NDLI: Quantification of Climate Change Impact on Regional Agricultural Irrigation and Groundwater Demand

Content Provider	Springer Nature Link
Author	Kreins, Peter Henseler, Martin Anter, Ja Herrmann, Frank Wendland, Frank
Copyright Year	2015
Abstract	Climate change is expected to impact agricultural production conditions and groundwater resources. The climate change impacts are expected to be of particular importance for the German region North Rhine-Westphalia. Due to a high population density and intensive partial irrigation of agricultural production, future resource conflicts for groundwater are expected. An integrated model framework consisting of climate, crop-soils and groundwater models represents the regional heterogeneous climatic, geographic and agronomic conditions. The integrated model framework simulates the irrigation demand and groundwater recharge. An ex-post comparison between the simulated reference period (1961 to 1990) and statistical data prove a good model validity. The climate change scenario for the future period 2051 to 2080 assumes decreasing precipitation and increasing transpiration. The simulated total irrigation demand increases by nearly 20 times compared to the reference period (1961 to 1990) and increases regionally to more than 40 mm/ha. Decreasing groundwater recharge results in a tenfold increased share of irrigation water from groundwater. This share accounts regionally for more than 30 %. The results indicate important impacts for both agricultural production and other groundwater users.
Starting Page	3585
Ending Page	3600
Page Count	16
File Format	PDF
ISSN	09204741
Journal	Water Resources Management
Volume Number	29
Issue Number	10
e-ISSN	15731650
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-05-10
Publisher Institution	European Water Resources Association (EWRA)
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Climate change Irrigation Groundwater Integrated modelling Regional modelling Agricultural production Hydrogeology Hydrology/Water Resources Geotechnical Engineering & Applied Earth Sciences Atmospheric Sciences Civil Engineering Environment
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Civil and Structural Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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