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Google Earth Engine: exportar valores como csv desde imágenes

Me gustaría descargar datos de series temporales de Google Earth Engine (GEE). Primero filtro la fecha de la colección de imágenes. Debido a que solo estoy interesado en el valor de dos ubicaciones, uso reduceRegion() para cada imagen de la colección e intento devolver el valor de temperatura en las dos ubicaciones. Finalmente, uso Export.table.toDrive() para exportar los datos. Sin embargo, solo puedo ver metadatos pero los valores.

 var dataset = ee.ImageCollection("ECMWF/ERA5_LAND/HOURLY") .filterDate('2020-07-01', '2020-12-03'); var locs = ee.FeatureCollection([ ee.Feature(ee.Geometry.Point([25.00033117429692, 121.59054455263632])), ee.Feature(ee.Geometry.Point([25.085598501659337, 121.60556252402378])) ]); var timeSeries = ee.FeatureCollection(dataset.map(function(image) { var stats = image.reduceRegion({ reducer: ee.Reducer.mean(), geometry: locs.geometry(), scale: 100, maxPixels: 10000 }) var era5 = ee.List([stats.get('temperature_2m'), -9999]) .reduce(ee.Reducer.firstNonNull()) var f = ee.Feature(null, {'temperature_2m': era5, 'date': ee.Date(image.get('system:time_start')).format('YYYY-MM-dd')}) return f })) Export.table.toDrive({ collection: timeSeries, description: 'Temperature', folder: 'GEE', fileNamePrefix: 'ERA5-temp-tpe', fileFormat: 'CSV' })
about 4 years ago · Juan Pablo Isaza
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