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Registros recuperados: 4
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Cost Effectiveness of Rainwater Harvesting for Groundwater Recharge in Micro-Watersheds of Kolar District of India: The Case Study of Thotli Micro-Watershed AgEcon
Nagaraj, N.; Pradhani, Umesh; Chengappa, P.G.; Basavaraj, G.; Kanwar, Ramesh S..
This study has estimated the supply augmentation of groundwater recharge due to creation of water harvesting structures and has assessed the cost-effectiveness of rainwater harvesting for groundwater recharge on watershed basis in one of the sub-watersheds of the Kolar district, Peninsular India — a typically hard-rock area. The study is based on the primary data for the year 2008-09 collected from a sample of 90 farmers having irrigation bore-wells in the selected watershed named Thotli. The study has indicated that the annual draft of irrigation water exceeds the annual recharge, causing a negative balance. On an average, the returns per rupee investment have been found to be ` 1.80 on farm pond, ` 1.78 on recharge pit and ` 1.39 on field bund. The cost...
Tipo: Journal Article Palavras-chave: Rainwater harvesting; Economic feasibility; Groundwater recharge; Watershed; Agricultural and Food Policy; Q15; Q25.
Ano: 2011 URL: http://purl.umn.edu/118229
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Groundwater recharge estimate at Alto Rio Grande - MG watershed REA
Silva,Lucas A. da; Silva,Antônio M. da; Coelho,Gilberto; Mello,Carlos R. de; Pereira,Donizete dos R..
Springs are outcrops of aquifers surface, and the water cycle in this environment pass through the recharge, generally defined as the amount of water added to the aquifer, which may occur locally from rainwater infiltration. This study uses the Water Table Fluctuation (WTF) method to estimate the direct recharge and a groundwater balance to estimate the deep recharge on unconfined aquifers. The WTF method employs data of the aquifer water levels and its specific yield to estimate the direct recharge. The groundwater balance considers the direct recharge estimated by the WTF method, as the water input in the system and outputs as the base flow and deep recharge. The recharge was estimated at four areas at the watershed of Alto Rio Grande city, Minas Gerais...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Groundwater recharge; Aquifer surface; Springs.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000600011
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Shallow aquifer response to climate change scenarios in a small catchment in the Guarani Aquifer outcrop zone Anais da ABC (AABC)
MELO,DAVI C.D.; WENDLAND,EDSON.
ABSTRACT Water availability restrictions are already a reality in several countries. This issue is likely to worsen due to climate change, predicted for the upcoming decades. This study aims to estimate the impacts of climate change on groundwater system in the Guarani Aquifer outcrop zone. Global Climate Models (GCM) outputs were used as inputs to a water balance model, which produced recharge estimates for the groundwater model. Recharge was estimated across different land use types considering a control period from 2004 to 2014, and a future period from 2081 to 2099. Major changes in monthly rainfall means are expected to take place in dry seasons. Most of the analysed scenarios predict increase of more than 2 ºC in monthly mean temperatures. Comparing...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Climate change; Guarani Aquifer; Groundwater modelling; Groundwater recharge.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000200391
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Strategic Analyses of the National River Linking Project (NRLP) of India Series 5; Proceedings of the Second National Workshop on Strategies Issues in Indian Irrigation AgEcon
International Water Management Institute (IWMI).
Tipo: Presentation Palavras-chave: Irrigation management; Institutional reform; Surface irrigation; River basin management; Water transfer; Investment; Irrigation programs; Policy; Water users associations; Groundwater management; Groundwater recharge; Water supply; Drinking water; Watershed management; Crops; Crop Production/Industries; Financial Economics; Institutional and Behavioral Economics; Resource /Energy Economics and Policy.
Ano: 2009 URL: http://purl.umn.edu/118413
Registros recuperados: 4
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