Tesis sobre el tema "Water resources"
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Martinez, Vila y Martin Alvaro. "Integrated water resources management: restoration of water quality in water resources from developing countries". Thesis, Сумський державний університет, 2013. http://essuir.sumdu.edu.ua/handle/123456789/31626.
Texto completoMendonÃa, Luiz Alberto Ribeiro. "Water resources of Araripe". Universidade Federal do CearÃ, 2001. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15908.
Texto completoCom a finalidade de entender o funcionamento dos aqÃÃferos da Chapada do Araripe, quantificar suas reservas e avaliar a vulnerabilidade à poluiÃÃo, foram aplicados, na ausÃncia de dados hidrogeolÃgicos e hidrolÃgicos sistematizados, mÃtodos de hidrogeologia, hidroquÃmica, hidrologia isotÃpica, edafologia, ecologia e modelagem numÃrica. Os resultados sÃo interpretados sinoticamente. Foram feitos (i) a avaliaÃÃo da geologia, (ii) a interpretaÃÃo de medidas quÃmica e isotÃpica (O-18, C-13, H-3 e C-14) das Ãguas, (iii) o estudo da matÃria orgÃnica dos solos (importante agente na recarga) utilizando os isÃtopos N-15 e C-13, (iv) o cÃlculo da capacidade de infiltraÃÃo, em solos de diferentes formaÃÃes florestais, utilizando o modelo de GREEN e AMPT, (v) a simulaÃÃo do fluxo subterrÃneo utilizando os modelos computacionais MODFLOW e MODPATH e (vi) a obtenÃÃo dos Ãndices de vulnerabilidade à poluiÃÃo utilizando o mÃtodo de FOSTER e HIRATA. Verificou-se, desta maneira, a intima interrelaÃÃo entre hidrologia, climatologia e ecologia da chapada. Na porÃÃo leste, Ãrea de floresta e de pluviosidade elevada, as Ãguas do Sistema AqÃÃfero Superior sÃo jovens (tempo de residÃncia de ≈ 180 anos e δ 18O≈ -3,24 â) derivadas de chuvas atuais (δ 18O ≈ -3,2 â), enquanto na porÃÃo oeste, mais seca e com vegetaÃÃo rala, encontra-se paleo-Ãguas (pmC ≈ 25,5, ≈10.932 anos) marcadas ainda pelo clima pleistocÃnico mais frio (δ 18O ≈ -5 â). Na primeira Ãrea, a recarga à avaliada em ≈ 4 % da precipitaÃÃo anual; porem, as anÃlises de solos indicam uma reduÃÃo da capacidade de infiltraÃÃo para somente 20 % em Ãreas desmatadas, ilustrando a forte influÃncia de mudanÃas da cobertura vegetal sobre o balanÃo hÃdrico (e a vazÃo das fontes) da chapada. A reserva permanente do Sistema AqÃÃfero Superior, calculada pelo MODFLOW, à de 13 * 109 m3/ano, a reserva reguladora de 21,4 * 106 m3/ano e a infiltraÃÃo profunda atravÃs de fraturas no aquiclude Santana de 3 * 105 m3/ano. A porÃÃo leste, à de moderada vulnerabilidade à poluiÃÃo, com exceÃÃo da falha de Jardim que à de alta vulnerabilidade. A porÃÃo oeste apresenta-se de baixa vulnerabilidade, com exceÃÃo da falha nas proximidades dos poÃos SerrolÃndia I e II que à de moderada vulnerabilidade. Os barreiros estÃo em estado sanitÃrio muito ruim e constituem a entrada principal de poluiÃÃo para a Ãgua subterrÃnea
The objectives of this research were to understand the aquifers of the Araripe Plateau, quantify their resources, and assess their vulnerability to pollution. In order to address the lack of hydrologic and hydrogeologic data, methods from various areas were employed (hydrogeology, hydrochemistry, isotope hydrology, soil science, ecology and numerical modeling). Results are interpreted in a synoptic way. We performed (i) geologic analysis, (ii) chemical and isotopic analyses (O-18, C-13, H-3 and C-14) of water samples, (iii) studied organic material in soils (important to recharge) using N-15 and C-13, (iv) determined the capacity of infiltration for soils with different vegetation using the GREEN and AMPT model, (v) performed MODFLOW and MODPATH simulations of groundwater flow, and (vi) vulnerability study (FOSTER and HIRATA). In this fashion, an intimate relationship between hydrology, climate and ecology was verified for the Araripe Plateau. In the eastern section, with forests and elevated rainfall, waters of the Upper Aquifer System are young (residence time ≈ 180 years) and are derived from present day rainfall, whereas in the western section, with low rainfall and sparse vegetation, paleo-waters (pmC ≈ 25,5, ≈10.932 years) are found, identified by its colder pleistocenic climate (δ 18O ≈ -5 â). In the first area, recharge is estimated to be ≈ 4 % of annual rainfall. However, for areas of deforestation, soil analyses indicate a reduction in the infiltration capacity to only 20 %, illustrating the strong influence of changes in vegetation on the water balance (and the discharge of springs) of the Plateau. MODFLOW simulations calculate for the Upper Aquifer System permanent reserves of 13*109 m3/year, regulating reserves of 21,4*106 m3/year, and a deep percolation, through fractures in the aquiclude Santana, to the Cariri Valley of 3*105 m3/year. With respect to vulnerability, the eastern section is moderate, with exception of the fault of Jardim which is highly vulnerable. The western section of the Araripe Plateau presents low vulnerability, but increasing to moderate in the area of the wells Serrolandia I and II. The ponds (âbarreirosâ) of the Plateau are of very poor sanitary condition and represent critical spots for aquifer pollution
Heinke, Jens. "Water Resources in the Anthropocene". Doctoral thesis, Humboldt-Universität zu Berlin, 2021. http://dx.doi.org/10.18452/22497.
Texto completoThe hydrological cycle provides humanity with water resources that are essential for its well-being. The aim of this thesis is to advance the understanding of climate-related changes in the hydrological cycle, how they will affect the availability of water resources in the future, and what opportunities exist to reduce anthropogenic water use to lower the pressure on water resources. This thesis demonstrates that climate change is a large threat to freshwater supply for future populations. Limiting the increase in global mean temperature to 2 K or even 1.5 K above pre-industrial levels can mitigate most of the severe negative impacts on water resources. However, some regions such as the Mediterranean would still ‘more likely than not’ be affected by severe hydrological change, and in large parts of the world, negative impacts on water availability could not be ruled out due to the large uncertainties in the projections. On the demand side, the focus is on water use in the livestock sector. This thesis estimates that about 4666 km3/yr (44 % of total agricultural water use) are currently used for feed production for the livestock sector. Large improvements in livestock water productivity can be achieved for pigs and poultry by improvements in feed production and livestock rearing alike. For ruminants, the largest potential lies in improving livestock management. However, improving the feed use efficiency of ruminants through increased supplementation with forage crops comes at the cost of increased water requirements to produce the feed. This limits the potential for improving livestock water productivity in ruminant production.
RUGGIU, DARIO. "Hydrological changes on water resources". Doctoral thesis, Università degli Studi di Cagliari, 2021. http://hdl.handle.net/11584/309578.
Texto completoCarter, Richard C. "Water resources and water management in north east Nigeria". Thesis, Cranfield University, 1995. http://dspace.lib.cranfield.ac.uk/handle/1826/11117.
Texto completoCarter, R. "Water resources and water management in North East Nigeria". Thesis, Cranfield University, 1995. http://dspace.lib.cranfield.ac.uk/handle/1826/11117.
Texto completoGelt, Joe y Marv Waterstone. "Water Resources Research Center Serves the Arizona Water Community". Arizona-Nevada Academy of Science, 1988. http://hdl.handle.net/10150/296416.
Texto completoJoorabchi, Amirhassan. "Intelligent Predictive Models for Water resources Engineering". Thesis, Griffith University, 2009. http://hdl.handle.net/10072/367450.
Texto completoThesis (Masters)
Master of Philosophy (MPhil)
Griffith School of Engineering
Science, Environment, Engineering and Technology
Full Text
Schwarz, Mark Andrew. "Integrating Water Resources Into Land Use Planning: Connecting Local Land use Decisions and Water Resource Impacts". Thesis, The University of Arizona, 2007. http://hdl.handle.net/10150/190410.
Texto completoDefenbaugh, Angela Lynn. "Evaluating Ohio River Basin Waters: A Water Quality and Water Resources Internship with the Ohio River Valley Water Sanitation Commission". Miami University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=miami1389295851.
Texto completoGhasdian, Negar. "ABC terpolymers : micelles, polymersomes and stabilisation of water in water emulsions". Thesis, University of Hull, 2013. http://hydra.hull.ac.uk/resources/hull:8621.
Texto completoTomkins, Claire Danielle. "Allocation and pricing of water resources /". May be available electronically:, 2008. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.
Texto completoYarde, Richard Roy 1969. "State capacity for water resources planning". Thesis, The University of Arizona, 1997. http://hdl.handle.net/10150/291640.
Texto completoFERRUCCI, AURELIO. "INNOVATIVE STRATEGIES TO OPTIMIZE WATER RESOURCES". Doctoral thesis, Università degli studi di Genova, 2019. http://hdl.handle.net/11567/942304.
Texto completoSimataa, Faith Auguste. "From water resources management to integrated water resources management : an analysis of the establishment of new water management organisations in Namibia". Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_9897_1308566898.
Texto completoThe questions posed in this study address the different processes that were involved in the decision-making and establishment of the water management organisations, the extent of public participation, as well as features of evident governance in implementing the policies. A critical analysis of the role of stakeholders and the various influences they may have in water management will also be examined. The methodology follows a historical study approach. A thorough document review will be done of the policies and related materials around BMCs, where events will be constructed from the findings. Interviews will be conducted for verification purposes, to verify the desktop findings and to assimilate any conflicts of opinion that might have not been documented.
Vega, Isaac Manuel Ferrera y Isaac Manuel Ferrera Vega. "Making Water Policy in Developing Countries: Water Resources in Tegucigalpa". Thesis, The University of Arizona, 2004. http://hdl.handle.net/10150/626795.
Texto completoJIA, Xuexiu. "EXTENDED METHODOLOGY FOR WATER RESOURCES AND WATER-RELATED ENERGY ASSESSMENT ADDRESSING WATER QUALITY". Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-433451.
Texto completoHale, Angela. "Community management of water resources in the southern region, Adelaide /". Title page, table of contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09ENV/09envh161.pdf.
Texto completoClinch, John Richard. "Remote spectrophotometric water quality monitoring". Thesis, University of Hull, 1988. http://hydra.hull.ac.uk/resources/hull:5897.
Texto completoWinder, Philip Newton. "An acoustic water tank disdrometer". Thesis, University of Hull, 2010. http://hydra.hull.ac.uk/resources/hull:3469.
Texto completoTopaloglu, Ece. "Privatization Of Water Utilities From And Integrated Water Resources Management Perspective". Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609172/index.pdf.
Texto completowhile on the one hand the water markets have contributed to a more efficient allocation of water resources from less efficient to more efficient uses, on the other hand, problems related to environmental degradation in the former case and the social inequity in the latter have been unable to be solved.
Ali, Syed Mahtab. "Climate change and water management impacts on land and water resources". Thesis, Curtin University, 2007. http://hdl.handle.net/20.500.11937/202.
Texto completoAli, Syed Mahtab. "Climate change and water management impacts on land and water resources". Curtin University of Technology, Faculty of Engineering and Computing, Dept. of Civil Engineering, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=18688.
Texto completoOne and 2 metre deep drains lowered the water table up to 0.9 and 1.8 metres in winter for the wet climate when there was no irrigation application. One metre deep drains proved effective in controlling water table during wet and average climate without application of irrigation water. One metre deep drains were more effective in controlling waterlogging a in wet, average and dry years when the irrigation application rate was 10 ML/ha-annum. With 16 ML/ha-annum irrigation application, 1 metre deep drains did not perform as efficiently as 2 metre deep drains in controlling the water table and waterlogging. In the dry climate scenario, without irrigation application, 1 metre deep drains were not required as there was not enough flux from rainfall and irrigation to raise the water table and create waterlogging risks. Two metre deep drains lowered the water table to greater depths in the wet, average and dry climate scenarios respectively when no irrigation was applied. They managed water table better in wet and average climate with 10 and 16 ML/ha-annum irrigation application rate. Again in the dry climate, without irrigation application 2 metre deep drains were not required as there was a minimal risk of waterlogging. The recharge to the groundwater table in the no drainage case was far greater than for the 1 and 2 metre deep drainage scenarios. The recharge was higher in case of 1 metre deep drains than 2 metre deep drains in wet and average climate during winter season.
There was no recharge to ground water with 1 and 2 metre deep drains under the dry climate scenarios and summer season without irrigation application as there was not enough water to move from the ground surface to the unsaturated and saturated zones. When 10 ML/ha-annum irrigation rate was applied during wet, average and dry climate respectively, 1 metre deep drains proved enough drainage to manage the recharge into the groundwater table with a dry climate. For the wet and average climate scenarios, given a 10 ML/ha-annum irrigation application rate, 2 metre deep drains managed recharge better than 1 metre deep drains. Two metres deep drains with a 10 ML/ha-annum irrigation application rate led to excessive drainage of water from the saturated zone in the dry climate scenario. Two metres deep drains managed recharge better with a 16 ML/ha-annum irrigation application rate in the wet and average climate scenarios than the 1 metre deep drains. Two metres deep drains again led to excessive drainage of water from the saturated zone in dry climate. In brief, 1 metre deep drains performed efficiently in the wet and average climate scenarios with and without a 10 ML/ha-annum irrigation application rate. One metre deep drains are not required for the dry climate scenario. Two metre deep drains performed efficiently in the wet and average climate scenarios with 16 ML/ha-annum irrigation application rate. Two metre deep drains are not required for the dry climate scenario.
Wang, Lizhong. "Cooperative Water Resources Allocation among Competing Users". Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/867.
Texto completoThe first phase of the CWAM methodology includes three methods for deriving initial water rights allocation among competing water uses, namely the priority-based multiperiod maximal network flow (PMMNF) programming, modified riparian water rights allocation (MRWRA) and lexicographic minimax water shortage ratios (LMWSR) methods. PMMNF is a very flexible approach and is applicable under prior, riparian and public water rights systems with priorities determined by different criteria. MRWRA is essentially a special form of PMMNF adapted for allocation under the riparian regime. LMWSR is designed for application under a public water rights system, which adopts the lexicographic minimax fairness concept. The second step comprises three sub-models: the irrigation water planning model (IWPM) is a model for deriving benefit functions of irrigation water; the hydrologic-economic river basin model (HERBM) is the core component of the coalition analysis, which searches for the values of various coalitions of stakeholders and corresponding optimal water allocation schemes, based on initial water rights, monthly net benefit functions of demand sites and the ownership of water uses; the sub-model cooperative reallocation game (CRG) of the net benefit of the grand coalition adopts cooperative game solution concepts, including the nucleolus, weak nucleolus, proportional nucleolus, normalized nucleolus and Shapley value, to perform equitable reallocation of the net benefits of stakeholders participating in the grand coalition. The economically efficient use of water under the grand coalition is achieved through water transfers based on initial water rights.
Sequential and iterative solution algorithms utilizing the primal simplex method are developed to solve the linear PMMNF and LMWSR problems, respectively, which only include linear water quantity constraints. Algorithms for nonlinear PMMNF and LMWSR problems adopt a two-stage approach, which allow nonlinear reservoir area- and elevation-storage relations, and may include nonlinear water quality constraints. In the first stage, the corresponding linear problems, excluding nonlinear constraints, are solved by a sequential or iterative algorithm. The global optimal solution obtained by the linear programming is then combined together with estimated initial values of pollutant concentrations to be used as the starting point for the sequential or iterative nonlinear programs of the nonlinear PMMNF or LMWSR problem. As HERBM adopts constant price-elasticity water demand functions to derive the net benefit functions of municipal and industrial demand sites and hydropower stations, and quadratic gross benefit functions to find the net benefit functions of agriculture water uses, stream flow demands and reservoir storages, it is a large scale nonlinear optimization problem even when the water quality constraints are not included. An efficient algorithm is built for coalition analysis, utilizing a combination of the multistart global optimization technique and gradient-based nonlinear programming method to solve a HERBM for each possible coalition.
Throughout the study, both the feasibility and the effectiveness of incorporating equity concepts into conventional economic optimal water resources management modeling are addressed. The applications of CWAM to the Amu Darya River Basin in Central Asia and the South Saskatchewan River Basin in western Canada demonstrate the applicability of the model. It is argued that CWAM can be utilized as a tool for promoting the understanding and cooperation of water users to achieve maximum welfare in a river basin and minimize the damage caused by water shortages, through water rights allocation, and water and net benefit transfers among water users under the regulated water market or administrative allocation mechanism.
Zafirakou, Antigoni Koulouris. "Statistical analysis techniques in water resources engineering /". Thesis, Connect to Dissertations & Theses @ Tufts University, 2000.
Buscar texto completoAdviser: Richard M. Vogel. Submitted to the Dept. of Civil and Environmental Engineering. Includes bibliographical references (leaves 206-214). Access restricted to members of the Tufts University community. Also available via the World Wide Web;
Shahjahan, Mosharefa. "Integrated management of water resources in Bangladesh /". Title page, table of contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09ENV/09envs525.pdf.
Texto completoNawaz, Najmur Rizwan. "Climate change water resources impacts and uncertainties". Thesis, Heriot-Watt University, 2001. http://hdl.handle.net/10399/1123.
Texto completoSaid, Md Azlin b. Md. "Water resources modelling using remotely sensed data". Thesis, Cardiff University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340765.
Texto completoMartin, Carrasco Francisco Javier. "Identification of robust water resources planning strategies". Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/75996.
Texto completoBibliography: leaves 169-170.
by Francisco Javier Martin Carrasco.
M.C.P.
Heinke, Jens [Verfasser]. "Water Resources in the Anthropocene / Jens Heinke". Berlin : Humboldt-Universität zu Berlin, 2021. http://d-nb.info/1228858411/34.
Texto completoNomas, Hamdan Bagi. "The water resources of Iraq : an assessment". Thesis, Durham University, 1988. http://etheses.dur.ac.uk/1694/.
Texto completoBayley, Timothy West y Timothy West Bayley. "Decision Making Under Uncertainty in Water Resources". Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621871.
Texto completoVashchenko, Nataliia. "Ecological problems of water resources in Ukraine". Thesis, Видавництво СумДУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/13114.
Texto completoMüller, Vojtěch. "The Middle East Conflict on Water Resources". Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-85189.
Texto completoNakao, Megumi. "Dynamic games and competition for water resources /". View online ; access limited to URI, 2003. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3112122.
Texto completoMahmoud, Mohammed. "Scenario Development for Water Resources Decision-making". Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/193925.
Texto completoFfolliott, Peter F., Leonard F. DeBano, Lori A. Strazdas, Malchus B. Jr Baker y Gerald J. Gottfried. "Hydrology and Water Resources: A Changing Emphasis?" Arizona-Nevada Academy of Science, 1997. http://hdl.handle.net/10150/296488.
Texto completoYaqoob, Usman <1991>. "Population distribution and water resources in Pakistan". Master's Degree Thesis, Università Ca' Foscari Venezia, 2018. http://hdl.handle.net/10579/13183.
Texto completoSpinelli, Gerardo. "Water Stress And Water Use Of Almonds In California| Linking Plant Water Status And Canopy Transpiration". Thesis, University of California, Davis, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3723733.
Texto completoAlmond water use was investigated at the leaf, plant and canopy level under a range of irrigation conditions in commercial orchards in California. Understanding plant response to water stress, specifically the behavior of plant transpiration and water use during periods of water stress, has important implications for irrigation scheduling in agriculture but also for water resources management and policy making.
Leaf gas exchange measurements of stomatal conductance and photosynthetic rate were performed at midday on shaded and on sunlit leaves, with midday stem water potential used to assess plant water stress. An essentially linear decline in both photosynthetic rate (from 25 to 5 μmol m-2 s-1) and stomatal conductance (from 400 to 50 mmol m -2 s-1) as stem water potential declined over the range of -0.5 to -3 MPa was observed in sunlit leaves. These data indicated a strong sensitivity of leaf-level physiological processes to water stress. However, evapotranspiration at the canopy level, measured using Eddy Covariance, did not show a reduction relative to atmospheric demand during periods of water stress. The apparent disconnect observed between leaf conductance, responsive to water stress and canopy evapotranspiration, insensitive to water stress, is the central problem investigated in this study.
When the transpiration data was analyzed in the framework of a "Big Leaf" model, decoupled conditions (i.e. a limited stomatal control of transpiration) were shown to prevail at the experimental site, contrary to previous findings reported in the literature for tall crops such as almond orchards. Low coupling implies only a moderate sensitivity of transpiration to stomatal closure. Measured coupling increased substantially with wind speed but showed a wide range of values at the low wind speeds (<1m s-1) that were observed at the site. At any wind speed however, higher canopy resistance resulted in higher coupling. The high leaf area index observed in the orchard may have been responsible for causing decoupled conditions, because when leaf area decreased as a result of harvesting operations, canopy transpiration appeared to become more sensitive to water stress.
Cumulative daily sap velocity was used as an estimate of plant transpiration. At the plant level, contrasting behaviors were observed in plant transpiration in the presence of water stress, depending on the duration and intensity of the stress. During long soil dry-down periods encompassing several weeks, plant transpiration relative to the evaporative demand of the atmosphere showed a statistically significant decline associated with a decrease in stem water potential and in stomatal closure. However, when the cycle of water stress was short (days), reductions in stem water potential seemed to be associated with an increase in cumulative sapflow velocity. The analysis of these results led to the development of a simple model that describes the theoretical interactions between three dependent variables, namely stem water potential, stomatal conductance and transpiration. The model output suggested that in wet soil, an increase in transpiration may be caused by increasing evaporative demand even if stem water potential and stomatal conductance decrease.
Houle, James J. "Community decisions about innovations in water resource management and protection". Thesis, University of New Hampshire, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10000397.
Texto completoThe purpose of this study was to investigate the social, economic and technological factors that influence rates of adoption of innovative stormwater management approaches in municipal organizations in the Great Bay watershed, NH. The scope of this study was to investigate how innovations spread through municipal populations in a specific region and watershed area of the US. The methodology used mixed qualitative methods, including semi-structured interviews, case studies, and surveys to examine perceptions, attitudes, and beliefs that influence the adoption of innovative stormwater management solutions, as well as the governance characteristics of municipalities at different stages of adoption. Major findings include: adopter categories can be relatively easily and quickly categorized into early and late majorities as a preliminary means to identify populations of ready and willing audiences interested in and capable of advancing innovations; early and late adopter classifications followed general diffusion theory, but differed in substantial ways that could influence overall project or program success; and finally that early majority communities have more internal and external capacity to advance innovations as well as higher levels of peer-to-peer trust to offset perceptions related to economic risk that can either advance or stall innovative stormwater management solution adoption. This research offers insights on how to allocate scarce resources to optimally improve water quality through stormwater management solutions, and makes recommendations for how to effectively and efficiently generate greater understanding of complex barriers to adoption that thwart innovation in municipal governance organizations. One significant implication is that agents of change who want to move innovations through a broad municipal population should focus their efforts on working with innovators and early adopters that have status within relevant peer networks and who have capacity to evaluate the strengths and weaknesses of innovations.
Geng, Guoting. "Development of approaches to integrated water resources management". Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/3984.
Texto completoJuana, James Sharka. "Efficiency and equity considerations in modeling inter-sectoral water demand in South Africa". Pretoria : [S.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-06062008-140425/.
Texto completoOblinger, Jennifer A. "Assessing the impact of water harvesting on water resources in rural India". Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1212157547/.
Texto completoTitle from first page of PDF file. Document formatted into pages; contains xiii, 111 p. ; also includes graphics (chiefly col.). Contains additional supplemental files.
Adeloye, A. J. "Value of river flow data for water resources and water quality assessment". Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378277.
Texto completoSaboia, Andrey Luna. "Water for whom? The management of water resources in intricacies Cearà state". Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16141.
Texto completoA crise da Ãgua representa uma das dimensÃes da questÃo ambiental, pois envolve uma multiplicidade de aspectos da forma como as sociedades se estruturam e se relacionam com a natureza no tempo e no territÃrio. Nesse contexto, a gestÃo de recursos hÃdricos à uma das agendas polÃticas e cientÃficas privilegiadas por contribuir na resoluÃÃo da crise da Ãgua. O estado do Cearà despontou como um dos pioneiros no moderno tratamento governamental da gestÃo hÃdrica no Brasil, possuindo legislaÃÃo especÃfica anterior a PolÃtica Nacional de Recursos HÃdricos. A partir do ano de 1987, com o âGoverno das MudanÃasâ, um processo polÃtico de aparelhamento do Estado para a gestÃo sistemÃtica dos recursos hÃdricos foi iniciado em meio à atraÃÃo de capitais e inserÃÃo na globalizaÃÃo. Contudo, a escassez hÃdrica relativa à qual parte da populaÃÃo do Cearà està periodicamente submetida nÃo foi eliminada, sendo bastante evidente no presente ciclo de secas. Desse modo, o objetivo geral da pesquisa consiste em analisar o atual modelo de gestÃo de recursos hÃdricos do estado do Cearà no Ãmbito da reestruturaÃÃo produtiva. O referencial teÃrico recorre a categorias e conceitos norteadores relacionados à problemÃtica ambiental, à crise da Ãgua, ao Estado, ao territÃrio, ao poder, aos conflitos e à gestÃo de recursos hÃdricos. Sob a luz do materialismo histÃrico-dialÃtico, a metodologia operacional foi pautada em cinco etapas, utilizando-se a pesquisa documental, a realizaÃÃo de entrevistas e trabalhos de campo como principais meios de coleta de dados. A pesquisa revelou que no Ãmago do atual modelo de gestÃo de recursos hÃdricos hà uma intensa seletividade das aÃÃes do Estado, com foco na gestÃo da oferta via infraestruturas hÃdricas para as bacias hidrogrÃficas que concentram os principais setores sociais e produtivos demandantes. Os conflitos por recursos hÃdricos se tornaram frequentes em determinados territÃrios, engendrando diferentes dinÃmicas e embates sociais.
Sainz, Gabriel. "The Zambezi River Basin: Water Resources Management : Energy-Food-Water nexus approach". Thesis, Stockholms universitet, Institutionen för naturgeografi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-159566.
Texto completoHerrera, Catalán Pedro y Oscar Millones. "Estimating the Cost of Mining Pollution on Water Resources: Parametric and Nonparametric Resources". Economía, 2012. http://repositorio.pucp.edu.pe/index/handle/123456789/117289.
Texto completoEn este estudio se aproximan los costos económicos de la contaminación ambiental minera sobre los recursos hídricos para 2008 y 2009 en el marco conceptual de la Eficiencia Medioambiental, que interpreta dichos costos como el trade-off de los empresarios mineros entre incrementar su producción que es vendible a precios de mercado (output deseable) yreducir la contaminación ambiental que se desprende de su proceso productivo (output no deseable). Dichos costos económicos fueron calculados a partir de fronteras de posibilidades de producción paramétricas y no paramétricas para 28 y 37 unidades mineras en los años 2008 y 2009 respectivamente, las que estuvieron bajo el ámbito de la Campaña Nacional deMonitoreo Ambiental de Efluentes y Recursos Hídricos que realizó el Organismo Supervisor de Inversión Energía y Minería (Osinergmin) en dichos años. Los resultados indican que los costos económicos de la contaminación ambiental minera sobre los recursos hídricos ascendieron, en promedio, para los años 2008 y 2009, a US$ 814,7 millones,y US$ 448,8 millones, respectivamente. Dichos costos estuvieron altamente concentrados en pocas unidades productivas, así como en pocos parámetros de contaminación, y fueron mayores en unidades mineras con producción media/baja de minerales. Dado que en la actualidad el sistema de multas y sanciones en el sector minero se basa en criterios administrativos, el estudio propone un Sistema de Sanciones Ambientalmente Eficiente basado en criterios económicos
Benson, Richard Lynn. "On-line monitoring of water quality parameters". Thesis, University of Hull, 1991. http://hydra.hull.ac.uk/resources/hull:8391.
Texto completoBedard, Robert J. A. "Laboratory scale experiments with water surface waves". Thesis, University of Hull, 2013. http://hydra.hull.ac.uk/resources/hull:7242.
Texto completoEvans, Lauren G. "Minimizing the Effects of Cement Slurry Bleed-Water on Water Quality Samples". Arizona-Nevada Academy of Science, 1987. http://hdl.handle.net/10150/296377.
Texto completoSome groundwater monitor wells produce water quality samples with anomalously high pH measurements. In some of these wells it is obvious that these water quality samples are affected by the bleed-water from the cement used to seal the annuli. To gain an understanding as to why cement bleed -water occurs and how it can be controlled, literature from both the cement and petroleum industries are reviewed. Cement is a very alkaline material. When too much water is used to prepare the slurry, alkaline bleed -water can drain through or along the cement sheath surrounding the casing. This results in an increase in the pH measurements of groundwater samples. This bleed-water can separate from the cement in-three ways: it can move into the formation during cementing, it can accumulate within the cement forming pockets and channels behind the casing, and it can remain within the interconnected capillaries that exist throughout the cement sheath. The drainage of alkaline bleed -water from the cement can be greatly reduced by controlling the amount of water used in the preparation of the slurry. The amount of water added can be monitored during well construction by measuring the slurry density. By implementing this quality control procedure during well construction along with specifying the correct amount of mix-water for the slurry, the elevated pH levels in groundwater samples should be greatly reduced if not completely eliminated.