{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:37:22Z","timestamp":1760150242340,"version":"build-2065373602"},"reference-count":66,"publisher":"MDPI AG","issue":"21","license":[{"start":{"date-parts":[[2023,11,6]],"date-time":"2023-11-06T00:00:00Z","timestamp":1699228800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["U2243229","42301385"],"award-info":[{"award-number":["U2243229","42301385"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>With the development of the Chinese Fengyun satellite series, Fengyun-2G (FY-2G) quantitative precipitation estimates (QPE) can provide real-time and high-quality precipitation data over East Asia. However, FY-2G QPE cannot offer precipitation information beyond the latitude band of 50\u00b0N due to the limitation of the observation coverage of the FY-2G-based satellite-borne sensor. To this end, a precipitation space reconstruction using the geographically weighted regression (GWR) coupled with a geographical differential analysis (GDA) (PSR2G) algorithm was developed, based on the land surface variables related to precipitation, including vegetational cover, land surface temperature, geographical location, and topographic characteristics. This study used the PSR2G-based reconstructed model to estimate the FY-2G QPE over Northeast China (the latitude band beyond 50\u00b0N) from December 2015 to November 2019 with a spatiotemporal resolution of 0.1\u00b0\/month. The PSR2G-based reconstructed results were validated with the ground observations of 80 rain gauges, and also compared to the reconstructed results using random forest (RF) and GWR. The results show that the spatio-temporal pattern of PSR2G QPE is closer to ground observations than those of RF and GWR, which indicates that the PSR2G QPE is more competent to capture the spatio-temporal variation of rainfall over Northeast China than other two reconstruction methods. In addition, the reconstructed precipitation dataset using PSR2G has higher accuracy over study area than the FY-2G QPE below the band of 50\u00b0N. It suggested that PSR2G reconstruction precipitation strategies do not lose the precision of the original satellite precipitation data.<\/jats:p>","DOI":"10.3390\/rs15215251","type":"journal-article","created":{"date-parts":[[2023,11,6]],"date-time":"2023-11-06T01:37:09Z","timestamp":1699234629000},"page":"5251","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Spatial Reconstruction of Quantitative Precipitation Estimates Derived from Fengyun-2G Geostationary Satellite in Northeast China"],"prefix":"10.3390","volume":"15","author":[{"given":"Hao","family":"Wu","sequence":"first","affiliation":[{"name":"The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China"},{"name":"Cooperative Innovation Center for Water Safety and Hydro-Science, Hohai University, Nanjing 210098, China"},{"name":"School of Geographic Information and Tourism, Chuzhou University, Chuzhou 239000, China"}]},{"given":"Bin","family":"Yong","sequence":"additional","affiliation":[{"name":"The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China"},{"name":"Cooperative Innovation Center for Water Safety and Hydro-Science, Hohai University, Nanjing 210098, China"}]},{"given":"Zhehui","family":"Shen","sequence":"additional","affiliation":[{"name":"College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"701","DOI":"10.1175\/BAMS-D-13-00164.1","article-title":"The Global Precipitation Measurement Mission","volume":"95","author":"Hou","year":"2014","journal-title":"Bull. 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