{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T19:34:05Z","timestamp":1772134445574,"version":"3.50.1"},"reference-count":37,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2024,6,19]],"date-time":"2024-06-19T00:00:00Z","timestamp":1718755200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China Major Project","award":["42090032"],"award-info":[{"award-number":["42090032"]}]},{"name":"National Natural Science Foundation of China Major Project","award":["42075155"],"award-info":[{"award-number":["42075155"]}]},{"name":"National Natural Science Foundation of China Major Project","award":["2022AH020093"],"award-info":[{"award-number":["2022AH020093"]}]},{"name":"Anhui Provincial Colleges Science Foundation for Distinguished Young Scholars","award":["42090032"],"award-info":[{"award-number":["42090032"]}]},{"name":"Anhui Provincial Colleges Science Foundation for Distinguished Young Scholars","award":["42075155"],"award-info":[{"award-number":["42075155"]}]},{"name":"Anhui Provincial Colleges Science Foundation for Distinguished Young Scholars","award":["2022AH020093"],"award-info":[{"award-number":["2022AH020093"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Aerosols exert a significant influence on the brightness temperature observed in the thermal infrared (IR) channels, yet the specific contributions of various aerosol types remain underexplored. This study integrated the Copernicus Atmosphere Monitoring Service (CAMS) atmospheric composition reanalysis data into the Radiative Transfer for TOVS (RTTOV) model to quantify the aerosol effects on brightness temperature (BT) simulations for the Advanced Himawari Imager (AHI) aboard the Himawari-8 geostationary satellite. Two distinct experiments were conducted: the aerosol-aware experiment (AER), which accounted for aerosol radiative effects, and the control experiment (CTL), in which aerosol radiative effects were omitted. The CTL experiment results reveal uniform negative bias (observation minus background (O-B)) across all six IR channels of the AHI, with a maximum deviation of approximately \u22121 K. Conversely, the AER experiment showed a pronounced reduction in innovation, which was especially notable in the 10.4 \u03bcm channel, where the bias decreased by 0.7 K. The study evaluated the radiative effects of eleven aerosol species, all of which demonstrated cooling effects in the AHI\u2019s six IR channels, with dust aerosols contributing the most significantly (approximately 86%). In scenarios dominated by dust, incorporating the radiative effect of dust aerosols could correct the brightness temperature bias by up to 2 K, underscoring the substantial enhancement in the BT simulation for the 10.4 \u03bcm channel during dust events. Jacobians were calculated to further examine the RTTOV simulations\u2019 sensitivity to aerosol presence. A clear temporal and spatial correlation between the dust concentration and BT simulation bias corroborated the critical role of the infrared channel data assimilation on geostationary satellites in capturing small-scale, rapidly developing pollution processes.<\/jats:p>","DOI":"10.3390\/rs16122226","type":"journal-article","created":{"date-parts":[[2024,6,19]],"date-time":"2024-06-19T11:47:17Z","timestamp":1718797637000},"page":"2226","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Quantifying the Impact of Aerosols on Geostationary Satellite Infrared Radiance Simulations: A Study with Himawari-8 AHI"],"prefix":"10.3390","volume":"16","author":[{"given":"Haofei","family":"Sun","sequence":"first","affiliation":[{"name":"State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100017, China"},{"name":"University of Chinese Academy of Sciences, Beijing 101408, China"},{"name":"CMA Earth System Modeling and Prediction Centre (CEMC), Beijing 100081, China"}]},{"given":"Deying","family":"Wang","sequence":"additional","affiliation":[{"name":"Chinese Academy of Meteorological Sciences, Beijing 100081, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1966-446X","authenticated-orcid":false,"given":"Wei","family":"Han","sequence":"additional","affiliation":[{"name":"CMA Earth System Modeling and Prediction Centre (CEMC), Beijing 100081, China"}]},{"given":"Yunfan","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100017, China"},{"name":"University of Chinese Academy of Sciences, Beijing 101408, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,6,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1038\/nature14956","article-title":"The Quiet Revolution of Numerical Weather Prediction","volume":"525","author":"Bauer","year":"2015","journal-title":"Nature"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"ES6","DOI":"10.1175\/2011BAMS3224.1","article-title":"Next-Generation Numerical Weather Prediction: Bridging Parameterization, Explicit Clouds, and Large Eddies","volume":"93","author":"Hong","year":"2012","journal-title":"Bull. 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