Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 1
Articles | Volume 18, issue 1
https://doi.org/10.5194/essd-18-231-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-231-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 1
Data description article
 | 
09 Jan 2026
Data description article |  | 09 Jan 2026

Improved land mask for satellite remote sensing of oceans and inland waters

Karlis Mikelsons and Menghua Wang

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Short summary
This work provides an improved medium resolution (~ 250 m) global land/water mask derived from an earlier data set (https://doi.org/10.17632/9r93m9s7cw.1), and includes the recent changes in the environment, as well as fixes some artifacts in the earlier data set. It highlights the use of global medium resolution clear sky true and false color imagery to detect changes in global surface water coverage, and helps to improve satellite water color retrievals in many new and recent water bodies.
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