The Response of Agricultural Water Demand to Climate Change in Shiyang River Basin, in Northwest China

Abstract:

This paper reports on the method of linking climate change scenarios with hydrologic and agricultural theory to study agriculture water demand under changing climate conditions, which is applied in Shiyang River basin, in Northwest China. We calculate agriculture water demand by use of Penman-Monteith formula and field water balance theory, droved by climate factors. This paper concludes that, the response of agriculture water demand to climate change exists, but the climate change can’t vary the basic law of water resources system; reference evapotranspiration (ET0) and temperature represent positive correlation, moreover, agriculture water demand and temperature also exist positive correlation, however, agriculture water demand and precipitation show the evident negative correlation; the influence of agriculture water demand which induced by temperature increase or decrease 1°C is larger than that induced by precipitation increasing or decreasing 10%; the influence range of agriculture water demand which induced by precipitation decrease is larger than that induced by precipitation increase; the influence range of agriculture water demand which induced in the guarantee rate of 75% is larger than that which induced in the guarantee rate of 50%; in additionally, the influence range of agriculture water demand in 2020 is larger than that in 2010. Therefore, in these relatively water shortage areas, changes in agriculture water demand due to climate change will require timely improvement in crop cultivars, irrigation and drainage technology, and water management.

• Periodical: Advanced Materials Research (Volumes 347-353)
• Pages: 1964-1972
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.347-353.1964
• Online since: October 2011
• Authors: Hua Qi Wang, Mao Sheng Zhang, Xue Ya Dang, Hua Zhu
• Keywords: Agriculture Water Demand, Climate Change, Shiyang River Basin

References

[1] Cynthia Rosenzweig, K. M. S., David C. Major, Ana Iglesias, David N. Yates, Alyssa McCluskey, Danniel Hillel (2004). "Water resources for agriculture in a changing climate: international case studies." Global Environmental Change (14): 345-360.

DOI: 10.1016/s0959-3780(04)00062-7

[2] LiQiao Liang, L. L., Qiang Liu. (2010). "Temporal variation of reference evapotranspiration during 1961-2005 in the Taoer River basin of Northeast China." Agricultural and Forest Meteorology(150): 298-306.

DOI: 10.1016/j.agrformet.2009.11.014

[3] Charlotte de Fraiture, D. M., Dennis Wichelns (2010). "Invessting in water for food, ecosystems, and livelihoods: an over view of the comprehensive assessment of water management in agriculture." Agricultural Water Management(97): 495-501.

DOI: 10.1016/j.agwat.2009.08.015

[4] Mike Hulme, J. M., William Ingram, Jason Lowe, Tim Johns, Mark New, David Viner (1999). "Climate change scenarios for global impacts studies." Global Environmental Change(9): S3-S19. Pete Falloon, R. B. (2009). "Climate impacts on European agriculture and water management in the context of adaption and mitigation-The importance of an integrated approach." Science of the Total Environment: 1-21.

DOI: 10.1016/s0959-3780(99)00015-1

[5] Pete Falloon, R. B. (2009). "Climate impacts on European agriculture and water management in the context of adaption and mitigation-The importance of an integrated approach." Science of the Total Environment: 1-21.

DOI: 10.1016/j.scitotenv.2009.05.002

[6] Thomas, A. (2008). "Agricultural irrigation demand under present and future climate scenarios in China." Global and Planetary Change(60): 306-326.

DOI: 10.1016/j.gloplacha.2007.03.009

[7] Joseph Alcamo, N. D., Marcel Endejan, Genady Golubev, Andrei Kirilenko (2007). "A new assessment of climate change impacts on food production shortfalls and water availability in Russia." Global and Environmental Change(17): 2007.

DOI: 10.1016/j.gloenvcha.2006.12.006

[8] Ana Iglesias, C. R., David Pereira (2000). "Agriculture impacts of climate change in Spain: developing tools for a spatial analysis." Global Environmental Change(10): 69-80.

DOI: 10.1016/s0959-3780(00)00010-8

[9] Ling Tong, S. K., Lu Zhang (2007). "Temporal and spatial variations of evapotranspiration for spring wheat in the Shiyang River Basin in Northwest China." Agricultural water management(87): 241-250.

DOI: 10.1016/j.agwat.2006.07.013

[10] LI Wei-de, L. Z.-z., Wang Ji-quan (2007). "Evaluation of oasis ecosystem risk by reliability theory in an arid area: A case study in the Shiyang River Basin, China." Journal of Environmental Sciences (17): 508-512.

DOI: 10.1016/s1001-0742(07)60085-0

[11] Danniel Hillel (2004). "Water resources for agriculture in a changing climate: international case studies." Global Environmental Change (14): 345-360.

DOI: 10.1016/s0959-3780(04)00062-7

[12] Axel, T. (2008). "Agricultural irrigation demand under present and future climate scenarios in China." Global and Planetary Change(60): 306-326.

DOI: 10.1016/j.gloplacha.2007.03.009

[13] Ling, T. (2004). Temporal and spatial distribution of crop evapotranspiration in Shiyang River Basin. Yangling, Northwest Agriculture & Forestry University. master.

[14] Xiaotao Zhang, S. K., Lu Zhang, Junqi Liu (2010). "Spatial variation of climatology monthly crop reference evapotranspiration and sensitivity coefficients in Shiyang river basin of northwest China." Agricultural water management(.

DOI: 10.1016/j.agwat.2010.05.004