海潮负荷模型对陆态网对流层延迟精度分析  

Analysis of Tropospheric Delay Accuracy of CMONOC with Tidal Load Models

作　　者：付饶 潘顺宇 于冲 宋大鹏 李玉海 FU Rao;PAN Shunyu;YU Chong;SONG Dapeng;LI Yuhai(Shandong Zhengyuan Digital City Construction Co.,Ltd.,Yantai 264670,China)

机构地区：[1]山东正元数字城市建设有限公司,山东烟台264670

出　　处：《地理空间信息》2022年第6期154-156,共3页Geospatial Information

基　　金：山东省自然科学基金资助项目(ZR2017MD029)。

摘　　要：借助GAMIT/GLOBK软件对2019年年积日071~100的陆太网观测数据进行解算,并对海潮模型对沿海和内陆测站适应性分析。实验结果表明:海潮负荷模型对沿海和内陆测站解算ZTD影响存在差异性,海潮负荷模型对沿海地区测站ZTD影响误差明显高于内陆地区测站ZTD误差。在沿海地区测站中,最大误差达到了15.42 mm;在内陆地区测站中,最大误差达到了6.04 mm。说明测站距离海域的距离越远,对ZTD影响越小,ZTD的精度越高。海潮负荷模型对沿海地区测站PWV影响误差在区间[-1.5 1.5]内,证实了测站距离海域的距离越远,对PWV影响越小,PWV的精度越高。This paper used GAMIT/GLOBK software to calculate the observation data of land and space network from 071 to 100 in 2019, and analyzed the adaptability of ocean tide model to coastal and inland stations. The experiment results show that there are differences between coastal and inland stations in the influence of sea tide load model on ZTD calculation, and the influence error of sea tide load model on ZTD calculation of coastal stations is significantly higher than that of inland stations. The maximum error in coastal stations is 15.42 mm. The maximum error in inland stations is 6.04 mm. The farther the station is from the sea, the greater the influence on ZTD The smaller the influence, the higher the accuracy of ZTD. The results show that PWV error in coastal area is within the range [-3 3], and that in inland area is within the range [-1.51.5], which proves that the farther the station is from the sea area, the smaller the impact on PWV and the higher the PWV accuracy.

关 键 词：海潮负荷 中国大陆构造环境监测网络 天顶对流层延迟 大气可降水量 

分 类 号：P229[天文地球—大地测量学与测量工程]