However, the FY-4A GIIRS exhibits superior performance in cloudy conditions. While FY-4B GIIRS effectively detects RH, its RH profile products show less accuracy, with a bias of -3.89%, an RMSE of 15.42%, and a correlation coefficient (CC) of 0.56. In contrast, the FY-4B T profile ...
255 0 10:30 App 风云四号02星(FY-4B)载荷介绍之静止轨道快速成像仪 GHI 433 0 11:58 App 风云四号02星(FY-4B)载荷介绍之静止轨道干涉式红外探测仪GIIRS 653 0 08:03 App 风云三号05星(黎明星)L2级数据产品介绍之掩星大气产品 119 0 06:26 App 风云三号05星(黎明星)L2级数据产品介绍之夜间城市...
The temperature and humidity products of FY-4B GIIRS were released on 16 January 2023. Given its recent deployment, a comprehensive study evaluating its performance over China is currently absent. Consequently, this paper aims to compare FY-4B GIIRS Level-2 products with its predecessor, FY-4A ...
FY‑4B 搭载有4个仪器,其中3个和天气相关,分别为先进静止轨道辐射成像仪器(AGRI)、干涉式大 气垂直探测仪(GIIRS)和快速成像仪(GHI)。FY‑4B/AGRI和FY‑4A/AGRI相比,新增一个水汽 通道。2022年4月11日,FY‑4B成功定点东经133°E赤道上空静止轨道位置,2022年6月1日,B 星及其地面应用系统转入业务试运行...
& Feng, Y. An Investigation of the Fengyun-4A/B GIIRS Performance on Temperature and Humidity Retrievals. 13, 1830 (2022). Yang, Q., Yuan, Q. & Li, T. Ultrahigh-resolution PM2.5 estimation from top-of-atmosphere reflectance with machine learning: Theories, methods, and applications. ...
(FY-4A and FY-4B) and interpretable machine learning models, the 24-hour near-surface CO concentrations in China was conducted (resolution: 1 hour, 0.04°). The model improved by 6.6% when using the all-sky dataset (cloud-contained model, R2 = 0.759) compared to the clear-sky ...
摘要:风云四号卫星发射后ꎬ开展了卫星在轨评价工作.采用刃边法对太阳反射通道进行在轨ＭＴＦ评价ꎬ结果表明ꎬ多通道扫描辐射成像仪各反射通道在轨ＭＴＦ分别达到了０.１４㊁０.１７和０.２２以上ꎬ符合仪器指标要求ꎻ利用面源黑体对红外通道噪声进行评价ꎬ结果表明多通道扫描辐射成像仪性能稳定ꎬ噪声大小...
Accuracy evaluation of FY-4B GIIRS temperature and relative humidity profile products The findings indicate that the FY-4B GIIRS demonstrates comparable capabilities in detecting T under clear skies to the FY-4A GIIRS. However, the FY-4A... F Chen,H Li,Q He,... - 《Advances in Space Resea...
Improving typhoon predictions by assimilating the retrieval of atmospheric temperature profiles from the FengYun-4A’s Geostationary Interferometric Infrared Sounder (GIIRS). Atmos. Res. 2022, 280, 106391. [Google Scholar] [CrossRef] Wu, T.-C.; Zupanski, M.; Grasso, L.D.; Kummerow, C.D....
The Potential of Monitoring Carbon Dioxide Emission in a Geostationary View with the GIIRS Meteorological Hyperspectral Infrared Sounder. Remote Sens. 2023, 15, 886. [CrossRef] 40. Banos, I.H.; Mayfield, W.D.; Ge, G.; Sapucci, L.F.; Carley, J.R.; Nance, L. Assessment of the data...