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Title: An assessment of water consumption patterns and land productivity and water productivity using WA+ framework and satellite data inputs
Authors: Singh P.K.
Jain, Sharad Kumar
Mishra P.K.
Goel M.K.
Published in: Physics and Chemistry of the Earth
Abstract: The Water Accounting Plus (WA+) framework uses open access remote sensing and GIS data and hydrological model output. This framework uses Budyko hypothesis and thus makes use of ‘green’ water and ‘blue’ water accounting. We applied the WA+ framework to the Subarnarekha basin, India, to assess the total water consumptions and land productivity (LP) and water productivity (WP) for a period of 12 years from 2003 to 2014 by using satellite and open data sources. The total water consumptions in the basin for 2013–14 (wet year) and 2010–11 (dry year) are 27.1 BCM/year and 23.1 BCM/year, respectively. The LP in the basin is found to vary from 1575 to 2141 kg/ha/year (with an average of 1921 kg/ha/year) and 1315–2325 kg/ha/year (with an average of 1948 kg/ha/year) during the period of 2003-04 to 2013–14, respectively for rainfed and irrigated cereals. Similarly, the WP is found to vary from 0.34 to 0.49 kg/m3 (with an average of 0.42 kg/m3) and 0.38–0.69 kg/m3 (with an average of 0.59 kg/m3) during the period of 2003-04 to 2013–14, respectively for rainfed and irrigated cereals. This study shows that the WA+ framework can be successfully applied for analyzing water consumption patterns, land productivity and WP of irrigated and rainfed crops individually. The results are available in map form, it is easy to identify the places/farmers with low LP and WP and work with them to improves these. Such efforts will ultimately lead to efficient management of water resources in the basin and poverty alleviation. © 2021 Elsevier Ltd
Citation: Physics and Chemistry of the Earth
Issue Date: 2021
Publisher: Elsevier Ltd
Keywords: Land productivity
Satellite data
Water accounting plus
Water consumptions
Water productivity
ISSN: 14747065
Author Scopus IDs: 57208371734
Author Affiliations: Singh, P.K., WRS Division, NIH, Roorkee, India
Jain, S.K., Dept. of Civil Engineering, IIT, Roorkee, India
Mishra, P.K., WRS Division, NIH, Roorkee, India
Goel, M.K., GWH Division, NIH, Roorkee, India
Funding Details: We convey our sincere thanks to all the institutions/agencies including NASA, FAO, IWMI, IHE, Delft for freely providing the remote sensing datasets and other open source datasets to the users. The first and third author are highly indebted to the NIH Roorkee and the Ministry of Jal Shakti, Dept. of Water Resources, River Development and Ganga Rejuvenation, Government of India, for providing us a wonderful opportunity for training on WA+ Technology at IHE Delft, The Netherlands. We are most thankful to all the faculty members of WA+ Team at IHE Delft for inculcating us with their best of the expertise on WA+ Technology. National Aeronautics and Space Administration, NASA; Ministry of Jal Shakti
Corresponding Author: Singh, P.K.; WRS Division, India; email:
Appears in Collections:Journal Publications [CE]

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