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Assessing water use, energy use and carbon emissions in lift-irrigated areas: a case study from Karshi steppe in Uzbekistan

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Title Assessing water use, energy use and carbon emissions in lift-irrigated areas: a case study from Karshi steppe in Uzbekistan
 
Creator Djumaboev, Kakhramon
Yuldashev, Tulkun
Holmatov, B.
Gafurov, Zafar
 
Subject irrigated land
water use
water conservation
water requirements
energy consumption
energy conservation
greenhouse gases
carbon
emission reduction
pumps
irrigation scheduling
steppes
river basins
farmers
case studies
 
Description The advantages of a nexus approach in addressing complex environmental challenges are becoming increasingly clear. In Central Asia, however, the nexus between water–food–energy has not received adequate attention, as the very few studies that have been conducted fell short of quantifying nexus trade-offs and benefits at a practical, small scale. This paper applies a quantitative accounting method to assess water and energy use intensity in irrigated areas of the Karshi Steppe of Central Asia that are supplied by pumping water uphill (lift-irrigated) from the underlying river. The results indicated that the potential water and energy savings as well as the greenhouse gas (GHG) emission reductions could be achieved by applying an optimal planning deficit irrigation schedule simulated using CROPWAT 8. Some 575 MCM (million cubic metres) of water and 259 GWh of electricity can be saved, while the CO2 equivalent emissions can be reduced by almost 122 000 t. Achieving these savings requires a mix of technical and policy components. This paper describes an example of proper irrigation planning as a tool for water/energy savings and consequent reduction of CO2 emissions.
 
Date 2019-07
2019-02-21T10:50:50Z
2019-02-21T10:50:50Z
 
Type Journal Article
 
Identifier Djumaboev, Kakhramon; Yuldashev, T.; Holmatov, B.; Gafurov, Zafar. 2019. Assessing water use, energy use and carbon emissions in lift-irrigated areas: a case study from Karshi steppe in Uzbekistan. Irrigation and Drainage, 11p. (Online first) doi: 10.1002/ird.2321
1531-0353
1531-0361
https://hdl.handle.net/10568/99524
https://doi.org/10.1002/ird.2321
 
Language en
 
Rights All rights reserved; no re-use allowed
Limited Access
 
Format p. 409-419
 
Publisher Wiley