搜索结果: 1-2 共查到“工学 Northern China”相关记录2条 . 查询时间(0.046 秒)
Dynamic assessment of pollution risk of groundwater source area in Northern China
Dynamic Groundwater pollution risk assessment Groundwater source area
2018/3/23
Based on the dynamic analysis and research of pollution risk of groundwater sources, this paper creates the dynamic assessment method of pollution risk of groundwater source area under the theory of “...
EXTRACTING CROPPING INDEX VARIATIONS IN NORTHERN CHINA BASED ON NDVI TIME-SERIES
Remote Sensing Agriculture Change Detection Indicators Multitemporal Spatial
2015/12/31
Multiple cropping system, characterized by cropping index, is of significant importance to Chinese food production and security.Owing to the changing nature conditions and human activity, cropping ind...