Questions tagged [sentinel]

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Sentinel 3 data changes in Google Earth Engine platform since 2021

For calculating Cl-a in lake waters, I'm using three bands of Sentinel-3; one of them is band 10 (Oa10_radiance). Since 2021, the values of this band and band #1 contain nonsense, very low negative ...
Oleksandr's user avatar
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28 views

NDVI temporal analysis error in Sentinel

I need to do a temporal analysis of NDVI with Sentinel images from 2019 to 2023, using monthly composites and extract the NDVI value for random points created. However, it is generating empty data. ...
Paula Duarte's user avatar
1 vote
2 answers
132 views

WinError 10060 - sentinelsat library on python

I use sentinelsat library in python for some period of time without any problem at the company I work on. Suddenly, I got the following error that I have attached below. I have written a simple script ...
Ilias Machairas's user avatar
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0 answers
7 views

Export Sentinel RGB Image openable in Google Earth Pro

I'm trying to export a Sentinel RGB Image to open in Google Earth Pro. The resulting GeoTIFF image opens OK in QGIS but it shows blank when opening in Google Earth Pro. Does anyone knows how to ...
Leo's user avatar
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1 answer
147 views

Error when trying to collocating Sentinel 2 and Sentinel 1 Imageries in Google Earth Engine

I am trying to collocate Sentinel 1 and Sentinel 2 images for supervised classification in Google Earth Engine. Synergistic use of optical and SAR images. I am trying this code: // Load Sentinel-1 and ...
Sakib Rahman Siddique Shuvo's user avatar
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0 answers
84 views

Data column(s) for axis #0 cannot be of type string

I am trying to calculate NDVI using Sentinel 1, but when I tried to make a chart of it, this error is coming. Error, "Error generating chart: Data column(s) for axis #0 cannot be of type string&...
Muhammad Waqas's user avatar
0 votes
1 answer
89 views

Extract monthly NDVI (GEE)

I am currently writing code to extract a monthly NDVI for a specific polygon. I got the following code from a YouTube Tutorial and adapted it to my region and sensor. But it gets me the issue: roi....
JulianH's user avatar
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1 answer
177 views

Error in .local(x, ..., value) : unused argument (warn = FALSE) when trying to plot rasterdata

I am trying to plot some Sentinel 2 Tif Data. > library(raster) > > # Sentinel 2 Raster Data > S2_2017_05_B04 <- raster('C:/Users/leona/Desktop/S2/S2_2017_05_B04.tif') > ...
Pebble's user avatar
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2 votes
1 answer
297 views

Clipping in/with Sentinel Hub API

Is it possible clipping a Sentinel-2 image from Sentinel Hub with circular boundaries? In Sentinel Hub documentation, I only found support to Bound Box (BBox) AOI that close an image in a retangular ...
Caio Diaz's user avatar
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0 answers
121 views

Cropping TIFF images based on imported KML file and tiling grid system of Sentinel 2 satellite imagery in Python

I have some .jp2 formatted satellite images (ex. T42UWF_20220714T063641_B04.jp2) which have a resolution of (10980x10980). I import Sentinel-2 Level 1C tiling grid system .KML file and manually ...
Yerlan Amir's user avatar
1 vote
1 answer
108 views

Problem with Atmospheric Correction for Sentinel-2 in QGIS

This is my first time trying to use DOS1 method in Sentinel-2 I have four images to mosaic in L1C and need them to be L2A. I have tried: Atmospheric correction in QGIS at the L1C files I downloaded ...
Mariana's user avatar
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0 answers
113 views

Lack of data from Sentinel 2 over part of the territory until 2019

When searching for Sentinel images, I couldn't find some of the images from 2017-2018. With what it can be connected? I've tried various methods, creating an image with both mosaic() and median(), but ...
Kirill's user avatar
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1 vote
1 answer
198 views

(GEE) Error generating chart: No features contain non-null values of "system:time_start". chart is not generated

I cannot generate a chart, first the error was about reduce region now it is no features containing non-null. //source; https://www.geo.fu-berlin.de/en/v/geo-it/gee/2-monitoring-ndvi-nbr/2-2-...
N_LLC's user avatar
  • 615
1 vote
1 answer
67 views

Extrapolate the mask of a band to make calculations in other bands with masked pixels in GEE

I am working with sentinel 2 images in Google earth engine and I have implemented the formula to calculate the EVI and I have added it as a band (in the collection). I know there is a way to implement ...
Camila's user avatar
  • 11
2 votes
0 answers
104 views

Finding SOC (Soil Organic Carbon) index using Sentinel 2 (L2A)

I am currently working on a project to find SOC (Soil organic carbon) using satellite imaging from Sentinel 2 L2A. Is there any way for calculating soil organic carbon index using the Sentinel L2A's ...
M Bilal Ayaz's user avatar
1 vote
3 answers
684 views

Retrieving corresponding cloud mask for Sentinel-2

I am processing 2A -level Sentinel2 products (directly from Copernicus using the sentinelsat package in Python). Some of them contain clouds, and I want to mask those clouds. Since the cloud masks in ...
TheBackwardsman's user avatar
2 votes
1 answer
373 views

Merge Sentinel images in QGIS

I have two Sentinel scenes that I would like to stich together. I successfully tried the QGIS merge tool. However the seams are very visible and the data ranges also do not seem to be correct. What ...
isabel_wa's user avatar
0 votes
1 answer
153 views

Using time series NDVI from Sentinel-2 L1C (TOA) product

I am working on getting time series NDVI data from Sentinel-2 L1C, since it is available before Sentinel-2 L2A. Is it ok to use L1C product or I need to use L2A to develop time series NDVI?
Moshiur Rahman's user avatar
0 votes
1 answer
274 views

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 ...
Simba06's user avatar
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69 views

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 (...
Kachra Dabba's user avatar
0 votes
1 answer
130 views

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: ...
Lorena Caiza Morales's user avatar
0 votes
1 answer
345 views

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 ...
Aiswarya's user avatar
1 vote
1 answer
2k views

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 ...
Fakhar Elahi's user avatar
0 votes
1 answer
1k views

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('...
Fakhar Elahi's user avatar
0 votes
1 answer
96 views

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 ...
pesekon2's user avatar
  • 111
0 votes
1 answer
300 views

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, ...
madeofstardust's user avatar
1 vote
1 answer
505 views

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 ...
zabop's user avatar
  • 1,810
10 votes
2 answers
2k views

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 ...
zabop's user avatar
  • 1,810
1 vote
1 answer
390 views

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') ....
María's user avatar
  • 15
1 vote
1 answer
269 views

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, ...
Labguyvancouver's user avatar
1 vote
0 answers
180 views

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='...
Labguyvancouver's user avatar
0 votes
1 answer
636 views

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 ...
ArashMad's user avatar
  • 655
0 votes
0 answers
51 views

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 ...
Jean-michel Lao's user avatar
1 vote
3 answers
4k views

Opening Sentinel 2 data with Python [closed]

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 ...
GlenS's user avatar
  • 519
5 votes
1 answer
2k views

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 ...
José Manuel Izquierdo Segovia's user avatar
2 votes
1 answer
1k views

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 ...
TheOGMalan's user avatar
1 vote
1 answer
369 views

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 = ...
Robbie Mallett's user avatar
1 vote
0 answers
343 views

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 ...
questionqueen's user avatar
2 votes
2 answers
4k views

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 ...
Monica Quezada's user avatar
0 votes
0 answers
25 views

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 ...
Jacob's user avatar
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1 vote
1 answer
481 views

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"....
Piskota's user avatar
  • 15
1 vote
1 answer
2k views

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 ...
Pratyush Kumar's user avatar
0 votes
2 answers
496 views

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 ...
Sahar Attia's user avatar
0 votes
1 answer
109 views

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 ...
Maarten Meijer's user avatar
1 vote
0 answers
382 views

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 ...
Emtomp's user avatar
  • 543
1 vote
1 answer
119 views

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 ...
Robert Buckley's user avatar
1 vote
1 answer
2k views

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? ...
Johny Astine's user avatar
2 votes
2 answers
514 views

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 ...
David B's user avatar
  • 53
4 votes
1 answer
1k views

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 ...
Megan Critchley's user avatar
0 votes
1 answer
275 views

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 ...
Avril's user avatar
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