南方某新机场磁偏角的测定  

Determination of Magnetic Declination for the New Airdrome in South China

作　　者：龚绍平 朱建军[2] 欧海平 易重海[2] 

机构地区：[1]长沙市勘测设计研究院,长沙410007 [2]中南大学信息物理工程学院,长沙410083 [3]广州市城市勘测规划设计研究院,广州510060

出　　处：《工程勘察》2008年第8期47-49,共3页Geotechnical Investigation & Surveying

摘　　要：目前教科书和有关测量规范中并没有磁偏角测量方法及要求的描述,本文详细描述了南方某新机场磁偏角施测的技术过程,供以后类似工作参考。机场运行需要跑道上的磁偏角,但本次实际观测数据表明,机场路道上的磁偏角因受机场环境影响,不同地方变化很大,不能反映机场整个区域的实际情况。而跑道外、离跑道250m以上的地区,磁偏角观测数据比较稳定,能较客观地反映机场整体的实际情况。How to determine the magnetic declination for a new airdrome in South China is introduced in this paper. The magnetic declination of airdrome runway is very necessary for airdrome operation. According to the specified observation data, it found that the magnetic declinations on airdrome runway varied greatly; therefore, it couldn＇t reflect the real condition for the airdrome whole area. But, those about 250 meters far away from airdrome runway were comparatively stable and could be used for the new airdrome.

关 键 词：机场 磁偏角 磁照图 磁子午线 真子午线 

分 类 号：P227[天文地球—大地测量学与测量工程]