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| DOI | 10.1109/JSTARS.2023.3346032 |
| Evaluation of Downward Shortwave Radiation Products Over the Loess Plateau | |
| 发表日期 | 2024 |
| ISSN | 1939-1404 |
| EISSN | 2151-1535 |
| 起始页码 | 17 |
| 卷号 | 17 |
| 英文摘要 | Downward shortwave radiation (DSR) is a key component of the surface energy budget, influencing atmospheric circulation and climate change. DSR products derived from remote sensing observations or generated from reanalysis systems are commonly used as inputs for ecohydrological and climate models. The Loess Plateau is severely affected by soil erosion and has experienced frequent extreme weather events in recent years. Therefore, an accurate DSR product is crucial for accurately simulating climate change and surface-atmosphere processes on the Loess Plateau. In this study, newly released satellite DSR products CLouds, Albedo and Radiation Edition 3 data (CLARA-A3) and Moderate Resolution Imaging Spectroradiometer land surface Downward Shortwave Radiation Version 6.1 data (MCD18A1 V6.1), along with the reanalysis product Land component of the Fifth Generation European Centre for Medium-Range Weather Forecasts Reanalysis (ERA5-Land), were evaluated over the Loess Plateau and its surrounding areas. Intraday, daily, monthly, and seasonal DSR were evaluated against ground measurements which were collected from five observation networks. CLARA-A3 outperformed MCD18A1 and ERA5-Land on both monthly and daily scales. The root-mean-square error for monthly (daily) DSR from CLARA-A3, ERA5-Land, and MCD18A1 were 19.31 (31.3) W/m(2), 25.36 (39.74) W/m(2), and 25.03 (46.14) W/m(2), respectively. The study explored potential factors contributing to significant errors in DSR products. Results indicated that snow cover was one possible factor influencing the error in MCD18A1, and CLARA-A3 exhibited greater sensitivity to terrain influence compared to ERA5-Land and MCD18A1. The findings can be the reference for selecting DSR products over the Loess Plateau. |
| 英文关键词 | Downward shortwave radiation (DSR); Loess Plateau; reanalysis; remote sensing |
| 语种 | 英语 |
| WOS研究方向 | Engineering ; Physical Geography ; Remote Sensing ; Imaging Science & Photographic Technology |
| WOS类目 | Engineering, Electrical & Electronic ; Geography, Physical ; Remote Sensing ; Imaging Science & Photographic Technology |
| WOS记录号 | WOS:001146060100003 |
| 来源期刊 | IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/289162 |
| 作者单位 | Xi'an University of Science & Technology; Chinese Academy of Sciences; Xinjiang Institute of Ecology & Geography, CAS; Yellow River Engineering Consulting Co., Ltd. |
| 推荐引用方式 GB/T 7714 | . Evaluation of Downward Shortwave Radiation Products Over the Loess Plateau[J],2024,17. |
| APA | (2024).Evaluation of Downward Shortwave Radiation Products Over the Loess Plateau.IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,17. |
| MLA | "Evaluation of Downward Shortwave Radiation Products Over the Loess Plateau".IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 17(2024). |
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