Hot answers tagged

4

There are other options to download Landsat7 images. Here's what I do: Go to EarthExplorer and click on register on the upper right corner to create an account. Then again go to EarthExplorer and log in with the account that you have just created. In the first tab Search Criteria, you can set the acqusition time and area of the data by different ...


3

What we see on this image is a good example of exactly how broken Landsat 7 is at this point. Below is a RGB from the specific area: You have faulty values and spatial errors all across the image. Overall, using this image for any sort of analysis is going to result in lots of strange things. The line seen in the question is clearly visible, and it extents ...


2

What camera are you using- and what bands? (Sounds like the micasense) You may want something that reaches towards the SWIR to see water characteristics. Anyways, from what I know- it is best to pair thermal imagery (measuring canopy temperature) with atmospheric temperature, and use something like the crop water stress index (CWSI) - see paper by Bellvert ...


2

Well this is not exactly a GIS (definitely not arcgis) question, but remote sensing is somewhat related. Anyway, EVI (enhanced vegetation index) is similar to NDVI and to SAVI (Soil-adjusted vegetation index). To wit it corrects for atmospheric and soil distortions. As stated in the NASA website "While the EVI is calculated similarly to NDVI, it corrects ...


1

The ESA/EU make radar products from the Sentinel satellites available for free through the Copernicus Data Portal.


1

In step 4 of the tutorial it states "If desired, choose spatial and/or temporal search criteria". In essence, what you should do is draw a box on the map covering the area that you wish to search for data in (while leaving the temporal options alone). This will give you only the tiles within your search box, rather than each and every tile available in the '...


1

It sounds like you just need to iterate over each month's folder(?), add each month's tif files to the list "dekad", perform the CellStatistics command and save result as the monthly average raster, correct? Instead of the "for i in range... dekad.append[]..." method, you could do something like below using "glob"... import arcpy, os, glob from arcpy ...



Only top voted, non community-wiki answers of a minimum length are eligible