{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T20:44:54Z","timestamp":1781729094021,"version":"3.54.5"},"reference-count":52,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2022,8,19]],"date-time":"2022-08-19T00:00:00Z","timestamp":1660867200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Project of the Sichuan Department of Science and Technology","award":["2022YFS0541"],"award-info":[{"award-number":["2022YFS0541"]}]},{"name":"Project of the Sichuan Department of Science and Technology","award":["2021KLAS02M"],"award-info":[{"award-number":["2021KLAS02M"]}]},{"name":"Project of the Sichuan Department of Science and Technology","award":["2018YFC1506104"],"award-info":[{"award-number":["2018YFC1506104"]}]},{"name":"Project of the Sichuan Department of Science and Technology","award":["2020ZYD051"],"award-info":[{"award-number":["2020ZYD051"]}]},{"name":"Project of the Sichuan Department of Science and Technology","award":["2019YJ0316"],"award-info":[{"award-number":["2019YJ0316"]}]},{"name":"the Key Laboratory of Atmospheric Sounding Program of China Meteorological Administration","award":["2022YFS0541"],"award-info":[{"award-number":["2022YFS0541"]}]},{"name":"the Key Laboratory of Atmospheric Sounding Program of China Meteorological Administration","award":["2021KLAS02M"],"award-info":[{"award-number":["2021KLAS02M"]}]},{"name":"the Key Laboratory of Atmospheric Sounding Program of China Meteorological Administration","award":["2018YFC1506104"],"award-info":[{"award-number":["2018YFC1506104"]}]},{"name":"the Key Laboratory of Atmospheric Sounding Program of China Meteorological Administration","award":["2020ZYD051"],"award-info":[{"award-number":["2020ZYD051"]}]},{"name":"the Key Laboratory of Atmospheric Sounding Program of China Meteorological Administration","award":["2019YJ0316"],"award-info":[{"award-number":["2019YJ0316"]}]},{"name":"the National Key R&amp;D Program of China","award":["2022YFS0541"],"award-info":[{"award-number":["2022YFS0541"]}]},{"name":"the National Key R&amp;D Program of China","award":["2021KLAS02M"],"award-info":[{"award-number":["2021KLAS02M"]}]},{"name":"the National Key R&amp;D Program of China","award":["2018YFC1506104"],"award-info":[{"award-number":["2018YFC1506104"]}]},{"name":"the National Key R&amp;D Program of China","award":["2020ZYD051"],"award-info":[{"award-number":["2020ZYD051"]}]},{"name":"the National Key R&amp;D Program of China","award":["2019YJ0316"],"award-info":[{"award-number":["2019YJ0316"]}]},{"name":"Special Funds for the Central Government to Guide Local Technological Development","award":["2022YFS0541"],"award-info":[{"award-number":["2022YFS0541"]}]},{"name":"Special Funds for the Central Government to Guide Local Technological Development","award":["2021KLAS02M"],"award-info":[{"award-number":["2021KLAS02M"]}]},{"name":"Special Funds for the Central Government to Guide Local Technological Development","award":["2018YFC1506104"],"award-info":[{"award-number":["2018YFC1506104"]}]},{"name":"Special Funds for the Central Government to Guide Local Technological Development","award":["2020ZYD051"],"award-info":[{"award-number":["2020ZYD051"]}]},{"name":"Special Funds for the Central Government to Guide Local Technological Development","award":["2019YJ0316"],"award-info":[{"award-number":["2019YJ0316"]}]},{"name":"Application Basic Research of Sichuan Department of Science and Technology","award":["2022YFS0541"],"award-info":[{"award-number":["2022YFS0541"]}]},{"name":"Application Basic Research of Sichuan Department of Science and Technology","award":["2021KLAS02M"],"award-info":[{"award-number":["2021KLAS02M"]}]},{"name":"Application Basic Research of Sichuan Department of Science and Technology","award":["2018YFC1506104"],"award-info":[{"award-number":["2018YFC1506104"]}]},{"name":"Application Basic Research of Sichuan Department of Science and Technology","award":["2020ZYD051"],"award-info":[{"award-number":["2020ZYD051"]}]},{"name":"Application Basic Research of Sichuan Department of Science and Technology","award":["2019YJ0316"],"award-info":[{"award-number":["2019YJ0316"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>This study is the first in the region to use Global Precipitation Mission Dual-Frequency Precipitation Radar (GPM-DPR) and Fengyun-2G (FY-2G) observations to qualitatively and quantitatively study the Southwest Vortex evolution characteristics during the flood season from 2019 to 2021. Furthermore, vertical characteristics of the two main precipitation types in the Southwest Vortex, stratiform and convective, were statistically analyzed at different life stages, including horizontal and vertical distribution of precipitation particles, droplet spectrum characteristics, and vertically layered precipitation contribution. The results showed that: (1) The typical convective precipitation (CP) in the developing and mature stages has strong reflectivity distribution centers in the upper and lower layers, showing characteristics related to terrain. Additionally, the high-level hydrometeor particles are mainly solid precipitation particles, and particles in the lower layers collide and coalesce in the violent vertical motion of the airflow. (2) For the three stages of CP, the reflectivity below melting layer (ML) first showed a rapid weakening trend toward the surface and then remained unchanged, significantly changing its vertical structure. The main rainfall type of the Southwest Vortex system was stratiform precipitation (SP) in the three stages. (3) In the two types of cloud precipitation, the developing stage is generally composed of large and sparse precipitation particles, the mature stage of large and dense precipitation particles, and the dissipating stage of small and sparse precipitation particles. The findings of this study reveal the three-dimensional refined structure and vertical variation characteristics of different life stages of the Southwest Vortex precipitation cloud system and provide important tools and references for improving the accuracy of numerical models and the forecast level of short-term heavy precipitation under complex terrain.<\/jats:p>","DOI":"10.3390\/rs14164063","type":"journal-article","created":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T01:56:40Z","timestamp":1661133400000},"page":"4063","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Three-Dimensional Structure Analysis and Droplet Spectrum Characteristics of Southwest Vortex Precipitation System Based on GPM-DPR"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0090-2840","authenticated-orcid":false,"given":"Hao","family":"Wang","sequence":"first","affiliation":[{"name":"College of Atmospheric Sounding, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Linyin","family":"Tan","sequence":"additional","affiliation":[{"name":"College of Atmospheric Sounding, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fugui","family":"Zhang","sequence":"additional","affiliation":[{"name":"Key Open Laboratory of Atmospheric Sounding, China Meteorological Administration, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5836-6839","authenticated-orcid":false,"given":"Jiafeng","family":"Zheng","sequence":"additional","affiliation":[{"name":"College of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanxia","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1123-2790","authenticated-orcid":false,"given":"Qiangyu","family":"Zeng","sequence":"additional","affiliation":[{"name":"College of Atmospheric Sounding, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7635-7087","authenticated-orcid":false,"given":"Yilin","family":"Yan","sequence":"additional","affiliation":[{"name":"College of Atmospheric Sounding, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinyue","family":"Ren","sequence":"additional","affiliation":[{"name":"College of Atmospheric Sounding, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Xiang","sequence":"additional","affiliation":[{"name":"College of Atmospheric Sounding, Chengdu University of Information Technology, Chengdu 610225, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,8,19]]},"reference":[{"key":"ref_1","first-page":"4104611","article-title":"Deep learning for bias correction of satellite retrievals of orographic precipitation","volume":"60","author":"Chen","year":"2022","journal-title":"IEEE Trans. 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