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Data Details

Spatial Dataset of Global Oasis Cold Island Intensity (2020)


CUI Bochao1,5GUI Dongwei2LIU Qi3ABD-ELMABOD Sameh Kotb1,4JIN Qian1LIU Yunfei1GOETHALS Peter5FORIO Marie Anne Eurie5DE MAEYER Philippe6
1 State Key Laboratory of Desert and Oasis Ecology，Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands，Xinjiang Institute of Ecology and Geography，Chinese Academy of Sciences，Urumqi，Xinjiang 830011，China2 Xinjiang Technical Institute of Physics and Chemistry，Chinese Academy of Sciences，Urumqi 830011，China3 Biological and Environmental Science and Engineering Division，King Abdullah University of Science and Technology，Thuwal 23955，Saudi Arabia4 Soils and Water Use Department，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.2026.04.10.V1

Published:Apr. 2026

Visitors：22       Data Files Downloaded：0      
Data Downloaded： 无      Citations：

Key Words：

Global oases,arid region,cold island effect,summer 2020,surface temperature

Abstract：

The authors used the Google Earth Engine platform and the MODIS MOD11A1 Version 6.1 daily land surface temperature product in 2020 to investigate 618 isolated oases across the world’s drylands. Summer mean land surface temperatures were extracted for both the interior of each oasis and the surrounding desert within a 10 km buffer zone. For oases in the Northern Hemisphere, the summer period was defined as June to August 2020, while for oases in the Southern Hemisphere, it was defined as December 2019 to February 2020. The oasis cold island intensity was then calculated using the formula OCI = T_desert − T_oasis. Finally, a spatial dataset of global oasis cold island intensity (2020) was obtained, containing the OCI values and related information for 618 isolated oasis samples. The dataset includes the longitude (°) and latitude (°) of the 618 isolated oasis samples, the mean land surface temperature of the surrounding desert (K), the mean land surface temperature of the oasis (K), and the oasis cold island intensity (°C). OCI > 0 indicates that the oasis land surface temperature is lower than that of the surrounding desert, representing a cold island effect, whereas OCI < 0 indicates that the oasis land surface temperature is higher than that of the surrounding desert, representing a heat island characteristic. The dataset is archived in .shp and .xlsx formats, and consists of 8 data files with data size of 119 KB (compressed into one file with 74.2 KB).

Foundation Item：

Xinjiang Uygur Autonomous Region (2023TSYCLJ0049); National Natural Science Foundation of China (42361144792, 42171042, 42307600)

Data Citation：

CUI Bochao, GUI Dongwei, LIU Qi, AB, JIN Qian, LIU Yunfei, GOETHALS Peter, FORIO Marie Anne Eurie, DE MAEYER Philippe. Spatial Dataset of Global Oasis Cold Island Intensity (2020)[J/DB/OL]. Digital Journal of Global Change Data Repository, 2026. https://doi.org/10.3974/geodb.2026.04.10.V1.
.

References：


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     [4] Cui, B. C., Gui, D. W., Liu, Q., et al. Distribution and Growth Drivers of Oases at a Global Scale [J]. Earths Future, 2024b, 12.
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     [6] Hao, X. M., Sun, F., Zhang, J. J., et al. Vapor pressure deficit governs oasis cooling efficiency and drought intensified water-heat tradeoffs in arid regions [J]. Journal of Hydrology, 2025, 661.
     [7] Hesselbarth, M. H. K., Sciaini, M., With, K. A., et al. landscapemetrics: an open-source R tool to calculate landscape metrics [J]. Ecography, 2019, 42: 1648-1657.
     [8] Li, X., Yang, K., Zhou, Y. Z. Progress in the study of oasis-desert interactions [J]. Agricultural and Forest Meteorology, 2016, 230: 1-7.
     [9] Li, Y. X., Svenning, J. C., Zhou, W. Q., et al. Green spaces provide substantial but unequal urban cooling globally [J]. Nature Communications, 2024, 15.
     [10] 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.
     [11] NASA JPL. NASADEM Merged DEM Global 1 arc second V001 [M]. NASA Land Processes Distributed Active Archive Center, 2020.
     [12] Wan, Z. M. New refinements and validation of the collection-6 MODIS land-surface temperature/emissivity product [J]. Remote Sensing of Environment, 2014, 140: 36-45.
     [13] Wang, S. S., Zhan, W. F., Zhou, B. B., et al. Dual impact of global urban overheating on mortality [J]. Nature Climate Change, 2025, 15: 497-504.
     [14] Yang, M., Ren, C., Wang, H. R., et al. Mitigating urban heat island through neighboring rural land cover [J]. Nature Cities, 2024, 1.
     [15] Zhang, X., Zhao, T. T., Xu, H., et al. GLC_FCS30D: the first global 30 m land-cover dynamics monitoring product with a fine classification system for the period from 1985 to 2022 generated using dense-time-series Landsat imagery and the continuous change-detection method [J]. Earth System Science Data, 2024, 16: 1353-1381.

Data Product:

ID Data Name Data Size Operation
1 GOCI2020.rar 74.30KB
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