Questions tagged [sentinel-5p]
The Sentinel-5 Precursor mission consists of one satellite carrying the TROPOspheric Monitoring Instrument (TROPOMI) UV-VIS-NIR-SWIR instrument. The main objective of the Sentinel-5P mission is to perform atmospheric measurements, with high spatio-temporal resolution, relating to air quality, climate forcing, ozone and UV radiation.
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Getting NO2 concentrations for a given area
I am trying to get the NO2 concentrations at different coordinates for a specified area.
From the nc file downloaded from sci hub copernicus, I extracted the latitude, longitude and the NO2 ...
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Sentinel 5P dataset NO2 monthly means
I was trying to find monthly means of S5P Nitrogen Dioxide L3 Product using GEE but found out that the values calculated was less than previously calculated by myself using S5P NO2 L2 datasets. The ...
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SO2_column_number_density has negative value
The description of SO2_column_number_density in Sentinel-5P NRTI SO2: Near Real-Time Sulfur Dioxide says that "SO2 vertical column density at ground level, calculated using the DOAS technique&...
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Download the data of a picture Sentinel-5P
I am researching about air pollution in Tehran. While I want to export data about parameters like NO2, SO2 or HCHO in Sentinel-5P, in Google Earth Engine, the data that export in CSV are different ...
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Sentinel-5 Data gap [closed]
I am trying to use Sentinel-5P products for air pollution analysis. Although the the satellite has daily coverage resolution, still there are some missed data in some days. It is mentioned in product ...
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Spatial resolution of Sentinel 5P
In Google Earth Engine, Sentinel 5P, Sentinel-5P OFFL AER AI: Offline UV Aerosol Index page has written the resolution is 1113.2 meters. When I checked the image properties it is mentioned that the ...
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Google Earth Engine: Chart "User memory exceeded" shown + values keep getting rounded up to 0
I use the the following code.
The first chart works properly but the second chart shows the "User limit exceeded" error
Also when I export the chart in .csv format all the values become 0.
I ...
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Wrong mean, mode and median values being displayed
I am using this code to extract mean values as well as spatial distribution, but I know for a fact that the max values are wrong as I can see greater values using inspector tool makes me doubt the ...
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Request payload size exceeds limit while exporting image from Google Earth Engine
I am getting:
Request payload size exceeds limit
while exporting image from google earth engine
This is the code:
// Lab: Linear Regression
var ROI = ee.FeatureCollection("users/enigma_srl/...
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Chart plot of NO2 on daily basis
I want to plot NO2 concentration (Sentinel-5P data) on daily basis for whole month at state country level. I am getting following chart (attached below). In this chart, I am getting multiple values ...
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Google Earth Engine: how to export large image as one image not tiles
I want to download sentinel5 data for no2 for Saudi Arabia the whole country.
This is my code:
var collection = ee.ImageCollection('COPERNICUS/S5P/OFFL/L3_NO2')
.select('NO2_column_number_density')
...
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Estimation of NO2 Before and After Covid 19 Using GEE
I am working on trend analysis of NO2 but the chart produced have different minimum and maximum values of tropospheric column number density and, I cannot built a continuous pre, during and lock down ...
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Generating time series chart using GEE [closed]
How can I plot the chart to show the SO2 time series?
var collection = ee.ImageCollection('COPERNICUS/S5P/NRTI/L3_SO2')
.select('SO2_column_number_density')
.filterBounds(geometry)
.filterDate('...
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1
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How to convert SO2 mol/m2 to µg/m3
How do I convert SO2 mol/m2 to µg/m3 ?
var collection = ee.ImageCollection('COPERNICUS/S5P/NRTI/L3_SO2')
.select('SO2_column_number_density')
.filterBounds(geometry)
.filterDate('2021-10-01', '2021-10-...
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1
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Error while Exporting from Google Earth [closed]
I was trying to find a time series chart of SO2 in my region of interest. But after generating the chart I find it difficult to export to drive.
Here is my code
What is wrong with the code?
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In GEE, trying to extract Sentinel-5P causes computational time error while extracting other datasets work quickly
I'm trying to extract average values over a year from Sentinel-5P around a set of points. I buffer the points, then take average satellite values using the buffered points. This approach works quickly ...
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"dictionary doesn't contain key" even though the key is present in the dictionary in Google Earth Engine
I am trying to retrieve the pollution data from Sentinel 5P. When trying to do so even though the key is present I am unable to get it by getting the error.
FeatureCollection (Error)
Dictionary.get: ...
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1
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Issue in searching & downloading Sentinel-5P data within proxy environment
I am trying to download sentinel-5p data by using the following code:
from sentinel5dl import search, download
result = search(
polygon='POLYGON((7.8 49.3,13.4 49.3,13.4 52.8,7.8 52.8,7.8 49....
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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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How to lower the pixel quality in Sentinel5P-CH4?
I'm working with CH4 product Sentinel-5p provided by ESA Copernicus.
I need to change the pixel quality. Currently, GEE only data are used with a quality
assurance value (qa_value) > 0.5, but that ...
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380
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Google Earth Engine - Sentinel 5P SO2
I am trying to analyze the emissions of SO2 in the proximity of volcanoes (before, during, and after an eruption). I am just starting my journey with Google Earth Engine.
I started by defining my ...
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using gdal to merge Sentinel 5p projected tiff files without the overlapping at borders?
I have used gdalwarp for extracting Sentinel 5p L2__AER_AI data product to 14 tiff files in EPSG:4326 CRS.
These projected tiff files can be gotten from https://drive.google.com/drive/folders/1AHuH6n-...
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Export sentinel-5P image collection using GEE
I am trying to download NO2 data. I search in the forum and read all the topics non of them was helpful for my situation.
https://stackoverflow.com/questions/43868762/exporting-all-images-in-a-google-...
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Georeferencing, Scaling Sentinel 5P data
I have a sentinel 5P data downloaded from here https://s5phub.copernicus.eu/dhus it is a .nc file that includes many things in it.
...
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2
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Filtering region of interest in Sentinel 5P image collection?
I want to simply filter an Image Collection for a set of Spatial coordinates. However, the built-in Filterbounds function does not seem to work. I did try researching and the only answer I got to my ...
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Process Sentinel-5p HDF5 / NetCDF to TIFF files but overlapping appears clearly between two files
I've used 2 Sentinel-5p scenes in HDF5 / NetCDF to GeoTIFF by GDAL like below:
First, I extract the lat and lon coordinates from the HDF5 file.
gdal_translate -of VRT HDF5:"...
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1
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201
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Obtain product quality for the (Sentinel-5P OFFL NO2: Offline Nitrogen Dioxide) mean image
I am unable to obtain this property of image:
PRODUCT_QUALITY STRING - (Indicator) that specifies whether the product quality is degraded or not. Allowed values are "Degraded" and "...
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KeyError in creating attribute in Python for Sentinel 5p
I was doing analysis of NO2 emission using Sentinel 5p following the training of RUS Copernicus ATM002. When I was creating an attribute function it works fine. But when I call it in a function it ...
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758
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Band value selection in Google Earth Engine
I am working on Sentinel-5p NO2 data in Google Earth Engine. The band value of 'NO2_column_number_density' starts from negative numbers i.e.(Low : -1.34484e-05) but I need low value to be start from 0....
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285
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How to average data from Sentinel-5p collection ignoring zero?
I am working with CH4 product Sentinel-5p provided by ESA Copernicus.
Remote User Support provided a script to extract averaged CH4 anomalies for a certain period for the Earth Engine.
However, I ...
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1
answer
341
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Filter negative SO2 image collection in GEE
I'm collecting Sentinel-5p tropospheric SO2 column data. I want to remove negative SO2 band values from my collection. How do I achieve this?
Here is my code:
// define a 'collection' of images
var ...
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GEE: exporting daily mean cloud cover
I am trying to export a csv of daily mean cloud cover in the Netherlands according to S5P data. I have calculated the mean cloud fraction, but the exported csv shows many, many rows - none of them are ...
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Export Sentinel-5P imagery from Google Earth Engine in native resolution
I want to access SO2 data from Sentinel-5P on Google Earth Engine and get the mean values over a period of two years. According to the documentation (https://developers.google.com/earth-engine/...
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GEE: mapping over a wind data (ERA5) image collection
I want to extract average daily wind speeds over the Netherlands (NL below) at 1pm from the ERA 5 dataset on GEE.
I am trying to map over an image collection, and for some reason it is telling me that ...
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Error generating chart: No features contain non-null values of "system:time_start" Create NO2 chart with unit ton/m2 in GEE Sentinel-5p
I'm using the below code to create NO2(Sentinel-5p) time series charts for my region of interest by mean reduction. However, upon charting, I get an error message
Error generating chart: No features ...
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1
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Filtering Sentinel-5P from metadata on Google Earth Engine
I need a S5P image from a spesific date. Is there any way to filter image collection based on the metadata on GEE so the result is only from an image. I've tried something like:
var collection = ee....
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answers
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Undefined values of nitrogen dioxide in time series chart (GEE)
I am not able to see the values for NO2 in the time series. In the figure, tropspheric_No2_coloumn_density displays the value zero.
How to display the correct value?
var geom Table users/shapefile
...
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Convert Sentinel-5P netCDF O3_TCL (Tropospheric Ozone) subdataset to GeoTiff by GDAL?
I've used these steps below to extract the subdataset of Sentinel-5P netCDF file:
First, extract the latitude and longitude variables as geolocation arrays
gdal_translate -of VRT HDF5:"...
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Google Earth Engine extract data from Sentinel-5P
I would like to extract Near Real-Time Nitrogen Dioxide from Sentinel-5P for all countries. The output (in csv format) however does not show the Nitrogen Dioxide information and date (only country ID ...
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Slow download speeds from Copernicus?
I'm downloading Sentinel 3 and 5p data using the dhusget.sh script provided here:
https://scihub.copernicus.eu/twiki/do/view/SciHubUserGuide/BatchScripting?redirectedfrom=SciHubUserGuide....
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Google Earth Engine - Sentinel NO2 mean, min, max chart
I'm using the code bottom to create NO2 Charts of a region.
Please, do you know if it possible to group the three graphs into one?
var collection = ee.ImageCollection('COPERNICUS/S5P/NRTI/L3_NO2')
....
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Showing wrong information for Sentinel 5p L2 CO data in VISAN using HARP
I am using VISAN (Anaconda) IDL for opening Sentinel 5P L2 CO dataset in netcdf format. Whenever I have tried to open the file using the code
S5P_L2_CO = harp.import_product(r"F:\sentinel 5p\New ...
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Convert list of GML coordinates into WKT
I am working with a NetCDF file. One of the attributes of the file is its footprint given as just a list of GML coordinates e.g.
#ncds is a netCDF dataset
>>> ncds['METADATA/EOP_METADATA/om:...
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Google Earth Engine and Sentinel 5p [closed]
I am working on a project to better understand possible applications of the Sentinel 5p dataset within GEE. If anyone has current or past projects that they are willing to share, please feel free to ...
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Correlating mol/m^2 with ton and lb? [closed]
How do I compare tropospheric_NO2_column_number_density(mol/m^2) of
Sentinel-5p with EPA statewide emission data which unit is
Ton or lb?
Goal:
My goal is to compare remote sensing no2 emission ...
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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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Timelapse in Google Earth Engine?
I've wrote below code for an aerosol changes video, using Sentinel-5 products. When I'm going to save the video in Google Drive this error occurred:
Task details: myvideo
State: Failed
...
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3
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Error in Google Earth Engine: 'Error generating chart: No features contain non-null values of "system:time_start"'
I try to apply an expression to the satellite image and then try to chart the mean of the series of images but I'm getting this error:
"Error generating chart: No features contain non-null values ...
3
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0
answers
1k
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Convert NetCDF(.nc) (TROPOMI Sentinel-5p) to GeoTIFF (GDAL, GRASS)
I tried converting NetCDF (Sentinel-5p) file to GeoTIFF file but I'm getting:
D:\>gdalinfo 20181119T121048.nc
Warning 1: Recode from UTF-8 to CP_ACP failed with the error: "Invalid argument".
...
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