无人机航空磁测在滩涂区地质调查的应用试验  

An application test of UAV aeromagnetic survey in geological survey of the tidal flat area

作　　者：西永在[1,2,3] 吴珊 廖桂香[1,2,3] 刘俊杰 路宁[1,2,3] 李永博 XI Yong-Zai;WU Shan;LIAO Gui-Xiang;LIU Jun-Jie;LU Ning;LI Yong-Bo(Institute of Geophysical and Geochemical Exploration,CAGS,Ministry of Natural Resources,Langfang 065000,China;Laboratory of Geophysical Electromagnetic Probing Technologies,Langfang 065000,China;Laboratory of Geophysical EM Probing Technologies,MLR,Langfang 065000,China)

机构地区：[1]中国地质科学院地球物理地球化学勘查研究所,河北廊坊065000 [2]自然资源部地球物理电磁法探测技术重点实验室,河北廊坊065000 [3]国家现代地质勘查工程技术研究中心,河北廊坊065000

出　　处：《物探与化探》2021年第2期355-360,共6页Geophysical and Geochemical Exploration

基　　金：中国地质调查局地质调查项目(DD20190552);国家重点研发计划课题(2017YFC0602004);中国地质科学院地球物理地球化学勘查研究所基本科研业务费专项资金项目(AS2017Y04)。

摘　　要：对CH-3型无人机航磁测量系统的测控软硬件、差分GPS定位数据同步、多系统适应性改装以及水平横向梯度测量等方面进行了改进完善,在江苏如东县沿岸滩涂区开展了1∶2.5万大比例尺航磁测量实验,验证了改进系统的高精度测控、稳定性等关键性能,在隐伏岩体、推断断裂构造、磁性界面分布等方面取得了较好的应用效果,表明在为滩涂区开发利用提供有效的基础地质和工程地质等方面具有广阔的应用前景。Through the improvement of CH-3 UAV aeromagnetic survey system of measurement and control software and hardware,differential GPS positioning data synchronization,system adaptability modification,and horizontal transverse gradient measurement,the authors carried out 1∶25000 large scale aeromagnetic survey test in Rudong coastal tidal flats area in Jiangsu Province,and verified the high precision measurement and control so as to improve the system stability and other key performance.Good application results were achieved in concealed rock mass,and fault structure and magnetic interface distribution were inferred,which shows that the method has broad application prospects in providing effective basic geological and engineering geological information for the development and utilization of the beach area.

关 键 词：无人机航磁 滩涂区 系统改进 

分 类 号：P631[天文地球—地质矿产勘探]