A Novel Downscaling Approach Based on Multifrequency Microwave Radiometry Toward Finer Scale Global Soil Moisture Mapping
文献类型：期刊论文
| 作者 | Song, Peilin2; Zhao, Tianjie1; Shi, Jiancheng4; Zhang, Yongqiang3; Zheng, Jingyao1 |
| 刊名 | IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
 |
| 出版日期 | 2024 |
| 卷号 | 62页码:15 |
| 关键词 | Microwave radiometry Land surface temperature Microwave theory and techniques Remote sensing Land surface Spaceborne radar Satellite broadcasting Radar L-band Signal resolution Downscaling intermediate resolution multifrequency passive microwave (PMW) soil moisture thermal inertia |
| ISSN号 | 0196-2892 |
| DOI | 10.1109/TGRS.2024.3490758 |
| 产权排序 | 4 |
| 英文摘要 | Global surface soil moisture (SSM) mapping at a 9-km intermediate resolution from microwave remote sensing could play a pivotal role in advancing detailed global hydrological investigations. Despite the wide recognition of the soil moisture active passive (SMAP) mission's 9-km SSM products based on oversampling of the L-band radiometry, concerns persist regarding its ability to capture higher SSM heterogeneity at finer resolutions. For addressing this concern, a novel methodological framework was proposed in this study. This framework advocates the downscaling of the SMAP 36-km dataset through a fusion with high-frequency (Ka-band) passive microwave (PMW) observations. The resultant 9-km all-weather SSM product, derived from this novel approach, is evaluated using ground-based measurements worldwide. The findings reveal a significantly enhanced accuracy compared to the SMAP conventional oversampling-based one, especially in areas exhibiting pronounced local variations in SSM patterns. The study therefore represents a substantial step forward, providing new insights into the design and use of a multifrequency satellite radiometer for global SSM mapping. |
| WOS关键词 | SPATIAL-RESOLUTION ; BRIGHTNESS TEMPERATURE ; SURFACE-TEMPERATURE ; VEGETATION COVER ; ALL-WEATHER ; AMSR-E ; SMAP ; RETRIEVAL ; DISAGGREGATION ; SENSITIVITY |
| 资助项目 | National Natural Science Foundation of China[42090014] ; National Natural Science Foundation of China[42371330] ; Open Fund of State Key Laboratory of Remote Sensing Science[OFSLRSS202117] |
| WOS研究方向 | Geochemistry & Geophysics ; Engineering ; Remote Sensing ; Imaging Science & Photographic Technology |
| 语种 | 英语 |
| WOS记录号 | WOS:001358693100020 |
| 出版者 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
| 资助机构 | National Natural Science Foundation of China ; Open Fund of State Key Laboratory of Remote Sensing Science |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/211485]  |
| 专题 | 陆地水循环及地表过程院重点实验室_外文论文 |
| 通讯作者 | Zhao, Tianjie |
| 作者单位 | 1.Chinese Acad Sci, Aerosp Informat Res Inst, State Key Lab Remote Sensing Sci, Beijing 100101, Peoples R China 2.Xi An Jiao Tong Univ, Fac Elect & Informat Engn, Key Lab Phys Elect & Devices, Minist Educ, Xian 710049, Shaanxi, Peoples R China 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China 4.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Song, Peilin,Zhao, Tianjie,Shi, Jiancheng,et al. A Novel Downscaling Approach Based on Multifrequency Microwave Radiometry Toward Finer Scale Global Soil Moisture Mapping[J]. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,2024,62:15. |
| APA | Song, Peilin,Zhao, Tianjie,Shi, Jiancheng,Zhang, Yongqiang,&Zheng, Jingyao.(2024).A Novel Downscaling Approach Based on Multifrequency Microwave Radiometry Toward Finer Scale Global Soil Moisture Mapping.IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,62,15. |
| MLA | Song, Peilin,et al."A Novel Downscaling Approach Based on Multifrequency Microwave Radiometry Toward Finer Scale Global Soil Moisture Mapping".IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 62(2024):15. |
入库方式： OAI收割
来源：地理科学与资源研究所
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