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如何本地运行Google Earth Engine脚本并导出结果至本地文件系统?

问题:本地运行GEE脚本并将CSV保存到本地文件系统

我是Google Earth Engine(GEE)新手,一直使用GEE代码编辑器编写并运行脚本,但这种方式无法扩展。我现有一段获取指定区域降水数据并导出为.csv文件至Google Drive的脚本,想了解是否可以本地运行该脚本,且将.csv输出文件保存至本地文件系统(若此方式更简便)。

原脚本

var grids = ee.FeatureCollection("users/ramaraja/grids");

var gridCode = 13885;
var grid_13885 = grids.filter(ee.Filter.eq('GRIDCODE',gridCode));

var chirps2021_1 = ee.ImageCollection('UCSB-CHG/CHIRPS/PENTAD')
            .filterDate('2021-01-01', '2021-02-28')
            .filter(ee.Filter.calendarRange(1,2,'month'))
            .filterBounds(grid_13885);

var chirps2021_1_sum = ee.Image(chirps2021_1.sum())

var chirps2021_1_sum_13885 = chirps2021_1_sum.clip(grid_13885);

var precipitationVis = {
  min: 0.0,
  max: 112.0,
  palette: ['001137', '0aab1e', 'e7eb05', 'ff4a2d', 'e90000'],
};

Map.addLayer(chirps2021_1_sum_13885, precipitationVis, "Sum January & February 2021 Precipitation", true, 1.0);

Map.centerObject(grid_13885, 0);

var pixels = chirps2021_1_sum_13885.multiply(10).toInt().reduceToVectors({
  reducer:ee.Reducer.countEvery(),
  geometry: grid_13885,
  scale: 5566,
  geometryType: 'centroid',
  labelProperty: 'precipitation',
  });

var proj = chirps2021_1_sum_13885.select([0]).projection()
var latlon = ee.Image.pixelLonLat()
chirps2021_1_sum_13885 = chirps2021_1_sum_13885.addBands(latlon.select('longitude','latitude'))

pixels=chirps2021_1_sum_13885.select('longitude').reduceRegions(pixels, ee.Reducer.first().setOutputs(['long']), 25)
pixels=chirps2021_1_sum_13885.select('latitude').reduceRegions(pixels, ee.Reducer.first().setOutputs(['lat']), 25);
pixels=chirps2021_1_sum_13885.select('precipitation').reduceRegions(pixels, ee.Reducer.first().setOutputs(['precipitation']), 25);

Map.addLayer(pixels,{}, 'grids')

Export.table.toDrive({
  collection: pixels,
  description: 'grid_13885',
  selectors: ['system:index','precipitation','lat','long',],
  fileFormat: 'CSV'
});

输出可视化效果

输出可视化效果

备注

资产users/ramaraja/grids是我上传至Google Earth Engine的shapefile。


内容的提问来源于stack exchange,提问作者Ramaraja

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最近更新时间:2026.07.17 00:13:15