نتایج جستجو برای: 1000

تعداد نتایج: 70606  

2006
Christos Petrakis C. Petrakis

2015
Richard W. Tew Samuel S. Egdorf James E. Deacon RICHARD W. TEW

Follow this and additional works at: http://digitalscholarship.unlv.edu/water_pubs Part of the Biochemistry Commons, Biology Commons, Desert Ecology Commons, Environmental Health and Protection Commons, Environmental Indicators and Impact Assessment Commons, Environmental Monitoring Commons, Fresh Water Studies Commons, Natural Resource Economics Commons, Natural Resources Management and Policy...

2016
J. L. Pinto

a large settling tank. There are five such tanks. They are connected with one another and a constant level is maintained in all. The capacity of each tank is 1.2 million gallons; the total capacity being 6 million gallons. The daily draw is about 2 million gallons. Hence theoretically the water settles for about 3 days before entering the Paterson filters. The engineer in charge, however, state...

2006
Charles J. Vörösmarty Christian Lévêque Carmen Revenga Robert Bos Chris Caudill John Chilton Ellen M. Douglas Michel Meybeck Daniel Prager Patricia Balvanera Sabrina Barker Manuel Maas Christer Nilsson Taikan Oki Cathy A. Reidy Frank Rijsberman Robert Costanza Pedro Jacobi

7.4 Consequences for Human Well-being of Changes in the Provision of Fresh Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 7.4.1 Freshwater Provision: Benefits and Investment Requirements 7.4.2 Consequences of Water Scarcity 7.4.3 The Cost and Pricing of Water Delivery 7.4.4 Consequences of Too Much Water: Floods 7.4.5 Consequences of Poor Water Quali...

Journal: :Texas reports on biology and medicine 1947
H G SWANN M BRUCER

2014
Sara J. Marks Kristin Komives Jennifer Davis

We investigate the extent to which different forms of community participation explain variation in handpump sustainability using data collected from 200 rural communities in Ghana. Data sources include household surveys, engineering assessments of water points, and interviews with water committees and village leaders. The depth of community members’ involvement in project planning is positively...

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