Documents & Reports

Search / Browse Documents


  

REFINE BY:

Specific Document Date Range

See More +
  • Showing 1 - 16 of 16 results
  • Display results in sets of
  • 10
  • 20
  • 50
Download To Excel [x]
Irrigation and drainage development (English)

An estimated 270 million hectares of irrigated land-about 18 percent of the world's cropland-generates about 40 percent of the world's food production. ... See More +

Working Paper (Numbered Series) 26321 MAR 31, 2003

Davis, Richard ; Hirji, Rafik

Water quality : assessment and protection (English)

Growing demands for water and increased pollution loads threaten the quality of many lakes, rivers, estuaries and groundwater bodies around the world and pose serious threats to public health, agricultural and industrial production, ecological functions, and biodiversity. ... See More +

Working Paper (Numbered Series) 26124 MAR 31, 2003

Davis, Richard ; Hirji, Rafik

Lake management (English)

According to the World Lake Vision (2003) it is estimated that lakes, both natural and manmade, store more than 90 percent of the world's surface fresh-water resources. ... See More +

Working Paper (Numbered Series) 26326 MAR 01, 2003

Davis, Richard; Hirji, Rafik; Mee, Lawrence Disclosed

Wastewater reuse (English)

As the demand for water increases and new sources of supply become more expensive to develop, there is an increasing need to use water more than once during the hydrological cycle. ... See More +

Working Paper (Numbered Series) 26325 MAR 01, 2003

Davis, Richard; Hirji, Rafik; Gool, Hugo van Disclosed

Environmental flows : concepts and methods (English)

The flows of the world's rivers are increasingly being modified through impoundments such as dams and weirs, abstractions for agriculture and urban supply, maintenance of lows for navigation, drainage return flows, and structures for flood control. ... See More +

Working Paper (Numbered Series) 26320 MAR 01, 2003

Davis, Richard; Hirji, Rafik Disclosed

Water conservation : urban utilities (English)

Access to sufficient amounts of clean water is increasingly recognized as the critical resource problem in the 21st century. The World Commission on Water estimates that the world's use of water has increased six-fold over the last 100 years, even though the population has only tripled. ... See More +

Working Paper (Numbered Series) 26323 MAR 01, 2003

Davis. Richard; Hirji, Rafik Disclosed

Irrigation and drainage : rehabilitation (English)

Irrigated agriculture provides about 40 percent of the world's food resources from 18 percent of the world's cultivated land. Compared to other water uses, irrigation is a high volume, low quality, low cost use accounting globally for 70 percent of the world's water usage. ... See More +

Working Paper (Numbered Series) 26322 MAR 01, 2003

Davis, Richard; Hirji, Rafik Disclosed

Water quality : wastewater treatment (English)

Urban water services can include any or all of the following: (a) provision of water for domestic and industrial uses; (b) sanitation to remove human wastes from possible contact with humans; and (c) treatment of wastes to remove contaminants. ... See More +

Working Paper (Numbered Series) 26069 MAR 01, 2003

Davis, Richard; Hirji, Rafik; Wolff, Gary Disclosed

Water conservation : irrigation (English)

As demand for water continues to rise rapidly and new sources of supply become scarcer, the conservation of water is increasingly important. Competition among water users affects irrigated agriculture in many arid and semiarid areas. ... See More +

Working Paper (Numbered Series) 26324 MAR 01, 2003

Davis, Richard; Hirji, Rafik; Plusquellec, Herve; Ochs, Walter Disclosed

Irrigation and drainage development (English)

An estimated 270 million hectares of irrigated land-about 18 percent of the world's cropland-generates about 40 percent of the world's food production. ... See More +

Working Paper (Numbered Series) 26321 MAR 01, 2003

Davis, Richard ; Hirji, Rafik Disclosed

Environmental flows : flood flows (English)

Large dams provide benefits to many people around the world by providing water for hydropower generation, irrigation, and water supply. However, without proper provisions being made, these dams can also cause considerable damage to upstream and downstream ecosystems. ... See More +

Working Paper (Numbered Series) 26123 MAR 01, 2003

Davis, Richard; Hirji, Rafik Disclosed

Water quality : nonpoint-source pollution (English)

Water quality problems can arise from the discharge of pollutants from both point sources-specific points of discharge of high-pollutant concentration such as sewers-and nonpoint, diffuse sources-low-concentration sources covering a large area. ... See More +

Working Paper (Numbered Series) 26070 MAR 01, 2003

Davis, Richard; Wolff, Gary; Hirji, Rafik Disclosed

Management of aquatic plants (English)

Nuisance aquatic plants come in both macroscopic and microscopic forms. Macroscopic forms include such common plants as water hyacinth (Eichhornia crassipes) and macroalgae such as Cladophora sp., and are generally termed aquatic weeds. ... See More +

Working Paper (Numbered Series) 26328 MAR 01, 2003

Hirji,Rafik Fatehali; Davis, Richard Disclosed

Environmental flows : case studies (English)

The flows of the world's rivers are increasingly being modified through impoundments such as dams and weirs, extractions for agriculture and urban supply, maintenance of flows for navigation, inflows of drainage waters, and structures for flood control. ... See More +

Working Paper (Numbered Series) 26122 MAR 01, 2003

Hirji,Rafik Fatehali; Davis, Richard Disclosed

Wetlands management (English)

Many wetlands around the world are being lost or are under threat. In many cases, losses are caused by direct development activities such as irrigation systems, conversion to agricultural land, reclamation for urban expansion, or aquaculture such as prawn culture in mangrove systems in South and Southeast Asia. ... See More +

Working Paper (Numbered Series) 26327 MAR 01, 2003

Hirji,Rafik Fatehali; Davis, Richard; Schutter, Joop de Disclosed

Water quality : assessment and protection (English)

Growing demands for water and increased pollution loads threaten the quality of many lakes, rivers, estuaries and groundwater bodies around the world and pose serious threats to public health, agricultural and industrial production, ecological functions, and biodiversity. ... See More +

Working Paper (Numbered Series) 26124 MAR 01, 2003

Davis, Richard ; Hirji, Rafik Disclosed

Title Document Date Report No. Document Type Also available in
Irrigation and drainage development (English)
See More +
MAR 31, 2003 26321 Working Paper (Numbered Series)
Water quality : assessment and protection (English)
See More +
MAR 31, 2003 26124 Working Paper (Numbered Series)
Lake management (English)
See More +
MAR 01, 2003 26326 Working Paper (Numbered Series)
Wastewater reuse (English)
See More +
MAR 01, 2003 26325 Working Paper (Numbered Series)
Environmental flows : concepts and methods (English)
See More +
MAR 01, 2003 26320 Working Paper (Numbered Series)
Water conservation : urban utilities (English)
See More +
MAR 01, 2003 26323 Working Paper (Numbered Series)
Irrigation and drainage : rehabilitation (English)
See More +
MAR 01, 2003 26322 Working Paper (Numbered Series)
Water quality : wastewater treatment (English)
See More +
MAR 01, 2003 26069 Working Paper (Numbered Series)
Water conservation : irrigation (English)
See More +
MAR 01, 2003 26324 Working Paper (Numbered Series)
Irrigation and drainage development (English)
See More +
MAR 01, 2003 26321 Working Paper (Numbered Series)
Environmental flows : flood flows (English)
See More +
MAR 01, 2003 26123 Working Paper (Numbered Series)
Water quality : nonpoint-source pollution (English)
See More +
MAR 01, 2003 26070 Working Paper (Numbered Series)
Management of aquatic plants (English)
See More +
MAR 01, 2003 26328 Working Paper (Numbered Series)
Environmental flows : case studies (English)
See More +
MAR 01, 2003 26122 Working Paper (Numbered Series)
Wetlands management (English)
See More +
MAR 01, 2003 26327 Working Paper (Numbered Series)
Water quality : assessment and protection (English)
See More +
MAR 01, 2003 26124 Working Paper (Numbered Series)