a selection of tools for working with satellite images

Nowadays, some tools allow you to get an image of the area in optical, infrared and radio ranges in one click. Using satellite images, hundreds of specialists monitor the situation in places of military conflict, monitor forests, and conduct various types of investigations.

— This post contains free resources and projects with satellite data and various programs for processing this data.

1. Copernicus Open Access Hub — database of images from 6 Copernicus Sentinel satellites. Here you can find freely available data from Sentinel-1, Sentinel-2, Sentinel-3 and Sentinel-5PThere is an API and you can create your own scripts for searching.

– There is the possibility of synchronous access to the latest images and asynchronous access to historical information.

2. Sentinel Hub Playground — Sentinel 2/Landsat imagery database. The database is updated every 5-10 days with new images. Here you can track various GIS variables, such as NDVI or NDWO. EO Browser makes it easy to view in timelapse mode. Resolution – 10 m/px.Identifying Changes in Infrastructure in Myanmar, Nigeria and the South China Sea)

3. ESA SNAP — Created by the European Space Agency, which allows various enhancements and manipulations of remote sensing data. Allows view gigapixel images, work with layers, visualize statistics and build graphs.

4. GeoVisual Search — A search engine that allows users to visually query images for similar geographic features (guide: Searching the World Wide World)

5. Google Earth Engine — Satellite images and analytical database in open access. Almost any satellite images collected by NASA, NOAA, USGS, etc. are available (guide from Habr)

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