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  Assessing policy options for sustainable water use in India’s cereal production system

Singh, V., Stevanović, M., Jha, C. K., Beier, F., Ghosh, R. K., Lotze-Campen, H., Popp, A. (2023): Assessing policy options for sustainable water use in India’s cereal production system. - Environmental Research Letters, 18, 9, 094073.
https://doi.org/10.1088/1748-9326/acf9b6

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https://doi.org/10.5281/zenodo.6809773 (Supplementary material)
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MAgPIE - An Open Source land-use modeling framework

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 Creators:
Singh, Vartika1, Author              
Stevanović, Miodrag1, Author              
Jha, Chandan Kumar2, Author
Beier, Felicitas1, Author              
Ghosh, Ranjan Kumar2, Author
Lotze-Campen, Hermann1, Author              
Popp, Alexander1, Author              
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: In India, the production of rice and wheat account for more than 80% of its total agricultural water use. As farming is highly dependent on water availability, rapidly receding water levels require urgent measures to manage withdrawals. We assess policy instruments that can reduce pressures on water resources, while at the same time limiting adverse impacts on water-intensive cereal production systems, land-use changes and economic welfare. To this end, we use a dynamic and integrated partial equilibrium model of agricultural production and its impact on the environment to reflect two options: an increase in energy costs for irrigation water (price-related effects), and alternatively, physical quotas on water withdrawals (quantity-related effects). We conclude that it is possible to increase energy prices for agriculture with minimal impacts on agricultural production, agricultural prices, and trade in cereal crops, and moderately reduce water withdrawals by 2050. We find that the intermediate effects of pricing policies are negative for all indicators as compared to quota policies. However, by 2050, both policies yield similar outcomes for all indicators. Our results offer insights into ways in which these policies drive different mechanisms and trade-offs on important agro-economic indicators, and they offer the choice for water conservation policy decision-making based on other critical factors such as implementation costs.

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Language(s): eng - English
 Dates: 2022-09-092023-09-142023-10-052023-10-05
 Publication Status: Finally published
 Pages: 12
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1088/1748-9326/acf9b6
MDB-ID: No MDB - stored outside PIK (see DOI)
Organisational keyword: RD2 - Climate Resilience
Organisational keyword: RD3 - Transformation Pathways
PIKDOMAIN: RD2 - Climate Resilience
PIKDOMAIN: RD3 - Transformation Pathways
Working Group: Land Use and Resilience
Working Group: Land-Use Management
Regional keyword: Asia
Research topic keyword: Freshwater
Research topic keyword: Sustainable Development
Research topic keyword: Climate Policy
Research topic keyword: Food & Agriculture
OATYPE: Gold Open Access
 Degree: -

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Title: Environmental Research Letters
Source Genre: Journal, SCI, Scopus, p3, oa
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Publ. Info: -
Pages: - Volume / Issue: 18 (9) Sequence Number: 094073 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/150326
Publisher: IOP Publishing