白龙江干旱河谷分布区划界定  

Distribution Compartment Definition of Arid Valley along Bailongjiang River

作　　者：郭星 陈国鹏 王飞 黄旭东 王杰 

机构地区：[1]白龙江林管局林科所,甘肃武都746010

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)

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.

关 键 词：白龙江干旱河谷 区划界定 面积 分布 

分 类 号：S728.2[农业科学—林木遗传育种] S757.43[农业科学—林学]