Multi-temporal variation in water consumption of summer maize as determined by the Water Transformation Dynamical Processes Experimental Device

doi:10.2166/nh.2016.021

	Multi-temporal variation in water consumption of summer maize as determined by the Water Transformation Dynamical Processes Experimental Device
	Wu, Yali 1,2; Song, Xianfang 1; Ma, Ying 1; Bu, Hongmei 1; Yang, Shengtian 3; Han, Dongmei 1; Zhang, Yinghua 1
刊名	HYDROLOGY RESEARCH
	2017-10-01
卷号	48 期号:5 页码:1268-1281
关键词	evapotranspiration homogeneous soil layered soil summer maize Water Transformation Dynamical Processes Experimental Device
ISSN号	1998-9563
DOI	10.2166/nh.2016.021
通讯作者	Song, Xianfang(songxf@igsnrr.ac.cn)
英文摘要	A better understanding of the multi-temporal variation in evapotranspiration (ET) at different crop growth stages is the key for determining a reasonable irrigation schedule. In this study, a new device known as 'Water Transformation Dynamical Processes Experimental Device' (WTDPED) was used to monitor ET for maize under controlled environmental and groundwater conditions, and the multi-temporal variations of ET considering the combined impact of environmental factors (air temperature (AT), relative humidity (RH)) and groundwater in homogeneous and layered soils were focused on. During the whole growing period, the ET peaked at 14: 00-15: 00 on a daily basis. The variation in daily ET followed a bell curve during the entire growing period. The 5-day ET reached its maximum during the 12th leaf and maturity stage. The correlation coefficient between ET and AT reached its maximum value of 0.70 during planting and the third leaf stage. The negative correlation coefficient between RH and ET reached its maximum during the 12th leaf and tasseling-silking stage. Groundwater recharge was positively correlated to ET and the daily contribution was up to 10.07%. The silt sandy loam-loam layered soil was favorable for water and nutrient uptake during the entire growing period of maize.
资助项目	Key Research Program of the Chinese Academy of Sciences[KJZD-EW-TZ-G10] ; National Natural Science Foundation of China[41101029]
WOS关键词	HEIHE RIVER-BASIN ; CROP COEFFICIENT ; REFERENCE EVAPOTRANSPIRATION ; LYSIMETER OBSERVATIONS ; WEIGHING LYSIMETER ; WINTER-WHEAT ; SPRING MAIZE ; CHINA ; REGION ; CLIMATE
WOS研究方向	Water Resources
语种	英语
出版者	IWA PUBLISHING
WOS记录号	WOS:000412412500008
资助机构	Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/62350]
专题	中国科学院地理科学与资源研究所
通讯作者	Song, Xianfang
作者单位	1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Beijing Normal Univ, Beijing 100875, Peoples R China
推荐引用方式 GB/T 7714	Wu, Yali,Song, Xianfang,Ma, Ying,et al. Multi-temporal variation in water consumption of summer maize as determined by the Water Transformation Dynamical Processes Experimental Device[J]. HYDROLOGY RESEARCH,2017,48(5):1268-1281.
APA	Wu, Yali.,Song, Xianfang.,Ma, Ying.,Bu, Hongmei.,Yang, Shengtian.,...&Zhang, Yinghua.(2017).Multi-temporal variation in water consumption of summer maize as determined by the Water Transformation Dynamical Processes Experimental Device.HYDROLOGY RESEARCH,48(5),1268-1281.
MLA	Wu, Yali,et al."Multi-temporal variation in water consumption of summer maize as determined by the Water Transformation Dynamical Processes Experimental Device".HYDROLOGY RESEARCH 48.5(2017):1268-1281.