Graphics Library >> Irrigation

Tag: Irrigation

Global trends in cereal and meat production; total use of nitrogen and phosphorus fertilizers; increased use of irrigation; total global pesticides production
Production gains are attributed to improved crop varieties and livestock, soil management, improved access to resources (nutrients and water), infrastructure developments, policy initiatives, microfinance, education, bet...
03 Jan 2008 - by IAASTD/Ketill Berger, UNEP/GRID-Arendal
Development of organic matter, phosphorus and nitrate in EU 15 rivers
The graphic shows the development of organic matter, phosphorus and nitrate in EU 15 rivers. Water resources in Europe have been profoundly influenced over the past century by human activities, including the construction...
14 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Trends in groundwater nitrate concentrations
The graph shows the development of Nitrate concentration in groundwater from 1980 to 1995 in France, Britain and Denmark combined. Nitrate is a naturally occurring compound and is normal in small amounts, but excess amou...
14 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Radioactive, chemical and biological hazards in Central Asia
The Soviet development model for Central Asia was based on building large-scale irrigation schemes enabling the region to become a major cotton producer and expanding the mining and processing industry. Industrial operat...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Regulation of the Tigris and Euphrates rivers
Water has long been associated with conflicts between neighbouring countries. This graphic shows how water from the Tigris and Euphrates rivers is used in Iraq, and that neighbouring Syria and Turkey influence the flow o...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Aral Sea: trends and scenarios
The demise of the Aral Sea was caused primarily by the diversion of the inflowing Amu Dar'ya and Syr Dar'ya rivers to provide irrigation water for local croplands. This graphic shows the disappearance of the Aral Sea fro...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Freshwater withdrawal in agriculture, industry and domestic use
The agricultural sector is by far the biggest user of freshwater, primarily for irrigation of arable land. This graphic shows the relative percentages of water use by the agricultural, industrial and domestic sectors in ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Urban water cycle
This graphic illustrates the impact of human activity on groundwater. It shows that groundwater is obtained from periurban wellfields and urban wells, then used and disposed of as wastewater through pluvial drainage, pip...
17 May 2005 - by Delphine Digout, UNEP/GRID-Arendal
Lake Chad - decrease in area 1963, 1973, 1987, 1997 and 2001
Straddling the borders of Nigeria, Chad, Niger and Cameroon in West Africa, Lake Chad has been a source of freshwater for irrigation projects in all these countries. This graphic traces the shrinkage of Lake Chad and cha...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Kyrgyz Republic, topographic map
The Kyrgyz Republic (Kyrgyzstan) is located in Central Asia, west of China, comprising of 198,500 sq km. It has a population of 5,146,281 (2005). Major environmental concerns are: water pollution; many people get their w...
04 Oct 2005 - by Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Land cover changes in desert areas 1700,1900,2000 and 2050
The main land use change in desert areas has been the conversion of relatively barren drylands for agricultural needs, partially through irrigation. The conversion has historically primarily been to use the land for graz...
06 Mar 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Nigeria and the freshwater challenge
Out of the total precipitation reaching Nigeria, it can be separated into green and blue water. Green water (79% of the precipitation) represents the fraction of rainfall that generates soil moisture and which supports t...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Current and potential arable land use in Africa
Out of the total land area in Africa, only a fraction is used for arable land. Using soil, land cover and climatic characteristics a FAO study has estimated the potential land area for rainfed crops, excluding built up a...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Cultivated Land in Aral Sea Region [Russian]
Between 1990 and 2000 the area of cultivated land per capita in the Aral Sea region has dramatically reduced. The predictive models to the year 2020 show the increase demand in irrigation of the region. In Russian.
14 Feb 2006 - by I. Atamuradova, V. Yemelin, P. Rekacewicz, UNEP/GRID-Arendal
Cultivated Land in Aral Sea Region
Between 1990 and 2000 the area of cultivated land per capita in the Aral Sea region has dramatically reduced. The predictive models to the year 2020 show the increase demand in irrigation of the region.
14 Feb 2006 - by I. Atamuradova, V. Yemelin, P. Rekacewicz, UNEP/GRID-Arendal
Radioactive, chemical and biological hazards in Central Asia
The Soviet development model for Central Asia was based on building large-scale irrigation schemes enabling the region to become a major cotton producer and expanding the mining and processing industry. Industrial operat...
16 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Water withdrawal and availability in Aral Sea basin
Agriculture is a mainstay of Central Asia’s economy. With the economic crisis following independence it has become even more important. Agriculture being almost entirely dependent upon irrigation, access to water is of s...
16 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Water, irrigated cropland percentage by region
Irrigated land currently produces 40% of the world’s food on 17% of the world’s land. A broadening of irrigation and more effective rain fed agriculture will be necessary to meet the need for increasing agricultural outp...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Water requirements for food production 1960-2050
The requirements for water in agriculture in developing countries will need to increase in order to meet the Millennium Development Goal 1, target 2 'Halve, between 1990 and 2015, the proportion of people who suffer from...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Water withdrawals in 2050
Current patterns of human use of water are unsustainable. From 5% to possibly 25% of global freshwater use exceeds longterm accessible supplies and is met through engineered water transfers or the overdraft of groundwate...
30 Nov 2007 - by Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
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