Questions tagged [google-earth-engine]
Google's cloud computing platform for geospatial data & analysis at earthengine.google.com.
523
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Exporting each image from collection in Google Earth Engine
I am trying to export each image in a filtered stack of Sentinel-1 images and cannot seem to get it right.
Think link suggests using imageCollection.map() and a custom function (such as a geometric ...
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6
votes
1
answer
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Cloud mask in Surface Reflectance Landsat 8 test
I've noticed that my cloud mask wasn't working, so I've tried this simple test:
https://code.earthengine.google.com/50699c2eaa1a873ccd28f26c583c5a45
But my data uses the Surface Reflectance Landsat 8 ...
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11
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3
answers
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How to stack bands in Google Earth Engine?
I have created an Image collection in GEE and with the help of a function I have computed NDVI index and mapped it to create another collection with NDVI as a band.
Now I want the create a stacked ...
- 371
5
votes
2
answers
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Reduce image collection to get annual monthly sum precipitation
I'm using GRIDMET image collection in Google Earth Engine, which has daily climate data from ~1980 to present. I would like to create an image collection of monthly (May-September: each month) sum ...
- 451
25
votes
2
answers
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Mosaicking Image Collection by Date (day) in Google Earth Engine
I have an image collection of Sentinel-1 data over 3 years filtered by a region of interest that spans 3-4 tiles, and want to know the best way to mosaic all the images (tiles) that were taken on the ...
- 479
8
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1
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Iterating over years for features in feature collection using Google Earth Engine?
I am currently working with the Hansen data (Global Forest Change) in Earth Engine. I have also imported a fusion table representing districts in a specific country. My goal is as follows:
I would ...
- 137
7
votes
3
answers
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Filtering Landsat images base on cloud cover over region of interest
My goal is to create an image collection that has 100% free cloud over a small region of interest, for example a lake.
This script filters landsat 8 images based on location and cloud cover:
var ...
- 345
15
votes
2
answers
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Moving from Earth Engine image to array for use in sklearn
I've produced a very large multiband image in EE with the goal of classifying it using the classifiers implemented in sklearn (the native ones implemented in EE don't provide enough flexibility for my ...
- 579
13
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1
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Extracting pixel values by points and converting to table in Google Earth Engine?
I realise that this question has been asked before as Extract pixel values by points and convert to a table in Google Earth Engine at Stack Overflow. However, I can't get the code to work. It runs, ...
7
votes
2
answers
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Cloud mask for Landsat8 on Google Earth Engine
I'm creating a composite image, in order to create a timeseries. I've already created the composited image, but i am having difficulty masking the clouds of the composite image. I've followed the code ...
- 113
5
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2
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Writing code for monthly NDVI medians in Google Earth Engine?
My goal is to get monthly NDVI medians in Google Earth Engine. This helpful post got me started: reduce image collection to get annual monthly sum precipitation
However, I am using Landsat (not MODIS)...
- 513
4
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2
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Smoothing/interpolating across images in an ImageCollection to remove missing data
I have some code that is working properly to calculate the monthly NDVI averages for the previous two years from a date but I sometimes have missing data in some of the months and I would like to get ...
- 409
3
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1
answer
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Google Earth Engine: Export an entire collection
I would like to export all the images that the collection (code) contains. How can I do that?
var colection = ee.ImageCollection ("MODIS/NTSG/MOD16A2/105")
- 393
3
votes
2
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Making stack from many images in Google Earth Engine?
Using the code below, I've computed 20 ndvi images for modis data.
How can I stack and save them in a single file?
var mod13 = ee.ImageCollection("MODIS/006/MOD13Q1")
.filterBounds(geometry)
....
1
vote
1
answer
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Getting Temperature Data of Given Point Using MODIS LST Data?
I am trying to get MODIS satellite data with Google Earth Engine to find temperature data of given points on a map. I would like to get an array of all the points in an area (every 1km square in ...
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