The effect of vegetation on the water-heat exchange in the freezing-thawing processes of active layer is one of the key ......

The acquisition of spatial-temporal information of frozen soil is fundamental for the study of frozen soil dynamics and ......

西北黄土高原，光照丰富，雨热同期。实施旱作带田一膜两用技术，可增温２－５℃，节水３０－４０ｍｍ以上，调水７０％左右，热量利用率高达０．９８７，降水利用效率１５．１５ｋｇ／（ｍｍ·ｈｍ＾２），气候生产力......