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Multi-temporal variation in water consumption of summer maize as determined by the Water Transformation Dynamical Processes Experimental Device
Wu, Yali1,2; Song, Xianfang1; Ma, Ying1; Bu, Hongmei1; Yang, Shengtian3; Han, Dongmei1; Zhang, Yinghua1
2017-10-01
Source PublicationHYDROLOGY RESEARCH
ISSN1998-9563
Volume48Issue:5Pages:1268-1281
Corresponding AuthorSong, Xianfang(songxf@igsnrr.ac.cn)
AbstractA 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.
Keywordevapotranspiration homogeneous soil layered soil summer maize Water Transformation Dynamical Processes Experimental Device
DOI10.2166/nh.2016.021
WOS KeywordHEIHE RIVER-BASIN ; CROP COEFFICIENT ; REFERENCE EVAPOTRANSPIRATION ; LYSIMETER OBSERVATIONS ; WEIGHING LYSIMETER ; WINTER-WHEAT ; SPRING MAIZE ; CHINA ; REGION ; CLIMATE
Indexed BySCI
Language英语
Funding ProjectKey Research Program of the Chinese Academy of Sciences[KJZD-EW-TZ-G10] ; National Natural Science Foundation of China[41101029]
Funding OrganizationKey Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000412412500008
PublisherIWA PUBLISHING
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62351
Collection中国科学院地理科学与资源研究所
Corresponding AuthorSong, Xianfang
Affiliation1.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
Recommended Citation
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.
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