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Climate Forecast for Better Water Management in Agriculture: A Case Study for Southern India
Citation
Selvaraju, R and Meinke, HB and Hansen, J, Climate Forecast for Better Water Management in Agriculture: A Case Study for Southern India , Climate prediction and agriculture : advances and challenges, Springer, James E Hansen & MVK Sivakumar (ed), Berlin, pp. 143-155. ISBN 978-3-540-44649-1 (2007) [Research Book Chapter]
DOI: doi:10.1007/978-3-540-44650-7_15
Abstract
Groundwater, the most assured widely available source of irrigation water, influences India’s industrial and agricultural growth (Rao et al. 1996). About 12.5% of India’s annual precipitation percolates into the groundwater, where it is protected from evapotranspiration. Demand for water by the agricultural, domestic and industrial sectors has increased considerably over the years, resulting in unsustainable exploitation of groundwater resources. The number of wells has increased from 7.78 to 9.98 million (dug out), 2.13 to 4.77 million (shallow tube) and 33.3 to 49.1 million (deep tube) over the last 10 years. Continuous cropping reduces potential recharge by reducing downward flux of rainfall (O’Connell et al. 1995). Although vast, India’s groundwater resources are not inexhaustible, as evidenced by continuous decline in groundwater levels in regions such as the Coimbatore district in western Tamil Nadu.
Item Details
Item Type: | Research Book Chapter |
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Research Division: | Agricultural, Veterinary and Food Sciences |
Research Group: | Agriculture, land and farm management |
Research Field: | Agricultural hydrology |
Objective Division: | Environmental Management |
Objective Group: | Terrestrial systems and management |
Objective Field: | Terrestrial systems and management not elsewhere classified |
UTAS Author: | Meinke, HB (Professor Holger Meinke) |
ID Code: | 71498 |
Year Published: | 2007 |
Web of Science® Times Cited: | 2 |
Deposited By: | Research Division |
Deposited On: | 2011-07-20 |
Last Modified: | 2012-02-14 |
Downloads: | 0 |
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