A review of remote sensing estimation of crop water productivity: definition, methodology, scale, and evaluation

[1 ]Jiangsu Key Laboratory of Crop Genetics and Physiology/Jiangsu Key Laboratory of Crop Cultivation and Physiology, Agricultural College, Yangzhou University, Yangzhou, PR China

[2 ]Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, PR China

[3 ]Institute of Crop Sciences, Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and Ecology, Ministry of Agriculture, Beijing, PR China

[4 ]National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya, China

[5 ]Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, PR China

[6 ]State Key Laboratory of Hydraulics and Mountain River Engineering & College of Water Resource and Hydropower, Sichuan University, Chengdu, Sichuan, PR China

[7 ]Jiangsu Tongfang Real Estate Assets Appraisal Planning Survey Co. Ltd, Wuxi, PR China