GPS在滑坡监测中的应用研究——以四川雅安峡口滑坡为例

GPS APPLICATION IN LANDSLIDE MONITORING ——A CASE STUDY OF THE XIAKOU LANDSLIDE,YA'AN, SICHUAN

本文主要介绍GPS用于地质灾害滑坡监测的技术和方法,并通过在中国四川雅安峡口滑坡示范区布设的GPS监测网的测量试验,阐述了在地形复杂、观测条件恶劣的山区进行GPS滑坡监测时,监测点位选择、监测网布设、数据处理的方法。监测结果表明,GPS滑坡监测的精度达到毫米级,完全可以应用于滑坡监测。

A surveying method for landslide monitoring using GPS is introduced. Through the experiment of landslide monitoring with GPS in Xiakou, Ya'an County, Sichuan Province, the authors elucidate the selection of the sites of monitoring stations, lay-out of the monitoring baseline network and method of GPC data processing when GPS monitoring of a landslide is conducted in a mountainous area where the topography is complex and the observation conditions are harsh. The results of the experiment show that GPS landslide monitoring can reach an accuracy of mm scale and can fully meet the demands of landslide monitoring.