摘要
按照干旱河谷划分的技术标准，采用“3S”技术结合地面调查的方法，区划界定了甘肃省白龙江干旱河谷的分布范围和面积。结果表明，其主要分布于甘肃省东南部甘南州、陇南市，分布海拔为700～2200 m，面积达271214 hm2。
According to the technical standard of dry valley partition , the boundary and area of the dry valley in Bailongjing River of Gansu province were surveyed and defined by using the combination ap -proach of “3S” technology （ GPS, GIS and RS） and the ground survey.Results showed that the dry val-ley mainly distributed in Gannan and Longnan city of south-east Gansu province with the altitude from 700 m to 2200 m, and the area was 271214 hm2.
出处
《林业调查规划》
2014年第1期1-4,共4页
Forest Inventory and Planning
基金
甘肃省科技计划资助项目"白龙江干旱河谷脆弱生态区植被恢复技术研究示范"(090NKCK119)
关键词
白龙江干旱河谷
区划界定
面积
分布
arid valley in Bailongjing River
compartment and definition
area
distribution Province
