CHINA Chinese institute launches wetland mapping dataset of high-spatial resolution

CHINA

Chinese institute launches wetland mapping dataset of high-spatial resolution

Xinhua

16:58, October 14, 2020


A view of Yeyahu National Wetland Park in Beijing, Oct 5. (Photo: China Daily)

BEIJING - Chinese researchers have generated a wetland dataset of 2015 with a spatial distribution of 30 meters resolution, and made it available for free.

High-resolution and large-scale mapping of the wetland is difficult since its spectral and spatial characteristics are complicated and changeable.

However, researchers from the Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, combined meteorological, topographical, vegetation and water body distribution data, with the overall classification accuracy exceeding 92 percent.

They classified the wetland at a national scale and achieved the spatial distribution dataset of the country's vegetated wetlands, mangrove forests and coastal aquaculture ponds of 2015.

The wetland dataset, available at the National Earth System Science Data Center, will help in the efficient management and protection of China's wetland ecosystem as well as invasive species control, and support wetland restoration.

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