{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,30]],"date-time":"2025-12-30T17:49:58Z","timestamp":1767116998168,"version":"build-2065373602"},"reference-count":21,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2024,5,20]],"date-time":"2024-05-20T00:00:00Z","timestamp":1716163200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100010225","name":"National Outstanding Youth Foundation of China","doi-asserted-by":"publisher","award":["41925019","42301463","42305155","2023-ZM01K007"],"award-info":[{"award-number":["41925019","42301463","42305155","2023-ZM01K007"]}],"id":[{"id":"10.13039\/501100010225","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41925019","42301463","42305155","2023-ZM01K007"],"award-info":[{"award-number":["41925019","42301463","42305155","2023-ZM01K007"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Dreams Foundation of Jianghuai Advance Technology Center","award":["41925019","42301463","42305155","2023-ZM01K007"],"award-info":[{"award-number":["41925019","42301463","42305155","2023-ZM01K007"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The GaoFen (GF)-5-02 satellite is one of the new generations of hyperspectral observation satellites launched by China in 2021. The directional polarimetric camera (DPC) is an optical sensor onboard the GF-5-02 satellite. The precipitable water vapor (PWV) is a key detection parameter of DPC. However, the existing PWV data developed using DPC data have significant errors due to the lack of the timely calibration of the two bands (865, 910 nm) of DPC used for PWV retrieval. In order to acquire DPC PWV data with smaller errors, a calibration method is developed for these two bands. The method consists of two parts: (1) calibrate the 865 nm band of the DPC using the cross-calibration method, (2) calibrate the 910 nm band of the DPC according to the calibrated 865 nm band of the DPC. This method effectively addresses the issue of the absence of a calibration method for the water vapor absorption band (910 nm) of the DPC. Regardless of whether AERONET PWV data or SuomiNET PWV data are used as the reference data, the accuracy of the DPC PWV data developed using calibrated DPC data is significantly superior to that of the DPC PWV data retrieved using data before recalibration. This means that the calibration method for the NIR bands of the DPC can effectively enhance the quality of DPC PWV data.<\/jats:p>","DOI":"10.3390\/rs16101806","type":"journal-article","created":{"date-parts":[[2024,5,20]],"date-time":"2024-05-20T03:36:42Z","timestamp":1716176202000},"page":"1806","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Radiometric Calibration of the Near-Infrared Bands of GF-5-02\/DPC for Water Vapor Retrieval"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1847-690X","authenticated-orcid":false,"given":"Yanqing","family":"Xie","sequence":"first","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"},{"name":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"}]},{"given":"Qingyu","family":"Zhu","sequence":"additional","affiliation":[{"name":"Shanghai Academy of Spaceflight Technology, Shanghai 201109, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6991-9494","authenticated-orcid":false,"given":"Sifeng","family":"Zhu","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"},{"name":"Jianghuai Advance Technology Center, Hefei 230000, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0610-7944","authenticated-orcid":false,"given":"Weizhen","family":"Hou","sequence":"additional","affiliation":[{"name":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"}]},{"given":"Liguo","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5547-7461","authenticated-orcid":false,"given":"Xuefeng","family":"Lei","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China"}]},{"given":"Miaomiao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"}]},{"given":"Yunduan","family":"Li","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5570-8450","authenticated-orcid":false,"given":"Zhenhai","family":"Liu","sequence":"additional","affiliation":[{"name":"Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China"}]},{"given":"Yuan","family":"Wen","sequence":"additional","affiliation":[{"name":"Shanghai Institute of Satellite Engineering, Shanghai 201109, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7795-3630","authenticated-orcid":false,"given":"Zhengqiang","family":"Li","sequence":"additional","affiliation":[{"name":"Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100101, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"5839","DOI":"10.1364\/AO.492771","article-title":"Greenhouse gas monitoring instrument on the GF-5 satellite-II: On-orbit spectral calibration","volume":"62","author":"Han","year":"2023","journal-title":"Appl. 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