Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 11, issue 1
Articles | Volume 11, issue 1
https://doi.org/10.5194/essd-11-189-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-11-189-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 1
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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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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