Yang Jianying1; Mei Xurong2; Huo Zhiguo1; Yan Changrong2; Ju Hui2; Zhao Fenghua3; Liu Qin2
Source Publicationjournalofintegrativeagriculture
AbstractCrop consumptive water use is recognized as a key element to understand regional water management performance. This study documents an attempt to apply a regional evapotranspiration model (SEBAL) and crop information for assessment of regional crop (summer maize and winter wheat) actual evapotranspiration (ET a ) in Huang-Huai-Hai (3H) Plain, China. The average seasonal ET a of summer maize and winter wheat were 354.8 and 521.5 mm respectively in 3H Plain. A high-ET a belt of summer maize occurs in piedmont plain, while a low ET a area was found in the hill-irrigable land and dry land area. For winter wheat, a high-ET a area was located in the middle part of 3H Plain, including low plain-hydropenia irrigable land and dry land, hill-irrigable land and dry land, and basin-irrigable land and dry land. Spatial analysis demonstrated a linear relationship between crop ET a , normalized difference vegetation index (NDVI), and the land surface temperature (LST). A stronger relationship between ET a and NDVI was found in the metaphase and last phase than other crop growing phase, as indicated by higher correlation coefficient values. Additionally, higher correlation coefficients were detected between ET a and LST than that between ET a and NDVI, and this significant relationship ran through the entire crop growing season. ET a in the summer maize growing season showed a significant relationship with longitude, while ET a in the winter wheat growing season showed a significant relationship with latitude. The results of this study will serve as baseline information for water resources management of 3H Plain.
Document Type期刊论文
Affiliation1.Chinese Academy of Meteorological Sciences
2.Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences
Recommended Citation
GB/T 7714
Yang Jianying,Mei Xurong,Huo Zhiguo,et al. waterconsumptioninsummermaizeandwinterwheatcroppingsystembasedonsebalmodelinhuanghuaihaiplainchina[J]. journalofintegrativeagriculture,2015,14(10):2065.
APA Yang Jianying.,Mei Xurong.,Huo Zhiguo.,Yan Changrong.,Ju Hui.,...&Liu Qin.(2015).waterconsumptioninsummermaizeandwinterwheatcroppingsystembasedonsebalmodelinhuanghuaihaiplainchina.journalofintegrativeagriculture,14(10),2065.
MLA Yang Jianying,et al."waterconsumptioninsummermaizeandwinterwheatcroppingsystembasedonsebalmodelinhuanghuaihaiplainchina".journalofintegrativeagriculture 14.10(2015):2065.
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