Reference gravity stations
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A catalogue of reference gravity stations in New Zealand has been assembled from measurements made since the 1950s using mostly Lacoste and Romberg D- and G-model meters. These data are from the New Zealand Primary Gravity Network and GNS Science gravity stations for measuring secular changes in gravity. In 2004 the observation data were uniformly processed using GNS Science software and tied to gravity base stations in Auckland and Dunedin. The 2004 revised gravity values currently provide the best spatial coverage of reference gravity for New Zealand. Regular updates of the database are available in kml file format including absolute gravity observations, and links to site diagrams and the LINZ benchmark maintenance pages. These stations can be used to tie any gravity survey using a differential gravity meter.
新西兰基准重力站目录汇编自20世纪50年代以来的实测数据,测量设备以拉科斯特-隆伯格(Lacoste and Romberg)D型与G型重力仪为主。该数据集源自新西兰国家重力基准网与GNS Science重力站,用于监测重力的长期变化。2004年,研究团队采用GNS Science自研软件对观测数据进行了统一处理,并将数据联测至奥克兰与达尼丁的重力基准站。2004年修订后的重力数值,目前为新西兰提供了覆盖度最优的基准重力空间数据集。该数据库可提供KML文件格式的定期更新内容,其中包含绝对重力观测数据,同时附带测站示意图链接与新西兰土地信息局(LINZ)基准点维护页面。此类测站可为所有采用差分重力仪开展的重力测量工作提供联测基准。




