Questions tagged [landsat]

A series of Earth-observing satellite missions jointly managed by NASA and the U.S. Geological Survey.

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sqlite3.OperationError: Module not found when using pylandsat api

I installed pylandsat to download some landsat 8 imagery I need. there is command line interface I was using in the following fashion: pylandsat search --begin 2017-01-01 --end 2017-01-30 --sensors ...
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Different sizes LandSat and TIGER

I'm new to GIS/Google Earth Engine. I want to use images from the LANDSAT database for training in a CNN, but I want to filter the images from LANDSAT first by images from the TIGER database (I only ...
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37 views

The Google Earth Engine and GEET packages were used for batch calculation of surface temperature (LST), but error reporting

I hope to use the GEET package for batch calculation of surface temperature (LST), but there is an error in the calculation of TOA. How can I correct it? var image_col = ee.ImageCollection('LANDSAT/...
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Add all the bands of Landsat in Google Earth Engine? [closed]

I have only NDVI band and I want to add all the bands for unsupervised classification. My code: var dataset1=ee.ImageCollection('LANDSAT/LT05/C01/T1_32DAY_NDVI').filterDate('2000-01-01','2000-12- ...
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How to filter a merged Landsats collection by cloud coverage in Google Earth Engine?

I have a collection of all Landsat 4, 5, 7, and 8 imagery that has been modified for future processing. var mergedCollection = L457Renamed.merge(L8Renamed); A property for each image is "...
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ArcGIS Maximum Likelyhood Classification Affine Error in Output?

I am running a Maximum Likelihood classification in Landsat8 data in ArcGIS 10.8. The classified output looks OK but it is affine shifted. The projection is the same as the input data, the layer also ...
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40 views

Appending a table asset with ImageCollection pixel values for specific dates and coordinates in Earth Engine

In Earth Engine I have a table asset of coordinates and dates (properties `LAT', 'LONG', 'DATE') for which I would like to return a pixel value from my ImageCollection dswe_ic, which gives a monthly ...
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My script in pyqgis run (grass7:I.pca) runs fine but output folder empties [duplicate]

this is my PyQGIS scrpit (QGIS 3.10). this code runs fine but the output folder doesn't show results. the MyFeedBack function shows me that it runs correctly and matches the Registry that is ...
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62 views

I am running a processing PyQGIS script with grass i.pca but I am not getting results in my output folder

It runs without problem but I don't get the expected pca bands, my output folder is empty, I don't know what to test. path ='C/Users/Manuel/Documents/INPUT' output='C/Users/Manuel/Documents/OUTPUT' ...
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Earth Engine: Mapping over a feature collection of ROIs

I have a function that performs an operation over a specific ROI. Now, I want to apply the same function over a collection of ROIs by mapping the function over a feature collection. Haven't found any ...
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1answer
59 views

Export NDVI from Google Earth Engine

I generated a Lansat 5 image NDVI in a rectangle of interest in Google Earth Engine. After that, I tried to export the image to my Google Drive, but the final result does not load the usual values of ...
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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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Is there a way to bulk download Landsat data through cmd prompt or Python?

I know I can download landsat data through earth explorer and they have their own Bulk Downloader here: https://lta.cr.usgs.gov/EEHelp/BulkDownloadApplication But I am wondering if there is ...
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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 ...
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Error while uploading shapefile into Google Earth Engine

I have been trying to upload a shapefile "Phu Quoc" to Google Earth Engine and hence filtering the images based on this shp, however I've got this error: "Landsat Collection: Layer Error: Image....
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48 views

How to chessboard segment landsat pixel edges in python?

Does anyone know how to do a chessboard segmentation (in the same way that ecognition does) that will select all the edges of a Landsat pixel in python/a Jupyter notebook? Given that I can use the ...
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1answer
54 views

Is qualityMosaic the same as MVC (max value composite)?

I want to make an annual Landsat 5 image for area A in Google Earth Engine using MVC. The growing season in this area is from April to August. I get data from April to October. I masked the clouds. I ...
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The emissivity of snow

I try to use the NDVI Based Emissivity Method to calculate the LSE. But the function almost applied over surfaces composed by soil and vegetation. Over surfaces like water, ice, or snow did not ...
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Import and go through a large batch of Landsat images in QGIS?

I'm trying to reconstruct a glaciers frontal evolution through time. To do so I use a whole lot (70+) of Landsat scenes which I got from USGS Earth Explorer. I would like to visualize them as false ...
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60 views

Produce NDVI on Landsat1 satellite images?

Does someone have any experience to produce NDVI on the Landsat1 satellite image? What kind of atmospherical correction (on Landsat 1) technique is necessary to perform before producing indices? Is it ...
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61 views

Extracting monthly NDVI data using Google Earth Engine

I am using the following code to extract yearly NDVI. Is it possible to extract the monthly data? // Map a function to select data within the year and apply mean reducer var byYear = ee....
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Automated image enhancement in Python

I'm using Landsat 8 imagery in Python and want to make true color images that would look good in a publication. I have many images, so ideally this would be an automated process where each image comes ...
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Correction required to Landsat level 2 product while using it for time series analysis

I want to do time series land use change analysis using the level 2 usgs landsat product between the period of 1990 and 2016. However the algorithm that has been used to do surface reflectance ...
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The total observation numbers in the whole year for Landsat 8

I am quite a new user on Google Earth Engine. I`d like to solve how to count good-quality observations per pixels for Roi? What should I do significantly for that? Here is what I did https://code....
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59 views

Error when running StarFM

I aim to make the fusion of Landsat and Modis using STARFM at USDA StarFM I tried to conduct this process in R, in which we call the software using this code: system2(command="./StarFM.exe",args="...
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106 views

R code for STARFM FUSION using preprocess data from Google Earth Engine

I would like to quickly fusion Landsat and Modis data. I found the code solution at https://github.com/MacGallagher/GEE_STARFM_FUSION However, when I tried to run the R code in geestarfm_workflow.R ...
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1answer
62 views

How to apply trained classifier to entire Landsat collection in Google Earth Engine

I have classified the 2019 image using Google Earth Engine. How can I use the training data and code I have for 2019 and apply it from 1984 to 2018 instead of training/running a code for each image ...
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1answer
44 views

Removing tidal flat and coastline after applying Landsat Cloud Masking

I am a new Google Earth Engine user. I have tried to remove clouds and cloud shadows using pixel_qa band. However, sometimes the cloud masking makes tidal flat or coastline to remove. I don't know why ...
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1answer
181 views

Calculating NDVI per region, month & year with Google Earth Engine

This question refers to post: https://stackoverflow.com/questions/53280885 on stackoverflow. It was recommended by a user to repost here. I have modified the code posted by @Kel Markert https://code....
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1answer
54 views

How to print chart for NDWI

Trying to compute chart for NDWI var dataset = ee.ImageCollection('LANDSAT/LE07/C01/T1_8DAY_NDWI') .filterDate('1999-01-01', '2002-12-31') .filterBounds(...
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1answer
107 views

Is it possible with GEE to export all the images in an image collection?

I want to download an image collection with 36 images from my script in GEE and select the three bands from each image ('NDVI_mean','LST_mean',FV_mean'). I have tried many solutions which are posted ...
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Landsat L1GS product processing to change detection analysis ready state

At high latitude area of Svalbard Norway, one can find Landsat 8 data processed to L1TP level. With previous Landsat missions, this is not the case. Landsat 7 data are processed to L1Gt level and ...
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Merging two ImageCollections to create a new index

I am currently trying to calculate the rain use efficiency index for the years 2000-2015 with a Landsat dataset (NDVI) and a CHIRPS (precipitation) dataset. I already have two image collections ...
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ImageCollection (Error) User memory limit exceeded. Mean annual land surface temperature landsat data

I am trying to calculate mean annual and monthly land surface temperature for three image collection of landsat8, Landsat5, and landsat7(image collection of landsat7 and landsat 5 are merged). The ...
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1answer
308 views

Export Google Earth Engine Landsat Image to Google Drive not working in Python API

I am trying to export a collection of Landsat images (but at this point I will settle for a single image) from Google Earth Engine to my Google Drive. I am using the Python API from my local terminal ...
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186 views

Spectral signatures chart in Google Earth Engine

I have been reading the documentation and some related questions online, but I cannot seem to make it work. I use Google Earth Engine to access an old Landsat 5 image, and classify later on. I want ...
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2answers
126 views

Min and Max for each image of NDVI to calculate Em and LST

I am working on my script to calculate LST for all the images in the collection separately and then use the calculated LST to estimate Mean Annual LST. I have calculated NDVI for each image, and the ...
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Batch downloading LANDSAT imagery based on nearest image capture date

I have a 30-year large dataset (100,000+ points) of insect outbreaks (0=no out break, 1= outbreak) throughout Australia. I am interested in seeing if the spatial configuration of vegetation is a ...
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Unclear how to implement weighted average of GoLive velocity data

I am trying to apply the weighed averaging scheme outlined in Scambos et al. 2007 to GoLive surface velocity data in Antarctica. Essentially, for a given Landsat scene I have a number of ice ...
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61 views

Why is ReduceRegions returning null values when I reduce using a feature collection?

I am running a landtrendr script which returns some disturbance-related values (year of disturbance, duration... among others) for an area. I would like to reduce the result of the area by a large ...
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1answer
77 views

Replacing cloud values with NA in a raster stack

I am removing clouds from a raster stack of 768 pixel_qa bands which are provided by USGS as part of surface reflectance product. The details of raster stack (qa) are: > qa class : ...
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Ambiguity on Tasseled Cap coefficients for Landsat platforms

According to this post Tasseled Cap Transformation coefficient and Bias Value and one of the answers, the Tasseled cap coefficients are intended to be used on TOA data, not surface reflectance. I ...
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160 views

Enhanced Vegetation Index( EVI) Value Interpretation

Im working on calculation of Calculation of Enhanced Vegetation Index(EVI) From Landsat 5 TM and Landsat 8 OLI Using ArcMap 10.4.1. As far i know to Calculate EVI, first it needs to Convert the DN ...
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1answer
77 views

Increasing spatial resolution of Landsat MSS and TM images? [closed]

I am trying to do a timeseries analysis of morphological change in the coastal zone using images from Landsat 1 MSS, Landsat 5 TM, Landsat 7 EMT+ and Landsat 8 OLI. My problem is that although I can ...
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Bidirectional reflection disturbance function (BRDF) for Landsat imagery in earth engine

I am wanting to use various vegetation indices calculated using Landsat imagery. I am aware that BRDF is an important correction to do, but I am unsure where to start. Is there a product with ...
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1answer
70 views

Aligning pixels for using GSW as mask layer with Landsat 8 and Global Surface Water (JRC) Layer

I want to isolate some surface water areas on Landsat 8 images by using the Global Surface Water dataset in GEE as mask. After mapping both in the Editor I realized the positions of pixels of GSW and ...
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Landsat 1MSS composite colour

How can we match the Landsat 1 MSS and Landsat TM, ETM + and OLI bands? I have a scene of 1973, but on this one, there are only the bands 4, 5, 6, 7 and the bands T2_BQA and T2_VER, unlike the other ...
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1answer
418 views

Perform change detection using LandTrendr in Google Earth Engine?

I am having very basic skills in LandTrendr. I want to make a map showing year of detection and another magnitude of change, but I keep getting errors. I suspect the problem to be with the image ...
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1answer
82 views

Mass downloading Google Earth historical imagery

I've been working with the historical imagery in Google Earth and I'm wondering if there's an easy way to download the geoTIFFs for my study area. It doesn't seem possible from Google Earth itself. ...
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158 views

Merging two Landsat TIFF file of same band in QGIS 3.4

I've been wanting to merge two TIFF files of same band (this case it will be B1 in Landsat). I have followed tutorials which I came across online, but none of them seems to work. Generally, raster > ...

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