/d12120454.

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The species richness, composition, abundance, and biomass of pelagic rotifers were determined in 17 karst lakes of the “Lagunas de Montebello” National Park, Chiapas, Mexico. The species richness of the region (21 species) and single lakes (1–12 species) was smaller than that of other Mexican, tropical, and temperate lakes. It is worth noting the high dissimilarity in species composition—about half (52%) of the species were observed in only 1–3 lakes. A total of eight rotifer families, all from the Monogononta subclass, were recorded. Keratella americana was the species with the highest occurrence (13 lakes), followed by Ptygura sp. (8 lakes). The abundance (0 to 536 ind L−1) and biomass (0 to 21 µg L−1) of rotifers were low. The highest values of species richness, abundance, and biomass were found in eutrophic lakes, and the lowest in oligotrophic lakes. The low values of rotifer biodiversity, abundance, and biomass in the Montebello lakes are probably the product of the interaction of different factors—such as environmental homogeneity (all water bodies are karst lakes), the low availability of “good-quality” food, and predation by cyclopoid copepods in the eutrophic lakes, and the low availability of food, and competitive interference by calanoid copepods and cladocerans in the oligotrophic lakes.
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Reis, PCJ, and FAR Barbosa. "Diurnal sampling reveals significant variation in CO2 emission from a tropical productive lake." Brazilian Journal of Biology 74, no. 3 suppl 1 (August 2014): S113—S119. http://dx.doi.org/10.1590/1519-6984.01713.

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It is well accepted in the literature that lakes are generally net heterotrophic and supersaturated with CO2 because they receive allochthonous carbon inputs. However, autotrophy and CO2undersaturation may happen for at least part of the time, especially in productive lakes. Since diurnal scale is particularly important to tropical lakes dynamics, we evaluated diurnal changes in pCO2and CO2 flux across the air-water interface in a tropical productive lake in southeastern Brazil (Lake Carioca) over two consecutive days. Both pCO2 and CO2 flux were significantly different between day (9:00 to 17:00) and night (21:00 to 5:00) confirming the importance of this scale for CO2 dynamics in tropical lakes. Net heterotrophy and CO2 outgassing from the lake were registered only at night, while significant CO2 emission did not happen during the day. Dissolved oxygen concentration and temperature trends over the diurnal cycle indicated the dependence of CO2 dynamics on lake metabolism (respiration and photosynthesis). This study indicates the importance of considering the diurnal scale when examining CO2emissions from tropical lakes.
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Fukushima, Takehiko, Fajar Setiawan, Luki Subehi, Muh Fakhrudin, Endra Triwisesa, Aan Dianto, and Bunkei Matsushita. "Convection of waters in Lakes Maninjau and Singkarak, tropical oligomictic lakes." Limnology 23, no. 2 (November 26, 2021): 375–83. http://dx.doi.org/10.1007/s10201-021-00686-8.

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Carney, Heath J., Peter J. Richerson, and Pertti Eloranta. "Lake Titicaca (Peru/Bolivia) phytoplankton: Species composition and structural comparison with other tropical and temperate lakes." Archiv für Hydrobiologie 110, no. 3 (September 30, 1987): 365–85. http://dx.doi.org/10.1127/archiv-hydrobiol/110/1987/365.

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Dissertations / Theses on the topic "Tropical lakes"

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Hamaguchi, Satoshi, and Mitsuru Sakaizumi. "Species differentiation of fishes in tropical lakes : The Seventh MEDAKA Symposium." Laboratory of Freshwater Fish Stocks Bioscience Center Nagoya University, 1994. http://hdl.handle.net/2237/13794.

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Conroy, Jessica. "HISTORY AND DYNAMICS OF CLIMATE VARIABILITY IN THE ASIAN MONSOON REGION AND TROPICAL PACIFIC DURING THE LATE HOLOCENE." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/145432.

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Large-scale climate modes such as the El Niño/Southern Oscillation (ENSO), the Asian monsoon, and the Arctic Oscillation are responsible for much of the Earth’s climate variability. Despite the importance of these modes, we have limited understanding of how they vary on long (multidecadal to millennial) timescales due to the short length of instrumental climate records. Fortunately, climate information stored in natural archives can provide us with information on how these modes varied in the more distant past. Lake sediments are an ideal climate archive since they are continuous, have high temporal resolution, and contain many potential climate proxies. In the present study, I use lake sediment records to assess past climate and environmental changes associated with the El Niño/Southern Oscillation, the Asian monsoon, and the Arctic Oscillation. Exploring modern precipitation variability across the Asian monsoon region, I found that precipitation within this broad area is not coherent, which holds implications for paleorecords that are hypothesized to represent monsoon variability, including many lake sediment records on the Tibetan Plateau. Monsoon precipitation in the Arabian Sea is distinct from precipitation in India and China, and increased precipitation in the Arabian Sea coincides with decreased precipitation in the western North Pacific. Furthermore, only precipitation in southwestern Tibet responds to the Southwest monsoon, whereas precipitation in southeastern Tibet responds to the western North Pacific monsoon. In southwestern Tibet, I have reconstructed dust variability over the last millennium using the lake sediment record from Kiang Co. The sediment record shows a trend toward increasing dust over the 20th century, and our hypothesized dust proxy is positively correlated with the June-November Arctic Oscillation Index. A trend toward more positive Arctic Oscillation Index values as well as higher temperatures over the 20th century likely drove increased dustiness in southwestern Tibet, due the influence of temperature on glaciofluvial sediment availability in the Himalayas. Sediment trap, sediment core data, and modern measurements of local climate and lake water variables at Genovesa Crater Lake, Galápagos, indicate the lake and its sediments respond to local climate variability, with carbonate-rich sediments forming during prolonged dry periods (La Niña events), and organic-rich sediment forming during the warm season and El Niño events. The ratios of silica to calcium and strontium to calcium also reflect cool season SST. Thus, this lake sediment record has potential to provide a record of both seasonal and ENSO variability spanning the Holocene.
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Miranda, Marcela Aparecida Campos Neves. "Medidas de mitigação para controle e manejo das florações de cianobactérias em um sistema raso tropical." Universidade Federal de Juiz de Fora (UFJF), 2017. https://repositorio.ufjf.br/jspui/handle/ufjf/6500.

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Florações de cianobactérias são consequência principalmente da eutrofização de ambientes aquáticos que afeta a qualidade e compromete o uso da água para diversas finalidades. A restauração de sistemas aquáticos eutrofizados é um dos principais desafios da limnologia atual. Nosso objetivo foi identificar as principais causas do processo de eutrofização e ocorrência de florações de cianobactérias e testar a eficácia e aplicabilidade do uso combinado de coagulantes e adsorventes de P em fase sólida no controle da eutrofização e florações em um lago tropical raso. O estudo foi conduzido no lago do Museu Mariano Procópio, localizado em Juiz de Fora – MG e dividido em quatro fases. As duas primeiras fases compreendem uma análise sistêmica do lago. Na primeira, buscou-se conhecer a dinâmica da comunidade fitoplanctônica a fim de entender a dominância de cianobactéria deste sistema. Na segunda, foram avaliados os aportes de fósforo (P) para o sistema. Na terceira fase foram realizados experimentos em laboratório, para verificar a eficácia de diferentes coagulantes e lastros para remoção de cianobactérias. E na quarta fase foram realizados experimentos em mesocosmos no lago, para testar o controle da eutrofização e florações de cianobactérias. A análise sistêmica mostrou dominância de diferentes espécies de cianobactérias e que as altas concentrações de nutrientes presentes do sistema vêm principalmente de contribuição externa. O uso combinado de coagulantes e lastros foi eficiente para a remoção de biomassa de cianobactérias, porém foi dependente da espécie. Nos experimentos com mesocosmos, foi observada uma forte redução de Clorofila a (Chl a 85%) e fósforo total (TP 78%) (p <0,0010) em todos os tratamentos, porém estas reduções não se mantiveram ao longo do tempo. Para mitigar as florações de cianobactérias deste sistema, será necessário o controle das fontes externas de nutrientes e um ajuste na técnica de coagulante-lastro para manter a clorofila e o fósforo total em concentrações reduzidas por mais tempo.
Cyanobacterial Blooms are mainly a consequence of eutrophication of aquatic environments that affect the water quality and compromise the use of water for various purposes. The restoration of eutrophic aquatic systems is one of the main challenges of today's limnology. Our objective was to identify the main causes of the eutrophication process and the occurrence of cyanobacterial blooms in a shallow tropical lake, and to test the efficacy and applicability of the combined use of coagulants and adsorbents of P in solid phase for the control of eutrophication and cyanobacteria blooms in a tropical shallow system. The study was conducted in the lake of the Mariano Procópio Museum, located in Juiz de Fora - MG and divided into four phases. The first two phases comprised a systemic analysis of the lake. The first one sought to know the dynamics of the phytoplankton community and to understand the causes of the cyanobacteria dominance in this system. In the second one, the main contributions of phosphorus to the system and the general balance of P were evaluated. In the third phase, laboratory experiments were carried out to evaluate the efficacy of different coagulants and ballasts for the removal of cyanobacteria. Last, in the fourth phase experiments were carried out in mesocosmos in the lake to test the control of eutrophication and cyanobacterial blooms. The systemic analysis showed the dominance of different species of cyanobacteria and that the high concentrations of nutrients present in the system come mainly from external contribution. The combined use of coagulants and ballasts was efficient for the removal of cyanobacteria biomass, but it is dependent on the species pool. In the experiments with mesocosms, a strong reductions of chloropyll a (Chl a) 85% and total phosphorus (TP) 78% (p < 0.001) were observed in all treatments, however these reductions were not lasting. To mitigate the cyanobacterial blooms of this system, it will be necessary to control the external sources of nutrients and also an adjustment in the coagulant-ballast technique to keep Chl a l and TP in reduced concentrations for longer time.
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Rai, Ash Kumar. "Limnological Characteristics and Food Evaluation of Planktivorous Caged Fish Species in Sub-tropical Lakes Phewa, Begnas and Rupa of Pokhara Valley, Nepal." 京都大学 (Kyoto University), 2000. http://hdl.handle.net/2433/181462.

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Hales, Philip. "Inorganic geochemistry of tropical lake and swamp sediments." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357524.

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Kitaka, Nzula. "Phosphorus supply to a shallow tropical lake and its consequences, Lake Naivasha, Kenya." Thesis, University of Leicester, 2000. http://hdl.handle.net/2381/29813.

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The ecological stability of Lake Naivasha is unpredictable, as it lies in an endorrheic basin situated in an intensive agricultural region with diversified climatic conditions. The situation is getting worse as increase in agricultural activities and hence human population continues, consequently resulting in an increase in water demand and abstraction. An investigation in phosphorus dynamics, interactions and possible sources was carried out both in the inflowing waters and the lake. During the "El Nino" rains approximately 9 times more TP was transported into the lake from the catchment mainly in particulate form (PP). The river Malewa transported almost 30 times more total phosphorus (TP) than the other two rivers. Most of the TP input arose from the middle course of the river, mainly in PP form bound in suspended solids. Watering of the livestock in the river was found to elevate the concentration of TP, PP and total suspended solids (TSS), although its influence downstream depended on discharge, intensity and frequency of disturbance. The phosphorus lake loading to the lake varied significantly between the two hydrological phases encountered with 1.41 and 0.21 g m-2 yr-1 for the "extremely" wet and "normal" wet years respectively classifying the lake as eutrophic. However the overall quotient between the mean in-lake phosphorus (P) and the inflow phosphorus (Pi) concentration from the river Malewa portrayed an equilibrium state with an overall P/Pi ratio of 0.62. The Naivasha sediments are poorly sorted with inorganic phosphorus dominance. The lake sediment has low phosphorus buffering capacity as portrayed by a low phosphorus sorption index (PSI), indicating a phosphorus source rather than sink.
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Park, Lisa Ellyn. "Assessing diversification patterns in an ancient tropical lake: Gomphocythere (Ostracoda) in Lake Tanganyika." Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/187316.

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I examined the distribution of 70 morphological characters for 17 extant species of an ostracod genus, Gomphocythere, in Africa, to test hypotheses concerning character development and speciation patterns. Using heuristic searches conducted with the phylogenetic reconstruction program PAUP, I found 9 trees of 269 steps (CI = 0.45). The skewness of tree length distribution reveals significant phylogenetic structure in the data. Nodes are supported by 2 to 13 character state changes, and these character changes are sometimes reversed or paralleled elsewhere, accounting for much of the homoplasy in the reconstructions. The results suggest the presence of four new species (Gomphocythere coheni, G. downingi, G. wilsoni, G. woutersi). These species are relatively derived within the favored tree. Analyses were done to elucidate the effect of the exclusion of hard and soft part characters and the effects of differential fossil preservation on phylogenetic reconstruction. Eliminating the hard part characters caused the collapse of many branches as polytomies and decreased the agreement of the hard part trees. Excluding the soft part characters increased the number of most parsimonious trees, and decreased the resolution of the trees by creating many unresolved polytomies, but produced similar islands of stability as the complete analysis. I integrated phylogenetic and ecological data sets to examine ecological variables of substrate and depth range and their role in speciation of Gomphocythere in Lake Tanganyika. Using one-way MANOVAs on substrate distribution data, I found significant variability in the substrate distribution of (p =.001) seven species. In addition, principle components analysis and R-mode cluster analysis revealed close associations between certain species with respect to substrate ranges. Correlations exist between species and their ecological tolerances, indicating that environmental fluctuations could have had a profound effect on speciation. In addition, evidence for multiple invasions of Gomphocythere species exist from mapping endemism onto the phylogenetic tree. From this information, a model of speciation emerges in which there have been multiple invasions and subsequent radiations.
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Alin, Simone Rebecca. "Calibration and Interpretation of Holocene Paleoecological Records of Diversity from Lake Tanganyika, East Africa." Diss., The University of Arizona, 2001. http://hdl.handle.net/10150/231412.

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Lake Tanganyika is a complex, tropical ecosystem in East Africa, harboring an estimated 2,100 species. Extensive watershed deforestation threatens the biodiversity and ecological integrity of the lake. In this dissertation, ecological and paleoecological methods were employed to study the distribution of invertebrate biodiversity through space and time, with particular emphasis on linkages between biodiversity and land –use patterns. Ecological surveys of fish, mollusc, and ostracod crustacean diversity at sites in northern Lake Tanganyika representing different levels of watershed disturbance revealed a negative correlation between biodiversity and intensity of watershed disturbance. To elucidate the long -term relationship between disturbance and biodiversity, paleoecological records of invertebrates offshore from watersheds experiencing different degrees of anthropogenic disturbance were examined. Life, death, and fossil assemblages of ostracod valves were compared to assess the reliability and natural variability inherent to the paleoecological record. These comparisons indicated that paleoecological (i.e. death and fossil) assemblages reliably preserve information on species richness, abundance, and occurrence frequency at comparable -to- annual resolution. Unlike life assemblages, species composition of paleoecological assemblages reflects input of species from multiple habitat types. Ostracod paleoecological assemblages are characterized by spatiotemporal averaging that renders them representative of larger areas and longer time spans than life assemblages. Thus, paleoecological assemblages provide an efficient means of characterizing longer -term, site -average conditions. Natural variability in ostracod fossil assemblages from a sediment core representing the Late Glacial to the present indicates that abundance of individual ostracod species is highly variable. Ostracod assemblages were preserved in only the most recent 2,500 years of sediment. Species composition of ostracod assemblages reflects lake water depth. Core geochemical data indicate that the coring site may have been below the oxycline for ~2,000 years, inhibiting ostracod survival and preservation. Paleoecological, sedimentological, and stable isotope data revealed differences in biodiversity and watershed disturbance through time offshore from a pair of sites. The protected site is offshore from Gombe Stream National Park (Tanzania), the other offshore from a deforested watershed outside the park. Offshore from the deforested watershed, sedimentation rates increased, and turnover in ostracod species composition occurred during the past 50 years. Comparable changes were not observed offshore from the park.
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Du, Feu Timothy Avon. "Tropical reservoir fisheries : Lake Kainji, Nigeria: a case study." Thesis, University of Hull, 2003. http://hydra.hull.ac.uk/resources/hull:5505.

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Hubble, David S. "Controls on primary production in Lake Naivasha, a shallow tropical freshwater." Thesis, University of Leicester, 2000. http://hdl.handle.net/2381/29812.

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This study uses Lake Naivasha, Kenya as an example of a shallow tropical freshwater lake. In common with many tropical lakes it experiences fluctuating water-levels which influence its area and productivity, and is currently considered moderately eutrophic. The light regime experienced by phytoplankton in Lake Naivasha dominates other controls as it determines the potential level of primary production. Photoinhibition reduces productivity by 25% at the surface with maximum productivity at a depth of approximately 0.5m. Light attenuation reduces productivity by 50% at 1m depth with zero productivity at 5m depth. Self-shading causes a 17% loss of productivity under conditions of below average productivity, but a 46% loss when productivity is above average. Hydrological factors form a primary control as the mixing regime determines the light regime. Lake Naivasha is generally well mixed, but where temporary stratification occurs there is nutrient resupply due to sediment anoxia. Without mixing, there is a 75% loss of productivity by cell sedimentation. Low sinking rates, tropical conditions and high nutrient availability favour low Surface Area:Volume species such as Aulacoseira which is the dominant genus. Changing conditions such as increased water-column stability could favour cyanobacteria. Bottom-up controls were the most important in Lake Naivasha, reducing potential productivity by 50%. Nitrogen was found to be more limiting than phosphorus with an algal preference for ammonium over nitrate. Minor nutrients were not limiting. The main source of allochthonous nutrients was from river inflow with underflow and circulations around the lake. Top-down control by grazing imposes a 15% reduction in productivity with zooplankton preferring large 'production' cells over small 'standing-stock' cells.
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Books on the topic "Tropical lakes"

1

The ecology of tropical lakes and rivers. Chichester [West Sussex]: Wiley, 1986.

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International Workshop on Restoration and Management of Eutrophic Lakes (2001 Kunming Shi, China). Restoration and management of tropical eutrophic lakes. Edited by Reddy M. V. Enfield, NH: Science Publishers, 2005.

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J, Lemoalle, ed. Ecological dynamics of tropical inland waters. Cambridge: Cambridge University Press, 1998.

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Westgate, James W. After the dinosaurs: A Texas tropical paradise recovered at Lake Casa Blanca. Austin, Tex: Texas Parks and Wildlife Press, 1999.

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Sharma, U. P. Ecology, conservation, and management of Kawar Lake: A major tropical wetland of South East Asia. Bhagalpur: U.P. Sharma, 1995.

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M, Harper David, ed. Lake Naivasha, Kenya: Papers submitted by participants at the conference "Science and the Sustainable Management of Shallow Tropical Waters" held at Kenya Wildlife Services Training Institute, Naivasha, Kenya, 11-16 April 1999, together with those from additional studies on the lake. Dordrecht: Kluwer Academic Publishers, 2003.

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Beattie, Keith. Establishing a scientific basis for reconstructing the tropic status of a lake using blue-green algal pigments in the lake sediment cores. [S.l: The Author], 1996.

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Gosline, G., ed. Flora of West Tropical Africa: All Territories in West Africa South of Latitude 18° N. and to the West of Lake Chad, and Fernando Po. London, UK: Royal Botanic Gardens Kew, 2014.

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Vincent, Warwick F. Lakes: A Very Short Introduction. Oxford University Press, 2018. http://dx.doi.org/10.1093/actrade/9780198766735.001.0001.

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From the mysterious depths of Lake Vostok, Antarctica, to tropical floodplain lakes, inland seas, hydro-reservoirs, and numerous waterbodies in our local environment, lakes encompass a huge diversity of shapes, sizes, depths, colours, and even salinities. Lakes are important, unique ecosystems, providing us with drinking water and food. Lakes: A Very Short Introduction introduces lake science (‘limnology’), discussing the importance of sustaining these complex ecosystems; and the impact on lake biodiversity of features such as climate, seasons, salinity, and sedimentation. It traces the origins of lake science from François Forel’s seminal work on Lake Geneva to modern approaches, such as environmental sensors, satellite observations, stable isotope analysis, and DNA-based technologies.
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Payne, A. I. The Ecology of Tropical Lakes and Rivers. John Wiley and Sons Ltd, 1991.

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Book chapters on the topic "Tropical lakes"

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Oliva, Ma Guadalupe, Alfonso Lugo, Javier Alcocer, Laura Peralta, and Ma del Rosario Sánchez. "Phytoplankton dynamics in a deep, tropical, hyposaline lake." In Saline Lakes, 299–306. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-017-2934-5_27.

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Njuguna, Stephen G. "Nutrient-phytoplankton relationships in a tropical meromictic soda lake." In Saline Lakes, 15–28. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3095-7_2.

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Cantrel, M. A. "Effect of lake level fluctuations on the habitats of benthic invertebrates in a shallow tropical lake." In Saline Lakes, 125–31. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-3095-7_8.

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Fairbridge, Rhodes W., Lennart Jönsson, Lars Håkanson, W. Rodney White, Matjaz Mikos, Reginald W. Herschy, Felipe García-Rodríguez, et al. "Stratification and Mixing in Tropical African Lakes." In Encyclopedia of Lakes and Reservoirs, 737–43. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-1-4020-4410-6_262.

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von Sperling, Eduardo. "The process of biomass formation as the key point in the restoration of tropical eutrophic lakes." In Shallow Lakes ’95, 351–54. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5648-6_36.

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Katsev, Sergei, Piet Verburg, Marc Llirós, Elizabeth C. Minor, Brittany R. Kruger, and Jiying Li. "Tropical Meromictic Lakes: Specifics of Meromixis and Case Studies of Lakes Tanganyika, Malawi, and Matano." In Ecology of Meromictic Lakes, 277–323. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49143-1_10.

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Williamson, David. "Air-Ground Interface: Sediment Tracers in Tropical Lakes." In Frontiers in Earth Sciences, 209–12. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-24982-3_18.

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Kalff, J., and Watson. "Phytoplankton and its dynamics in two tropical lakes: a tropical and temperate zone comparison." In Seasonality of Freshwater Phytoplankton, 161–76. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4818-1_11.

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Princy, J. R., M. Ramesh, J. Jyothi, P. S. Swathy Krishna, and L. Sheela Nair. "Non-monsoonal Coastal Erosion Due to the Tropical Cyclone (OCKHI) and Its Impacts Along Thiruvananthapuram Coast, Southwest Coast of India – A Geospatial Approach." In Coasts, Estuaries and Lakes, 471–86. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21644-2_29.

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Nukapothula, Sravanthi, Ali P. Yunus, and Chuqun Chen. "Total Suspended Matter Variability in Response to Tropical Cyclone Titli Along Coastal Waters of Southeast India Using Satellite Observations: Implications to Climate Change." In Coasts, Estuaries and Lakes, 317–27. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21644-2_19.

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Conference papers on the topic "Tropical lakes"

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FERRER AMORIM, LAIS, JOSÉ RODOLFO SCARATI MARTINS, FÁBIO FERREIRA NOGUEIRA(, and FÁBIO PAIVA DA SILVA. "MEASURE AND MODELING VERTICAL MIXING IN TROPICAL STRATIFIED LAKES." In 38th IAHR World Congress. The International Association for Hydro-Environment Engineering and Research (IAHR), 2019. http://dx.doi.org/10.3850/38wc092019-1675.

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Chen, Chih-Hung, and Chun-Ya Chuang. "Urban form in special geographical conditions: a case study in Kenting National Park." In 24th ISUF 2017 - City and Territory in the Globalization Age. Valencia: Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/isuf2017.2017.6186.

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Urban form in special geographical conditions: a case study in Kenting National Park. Chih-Hung Chen¹, Chun-Ya Chuang¹ ¹Department of Urban Planning, National Cheng Kung University E-mail: chihhungchen@mail.ncku.edu.tw Keywords: Kenting National Park, special geographical conditions, Historico-Geographical approach, morphotope Conference topics and scale: City transformations Since the land surface is heterogeneous, the natural landscape as an essential element in contemporary morphological studies becomes the initial factor in the formation of a settlement. Moreover, the interaction with natural landscape, built form and the boundary matrix can illuminate ecological perspective on the form of the city. (Scheer, 2016) To understand the urban form under special geographical conditions, a case study is conducted in Kenting National Park, which is a tropical area with rich landscape such as moutains, lakes and rivers, plains, basins, and surrounded by seas. An analytical approach based on Historico-Geographical approach (Kropf, 2009; Oliveira, 2016) is applied in this paper. After identifying the scope of 42 settlements, there are three outer shape types such as compact, scattered, linear. Then, three kinds of morphotopes (Conzen, 1988) can mainly be figured out by comparing the combination between streets, buildings and plots: i) Detached, duplex houses on small plots along the access road; ii) Attached buildings on small plots along the main road; iii) Villas or hotels on large plots along the main road. Finally, the relationship between the larger plan units (Conzen, 1960) and the geographical conditions shows that the homogeneous configuration of plan units corresponds to the certain landscape. On the other hand, this article seeks to find out the impacts and changes caused by special geographical conditions in consequence of the landscape affects not only the formation of urban form but the evolution because its influence on socio-economic conditions. References Conzen, M. R. G. (1960) Alnwick, Northumberland: A study in Town-plan Analysis (Institute of British Geographers, London). Conzen, M.R.G. (1988) ‘Morphogenesis, morphological regions, and secular human agency in the historic townscape, as exemplified by Ludlow’, in Urban Historical Geography. Recent progress in Britain and Germany, 253-272. Kropf, K. (2009) ‘Aspects of urban form’, Urban morphology 13(2), 105-20. Oliveira, V. (2016) Urban Morphology (Springer International Publishing, Switzerland), 102-111. Scheer, B. C. (2016) ‘The epistemology of urban morphology’, Urban Morphology 20, 5-17.
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Narro Perez, Rodrigo A., Carolyn H. Eyles, and Luzmila Davila Roller. "SEDIMENTATION IN A TROPICAL SUPRAGLACIAL LAKE, CORDILLERA BLANCA, PERÚ." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-322599.

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Werne, Josef P., Troy Ferland, Isla S. Castaneda, Andrew Cohen, Tim K. Lowenstein, Daniel Deocampo, Robin W. Renaut, and R. Bernhart Owen. "ASSESSING MOLECULAR ISOTOPIC PROXIES FOR PALEOENVIRONMENTAL RECONSTRUCTION IN A SALINE TROPICAL LAKE: LAKE MAGADI, KENYA." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-323421.

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Stansell, Nathan D., Byron A. Steinman, Matthew S. Lachniet, William Harvey, Jacob Feller, Stephen Perdziola, and Peter Mortensen. "LAKE SEDIMENT RECORDS OF HOLOCENE HYDROCLIMATE VARIABILITY ACROSS THE NORTHERN TROPICAL AMERICAS." In GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-299496.

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Ting, Yang, Li Guang Sheng, Li Zeng Fen, Peng Yue, and Hu Jian. "Study on Effects of Environment Conditions on Essential Service Water System of Nuclear Power Station." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66189.

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For nuclear power stations, the main function of Essential Service Water System (ESWS) is to discharge the waste heat from reactor core and spent fuel pool to the environment controllably, which is directly related to the safety and economy of nuclear power stations. Usually ESWS use open water from sea, rivers, lakes, reservoirs, as heat transfer medium. Extremely harsh environmental conditions may disable system functions and even lead to ESWS failure, directly reduce the safety and economy of nuclear power stations, and cause serious nuclear accidents. Failure of ESWS is one of the main reasons that lead to the Fukushima nuclear accident because of the loss of electricity after the earthquake and tsunami. Based on the typical ESWS configuration and conditions of serving nuclear power stations in China, the influence of environmental conditions on the function of water system is studied, and the corresponding measures are analyzed. These conditions can be divided into three categories: temperatures, water levels, and physical and chemical characteristics. Temperatures affect cooling characteristic of ESWS mainly. Nuclear power stations in tropical areas need to focus on cooling capacity might be reduced by high temperature. Those in cold region need attention to excessive cooling and freezing problems caused by low temperature. The influence of water levels is mainly fluid transport capacity and selection of equipment to ESWS. When the range of natural water level is too wide, designers shall consider measures to narrow it, such as the construction of highly reliable reservoir. Inland nuclear power stations shall try to ensure the reliability of ESWS; prevent water level changes beyond the scope of design caused by drought and flood disasters. The effects of physical and chemical properties are derived from the open water characteristics, including high salinity, high chloride ion concentration, carrying solid particles, suspended solids, and aquatics, and so on. These characteristics will cause the equipment and pipeline eroded or even damaged, aqueducts of intake and output jammed, heat exchangers of the final heat sink weakened and other negative effects, resulting in ESWS performance decline. Some of these factors are the characteristics of station site natural environment, some others are changes caused by human activities. Some factors are sustained, long-term; some others may be sudden, temporary. Influence on these factors need to be taken measures from many aspects, including structure, biological disinfection, special materials and equipment, environmental protection measures around the nuclear power station, and so on. On the whole, the environmental factors that affect ESWS in the nuclear power stations are wide, and the influence mechanism is more complex. These factors ultimately act on ESWS, but most of them cannot be banished inside of ESWS or the final heat sink system. Against the negative effects from environmental conditions, it has to be considered from all steps in the engineering of nuclear power stations, including design, construction and operation. All the measures shall be suitable to local conditions, in order to ensure the safety and economy of nuclear power stations.
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Shetty, Devdas, Rakshith Kotian, Steevan Loyd Sequeira, Pavithra N. R., Umesh Pruthviraj, and K. V. Gangadharan. "An Economical Approach Towards Bathymetric Mapping of Shallow Water Basins Using Unmanned Surface Vessel." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-97015.

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Abstract In recent years, the use of unmanned vehicles has advanced because of a growing number of civil applications such as firefighting or non-military security work, such as surveillance of pipelines etc. The application of these technologies with decreased cost and size has received attention in both civil and military applications. Recent advances in sensors, modeling and simulation and availability of open-source software and hardware for data integration has created an environment of remotely monitoring that was not possible a few years ago. This paper examines a niche cost-effective, portable Unmanned Surface Vessel that has been designed to capture the bathymetric profile of shallow water basins using single beam echosounder. Bathymetry is the measurement of the depth of water in oceans, rivers, or lakes. Bathymetric maps look a lot like topographic maps, which use lines to show the shape and elevation of land features. Today, echo sounders are used to make bathymetric measurements. Global shallow water bathymetry maps offer critical information to inform activities such as scientific research, environment protection, and marine transportation. Accurate mapping of shallow bathymetry is critical for understanding and characterizing coastal environments providing a foundation for measuring underwater light density, mapping and monitoring and planning marine operations and transportation. Methods for estimating shallow water bathymetry have suffered from a variety of trade-offs and limitations. Conventional methods such as shipborne sounding or airborne LiDAR have limited spatial coverage. The unit described in this paper has been designed and has been trained to acquire data in a predefined set path, minimizing the human intervention and the associated errors. A successful trial run was done for mapping the bed profile of the river basin in India. The vessel has been upskilled for capturing sonar data sets, with water quality parameters and soil samples using an automated auger. The vessel functions using the combined various open-source software and hardware tools for data assimilation, while the captured data sets are real-time transferred using IOT to Ground Controlled Station. The tropical river basin chosen is a part of Netravati River located in Dakshina Kannada District, Karnataka, India. This area is a part of the monsoon belt, and the Netravati riverbed is subjected to heavy sand deposition during a part of the year. The data on the excessive sand deposition is of immense value to the district and state administration. This study has been carried out at a frequency of 30 days and is provided as an input during non-monsoon period for district administration for outlining removal of excessive sand deposition monitoring of water quality in the estuarine ecosystem. The work done is a one-of-a-kind pilot study developed in-house using the recent advances seen in the world of open-source platforms. This paper demonstrates a unique application that is of value to the state administration in decision making and in addition contributes to environmental monitoring of the riverbed.
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Narro Perez, Rodrigo A., Rebecca E. Lee, John C. Maclachlan, and Carolyn H. Eyles. "SEDIMENTOLOGY AND GEOMORPHOLOGY OF LLACA LAKE IN THE CORDILLERA BLANCA, PERÚ – INVESTIGATION OF A TROPICAL SUPRAGLACIAL LAKE LANDSYSTEM." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-338599.

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Maulana, Fadhlurrahman, Wisnu Wardhana, Nasruddin, and Nining Betawati Prihantini. "The potency of microalgal biomass from agathis small lake, Universitas Indonesia as biofuel source: Study of dry season wild mix-culture." In THE 5TH INTERNATIONAL TROPICAL RENEWABLE ENERGY CONFERENCE (THE 5TH iTREC). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0064316.

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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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Reports on the topic "Tropical lakes"

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Abbott, M. B. ,. LLNL. Holocene Paleohydrology of the tropical andes from lake records. Office of Scientific and Technical Information (OSTI), March 1997. http://dx.doi.org/10.2172/672729.

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