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2021年第12期
2019年第02期
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基于GRACE降尺度的中国绿洲地下水储量异常数据集(2002-2023)


崔博超1,5薛冬萍1桂东伟2刘琦3ABD-ELMABOD Sameh Kotb1,4CHEN Xiaonan1,5GOETHALS Peter5DE MAEYER Philippe6
1 中国科学院新疆生态与地理研究所,干旱区生态安全与可持续发展重点实验室,荒漠与绿洲生态国家重点实验室,乌鲁木齐8300112 中国科学院新疆理化技术研究所,乌鲁木齐8300113 Biological and Environmental Science and Engineering Division,King Abdullah University of Science and Technology,Thuwal 23955,Saudi Arabia4 Department of Soil and Water Use,Agricultural and Biological Research Institute,National Research Centre,Cairo 12622,Egypt5 Department of Animal Sciences and Aquatic Ecology,Ghent University,Ghent 9000,Belgium6 Department of Geography,Ghent University,Ghent 9000,Belgium

DOI:10.3974/geodb.2026.05.04.V1

出版时间:2026年5月

网页浏览次数:48       数据下载次数:1      
数据下载量:11.01 MB      数据DOI引用次数:

关键词:

中国绿洲,GRACE,地下水储量异常,降尺度,机器学习

摘要:

作者基于GRACE/GRACE-FO卫星重力数据(CSR、JPL、GSFC三家机构Mascon产品均值),结合多源遥感与陆面模式数据,包括MODIS LST、GPM降水、ERA5-Land蒸散发、FLDAS土壤水分与径流、SRTM (90m)DEM及NDVI等,采用引入时空编码的随机森林降尺度模型(RFst),将总水储量异常(TWSA)空间分辨率从0.5°提升至0.1°,并通过扣除土壤水分、雪水当量及地表水储量异常,反演获得中国干旱区绿洲区域2002年4月至2023年4月逐月地下水储量异常(GWSA)数据集。该数据集内容包括中国绿洲区域0.1°网格点的经度、纬度以及254个月的逐月GWSA值(mm)。数据集以.xlsx格式储存,由1个数据文件组成,数据量为11 MB。

基金项目:

新疆维吾尔自治区(2023TSYCLJ0049);国家自然科学基金(42361144792)

数据引用方式:

崔博超, 薛冬萍, 桂东伟, 刘琦, AB, CHEN Xiaonan, GOETHALS Peter, DE MAEYER Philippe. 基于GRACE降尺度的中国绿洲地下水储量异常数据集(2002-2023)[J/DB/OL]. 全球变化数据仓储电子杂志(中英文), 2026. https://doi.org/10.3974/geodb.2026.05.04.V1.
.

参考文献:


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     [2] Didan, K. MODIS/Terra vegetation indices monthly L3 global 0.05 Deg CMG V061 [J]. NASA EOSDIS Land Processes Distributed Active Archive Center, 2021.
     [3] Huffman, G., Stocker, E., Bolvin, D., et al. GPM IMERG final precipitation L3 1 day 0.1 degree x 0.1 degree V07 [J]. Goddard Earth Sciences Data and Information Services Center (GES DISC), 2023. DOI: 10.5067/GPM/IMERGDF/DAY/07.
     [4] Loomis, B., Luthcke, S., Sabaka, T. Regularization and error characterization of GRACE mascons [J]. Journal of Geodesy, 2019, 93: 1381-1398.
     [5] McNally, A., Arsenault, K., Kumar, S., et al. A land data assimilation system for sub-Saharan Africa food and water security applications [J]. Scientific Data, 2017, 4: 1-19.
     [6] Muñoz-Sabater, J., Dutra, E., Agustí-Panareda, A., et al. ERA5-Land: A state-of-the-art global reanalysis dataset for land applications [J]. Earth System Science Data, 2021, 13: 4349-4383.
     [7] ASTER Science Team. ASTER Global Digital Elevation Model V003 [J]. NASA EOSDIS Land Processes DAAC, 2019.
     [8] Save, H. CSR GRACE and GRACE-FO RL06 mascon solutions v02 [J]. University of Texas at Austin, 2020: 1.
     [9] Sun, Z., Long, D., Yang, W., et al. Reconstruction of GRACE data on changes in total water storage over the global land surface and 60 basins [J]. Water Resources Research, 2020, 56: e2019WR026250.
     [10] Wan, Z., Hook, S., Hulley, G. MODIS/Terra land surface temperature/emissivity monthly L3 global 0.05 Deg CMG V061 [J]. NASA EOSDIS Land Processes Distributed Active Archive Center, 2021.
     [11] Wiese, D., Yuan, D., Boening, C., et al. JPL GRACE mascon ocean, ice, and hydrology equivalent water height release 06 coastal resolution improvement (CRI) filtered version 1.0 [J]. DAAC, 2018.
     [12] Yang, J., Huang, X. 30 m annual land cover and its dynamics in China from 1990 to 2019 [J]. Earth System Science Data Discussions, 2021: 1-29.
     [13] Zhu, Z., Tang, X., Yuan, G., et al. A dataset of groundwater level in Chinese Ecosystem Research Network (2005–2014) [J]. China Scientific Data, 2017, 1: 45-65.

数据下载:

序号 数据名 数据大小 操作
1 Oasis_GWSA_0.1deg2002-2023.x... 11269.27KB
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