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利用作物模型估算农业需水量的探讨

作  者:
胡玉昆;杨永辉;王玉坤;杨艳敏;祁顺杰
单  位:
河北省水利科学研究院;中国科学院农业水资源重点实验室;河北省水利科学研究院中科院遗传与发育生物学研究所农业资源研究中心河北省石津灌区管理局;中国科学院遗传与发育生物学研究所农业资源研究中心
关键词:
作物模型;农业需水量;山前平原
摘  要:
探讨了利用作物模型估算农业需水量的方法,在对DSSAT模型进行充分校正和验证的基础上估算了石家庄山前平原区农业需水量,并分析了其时空分布,以及农业需水量在不同降雨典型年份的变异性。模型计算结果显示石家庄山前平原区多年平均农业需水量为15.7亿m3,枯水年份与丰水年份农业需水量的变异率超过了50%。
译  名:
Discussion on Using Crop Model to Evaluate Agricultural Water Demand Quantity
作  者:
HU Yu-kun1,2,YANG Yong-hui2,WANG Yu-kun1,YANG Yan-min2,QI Shun-jie3(1.Hebei Provincal Academy of Water Resources,Shijiazhuang 050051,China;2.Research Center for Agricultural Resources,Institute of Genetics and Developmental Biology,CAS,Shijiazhuang 050021,China;3.Administrative Bureau of Shijin Irrigation District of Hebei Province,Shijiazhuang 050051,China)
关键词:
crop model;agricultural water demand quantity;piedmont plain
摘  要:
An approach that using crop model to evaluate the agricultural water demand quantity is explored in this paper.Based on sufficient calibration and validation on the DSSAT model,agricultural water requirement quantity in piedmont plain of Taihang Mountain in Shijiazhuang city is calculated,its spatial and temporal distribution is analyzed,and the variability of agricultural water use in different typical precipitation year is obtained.The results show that agricultural water demand quantity in this region is 1.57 billions meter cube,the variability of water use between wet year and dry year is more than 50%.

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