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Arctic
Global Scale
Data Details

Antarctic Ice Sheet Freeze-thaw Dataset (1999-2019)


LIU Yong1,2ZHOU Chunxia1,2ZHENG Lei1,2WANG Zemin1,2
1 Chinese Antarctic Center of Surveying and Mapping，Wuhan University，Wuhan 430079，China2 Key Laboratory of Polar Surveying and Mapping，Ministry of Natural Resources，Wuhan 430079，China

DOI:10.3974/geodb.2020.05.01.V1

Published:Aug. 2020

Visitors：3831       Data Files Downloaded：169      
Data Downloaded：5441.93 MB      Citations：

Key Words：

Antarctic ice sheet,snowmelt,data fusion,Journal of Global Change Data & Discovery,Global Ecosystem and Environment Observation Analysis Research Cooperation

Abstract：

The surface melting of Antarctic ice sheet (AIS) is a sensitive factor of global climate change, which has an important impact on the mass and energy balance of AIS. Antarctic ice sheet freeze-thaw dataset (1999-2019) was developed using the threshold and Categorical Triple Collocation (CTC) methods integrating with the data of SSM/I microwave radiometer, ASCAT microwave scatterometer and regional climate model (RACM02). The dataset is archived in .nc data format, the spatial resolution is 4.45 km and the temporal resolution is day. The data type of this dataset is integer, where 1 represents melting and - 1 represents freezing. The dataset consists of two data files with data size of 16.7 GB (compressed to one single file with 32.2 MB). The data paper will be published at the Journal of Global Change Data & Discovery, Vol. 4, No. 3, 2020.Browse

Foundation Item：

National Natural Science Foundation of China (41776200, 41941010)

Data Citation：

LIU Yong, ZHOU Chunxia, ZHENG Lei, WANG Zemin.Antarctic Ice Sheet Freeze-thaw Dataset (1999-2019)[J/DB/OL]. Digital Journal of Global Change Data Repository, 2020. https://doi.org/10.3974/geodb.2020.05.01.V1.

LIU Yong, ZHOU Chunxia, ZHENG Lei, et al. Surface freeze-thaw dataset development of the Antarctic Ice Sheet based on multisource data (1999-2019) [J]. Journal of Global Change Data & Discovery, 2020, 4(4): 325-331. https://doi.org/10.3974/geodp.2020.04.02.

Data Product:

ID Data Name Data Size Operation
0Datapaper_DailyMeltingAntarctic_1999-2019.pdf747.00kbDownLoad
1 DailyMeltingAntarctic_1999-2019.rar 32973.58KB
Co-Sponsors

Institute of Geographic Sciences and Natural Resources Research，Chinese Academy of Sciences

The Geographical Society of China

Parteners

Committee on Data for Science and Technology (CODATA) Task Group on Preservation of and Access to Scientific and Technical Data in/for/with Developing Countries (PASTD)

Jomo Kenyatta University of Agriculture and Technology

Digital Linchao GeoMuseum