Articles | Volume 11, issue 1
https://doi.org/10.5194/essd-11-189-2019
https://doi.org/10.5194/essd-11-189-2019
06 Feb 2019
 | 06 Feb 2019

Multi-source global wetland maps combining surface water imagery and groundwater constraints

Ardalan Tootchi, Anne Jost, and Agnès Ducharne

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Latest update: 21 Jun 2024
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Short summary
The role of wetlands at regional and global scales depends on their distribution and extent, which is highly uncertain in the literature. We developed comprehensive wetland maps using satellite imagery products and ground water modeling. These high-resolution maps encompass regularly flooded to non-flooded groundwater wetlands, covering more than 21 % of the land surface area, which is among the highest estimates. Wetlands are particularly concentrated over the tropics and northern cold zones.
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