Questions tagged [sentinel-3]

Sentinel-3 is a dedicated Copernicus satellite delivering a variety of high-quality ocean measurements.

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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)...
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Retrieve image coordinates (X, Y) from geographic coordinates in NetCDF file using Numpy

I'm trying to retrieve image coordinates (X, Y) from geographic coordinates in NetCDF file (Sentinel 3 data) using Numpy. The problem is that the final pixel is too close to the desired pixel but not ...
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Processing Sentinel-3 SLSTR data using python via snappy API

I am trying to convert Sentinel-3 SLSTR S6 radiance data to a Geotiff file; However, I am finding converting the Sentinel-3 data which is in NCDF4 format to Geotiff format correctly very difficult. I ...
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Retrieve pixel value using SNAP-engine and Python for specific geographic coordinates

I'm trying to retrieve pixel values in Sentinel-3 data for specific geographic coordinates using the SNAP-Engine. Until now, I transform the geographic coordinates to the corresponding X and Y with ...
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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....
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456 views

Google Earth Engine: Masking land out of Sentinel-3 imagery

I'm trying to isolate ocean cover from OLCI imagery using a bitmask from the quality_flags band. But it's masking all the pixels, and I notice when I mask the ocean and leave the land, the land is ...
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277 views

Extract Sentinel 3 data into raster in R?

I am trying to create a raster with Sentinel 3 data. I found out that long/lat coordinates were in a different file than the data (chla). I am using this code to create one raster that I would like to ...
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Sentinel 3 Cloud Masking in Google Earth Engine

I am new to GEE and I wanted to use this as part of my research. My first step was to mask the clouds off the images. The code i created basically mask out pixels based on the Quality Flag Bit 27, ...
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201 views

Longitude/Latitude from NetCDF with (row,column)

I downloaded a "Sentinel-3 Land Surface Temperature" netcdf file. I want to get the longitude and latitude for each temperature entry in the file. Well the file has pairs of rows and column. Using ...
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Whether Sentinel 3 OLCI can be used as a MODIS replacement for 250m NDVI?

Based on the bandwidths MODIS bands 1 and 2 (620nm - 876nm) will match S3 bands Oa7 - Oa17 (620nm - 865nm) I am just trying to know if anyone had any experience in using S3 data instead of MODIS for ...
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228 views

Sentinel 3 OLCI/SLSTR granule footprints shapefile?

Basically the following question: Finding Sentinel tile for specific Long/Lat coordinate However, that question was regarding Sentinel 2 MSI, for which a UTM tiling grid is made available by the ESA. ...