{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,17]],"date-time":"2026-02-17T12:01:05Z","timestamp":1771329665803,"version":"3.50.1"},"reference-count":79,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2018,7,26]],"date-time":"2018-07-26T00:00:00Z","timestamp":1532563200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41605019"],"award-info":[{"award-number":["41605019"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002858","name":"China Postdoctoral Science Foundation","doi-asserted-by":"publisher","award":["2015M580123"],"award-info":[{"award-number":["2015M580123"]}],"id":[{"id":"10.13039\/501100002858","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>This paper proposes an inverse model for raindrop size distribution (DSD) retrieval with polarimetric radar variables. In this method, a forward operator is first developed based on the simulations of monodisperse raindrops using a T-matrix method, and then approximated with a polynomial function to generate a pseudo training dataset by considering the maximum drop diameter in a truncated Gamma model for DSD. With the pseudo training data, a nearest-neighborhood method is optimized in terms of mass-weighted diameter and liquid water content. Finally, the inverse model is evaluated with simulated and real radar data, both of which yield better agreement with disdrometer observations compared to the existing Bayesian approach. In addition, the rainfall rate derived from the DSD by the inverse model is also improved when compared to the methods using the power-law relations.<\/jats:p>","DOI":"10.3390\/rs10081179","type":"journal-article","created":{"date-parts":[[2018,7,26]],"date-time":"2018-07-26T11:32:07Z","timestamp":1532604727000},"page":"1179","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":27,"title":["An Inverse Model for Raindrop Size Distribution Retrieval with Polarimetric Variables"],"prefix":"10.3390","volume":"10","author":[{"given":"Guang","family":"Wen","sequence":"first","affiliation":[{"name":"Institute of Atmospheric Physics, Chinese Sciences of Academy, Beijing 100029, China"},{"name":"School of Meteorology, University of Oklahoma, Norman, OK 73019, USA"}]},{"given":"Haonan","family":"Chen","sequence":"additional","affiliation":[{"name":"Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO 80523, USA"},{"name":"NOAA\/Earth System Research Laboratory, Boulder, CO 80305, USA"}]},{"given":"Guifu","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Meteorology, University of Oklahoma, Norman, OK 73019, USA"}]},{"given":"Jiming","family":"Sun","sequence":"additional","affiliation":[{"name":"Institute of Atmospheric Physics, Chinese Sciences of Academy, Beijing 100029, China"}]}],"member":"1968","published-online":{"date-parts":[[2018,7,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1175\/1520-0450(1976)015<0069:PUORDR>2.0.CO;2","article-title":"Potential use of radar differential reflectivity measurements at orthogonal polarizations for measuring precipitation","volume":"15","author":"Seliga","year":"1976","journal-title":"J. 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