Questions tagged [esa]

ESA is an abbreviation for the European Space Agency

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Transforming categorical land use raster to raster with continuous values

I would like to transform categorical land use rasters from ESA CCI (http://maps.elie.ucl.ac.be/CCI/viewer/download.php) to rasters with continuous values (% of cover of each land use class in each ...
c roc's user avatar
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Definitions of the KML folders for the Sentinel 2 data acquisition plans

I'm trying to plan a HABs study and part of that requires pairing in-situ data with sentinel 2A and 2B imagery. I was trying to look at the acquisition plan to get future dates. I downloaded the KML ...
Ike's user avatar
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Less data from Sentinel 1B

I am trying to access Sentinel 1 data from Google Earth Engine. For my study area which is a part of the Himalayan region I am getting only few data from Sentinel 1B for the year 2019 and I am not ...
Chandra Prabha's user avatar
2 votes
2 answers
2k views

Opening a Sentinel-2 image downloaded from esa scihub in QGIS

How do I open a Sentinel-2 image that I downloaded from ESA's scihub? I usually use a geotiff product but I can't find one.
Leila Micahella Cruz's user avatar
1 vote
1 answer
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Removal of location names

I am using the FireCCI51: MODIS Fire_cci Burned Area Pixel Product, Version 5.1 dataset on Google Earth Engine and wondered whether there was a way of removing place names from my image or overlaying ...
Beth's user avatar
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Why are there no Sentinel-2 images in northern latitudes from November to January?

I have found that there are no Sentinel-2 images in northern latitudes from November through January (near 64.11837149, 67.75836280 coordinates). Number of scenes around the point with coordinates 64....
Comrade Che's user avatar
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1 answer
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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, ...
Labguyvancouver's user avatar
2 votes
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How to aggregate multiple NC files into gridded data

I would like to convert daily total NO2 column data into an aggregate form similar to the monthly mean tropospheric NO2 columns on said website in order to later extract statistics using shapefile(s), ...
Nicholas L's user avatar
2 votes
1 answer
354 views

Sentinel-3 scaling factor in Google Earth Engine

Does anybody know how to use the scaling factors from Google Earth Engine with Sentinel-3 dataset? The band values provided in ee.ImageCollection("COPERNICUS/S3/OLCI" by default (GEE, orange)...
Egor Prikaziuk's user avatar
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How can I know which Sentinel Tile is further north?

Sentinel divides the planet surface into tiles, represented in the figure below. I was wondering if there is a programmatic way to compare two of those tile ids and "calculate" which is ...
Ruben Silva's user avatar
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Projects using compatible Sentinel-2 and Landsat-8 reflectance data

Right from the beginning on the Senintel-2 Satellites were constructed to harmonize with the Landsat-8 products in terms of their spatial and spectral capabilities. What I wonder is, if there are ...
Lenn's user avatar
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SAR calculating distance between 2 points

I am playing around with ESA's SNAP software and Sentinel-1 data and I was curios if it is possible to measure the ground distance between 2 points in a radar image. For example let's say that I am ...
Slav's user avatar
  • 151
4 votes
1 answer
274 views

Sentinel-1a real azimuth resolution

I was exploring this satellite's payload characteristics on ESA's website and I saw that it's azimuth resolution varies a lot. For example azimuth resolution for IW mode is 22m (https://sentinel.esa....
Slav's user avatar
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2 votes
2 answers
336 views

Which time format does ESA use for Sentinel-3 file names?

regarding the ESA Sentinel-3 file name convention I have got a question; which time zone (GMT, CEST, ...) does ESA use? I could not find anything yet, even it should be a critical point for many users....
ExploreR's user avatar
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Reprojection problem in SNAP (ESA)

I am trying to do a RBR (Relative Burn Ratio) and for this, I am using two Sentinel 2 L2A images (before and after the fire). The native CRS of the data is EPSG:32634 - WGS 84 / UTM zone 34N - ...
onemindwork's user avatar
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Limit to download images from Open Access Hub [closed]

I am running a code https://github.com/diogocaribe/harpia/blob/dev/app/SentinelDownloadTile.py to download all files of Sentinel 2 from my area of interest. However, now a days the download doesn't ...
Diogo Caribé's user avatar
1 vote
1 answer
261 views

Which version of Sen2Cor is used by the ESA?

I'm trying to find out which version of the Sen2Cor processor was used by the ESA to process a Sentinel L2A product for a specific date. The latest version is Sen2Cor v2.8 which was published this ...
elbarado's user avatar
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1 answer
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What causes difference between two sources?

I have downloaded ESA global land cover tiff file and opened it with QGIS 3.6. To measure Africa separetly I used polygon file of this continent as a mask. I got the result that total area of Africa ...
Ferenc Mics's user avatar
1 vote
0 answers
1k views

Zooming in to area using Copernicus Open Access Hub?

I can pan but I cannot zoom in when using the Copernicus Open Access Hub. This makes it difficult to order data. I need to know how to zoom in on an area. I know how to zoom to a product. ...
If you do not know- just GIS's user avatar
1 vote
0 answers
101 views

Gravity map GOCE

I'm trying to produce a gravity map out of some GOCE (Gravity field and steady-state Ocean Circulation Explorer) data I downloaded from ESA's (European Space Agency) GOCE archive. I'm trying to follow ...
Kongie's user avatar
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Changes in extent in sentinel image while calibration with snap tool

i have a problem with the extents of my sentinel 1 image, actually as shown in the image above, am selecting the frame 1 to download from ESA, when i process the snap tool to calibrate i only get the ...
Geographic's user avatar
1 vote
1 answer
228 views

Importing AWS downloaded Sentinel-2 data into SNAP software?

I have downloaded Sentinel-2 L1C granules from AWS. I saved it as .SAFE format and now have for each tile downloaded as folder structure: AUX_DATA IMG_DATA QI_DATA i would like to run some ...
shmulik90's user avatar
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1 answer
238 views

Land cover change - need help with land cover classes

I'm very much new to using ArcGIS and to this forum. For my thesis, I have a raster map of Indonesia where I only look at three types of land cover retrieved from the ESA-CCI dataset. These involve: ...
leslie.m08's user avatar
1 vote
0 answers
502 views

Apply Orbit File in snap for PALSAR 2 data

I am using snap software for PALSAR 2 data. Thinking of orbit correction using the Apply Orbit File in the radar tool. But in the processing parameter, under the Orbit State Vectors we do not have any ...
Trilochana Basnett's user avatar
4 votes
3 answers
581 views

Can a satellite go over the same area in different passes overtime

Can a sun-synchronous satellite (let's consider Sentinel-1) go over the same place, one time in an ascending pass and the next time (or few times after) in a descending pass?
Hakim's user avatar
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2 votes
1 answer
539 views

Get resolution and whether right/left looking from sentinel metadata

Is it possible in Sentinel hub products to know the resolution of the product and whether the SAR was right or left looking at the scene? I know that it's possible to know if the SAR was operating in ...
Hakim's user avatar
  • 956
1 vote
1 answer
2k views

Extract Differential Interferometry from SENTINEL-1 image

I downloaded some SLC images from scihub.esa.int . And I want to extract Differencial Interferometry from them by using SNAP-ESA software. How can I do it ?
Mohamed wassim Baba's user avatar
5 votes
3 answers
4k views

How to download products from ESA's scihub using OData protocol?

How one can download files programatically using scihub OData protocol and cURL (or other library/program)? You can get a descriptive xml response of the API for a dataset can be obtained by this ...
nickves's user avatar
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