Based on RS and GIS techniques, the distribution extent of the dry valley in upper reaches of Minjiang River was determined, with the dynamics and influence width of its landscape boundary analyzed.

• 摘要采用遥感和地理信息系统技术，界定了岷江上游干旱河谷的范围，在此基础上分析了岷江上游干旱河谷的边界动态及其影响域。