评估GNSS基础设施对IGS贡献的准备情况:南极洲国王塞站的案例
Seung-Jun Lee1, Hong-Sik Yun1, Hyung-Mi Yoon2
1Geodesy Laboratory, Civil & Architectural and Environmental System Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Gyeonggi-Do, Republic of Korea.
Scientific reports
|December 17, 2025
概括
塞国王火车站 是一个火车站
科学领域:
- 地测和地球物理学的地质学.
- 地球和行星科学 地球和行星科学
背景情况:
- 南极洲的King Sejong Station (KSEJ) 正在评估是否可以整合到国际GNSS服务 (IGS) 网络中.
- 评估长期的位置稳定性和垂直参考一致性对于高度地质测量站点至关重要.
研究的目的:
- 评估KSEJ的GNSS基础设施对IGS集成的准备情况.
- 评估长期的位置稳定性,并确保垂直基准的一致性.
主要方法:
- 在ITRF2014参考框架中使用GAMIT/GLOBK 10.7重新处理双时代GNSS观测 (2009年,2023年).
- 进行地质平衡,以连接潮测量器基准与GNSS控制点.
- 分析GNSS信号质量,包括数据可用性,循环滑动率和多路径效应.
主要成果:
- 每年平均水平速度为22毫米/年,与区域地运动相一致.
- 在IGS门内,高数据可用性 (99.37%) 和低循环滑动率 (0.10%) .
- 检测到多路径升高,需要特定地点的缓解策略.
结论:
- KSEJ符合大多数IGS要求,但需要对多路径,元数据和数据传输进行基础设施升级.
- 该站显示出作为全球框架密集化和南极研究的高度地质测量参考站的潜力.
- 改善的基础设施将增强KSEJ对海平面监测和地力学研究的贡献.
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