Questions tagged [google-earth-engine]
Google's cloud computing platform for geospatial data & analysis at earthengine.google.com.
5,815 questions
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Calculate pairwise difference between neighboring pixels
I am trying to process an elevation image in GEE (JavaScript editor) to obtain the slope from the neighbors of a focal pixel to it. I want the slope from one specific pixel (e.g., up) to the focal one,...
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Time-series analysis of yearly NIRv values using "linearFit" function in Google Earth Engine
https://code.earthengine.google.com/6b8092646f132a13435cba982dccbb05
One goal is to create a chart of the change in NIRv vegetation index over. Another goal is to use the "linearFit" ...
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How to obtain a CSV file (feature collection) from a very large image in Google Earth Engine
I have a particularly large image (encompasses a large area at high resolution with 30 bands). I would like to have a CSV file with one pixel per 10km grid cell, and another CSV file with one pixel ...
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Cloud cover by region Landsat SR
For a Landsat SR time series, where I extract 4 pixels for 80 separate points, is it relevant to apply cloud cover filtering? Or could I just rely on cloud masking using QA_PIXEL? Also, is there any ...
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Error exporting GEE collection using geemap
I'm trying to use geemap's geemap.download_ee_image_collection to download 299 rasters to my local directory.
The code is:
import os
import ee
import geemap
ee.Authenticate()
ee.Initialize(project='...
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Google Earth Engine random forest classifier error [closed]
I'm trying to train a random forest classifier to define land cover classes in a small area of the UK coast. I'm using multiple images throughout 2024 and stacking them into one image as a makeshift ...
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How to count the number of last consecutive run of LULC class
I have an Image of LULC raster values where each band represents the classification for the years 2000-2023. I would like to count the last number of consecutive forest classifications (LULC code 3) ...
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Is Landsat TOA better for assessing land use changes or Landsat surface reflectance [closed]
I want the code to remove the hatched lines from Landsat 7 Collection 2 Level 2 image in Google Earth Engine.
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How to remove the lines that appear as hatches in Landsat 7 Collection 2 Level 2 in Google Earth Engine [duplicate]
How do I remove the lines that appear as hatches in Landsat 7 Collection 2 Level 2 in Google Earth Engine? I need the code in Google Earth Engine.
var dataset=ee.ImageCollection("LANDSAT/LC09/C02/...
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True pixel size of the GLOBathy raster dataset
I've been working with Google Earth Engine's GLOBathy raster dataset.
I would like to know the cell size of the GLOBathy raster dataset.
I've downloaded several lakes of interest (AOI) to calculate ...
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Earth Engine Error when exporting results of mapped reducers: Execution failed; out of memory
I am trying to do a couple of emissions calculations using functions that reduce imagery over a large number of features. I imported a land cover image collection and reclassified it into 4 classes. ...
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Create monthly mosaics across multiple years in Google Earth Engine
I am working on a project to create monthly mosaics of albedo over glaciers in Iceland which:
Loops through years 1984-2024
For each year, create monthly composites, ideally using .mosaic
Export the ...
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Accessing ERA5 Zarr data in Earth Engine
Just been experimenting with the new loadZarrV2Array function in Google Earth Engine to see if I can get access to ERA5 2m air temperature and other data held in the data buckets. The code is throwing ...
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Exporting Geemap Images to Colored KML Polygon
I've been working on a geemap project in Python where one of the requirements is to export an image to a GIS readable file. I've been trying KML, but I'm sure others would work fine.
What I've been ...
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How to filter Sentinel-1 SAR data by orbit direction and polarization in Earth Engine
I'm working with Sentinel-1 SAR data on Google Earth Engine and trying to create a clean ImageCollection filtered by the following criteria:
Instrument mode: IW
Polarization: VV
Orbit direction: ...
