Questions tagged [sentinel]
The sentinel tag has no usage guidance.
42
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Missing tiles in Sentinel 1 data
I am working with VV/VH Sentinel 1 descending data in Google Earth Engine but there are large areas misisng as shown in the screenshot below. The image indicates the mean data from 1-31 August. The ...
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Resample all bands of sentinel image collection to 10 m [closed]
Sentinel bands have a different spatial resolutions (10m, 20m, 60m). I am trying to compute mNDWI (green - swir)/(green+swir). the problem is the two bands in all image collections have different ...
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24
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Sentinel-1 No products found - Looking for alternatives
I'm interested in doing flood mapping for a specific region, using SAR images from before and after the event.
However, Sentinel-1 images are missing for this region (no products for more than 8+ ...
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97
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NDWI for Sentinel 2 images containing clouds
I need some advice regarding NDWI and Sentinel 2 images containing clouds.
I need to apply NDWI to a Sentinel 2 image (S2B_MSIL2A) captured the next day of a weather event. In order to achieve it, I ...
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29
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DEM from Sentinel 1 C-band SAR
I have been using the standard protocol (ESA/ASF) to generate DEMs (actually DSM which is what S1 C-band gives) from Sentinel-1 C-Band SAR tiles. My locations are in the Eastern Himalayan foothills (...
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44
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Excluding images S2 that are not complete in Google Earth Engine
I work in a place where need to use several images S2, I have some images like a triangle, I know it's because of the orbit but how can I exclude them from my collection?
This is a example ID: ...
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103
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How to obtain the daily Temporal variation chart using Sentinel 5p methane
I want to generate the daily temporal variation chart of methane concentration over India for the years 2019, 2020, 2021 and 2022. The average methane values for a single day, say, 1st January is to ...
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465
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Mapped function's arguments cannot be used in client-side operations
I am trying the below code to perform spectral dilation in GEE but gives me an error:
spectral dilation: Layer error: A mapped function's arguments cannot
be used in client-side operations
The code ...
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264
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How to Export latitude and longitude of ROI from Google Earth Engine
I want to export the latitude and longitude values as a CSV file from GEE. I tried the below code, but this code gives me round off values of the coordinates
var sentImage = ee.ImageCollection('...
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70
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Solving the error << TqdmKeyError: "Unknown argument(s): {'delay': 2}" >> when downloading Sentinel data using the sentinelsat API in Python
I am trying to download Sentinel-3 data using the Sentinelsat API for Python. When running the code, I am getting the following error:
TqdmKeyError("Unknown argument(s): " + str(kwargs)))
...
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23
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SentinelHub: Failed to create layer
I installed plugin from SentinelHub, and logged in. But when I want to create a new layer, it shows "SentinelHub: Failed to create layer Sentinel-2 - L1C - SWIR (WMS, 2021-11-05, 100%, mostRecent,...
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51
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sen2cor failing with "TCI image export failed"
I'm trying to calibrate some Sentinel L1C products to get level 2 data, but I always end up with the following message. Any idea what could cause that?
I have tested it with sen2cor 2.8.0 and sen2cor ...
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145
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SentinelHub WebFeatureService - finding the right tile from coordinates
I'm trying to obtain satellite data for given coordinates by AWS, following tutorial here:
https://sentinelhub-py.readthedocs.io/en/latest/examples/aws_request.html
What I'm getting is multiple tiles, ...
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151
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How to read in polygonal section of a GeoTIFF
Here is a link to an example cloud-optimized GeoTIFF:
https://copernicus-dem-30m.s3.amazonaws.com/Copernicus_DSM_COG_10_N08_00_W068_00_DEM/Copernicus_DSM_COG_10_N08_00_W068_00_DEM.tif
I assign this ...
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745
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How to retrieve Sentinel images without significant cloud coverage using Python
Background
I am trying to retrieve images of certain areas. My aim is to get images without much cloud on them. I would like to specify the percentage of pixels with clouds on them.
What I am doing ...
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149
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Stacking Landsat band in Sentinel collection using Google Earth Engine JavaScript API
I have worked on the following code to obtain a fusion of both sensors but when I generate it I get Landsat as an additional property, what can I do?
var s2 = ee.ImageCollection('COPERNICUS/S2')
....
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37
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Batch downloading 'offline' Sentinel products
I'm trying to download a 5 year timeseries for Canada of Sentinel 3 SLSTR LST data.
Most of the data is stored 'offline' and has to be restored/ordered. However, it is limiting me to 20 scenes or so, ...
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90
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Sentinel 3 SLSTR data via Sentinelsat?
Im trying to query for Sentinel 3 SLSTR products using Sentinelsat as follow:
products = api.query(footprint,
date=('20200101', '20201201'),
platformname='...
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218
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Problem in downloading specific bands of one Sentinel product
I'm working on developing software through it user can upload a .shp file containing some areas and see the NDVI as a WMS layer on map. To achieve this, at first step, after uploading spatial data by ...
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32
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How to use disk files to replace memfile?
I am trying to collect Sentinel images and compute their NDVI which is done quite simply.
However, I need to check determine all shapely multipolygons and map a NDVI value for each.
I've decided to ...
1
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2
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Best practice for opening Sentinel 2 data with Python
I'm just trying to learn how to process Sentinel 2 data with Python. All of the tutorials seem to use the data in GeoTIFF format. So I opened the data with SNAP and tried to export as a GeoTIFF but it ...
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Temperature using Sentinel 3 in Google Earth Engine
I am trying to find information on how to obtain surface temperature layers - LST - from Sentinel 3 on Google Earth Engine but I am not getting anywhere. Is there any method to do it?
The Sentinel 3 ...
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537
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Georeferencing Sentinel-3 LST product
I have been stuck attempting to convert Sentinel-3 LST netCDF data to geotiffs for a while now as part of my master's thesis.
Firstly, an introduction to the data. It is packaged as follow:
The data ...
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231
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Sentinel-1 radar data all zeros with Python SentinelHub API
I am requesting Sentinel-1 SAR data but rather than throwing an error the code is just returning zeros.
My request:
bbox = BBox([-145.8, 60.96, -146.5, 61.38], crs=CRS.WGS84)
bbox_size = ...
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221
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Mean monthly NDVI from Sentinel to CSV-files
I am trying to create monthly NDVI maps from Sentinel in Google Earth Engine. The script that I'm using is from things I gathered around the internet. When I try to download this to a CSV-file, I get ...
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2
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2k
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Calculating EVI in Sentinel 2-2A
I am trying to calculate EVI for a Sentinel 2 Level 2A image collection. I have applied the Sentinel cloud mask provided by GEE but am not sure I am applying EVI correctly because my range is not ...
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22
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Seeking Moderate to High Resolution Forest Fire Before and After Images
I'm trying to search through the moderate to high-resolution satellite image data sets for imaging that shows forests both before and after a forest fire in order to assess the burn severity and the ...
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277
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Authentification failed when using SentinelHub Plugin in QGIS
I downloaded SentinelHub v2 plugin into QGIS 3.14.
When I want to log in with my ID (from SentinelHub / Configuration Utility / ID) it says "Authentification failed, check your credentials"....
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Rasterio: select subset of georeferenced image by lop left coordinates and height, width
I want to subset a 10m sentinel dataset using rasterio window modul.
I have tried using the window = from_bounds(...) part in .read() however it requires for me to put in the left top right bottom ...
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2
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319
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Sentinel-3 single image per day
I have created a list of dates from which I would like to get Sentinel3 images, only to find that I have multiple images per day.
How can I reduce it to 1 image per day?
I intend to do use median for ...
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86
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Seeking Sentinel L1C images (.SAFE) from 2015-2019 since no longer available on Copernicus Open Access Hub
I am looking for Sentinel images from before 2019 in L1C quality and .SAFE format, as I want to correct them with sen2cor in SNAP to convert them to L2A quality.
Where can I find them now that they ...
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329
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Is sen2cor available as a Python library or can it only be used through the command line?
I am looking to correct older Sentinel 2 data to have BOA reflection and would like it to be part of a Python script (I'm working in Windows), but looking online it seems that you can only run sen2cor ...
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97
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How to identify landuse change with Sentinel data - specifically grassland/woodland to arable cropland changes
I have an assignment to assess whether it is viable to use sentinel data to monitor illegal changes of landuse from Grassland/Woodland to arable cropland.
This is the first time my environmental ...
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Max Pixel Value Error in Google Earth Engine
I've written below code in Google Earth Engine for carbon monthly product from sentinel-5 but when I click on the run button for save in Google drive, it shows error. How can I solve this problem?
...
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334
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Manipulating Sentinel-1 SAR Imagery to get Pixel Information
For S1 SAR imagery data, how would I go about accessing the data of individual pixels? I need to analyze pixel intensity based on their lat and lon coordinates. I know this information is viewable in ...
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729
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Satellite image disappearing when zooming in
I'm trying to get a satellite image using the SentinelHub plug in.
This works, however, when I zoom in to make my other layers clearer (roads etc.) the satellite image disappears and the background ...
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154
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Calibration annotation data for Sentinel-1 images downloaded from Sentinel Hub?
I received some Sentinel-1 tiff images that were downloaded via the WCS service, so they're just the tiff files, not the full SAFE-format products. They're for the IW GRD product, and my ...
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250
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Sentinelsat: Error trying to download from Norweigan mirror colhub.met.no
I am trying to download the Sentinel 2 images over an area of Western Norway. Since the ESA archive is very slow, I am trying to use the Norwegian mirror for Sentinel instead (https://colhub.met.no/#/...
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574
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How to download tile from Amazon’s Sentinel-2 service
How do I access Sentinel-2 imagery via Amazon?
I'm new to GIS and have been relying on USGS earth explorer and EO Browser but would now like to access satellite imagery with higher resolution. I ...
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616
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Storing image with rasterio as gtiff modifies image histogram
I'm trying to store and image as as gtiff, but the resulting image is changed, and I can't explain why.
I'm reading sentinel jp2 band images using rasterio, I rescale these images from [0-10.000] to [...
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511
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Running script with Sentinel 2 images?
How can run this script with Sentinel 2 images?
// Use a DateSlider to create annual composites of this collection.
var collection = ee.ImageCollection('LANDSAT/LC08/C01/T1');
// Use the start of the ...
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231
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How to correct depth values with tide data? [closed]
We are trying to derive bathymetry using sentinel images using QGis 2.18.
The training data is from a boat gps track taken in 2 days. The depth value captured needs to be corrected for tidal ...
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