Retrieval and Comparison of Multi-Satellite Polar Ozone Data from the EMI Series Instruments
文献类型:期刊论文
作者 | Wu, Kaili1,2; Xu, Ziqiang1; Luo, Yuhan1![]() ![]() |
刊名 | REMOTE SENSING
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出版日期 | 2024-10-01 |
卷号 | 16 |
关键词 | EMI series total ozone columns DOAS ozone hole multi-satellite inter-comparison weighted fusion correction |
DOI | 10.3390/rs16193619 |
通讯作者 | Si, Fuqi(sifuqi@aiofm.ac.cn) |
英文摘要 | The Environmental Trace Gases Monitoring Instrument (EMI) series are second-generation Chinese spectrometers on board the GaoFen-5 (GF-5) and DaQi-1 (DQ-1) satellites. In this study, a comparative analysis of EMI series data was conducted to determine the daily trend of ozone concentration changes owing to different transit times and to improve the overall quality and reliability of EMI series datasets. The daily EMI total ozone column (TOC) obtained using the Differential Optical Absorption Spectroscopy (DOAS) method were compared to vertical column density (VCD) gathered by the TROPOspheric Monitoring Instrument (TROPOMI). The results from October to November 2023 indicated a fine correlation (R = 0.98) between the daily EMI series data and a fine correlation (R >= 0.95) and spatial distribution closely resembling that of the TROPOMI TOCs. Furthermore, the EMI series data fusion results were highly correlated with TROPOMI TOCs (R = 0.99). Since the EMI series instruments had two different overpass times and the volume of available data at same pixel was increased by approximately three-fold, the temporal and spatial resolution was improved a lot. The results indicated that, compared to a single sensor, the EMI series DOAS TOCs generated more accurate and stable global TOC results and also enabled looking at the changes in the intraday TOCs. These outcomes highlight the potential of the EMI instruments for reliably monitoring the ozone variations in polar regions. |
WOS关键词 | ABSORPTION CROSS-SECTIONS ; BACKSCATTER ULTRAVIOLET ; TEMPERATURE-DEPENDENCE ; DEPLETION ; CLIMATE ; CALIBRATION ; TROPOMI ; MISSION ; RANGE ; LAYER |
资助项目 | National Key RD Program ; Youth Innovation Promotion Association of CAS[2020439] ; HFIPS Director's Fund[BJPY2023B01] ; [2022YFC3700102] |
WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology |
语种 | 英语 |
WOS记录号 | WOS:001332780600001 |
出版者 | MDPI |
资助机构 | National Key RD Program ; Youth Innovation Promotion Association of CAS ; HFIPS Director's Fund |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/134657] ![]() |
专题 | 中国科学院合肥物质科学研究院 |
通讯作者 | Si, Fuqi |
作者单位 | 1.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Hefei Inst Phys Sci, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China |
推荐引用方式 GB/T 7714 | Wu, Kaili,Xu, Ziqiang,Luo, Yuhan,et al. Retrieval and Comparison of Multi-Satellite Polar Ozone Data from the EMI Series Instruments[J]. REMOTE SENSING,2024,16. |
APA | Wu, Kaili,Xu, Ziqiang,Luo, Yuhan,Li, Qidi,Yu, Kai,&Si, Fuqi.(2024).Retrieval and Comparison of Multi-Satellite Polar Ozone Data from the EMI Series Instruments.REMOTE SENSING,16. |
MLA | Wu, Kaili,et al."Retrieval and Comparison of Multi-Satellite Polar Ozone Data from the EMI Series Instruments".REMOTE SENSING 16(2024). |
入库方式: OAI收割
来源:合肥物质科学研究院
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