Academic literature on the topic 'Semiarid rivers'
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Journal articles on the topic "Semiarid rivers"
Strauch, Ayron M. "Seasonal variability in faecal bacteria of semiarid rivers in the Serengeti National Park, Tanzania." Marine and Freshwater Research 62, no. 10 (2011): 1191. http://dx.doi.org/10.1071/mf11075.
Full textWang, J., Y. S. Pei, K. J. Zhang, G. Gao, and Z. F. Yang. "Investigating the spatial–temporal variation of nitrogen cycling in an urban river in the North China Plain." Water Science and Technology 63, no. 11 (June 1, 2011): 2553–59. http://dx.doi.org/10.2166/wst.2011.537.
Full textOliveira, Regina Célia de, Anádria Stéphanie da Silva, André Rodolfo de Oliveira Ribeiro, José Erivaldo de Araújo, Odaci Fernandes de Oliveira, and Ramiro Gustavo Valera Camacho. "List of angiosperm species of the riparian vegetation of the Apodi-Mossoró River, Rio Grande do Norte, Brazil." Check List 9, no. 4 (August 1, 2013): 740. http://dx.doi.org/10.15560/9.4.740.
Full textMillares, A., M. J. Polo, A. Moñino, J. Herrero, and M. A. Losada. "Bedload dynamics and associated snowmelt influence in mountainous and semiarid alluvial rivers." Geomorphology 206 (February 2014): 330–42. http://dx.doi.org/10.1016/j.geomorph.2013.09.038.
Full textDong, Mingjia, Mingxiao Liu, Lina Yin, Jinjie Zhou, and Dongpo Sun. "Concept and Practices Involved in Comprehensive River Control Based on the Synergy among Flood Control, Ecological Restoration, and Urban Development: A Case Study on a Valley Reach of Luanhe River in a Semiarid Region in North China." Water 14, no. 9 (April 28, 2022): 1413. http://dx.doi.org/10.3390/w14091413.
Full textSanz-Ronda, Bravo-Córdoba, Sánchez-Pérez, García-Vega, Valbuena-Castro, Fernandes-Celestino, Torralva, and Oliva-Paterna. "Passage Performance of Technical Pool-Type Fishways for Potamodromous Cyprinids: Novel Experiences in Semiarid Environments." Water 11, no. 11 (November 11, 2019): 2362. http://dx.doi.org/10.3390/w11112362.
Full textWarrick, Jonathan A., and John D. Milliman. "Hyperpycnal sediment discharge from semiarid southern California rivers: Implications for coastal sediment budgets." Geology 31, no. 9 (2003): 781. http://dx.doi.org/10.1130/g19671.1.
Full textSt-Onge, Denis A., and Frans Gullentops. "Morphodynamics of Cold High Latitude Semiarid Regions: The Example of Ellef Ringnes Island, Nunavut*." Géographie physique et Quaternaire 59, no. 2-3 (April 4, 2007): 103–11. http://dx.doi.org/10.7202/014749ar.
Full textJia, Xiaopeng, and Haibing Wang. "Element Geochemical Analysis of the Contribution of Aeolian Sand to Suspended Sediment in Desert Stream Flash Floods." Scientific World Journal 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/620610.
Full textZellman, Kristine L., Piret Plink-Björklund, and Henry C. Fricke. "Testing hypotheses on signatures of precipitation variability in the river and floodplain deposits of the Paleogene San Juan Basin, New Mexico, U.S.A." Journal of Sedimentary Research 90, no. 12 (February 18, 2021): 1770–801. http://dx.doi.org/10.2110/jsr.2020.75.
Full textDissertations / Theses on the topic "Semiarid rivers"
Carini, Giovannella, and n/a. "Effects of Contemporary and Historical Processes on Population Genetic Structure of Two Freshwater Species in Dryland River Systems (Western Queensland, Australia)." Griffith University. Australian School of Environmental Studies, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050113.081250.
Full textCarini, Giovannella. "Effects of Contemporary and Historical Processes on Population Genetic Structure of Two Freshwater Species in Dryland River Systems (Western Queensland, Australia)." Thesis, Griffith University, 2004. http://hdl.handle.net/10072/367070.
Full textThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
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Sarma, Diganta. "Assessment of sustainable groundwater utilization with case studies from semi-arid Namibia." University of the Western Cape, 2016. http://hdl.handle.net/11394/5649.
Full textThe thesis addresses sustainability of groundwater utilization in arid and semiarid regions of Namibia. Recharge in this hydrogeological setting occurs as discrete events to aquifers that are bounded in extent. Case studies involving fractured hardrock and alluvial aquifers with aquifer-ephemeral river interaction were considered. The nature of recharge to arid region bounded aquifers was explored. In arid region aquifers, roundwater storage is depleted during extended dry periods due to pumping and natural discharge. Steady state conditions are rarely achieved. With lowering of the water table, evapotranspiration is reduced thus decreasing aquifer discharge. However, depletion of ephemeral river flow is the primary source of water to boreholes. Physical constraints such as river bed and aquifer hydraulic properties set a limit to the degree of natural replenishment possible during flow events. An approach to assessing sustainable yield of a fractured rock aquifer associated with ephemeral river flow is discussed using a case study from rural semi-arid Namibia. Limited data required the simulation results to be verified against geological and hydrogeological constraints. The aquifer’s gain in storage is estimated through numerical simulation. It provides a basis for groundwater scheme management that rely on limited data in semi-arid conditions in sub-Saharan Africa. Aspects related to ephemeral river flow and groundwater recharge to strip alluvial aquifers was addressed in the second case study. The processes controlling infiltration, significance of surface water and groundwater losses, and possible artificial recharge options were investigated through numerical simulation. It was concluded that recharge processes in arid alluvial aquifers differ significantly from those in humid systems. Conjunctive use of surface and groundwater resources require artificial augmentation of aquifer recharge due to constrains in natural infiltration rates. The study provides a reference for sustainable management of alluvial aquifer systems in similar regions. It is seen from the study that high rates of groundwater exploitation deplete surface water resources needed downstream while failure to capture surface flow during flood events cause loss of potential recharge. It is concluded that as water demand in Namibia increases, basin wide combined surface water and groundwater resource evaluation and management have become a necessity.
Bunting, Daniel Paul. "Riparian Restoration and Management of Arid and Semiarid Watersheds." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/228166.
Full textFontenele, SÃvio de Brito. "Water exchanges between river and aquifer in two different lithologies of Brazilian Semiarid." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15973.
Full textThe interaction between surface water and groundwater is a dynamic process in time and space influenced by factors such as soil moisture, hydrodynamic properties, geomorphology, storage and runoff. The quantification and modeling of the processes related to this dynamic constitute prerequisites for the effective water resources management, given that this interaction affects water availability, especially in semi-arid regions. Before this problem, this study aimed to simulate hydrological processes flow transmission between river and groundwater in basins characterized by distinct lithologies, inserted in the Brazilian semiarid region by generating a semi distributed and flexible hydrological model. Two distinct basins of Cearà semiarid region were monitored and used for application of the model developed. A watershed located in sedimentary structure with large underground water reserves (SÃo Jose watershed in the sedimentary basin of Araripe - South of CearÃ) and the other one inserted into the crystalline environment and characterized by water scarcity (Patos-CariÃs-Iguatu subbasin - Jaguaribe river stretch in the Central-South region of CearÃ). The monitoring of these areas between 2010 and 2014 enabled the generation of data and the choice of 10 events from each watershed monitored to evaluate the dynamic river-aquifer. In the evaluation of the data obtained by the monitoring observed aquifer recharges when large volumes precipitates occur in short periods of time. The high temporal spacing difficult the generation of large flows and the rising water levels of the alluvial aquifer. The proposed model was developed considering the three main processes of river-aquifer interaction: full wave propagation, vertical infiltration and groundwater flow. The simulations of the events showed that conductance of the riverbed and effective porosity are the most sensitive parameters of the model. Variations of these parameters allowed the reduction of flood peaks and consequently increases in the aquifer hydraulic loads. However, the simulations showed an underestimation of the hydraulic loads of the aquifer. For the surface discharges were obtained low efficiency ratios (-16.73 to -3.43) for short-term events and small magnitude. Already for long term events and high magnitude, the Nash and Sutcliffe efficiency coefficient performed between 0 and 1 (0.35 to 0.49), indicating a good behavior of the models used. However, for these events the average absolute error between the measured and the simulated loads remained high. The model needs to be adjusted to better define the dynamics of the river-aquifer interaction. A greater number of simulations in both watersheds, with the available events could indicate better where adjustments must be made. The possibility of application of MIRAS model in different lithological means and different spatial scales of semi-arid regions was not possible due to the inability to simulate the model for MHSJ. Thus, one must understands the failure to formulate an alternative and possibly improve the model. Because the use of this tool is the best option for resolving problems and decision making.
A interaÃÃo entre Ãgua superficial e subterrÃnea à um processo dinÃmico no tempo e no espaÃo influenciado por fatores como umidade do solo, propriedades hidrodinÃmicas, geomorfologia, armazenamento e escoamento superficial. A quantificaÃÃo e a modelagem dos processos relacionados a essa dinÃmica constituem-se prÃ-requisitos para a gestÃo eficiente de bacias hidrogrÃficas, haja vista que essa interaÃÃo afeta a disponibilidade hÃdrica, principalmente em regiÃes semiÃridas. Diante dessa problemÃtica, este estudo objetivou simular processos hidrolÃgicos de transmissÃo de fluxo entre rio e aquÃfero em bacias hidrogrÃficas caracterizadas por litologias distintas, inseridas na regiÃo semiÃrida brasileira, atravÃs da geraÃÃo de um modelo hidrolÃgico semidistribuÃdo e flexÃvel. Duas bacias hidrogrÃficas distintas da regiÃo semiÃrida cearense foram monitoradas e utilizadas para aplicaÃÃo do modelo desenvolvido. Uma microbacia localizada em meio sedimentar com grandes reservas hÃdricas subterrÃneas (microbacia hidrogrÃfica do SÃo Josà na bacia sedimentar do Araripe â Sul do CearÃ) e a outra inserida no meio cristalino e caracterizada por escassez hÃdrica (bacia hidrogrÃfica Patos-CariÃs-Iguatu â trecho do rio Jaguaribe na regiÃo Centro-Sul do CearÃ). O monitoramento dessas Ãreas entre 2010 e 2014 possibilitou a geraÃÃo de dados e a escolha de 10 eventos de cada bacia monitorada para avaliaÃÃo da dinÃmica rio-aquÃfero. Na avaliaÃÃo dos dados obtidos pelo monitoramento observou-se recargas aquÃferas quando grandes volumes precipitados ocorrem em curtos espaÃos de tempo. O elevado espaÃamento temporal dificultaram a geraÃÃo de grandes vazÃes e a elevaÃÃo dos nÃveis freÃticos do aquÃfero aluvionar. O modelo proposto foi elaborado considerando os trÃs principais processos da interaÃÃo rio-aquÃfero: propagaÃÃo de onda de cheia, infiltraÃÃo vertical e fluxo subterrÃneo. As simulaÃÃes dos eventos mostraram que condutÃncia do leito do rio e porosidade efetiva sÃo os parÃmetros mais sensÃveis do modelo. VariaÃÃes desses parÃmetros possibilitaram a reduÃÃo dos picos de cheia e consequentemente acrÃscimos nas cargas hidrÃulicas aquÃferas. No entanto, as simulaÃÃes realizadas apresentaram subestimativas das cargas hidrÃulicas do aquÃfero. Para as descargas superficiais obteve-se baixos coeficientes de eficiÃncia (-16,73 a -3,43) para eventos de curta duraÃÃo e pequena magnitude. Jà para eventos de longa duraÃÃo e elevada magnitude, o coeficiente de eficiÃncia de Nash e Sutcliffe apresentou-se entre 0 e 1 (0,35 a 0,49), indicando um bom comportamento dos modelos utilizados. No entanto, para esses eventos o erro mÃdio absoluto entre as cargas medidas e as simuladas continuaram elevados. O modelo precisa de ajustes para definir melhor a dinÃmica da interaÃÃo rio-aquÃfero. Um nÃmero maior de simulaÃÃes nas duas bacias hidrogrÃficas, com os eventos disponÃveis poderia indicar melhor onde devem ser feitos os ajustes. A possibilidade de aplicaÃÃo do modelo MIRAS em diferentes meios litolÃgicos e escalas espaciais distintas de regiÃes semiÃridas nÃo fora possÃvel devido à impossibilidade de simular o modelo para a MHSJ. Dessa forma, precisa-se entender as falhas para formular uma alternativa e, possivelmente, melhorar o modelo. Pois, o uso dessa ferramenta à a melhor opÃÃo para a resoluÃÃo de problemas e tomada de decisÃo.
Morino, Kiyomi. "Using False Rings to Reconstruct Local Drought Severity Patterns on a Semiarid River." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194123.
Full textSantiago, Cristiane Maria Cordeiro. "Environmental analysis of basin SÃo Nicolau river(semiarid PiauÃ) from physical diagnosis conservacionista - PDC." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13201.
Full textThe basin SÃo Nicolau river is located in north Piauà and crosses the territory in EW flowing to Sambito tributary of the Poti. Encompasses five municipalities of the state covering an area of 5.389.8 km2 and has been intensely busy with many uses generating sometimes degradational effects. The area has great importance about maintenance of water resources in this region besides forming ruiniform landscapes in semiarid area. Given the above, the objective was to make the environmental analysis the basin area especially considering the use of this water resource, and verify which state conservationist she presents and how enables the development of wide variety of activities. For this, we used the Physical Conservation Diagnosis (FCD), proceeding to the literature survey and mapping, geoprocessing and analysis of the parameters that make up the end of the DFC descriptive formula such as: Vegetation Cover Index (VCI), in two periods, Climate Index (CI) Rainfall erosivity (R), soil erodibility (K), Average Slope (DM) and drainage density (DD). The diagnostic result was expressed in the descriptive formula which showed the level of degradation/ preservation in the bowl is located. It is observed that there was a decreased risk of physical degradation in sectors A and B in the time interval between 1989 and 2010, in contrast, there was increased risk in C sector, which presented index of 10,54 in 1989 and 10,92 in 2010. However, the basin that showed the highest rate of degradation was the C sector. The lifting of fÃsicoambientais characteristics together with the results of the analysis of the forms of use and cover the basin contributed to the understanding of the results achieved. Thus, it is observed that the levels of degradation of the basin does not have quite pronounced, even because they have been reduced over the years, however it was not what happened in sector C which had major changes in terms of investments, infrastructure and activities at the same time interval. With this, it is necessary to conduct proper planning throughout the basin, especially in the C sector where the level of degradation was considerably increased in recent years. The shift in the use of resources and application of measures of active management on a larger scale would allow more appropriate management and development facing the sustainability of the region.
A Bacia HidrogrÃfica do rio SÃo Nicolau està localizada no Norte do Piauà e cruza o territÃrio no sentido E-W atà desaguar no rio Sambito afluente do Poti. Engloba cinco municÃpios do Estado perfazendo uma Ãrea de 5.389,8 km2 e vem sendo intensamente ocupada com os mais diversos usos gerando, por vezes, efeitos degradacionais. A Ãrea possui grande importÃncia no que tange a manutenÃÃo dos recursos hÃdricos nessa regiÃo alÃm de formar paisagens ruiniformes no domÃnio semiÃrido. Diante do exposto, objetivou-se realizar a anÃlise ambiental na bacia considerando principalmente a Ãrea de aproveitamento desse recurso hÃdrico, verificando o estado conservacionista que ela apresenta e de que maneira possibilita o desenvolvimento de grande variedade de atividades. Para tanto, utilizou-se da metodologia do Diagnostico FÃsico Conservacionista (DFC) procedendo com o levantamento bibliogrÃfico e cartogrÃfico, tÃcnicas de geoprocessamento e anÃlise dos parÃmetros que compÃem a fÃrmula descritiva final do DFC tais como: Ãndice de Cobertura Vegetal (ICV), em dois perÃodos, Ãndice ClimÃtico (IC), Erosividade da Chuva (R), Erodibilidade dos Solos (K), Declividade MÃdia (DM) e Densidade de Drenagem (DD). O resultado do diagnÃstico foi expresso na fÃrmula descritiva a qual mostrou o nÃvel de degradaÃÃo/conservaÃÃo em que se encontra a bacia. Observa-se que houve uma diminuiÃÃo do risco de degradaÃÃo fÃsica nos setores A e B no intervalo de tempo analisado entre 1989 e 2010, em contrapartida, houve aumento do risco no setor C, o qual apresentou Ãndice de 10,54 em 1989 e de 10,92 em 2010. Contudo, a regiÃo da bacia que apresentou o maior Ãndice de degradaÃÃo foi o setor A. O levantamento das caracterÃsticas ambientais juntamente com os resultados da anÃlise das formas de uso e cobertura da bacia contribuÃram para a compreensÃo dos resultados alcanÃados. Assim, observa-se que os nÃveis de degradaÃÃo da bacia nÃo se apresentam bastante acentuados, inclusive pelo fato de terem sofrido uma diminuiÃÃo com o passar dos anos, contudo nÃo foi o que ocorreu no setor C o qual teve maiores modificaÃÃes em termos de investimentos, atividades e infraestrutura no mesmo intervalo de tempo. Com isso, se faz necessÃrio a realizaÃÃo do adequado planejamento em toda a bacia, de modo especial, no setor C onde apresentou aumento do nÃvel de degradaÃÃo nos Ãltimos anos. A reorientaÃÃo na utilizaÃÃo dos recursos e aplicaÃÃo de medidas de gestÃo atuantes numa escala maior possibilitaria um manejo mais apropriado e um desenvolvimento voltado a sustentabilidade da regiÃo.
Filho, Antonio Alves de Oliveira. "Quality modeling of Poti River water." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13435.
Full textThe disorderly growth of the capital of PiauÃ, marked mainly by housing occupancy on the banks of river Poti and the existence of clandestine connections of raw sewage in rainwater drainage pipes, has contributed significantly to the pollution of the waters of the river basin of the ParnaÃba River (semiarid region Brazil). This research consists of making water quality measuring campaigns in Poti river and sewage released that, via gallery rainwater, focusing on a river stretch of 36.8 km long, located in the city of Teresina / PI, as well as mathematical modeling of water quality of the river based on WHAT-UFMG platform. The research is presented as the first study involving modeling of water quality in a water body of the state of PiauÃ. Modeled components were: dissolved oxygen (DO), biochemical oxygen demand (BOD) and thermotolerant coliform (TC). The results of field measurements indicated TC parameter discontinuities with respect to CONAMA Resolution n 357/2005. The calibration of the decay coefficients for each parameter resulting in deviations between measured and modeled data of up to 20%, which shows that the QUALUFMG can be used as a basis for predicting the quality of water in rivers located in semiarid regions. The calibrated model was also compared to field data from the literature. Finally, simulations were performed for different flow scenarios (Q10, Q90 and Q7,10), with consistent results and that can be used for the management of water resources in the state of PiauÃ.
O crescimento desordenado da capital piauiense, marcado sobretudo pela ocupaÃÃo habitacional Ãs margens do rio Poti e pela existÃncia de ligaÃÃes clandestinas de esgoto bruto nas tubulaÃÃes de drenagem pluvial, tem contribuÃdo significativamente para a poluiÃÃo das Ãguas da bacia hidrogrÃfica do rio ParnaÃba (regiÃo semiÃrida do Brasil). A presente pesquisa consiste na realizaÃÃo de campanhas de mediÃÃo da qualidade da Ãgua no rio Poti e dos esgotos lanÃados no mesmo, via galeria de Ãguas pluviais, com foco em um trecho do rio de 36,8 km de extensÃo, localizado na cidade de Teresina/PI, bem como na modelagem matemÃtica da qualidade da Ãgua deste rio com base na plataforma QUAL-UFMG. A pesquisa apresenta-se como o primeiro estudo envolvendo modelagem da qualidade da Ãgua em um corpo hÃdrico do estado do PiauÃ. Os componentes modelados foram: oxigÃnio dissolvido (OD), demanda bioquÃmica de oxigÃnio (DBO) e coliformes termotolerantes (CT). Os resultados das mediÃÃes de campo indicaram desconformidades do parÃmetro CT com relaÃÃo à ResoluÃÃo CONAMA n 357/2005. A calibraÃÃo dos coeficientes de decaimento para cada parÃmetro resultou em desvios entre dados medidos e modelados de atà 20%, o que mostra que o QUAL-UFMG pode ser utilizado como base para prediÃÃo da qualidade da Ãgua em rios localizados em regiÃes semiÃridas. O modelo calibrado tambÃm foi comparado a dados de campo obtidos na literatura. Finalmente, foram realizadas simulaÃÃes para diferentes cenÃrios de vazÃo (Q10, Q90 e Q7,10), apresentando resultados coerentes e que podem ser utilizados para a gestÃo dos recursos hÃdricos do estado do PiauÃ.
Bjørgum, Claudia Pastor Almeida Soares. "Droughts, Morality, State Politics and the Brazilian Semiarid Landscape: A Study of the São Francisco River Integration Project." Thesis, Norwegian University of Science and Technology, Department of Geography, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-2271.
Full textThe poorest region of Brazil, the Northeast is prone to devastating multi-annual droughts, an inherent part of its geography. The Brazilian state attributes the poverty of the Northeast to the semiarid landscape and a supposed water deficit. The state defends a water diversion project on the biggest river of the region that is rejected by the local population and civil society organizations, as a definitive solution for the water deficit of a section of the semiarid landscape. Based on a large volume of secondary data, primary data collected through open interviews with key informant and participant observation in sections of the semiarid landscape in the state of Ceará, this thesis argues that the problem of the Northeast is not water deficit. Some of the poorest areas of Brazil, in both Northeast and North regions, are abundant in water resources. Droughts have been used as an excuse to intervene in the landscape while drought oriented policies have for a long time divided and sub-divided the region, contributing to the alienation of other structural problems. Poverty and inequality are the most serious problems of the Northeast, inside and outside the limits of the semiarid landscape, just like in the other four regions of Brazil. The São Francisco river integration project (SFIP) reproduces the drought combat discourse and hide the economical intentions of the project. Surrounded by contradictions and certain disregard for Brazil’s Constitution the governmental project benefits from the alienation of the other regions of the Northeastern reality and of the indifference of the National Congress to the conflict. The SFIP analyzed as an example of the historical relationship of interdependence between the central government and the local elite.
Pitombeira, Sheila Cavalcante. "Basin as a parameter for territorial planning in the semiarid region of the institutional environment: The basin of Jaguaribe river, CearÃ, Brasil." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14781.
Full textThis research highlights the advisability of adopting the Basin as a parameter for territorial planning in the semiarid region, in face of the vicissitudes of climate and regional interest to promote environmental development. It demonstrates the importance of the state since its emergence in modernity and highlights the institutionalization of power since then, contributing to the improvement of the institutional environment throughout its territory. The core idea developed is that the state is endowed with power, being responsible for disciplining of subjects of interest to the community, amongst them water or water resources, it is required to pay attention to regional differences existing Âin its territory, in particular the semiarid, and to promote government actions benefiting everyone equally without distinction. The methodology used was through a literature review of the legal framework devoted to the structure of water and / or water resources and watersheds, comparing that information with historical records around the approach to public policies carried out during periods of drought and with socioeconomic criteria guiding public policy or government policies in these geographic areas. ÂThe informations of the territories citizenship of CearÃ, as to notice the various conceptual dimensions of these geographic areas, watershed territory and citizenship. Finally, the analysis of how the dimensions of the territory of citizenship can (inter) relate to the watershed territorial unit , giving them affinities, similarities and differences aiming to a comparative study of their equivalences in promoting sustainable development, according to indexes from the Brazilian Institute of Geography and Statistics. From this comparison chart, it is possible to show that the basin should be the unit for implementation of territorial planning in the semiarid.
O trabalho pÃe em evidÃncia a conveniÃncia de adotar a Bacia HidrogrÃfica como parÃmetro de planejamento territorial na regiÃo semiÃrida, ante as vicissitudes climÃticas e o interesse regional de promover o desenvolvimento socioambiental. Demonstra a importÃncia do Estado desde seu surgimento na modernidade e realÃa a institucionalizaÃÃo do Poder a partir de entÃo, contribuindo para o aperfeiÃoamento desse ambiente institucional em todo o seu territÃrio. A ideia central desenvolvida à que sendo o Estado dotado de Poder, competindo-lhe o disciplinamento dos assuntos de interesse da coletividade, dentre eles a Ãgua ou recursos hÃdricos, compete-lhe atentar para as diferenÃas regionais existentes em seu territÃrio, em particular o semiÃrido, promovendo aÃÃes governamentais que beneficiem a todos indistintamente. A metodologia utilizada se deu por meio de levantamento bibliogrÃfico sobre o Estado e o ambiente institucional brasileiro, bem como do arcabouÃo jurÃdico devotado ao regime das Ãguas ou recursos hÃdricos e bacias hidrogrÃficas, confrontando essas informaÃÃes com os registros histÃricos em torno da abordagem das polÃticas pÃblicas realizadas nos perÃodos de estiagens e com os critÃrios socioeconÃmicos orientadores dessas polÃticas ou das polÃticas de governo nesses espaÃos geogrÃficos. Tais registros demonstram que, no CearÃ, cujo territÃrio à abrangido pelo semiÃrido em quase totalidade, onde a Ãgua possui significativo valor econÃmico e social, como se observa com o Rio Jaguaribe, e seu percurso permite verificar algumas dimensÃes conceituais desses espaÃos geogrÃficos, dentre eles a territorialidade, a bacia hidrogrÃfica à ignorada como parÃmetro territorial para seu desenvolvimento socioambiental. De sorte que, sendo o Estado do Cearà localizado no semiÃrido e sazonalmente exposto Ãs estiagens, a bacia hidrogrÃfica deveria ser a unidade territorial preponderante para implementaÃÃo do planejamento territorial, conciliando o desiderato legal de ser a unidade territorial para a polÃtica de recursos hÃdricos e inter-relacionando com outras unidades administrativas
Books on the topic "Semiarid rivers"
Ferrick, M. G. The winter low-flow balance of the semiarid White River, Nebraska and South Dakota. [Hanover, N.H]: US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1995.
Find full textFerrick, M. G. The winter low-flow balance of the semiarid White River, Nebraska and South Dakota. [Hanover, N.H]: US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1995.
Find full textFerrick, M. G. The winter low-flow balance of the semiarid White River, Nebraska and South Dakota. [Hanover, N.H]: US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1995.
Find full textBook chapters on the topic "Semiarid rivers"
Marco, Juan B. "The Segura River Basin Model. Disaggregation in a Semiarid Environment." In Stochastic Hydrology and its Use in Water Resources Systems Simulation and Optimization, 413–23. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1697-8_25.
Full textAcuña, V. "Flow regime alteration effects on the organic C dynamics in semiarid stream ecosystems." In Global Change and River Ecosystems—Implications for Structure, Function and Ecosystem Services, 233–42. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-94-007-0608-8_16.
Full textKarienye, David, and Joseph Macharia. "Adaptive Capacity to Mitigate Climate Variability and Food Insecurity of Rural Communities Along River Tana Basin, Kenya." In African Handbook of Climate Change Adaptation, 49–60. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_57.
Full textChen, Jian, Yan Li, Wendy Zhou, Chong Xu, Saier Wu, and Wen Yue. "AHP-Based Susceptibility Assessment on Debris Flows in Semiarid Mountainous Region: A Case of Benzilan-Changbo Segment in the Upper Jinsha River, China." In Communications in Computer and Information Science, 495–509. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0893-2_51.
Full text"The Ecology and Management of Wood in World Rivers." In The Ecology and Management of Wood in World Rivers, edited by MICHAEL M. POLLOCK, MORGAN HEIM, and DANIELLE WERNER. American Fisheries Society, 2003. http://dx.doi.org/10.47886/9781888569568.ch11.
Full text"Multispecies and Watershed Approaches to Freshwater Fish Conservation." In Multispecies and Watershed Approaches to Freshwater Fish Conservation, edited by Sarah Robertson, Brad D. Wolaver, Todd G. Caldwell, Timothy W. Birdsong, Ryan Smith, Thomas Hardy, Julie Lewey, and Joe Joplin. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874578.ch13.
Full textArriagada, Joselyn, María-Victoria Soto, and Pablo Sarricolea. "Morphodynamic Environment in a Semiarid Mouth River Complex Choapa River, Chile." In Advanced Geoscience Remote Sensing. InTech, 2014. http://dx.doi.org/10.5772/57410.
Full textUnganai, Leonard S. "Monitoring Agricultural Drought in Southern Africa." In Monitoring and Predicting Agricultural Drought. Oxford University Press, 2005. http://dx.doi.org/10.1093/oso/9780195162349.003.0030.
Full textBermúdez, M., A. Millares, A. Lira-Loarca, and A. Baquerizo. "Towards sustainable sediment management strategies in Mediterranean reservoirs: Insights from the Guadalfeo semiarid river basin." In River Flow 2020, 2294–99. CRC Press, 2020. http://dx.doi.org/10.1201/b22619-319.
Full textMollenhauer, Robert, Shannon K. Brewer, Desiree Moore, Dusty Swedberg, and Maeghen Wedgeworth. "A Hierarchical Approach to Fish Conservation in Semiarid Landscapes: A Need to Understand Multiscale Environmental Relationships." In River Basin Management - Under a Changing Climate [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.105602.
Full textConference papers on the topic "Semiarid rivers"
Castillo, L., M. Marín, and J. Carrillo. "Hydrological and hydraulic characterization in semiarid regions: Comparison of sediment transport formulae." In The International Conference On Fluvial Hydraulics (River Flow 2016). Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315644479-161.
Full textGil Samaniego Ramos, Margarita, Héctor Enrique Campbell Ramírez, and Juan Carlos Tapia Olivas. "Water Supply Sustainability Indicators for the Southern California-Baja California Area." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64540.
Full textGil Samaniego Ramos, Margarita, and He´ctor Enrique Campbell Rami´rez. "Energy and Emissions Assessment in Pumping Water Distribution Systems: Case Study—Colorado River–Tijuana Aqueduct." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63278.
Full textXiuqin Fang, Liliang Ren, Qiongfang Li, and Fei Yuan. "Hydrological responses of a semiarid catchment to land use change in North China: case study the Laohahe River Basin." In 2007 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2007. http://dx.doi.org/10.1109/igarss.2007.4423595.
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