All Questions
Tagged with google-earth-engine sentinel-2
269
questions
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11
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No features in Sentinel 2 Level 2A Harmonized dataset
I am running into a problem I am trying to calculate MCARI and NDVI from the Sentinel 2 Level 2A dataset and it doesn't have any feature for the data range from 2017 to Dec 2018. Can anyone advise me ...
0
votes
1
answer
46
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Sentinel-2 QA60 band missing?
When performing cloud masking for Sentinel-2 images using QA60 band, I found that after February 2024, the QA bands of Sentinel-2 images are all "masked".
In this case, I can't perform cloud ...
1
vote
1
answer
36
views
GEE - Mean Cloudiness in a given time range, Sentinel producing multiple points for each day
I am trying to create a plot that represents mean cloudiness against day of year using Sentinel-2. As the plot shows, there are multiple points for a given day and it's very choppy. Should Sentinel be ...
- 11
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33
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Terrain and cloud correction for Sentinel-2
I want to filter out clouds and correct for terrain ruggedness in order to prep an image for a random forest model to create landclass raster files.
This is the code I wrote. When I run it, it seems ...
- 1
0
votes
1
answer
21
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Can't reduce EE Image Collection after a join
I'm trying to select Sentinel-2 (S2) images with less cloud probability inside my AOI (not on the whole scene).
So I followed the steps bellow:
I've generated an auxiliary feature, getting the mean ...
- 165
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0
answers
27
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Export every Sentinel 2 image over a region of interest, not just the median
I'm trying to export Sentinel 2 images over a region of interest from 2010 to 2020 and I require every image and not just the median.
I've tried using the following code :
var dataset = ee....
0
votes
1
answer
68
views
Using large datasets for training in Google Earth Engine
I created a training dataset using polygons outside of GEE and I want to use them now in GEE for a supervised classification in Sentinel-2 images.
However when I try to create training points from it ...
- 63
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43
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Export and download each Sentinel-2 satellite data by date from Google Earth Engine
I would like to download Sentinel-2 satellite data for the year from January 1, 2023 to December 31, 2023 from Google Earth Engine, respectively by date.
I've written and run the script below, and I ...
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0
answers
73
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Google Earth Engine SNIC segmentation reproject method
I am trying to do SNIC segmentation and then classification in Google Earth engine. My problem is that every time I change the zoom scale, it gives me a new result with a recalculation. For this I ...
- 13
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votes
0
answers
62
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GEE: out of memory
I am trying to run this code in GEE but I keep getting this error: Runtime: 33m (started 2024-03-03 15:08:13 +0100)
Attempted 5 times
Error: Execution failed; out of memory. (Error code: 8).
I ran it ...
0
votes
1
answer
86
views
Plotting Sentinel-2 Level-2A Scene Classification in GEE
I am interested to visualize the result of Scene Classification (SC) that is automatically performed during the production of level-2A products. I am using GEE.
I have read this page and this page and ...
0
votes
1
answer
31
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Trying to create mask to eliminate false NDVI numbers in GEE time series analysis using Sentinel data
It keeps given me the error that ndvi.gte is not a function, I shared my code below:
var images = sentinel.filter(ee.Filter.date(startDate,endDate)).filterBounds(geometry)
print(images);
var ndvi = ...
- 1
0
votes
2
answers
76
views
Remove null images in an Image Collection
This is the code to generate an 36 length imagecollection from 2020 up to 2022:
var months = ee.List.sequence(1, 12);
// Create an image collection for each month
var monthlyImageCollection = ee....
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votes
0
answers
121
views
Combining Sentinel-1 and Sentinel-2 for classification in GEE
I have Sentinel-1 data with VV and VH bands at a 10-meter resolution, while my Sentinel-2 data consists of 10 bands with a mix of 10-meter and 20-meter resolutions. I intend to utilize both Sentinel-1 ...
- 357
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81
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Atmospheric Correction of Sentinel 2 L1C images
I'm trying to perform Atmospheric Correction of Sentinel-2 LIC images using the repo of Elias Berra as suggested in the post Multiple atmospheric correction for Sentinel-2 L1C imagery in Google Earth ...
- 11