罗志才, 钟波, 周浩, 吴云龙. 利用卫星重力测量确定地球重力场模型的进展[J]. 武汉大学学报 ( 信息科学版), 2022, 47(10): 1713-1727. DOI: 10.13203/j.whugis20220537
引用本文: 罗志才, 钟波, 周浩, 吴云龙. 利用卫星重力测量确定地球重力场模型的进展[J]. 武汉大学学报 ( 信息科学版), 2022, 47(10): 1713-1727. DOI: 10.13203/j.whugis20220537
LUO Zhicai, ZHONG Bo, ZHOU Hao, WU Yunlong. Progress in Determining the Earth's Gravity Field Model by Satellite Gravimetry[J]. Geomatics and Information Science of Wuhan University, 2022, 47(10): 1713-1727. DOI: 10.13203/j.whugis20220537
Citation: LUO Zhicai, ZHONG Bo, ZHOU Hao, WU Yunlong. Progress in Determining the Earth's Gravity Field Model by Satellite Gravimetry[J]. Geomatics and Information Science of Wuhan University, 2022, 47(10): 1713-1727. DOI: 10.13203/j.whugis20220537

利用卫星重力测量确定地球重力场模型的进展

Progress in Determining the Earth's Gravity Field Model by Satellite Gravimetry

  • 摘要: 卫星重力测量是当前探测全球一致、高精度和高分辨率地球重力场的高效技术手段,主要包括高低卫星跟踪卫星测量(satellite-to-satellite tracking in high-low mode, SST-hl)、低低卫星跟踪卫星测量(satellite-to-satellite tracking in low-low mode, SST-ll)和卫星重力梯度测量(satellite gravity gradiometry,SGG)。系统总结了利用卫星重力测量技术(包括SST-hl、SST-ll和SGG及多模式组合)反演地球重力场的主要方法,评述了利用挑战性小卫星有效载荷(challenging mini-satellite payload, CHAMP)、重力恢复与气候实验(gravity recovery and climate experiment, GRACE)/ GRACE继任者(GRACE follow-on, GRACE -FO)和地球重力场和海洋环流探索器(gravity field and steady-state ocean circulation explorer, GOCE)卫星重力数据构建静态和时变重力场模型的最新进展,并对当前具有代表性的地球重力场模型精度进行了分析和评估,以期对未来的地球重力场研究及其地学应用提供参考。

     

    Abstract: Satellite gravimetry is an efficient technical means to detect the global consistent, high-precision and high-resolution Earth's gravity field, mainly including high-low satellite-to-satellite tracking (SST-hl), low-low satellite-to-satellite tracking (SST-ll) and satellite gravity gradiometry (SGG). We summarize the main methods to recover the earth's gravity field from satellite gravimetry technologies (including SST-hl, SST-ll, SGG and multi-mode combination), and review the latest progress in constructing the static and time-variable gravity field models using challenging mini-satellite payload(CHAMP), gravity recovery and climate experiment(GRACE)/GRACE follow-on(GRACE-FO) and gravity field and steady-state ocean circulation explorer(GOCE) satellite gravity measurements. And the accuracies of the current representative static and time-variable gravity field models are analyzed and evaluated. It is expected to provide reference for the study of the Earth's gravity field and its geoscience application in the future.

     

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