ETOPO1 is a 1 arc-minute global relief model of Earth's surface that integrates land topography and ocean bathymetry. It was built from numerous global and regional data sets. It contains two elevation bands: ice_surface and bedrock.
ETOPO1是一个1弧分的地球表面全球浮雕模型，整合了陆地地形和海洋测深。它是由许多全球和区域数据集建立的。它包含两个高程带：冰面和基岩。
Resolution
1855 meters
Bands Table
Name | Description | Min* | Max* | Units |
|---|---|---|---|---|
bedrock | Elevation at ground level and at the base of the Antarctic and Greenland ice sheets | -10898 | 8271 | Meters |
ice_surface | Elevation at ground level and at the top of the Antarctic and Greenland ice sheets | -10898 | 8271 | Meters |
* = Values are estimated
数据引用：
Amante, C. and B. W. Eakins, ETOPO1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis. NOAA Technical Memorandum NESDIS NGDC-24, 19 pp, March 2009.
ETOPO1 1 Arc-Minute Global Relief Model
代码：
代码语言：javascript复制var dataset = ee.Image('NOAA/NGDC/ETOPO1');
var elevation = dataset.select('bedrock');
var elevationVis = {
min: -7000.0,
max: 3000.0,
palette: ['011de2', 'afafaf', '3603ff', 'fff477', 'b42109'],
};
Map.setCenter(-37.62, 25.8, 2);
Map.addLayer(elevation, elevationVis, 'Elevation');
