干旱区生态环境知识资源中心(Arid): 变化环境下宝鸡峡灌区农业需水量的合理确定

Arid

	变化环境下宝鸡峡灌区农业需水量的合理确定
其他题名	Reasonable determination of agricultural water demand in Baojixia Irrigation district under changing environment
	唐雅君 1; 魏晓妹 2
来源期刊	水资源与水工程学报
ISSN	1672-643X
出版年	2018
卷号	29 期号:3 页码:254-260
中文摘要	基于宝鸡峡灌区11个气象站30年的气象数据、20年的作物种植面积资料及灌溉水利用系数等资料,分别用彭曼公式和定额法计算宝鸡峡灌区农业需水量,利用趋势法及灰色关联分析法分析其变化特征及驱动因素,并将计算结果与实际农业用水量对比讨论。结果表明:在众多变化环境因素共同作用下, 1991 - 2010年间宝鸡峡灌区农业需水量呈下降趋势,其主要影响因素是种植面积及粮食作物种植比的减小。中等年及干旱年实际用水量接近于非充分灌溉条件下定额法计算出的农业需水量,湿润年实际用水量介于定额法计算出的农业需水量与基于彭曼公式计算出的农业需水量之间。基于上述结论考虑灌区实际用水需求,提出灌区农业需水量合理确定方法。
英文摘要	Based on the 30 - year meteorological data,20 - year crop planting area data and coefficient of irrigation water utilization factor of 11 weather stations in Baojixia Irrigation district,the water demand of agriculture was calculated by Penman formula and quota method respectively,then trend analysis and gray relational analysis were used to analyze its changing characteristics and driving forces and discuss the results of the calculation and actual agricultural water consumption. The consequence suggests that under the combined action of many kinds of environmental factors,the agricultural water demand in Baojixia irrigation district shows a decreasing trend during 1991 - 2010. The main driving factors affecting the change of agricultural water demand are the reduction of planting area and the reduction of planting ratio of grain crops. The actual water consumption in middle years and in the arid years is close to the agricultural water demand based on the quota method in the case of under - sufficient irrigation. The actual water consumption in wet years is larger than the agricultural water demand calculated based on the quota method,less than the agriculture water demand calculated based on the Penman formula. Based on the above conclusions and considering the actual water demand in irrigation districts,a reasonable method for determining agricultural water demand is proposed.
中文关键词	变化环境 ; FAO Penman - Monteith法 ; 定额法 ; 农业需水量 ; 宝鸡峡灌区
英文关键词	changing environment FAO Penman - Monteith method quota method agricultural water demand Baojixia Irrigation district
语种	中文
国家	中国
收录类别	CSCD
WOS类目	AGRICULTURAL ENGINEERING
WOS研究方向	Agriculture
CSCD记录号	CSCD:6316491
来源机构	西北农林科技大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/238389
作者单位	1.河海大学水利水电学院, 南京, 江苏 210098, 中国; 2.西北农林科技大学水利与建筑工程学院, 杨凌, 陕西 712100, 中国
推荐引用方式 GB/T 7714	唐雅君,魏晓妹. 变化环境下宝鸡峡灌区农业需水量的合理确定[J]. 西北农林科技大学,2018,29(3):254-260.
APA	唐雅君,&魏晓妹.(2018).变化环境下宝鸡峡灌区农业需水量的合理确定.水资源与水工程学报,29(3),254-260.
MLA	唐雅君,et al."变化环境下宝鸡峡灌区农业需水量的合理确定".水资源与水工程学报 29.3(2018):254-260.