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Haohan Li and Xiyun Hou
Autonomous navigation and orbit determination are key problems of asteroid exploration missions. Inter-satellite range link is a type of measurement widely used in the orbit determination of Earth satellites, but not so widely used in missions around sma...
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Guangyin Lu, Dongxing Zhang, Shujin Cao, Yihuai Deng, Gang Xu, Yihu Liu, Ziqiang Zhu and Peng Chen
In large-scale potential field data inversion, constructing the kernel matrix is a time-consuming problem with large memory requirements. Therefore, a spherical planting inversion of Gravity Recovery and Interior Laboratory (GRAIL) data is proposed using...
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Yihao Wu, Jia Huang, Hongkai Shi and Xiufeng He
Mean dynamic topography (MDT) is crucial for research in oceanography and climatology. The optimal interpolation method (OIM) is applied to MDT modeling, where the error variance?covariance information of the observations is established. The global geopo...
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Ahmad Nemati, Seyed Hossein Ghoreishi Najafabadi, Gholamreza Joodaki and S. Saeid Mousavi Nadoushani
Drought monitoring needs comprehensive and integrated meteorological and hydrologic data. However, such data are generally not available in extensive catchments. The present study aimed to analyze drought in the central plateau catchment of Iran using th...
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Neda Darbeheshti, Florian Wöske, Matthias Weigelt, Christopher Mccullough and Hu Wu
This paper introduces GRACETOOLS, the first open source gravity field recovery tool using GRACE type satellite observations. Our aim is to initiate an open source GRACE data analysis platform, where the existing algorithms and codes for working with GRAC...
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Willibroad Gabila Buma, Sang-Il Lee and Jae Young Seo
Sustainable water resource management requires the assessment of hydrological changes in response to climate fluctuations and anthropogenic activities in any given area. A quantitative estimation of water balance entities is important to understand the v...
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