搜索结果: 1-4 共查到“croplands”相关记录4条 . 查询时间(0.059 秒)
CLASSIFICATION OF CROPLANDS THROUGH FUSION OF OPTICAL AND SAR TIME SERIES DATA
Multi-temporal Data fusion Landsat 5 Radarsat-1 Machine learning Crop classification Paddy rice index
2016/11/24
Many satellite sensors including Landsat series have been extensively used for land cover classification. Studies have been conducted to mitigate classification problems associated with the use of sin...
张福锁研究小组论文“Significant Acidification in Major Chinese Croplands”在Science发表（图）
张福锁 Significant Acidification Major Chinese Croplands Science
2010/2/26
我校资源与环境学院张福锁教授领导的科研小组的研究论文“Significant Acidification in Major Chinese Croplands”于2月19日在Science正式发表(2月11日在Science Express上提前刊出与读者见面)。该论文通过深入系统的研究，首次全面报道了自上世纪80年代以来我国主要农田土壤出现显著酸化的现象，并且发现氮肥过量施用是导致农田土壤酸化的...
Incorporation of crop phenology in Simple Biosphere Model (SiBcrop) to improve land-atmosphere carbon exchanges from croplands
crop phenology Simple Biosphere Model land-atmosphere carbon exchanges croplands
2010/1/20
Croplands are man-made ecosystems that have high net primary productivity during the growing season of crops, thus impacting carbon and other exchanges with the atmosphere. These exchanges play a majo...
Global Croplands and Their Water Use—Advanced Remote Sensing Methods and Approaches
:Croplands Water use Remote Sensing Global Food Security.
2016/4/7
The paper provides a comprehensive review of global croplands and their water use. Global cropland (irrigated plus rainfed) areas increased from 265 Mha in year 1700 to about 1.5 Mha in year 2000. Maj...