![Tsinghua/DESS/ChinaTerraceMap/v1](https://developers.google.cn/earth-engine/datasets/images/Tsinghua/Tsinghua_DESS_ChinaTerraceMap_v1_sample.png?authuser=1)
- Dataset Availability
- 2018-01-01T00:00:00Z–2019-01-01T00:00:00Z
- Dataset Provider
- Department of Earth System Science, Tsinghua University (DESS, THU)
- Earth Engine Snippet
-
ee.Image("Tsinghua/DESS/ChinaTerraceMap/v1")
- Tags
Description
This dataset is a China terrace map at 30 m resolution in 2018. It was developed through supervised pixel-based classification using multisource and multi-temporal data based on the Google Earth Engine platform. The overall accuracy and kappa coefficient achieved 94% and 0.72, respectively. This first 30 m China terrace map can be used for studies on soil erosion, food security, biogeochemical cycle, biodiversity, and ecosystem service assessments.
Bands
Bands
Name | Pixel Size | Description |
---|---|---|
terrace |
30 meters | 1 when a terrace is present, 0 when it is not. |
terrace Class Table
Value | Color | Description |
---|---|---|
0 | #ffffff | No terraces |
1 | #a3ff74 | Terraces present |
Terms of Use
Terms of Use
Citations
Cao, B., Yu, L., Naipal, V., Ciais, P., Li, W., Zhao, Y., Wei, W., Chen, D., Liu, Z., and Gong, P.: A 30 m terrace mapping in China using Landsat 8 imagery and digital elevation model based on the Google Earth Engine, Earth Syst. Sci. Data, 13, 2437-2456, doi:10.5194/essd-13-2437-2021, 2021.
DOIs
Explore with Earth Engine
Code Editor (JavaScript)
var image = ee.Image('Tsinghua/DESS/ChinaTerraceMap/v1'); var image = image.updateMask(image); Map.addLayer(image, {min: 0, max: 1, palette: ['a3ff74']}, 'Terraces'); Map.setCenter(106.6, 30.4, 10); Map.setOptions('SATELLITE');