Articles | Volume 19, issue 9
https://doi.org/10.5194/tc-19-3553-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-3553-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 Sep 2025
Research article |
| 08 Sep 2025
| 08 Sep 2025
Enhanced MODIS-derived ice physical properties within the Common Land Model (CoLM) revealing bare-ice–snow albedo feedback over Greenland
Shuyang Guo
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Atmospheric Science, Sun Yat-sen University, Zhuhai, China
Yongjiu Dai
CORRESPONDING AUTHOR
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Atmospheric Science, Sun Yat-sen University, Zhuhai, China
Hua Yuan
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Atmospheric Science, Sun Yat-sen University, Zhuhai, China
Hongbin Liang
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Atmospheric Science, Sun Yat-sen University, Zhuhai, China
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Most existing building height products are limited with respect to either spatial resolution or coverage, not to mention the spatial heterogeneity introduced by global building forms. Using Earth Observation (EO) datasets for 2020, we developed a global height dataset at the individual building scale. The dataset provides spatially explicit information on 3D building morphology, supporting both macro- and microanalysis of urban areas.
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Short summary
The Snow, Ice, and Aerosol Radiation Model version 4 has only been used to evaluate bare-ice albedo in land surface models, with necessary ice property data lacking quality control. We integrated this model into our land surface model and improved bare-ice properties using quality-controlled satellite data. Our findings show regional warming and reduced snow cover in Greenland’s bare-ice region, driven by changes in bare-ice properties through bare-ice–snow albedo feedback.
The Snow, Ice, and Aerosol Radiation Model version 4 has only been used to evaluate bare-ice...
