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Evapotranspiration and crop coefficient of Populus euphratica Oliv forest during the growing season in the extreme arid region northwest China

Author

Listed:
  • Hou, L.G.
  • Xiao, H.L.
  • Si, J.H.
  • Xiao, S.C.
  • Zhou, M.X.
  • Yang, Y.G.

Abstract

Based on successive observation, fifteen-day evapotranspiration (ETc) of Populus euphratica Oliv forest, in the extreme arid region northwest China, was estimated by application of Bowen ratio-energy balance method (BREB) during the growing season in 2005. During the growing season in 2005, total ETc was 446.96mm. From the beginning of growing season, the ETc increased gradually, and reached its maximum value of 6.724mmd-1 in the last fifteen days of June. Hereafter the ETc dropped rapidly, and reached its minimum value of 1.215mmd-1 at the end of growing season. The variation pattern of crop coefficient (Kc) was similar to that of ETc. From the beginning of growing season, the Kc value increased rapidly, and reached its maximum value of 0.623 in the last fifteen days of June. Afterward, with slowing growth of P. euphratica, the value dropped rapidly to the end of growing season. According to this study, the ETc of P. euphratica forest is affected not only by meteorological factors, but by water content in soil.

Suggested Citation

  • Hou, L.G. & Xiao, H.L. & Si, J.H. & Xiao, S.C. & Zhou, M.X. & Yang, Y.G., 2010. "Evapotranspiration and crop coefficient of Populus euphratica Oliv forest during the growing season in the extreme arid region northwest China," Agricultural Water Management, Elsevier, vol. 97(2), pages 351-356, February.
    • Handle: RePEc:eee:agiwat:v:97:y:2010:i:2:p:351-356
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    References listed on IDEAS

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    1. Yin, Yunhe & Wu, Shaohong & Zheng, Du & Yang, Qinye, 2008. "Radiation calibration of FAO56 Penman-Monteith model to estimate reference crop evapotranspiration in China," Agricultural Water Management, Elsevier, vol. 95(1), pages 77-84, January.
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    Cited by:

    1. Xiaohu Wen & Jianhua Si & Zhibin He & Jun Wu & Hongbo Shao & Haijiao Yu, 2015. "Support-Vector-Machine-Based Models for Modeling Daily Reference Evapotranspiration With Limited Climatic Data in Extreme Arid Regions," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(9), pages 3195-3209, July.
    2. Xinyuan Zhang & Lu Zhang & Zhiming Zhang, 2024. "Spatial Optimization Based on the Trade-Off between Ecosystem Conservation and Opportunity Cost of Tarim National Park in Xinjiang, China," Land, MDPI, vol. 13(1), pages 1-15, January.
    3. Carvalho, Henrique D.R. & Aguilos, Maricar M. & Ile, Omoyemeh J. & Howard, Adam M. & King, John S. & Heitman, Joshua L., 2023. "Water use of short-rotation coppice American sycamore (Platanus occidentalis L.) for bioenergy during establishment on marginal land in the North Carolina Piedmont," Agricultural Water Management, Elsevier, vol. 276(C).
    4. Cirella, Giuseppe T. & Zerbe, Stefan, 2014. "Sustainable Water Management and Wetland Restoration Strategies in Northern China," MPRA Paper 120233, University Library of Munich, Germany.
    5. Bezerra, Bergson G. & da Silva, Bernardo B. & Bezerra, José R.C. & Sofiatti, Valdinei & dos Santos, Carlos A.C., 2012. "Evapotranspiration and crop coefficient for sprinkler-irrigated cotton crop in Apodi Plateau semiarid lands of Brazil," Agricultural Water Management, Elsevier, vol. 107(C), pages 86-93.
    6. Pengrui Ai & Yingjie Ma, 2020. "Estimation of Evapotranspiration of a Jujube/Cotton Intercropping System in an Arid Area Based on the Dual Crop Coefficient Method," Agriculture, MDPI, vol. 10(3), pages 1-14, March.
    7. Haiming Yan & Jinyan Zhan & Bing Liu & Yongwei Yuan, 2014. "Model Estimation of Water Use Efficiency for Soil Conservation in the Lower Heihe River Basin, Northwest China during 2000–2008," Sustainability, MDPI, vol. 6(9), pages 1-17, September.

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