Daily 5-km Gap-free AVHRR snow cover extent product over China (1981-2019)
Based on AVHRR-CDR SR products, a daily cloud-free snow cover extent dataset with a spatial resolution of 5 km from 1981 to 2019 was prepared by using decision tree classification method. Each HDF4 file contains 18 data elements, including data value, data start date, longitude and latitude, etc. At the same time, to quickly preview the snow distribution, the daily file contains the snow area thumbnail, which is stored in JPG format. This data set will be continuously supplemented and improved according to the real-time satellite remote sensing data and algorithm update (up to may 2019), and will be fully open and shared.
The data is stored in HDF format;
The file name is: NIEER_ GF AVHRR SCE_ YYMMDD_ DAILY_ 5km_ V01, where YY represents the year, mm represents the month and DD represents the date;
Reading mode: any software supporting HDF format reading, such as HDF explorer, envi, ArcGIS, etc
HAO Xiaohua. (2021). Daily 5-km Gap-free AVHRR snow cover extent product over China (1981-2019). 时空三极环境大数据平台,
DOI:
10.11888/Snow.tpdc.271381.
CSTR:
18406.11.Snow.tpdc.271381.
[Hao, X. (2021). Daily 5-km Gap-free AVHRR snow cover extent product over China (1981-2019). A Big Earth Data Platform for Three Poles,
DOI:
10.11888/Snow.tpdc.271381.
CSTR:
18406.11.Snow.tpdc.271381.
]
(下载引用：
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RIS英文格式 |
Bibtex格式 |
Bibtex英文格式
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1. Hao, X., Huang, G., Che, T., Ji, W., Sun, X., Zhao, Q., Zhao, H., Wang, J., Li, H., and Yang, Q.: The NIEER AVHRR snow cover extent product over China – a long-term daily snow record for regional climate research, Earth Syst. Sci. Data, 13, 4711–4726, https://doi.org/10.5194/essd-13-4711-2021, 2021.( 查看 | Bibtex格式)
使用本数据时必须引用“文章的引用”中列出的文献，并进行数据的引用
中国科学院先导项目 (项目编号:XDA19070101) The Strategic Priority Research Program of the Chinese Academy of Sciences
国家重点研发计划项目 (项目编号:2019YFC1510503) The National Key Research and Development Program of China
科技基础资源调查项目 (项目编号:2017FY100502) The Science & Technology Basic Resources Investigation Program of China
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License：
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Attribution 4.0 International (CC BY 4.0)
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| East: 72.00 | West: 142.00 |
|---|---|
| South: 16.00 | North: 56.00 |
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