Contents
What are Sentinel-2 images?
The Copernicus Sentinel-2 mission is based on a constellation of two identical satellites in the same orbit. Each satellite carries an innovative wide swath high-resolution multispectral imager with 13 spectral bands for a new perspective of our land and vegetation.
Where can I find Sentinel-2 images?
Currently ESA distributes Sentinel 2 data in entire swaths. These files are very large, sometimes 7+ GB when compressed. You can access these data directly from the ESA Copernicus Open Access hub at: https://scihub.copernicus.eu/ Users should read the online User Guide prior to searching for data.
Is Sentinel-2 imagery free?
All Sentinel-2 data products are provided free of charge to all data users, including the general public, and scientific and commercial users under the terms and conditions prescribed by the European Commission’s Copernicus Programme.
How far back does Sentinel data go?
It aims at monitoring variability in land surface conditions, and its wide swath width (290 km) and high revisit time (10 days at the equator with one satellite, and 5 days with 2 satellites under cloud-free conditions which results in 2-3 days at mid-latitudes) will support monitoring of Earth’s surface changes.
What Sentinel means?
A sentinel is a guard, a lookout, a person keeping watch. It’s often a soldier, but not always. If you’re watching a pot, waiting for it to boil, you’re standing sentinel over it — and incidentally, it won’t boil until you leave.
How do I get free Sentinel?
Follow these steps to download free Sentinel satellite data:
- Create a User Account. Go to Sentinels Scientific Data Hub.
- Select Your Area of Interest. Where is your study area?
- Download Sentinel Data.
What is the resolution of Sentinel 3?
Technical Specifications
| Orbit: | 815 km, 10:00 am. mean local solar time. sun-synchronous, polar |
|---|---|
| Repeat Cycle: | 27 days |
| Swath Dimensions: | 1270 km, global coverage every 4 days |
| Spacecraft Weight: | 1250 kg |
| Spatial Resolution: | 300m full resolution 1200m reduced resolution |
What is Sentinel used for?
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What kind of satellite is the Sentinel 2?
About Sentinel-2. SENTINEL-2, launched as part of the European Commission’s Copernicus program on June 23, 2015, was designed specifically to deliver a wealth of data and imagery. The satellite is equipped with an opto-electronic multispectral sensor for surveying with a sentinel-2 resolution of 10 to 60 m in the visible, near infrared (VNIR),
What do you need to know about the sentinel2look viewer?
The Sentinel2Look Viewer is a prototype tool that was developed to allow rapid online viewing and access to the USGS Sentinel-2 image archives. This viewer allows you to: Interactively explore the Sentinel-2 archive at up to full resolution directly from a common Web browser
Where can I find the USGS Sentinel 2 collection?
EarthExplorer , USGS Global Visualization Viewer (GloVis), or the Sentinel2Look Viewer can be used to search, preview, and download Sentinel-2 data. The collection is located under the Sentinel category in EarthExplorer. The current USGS Sentinel-2 archive is only a partial representation of all available acquisitions from ESA.
Which is open source software for Sentinel 2?
ESA offers the Sentinel 2 Toolbox, an open source software product, for the visualization, analysis, and processing of GMLJP2 files/Sentinel-2 data and other high-resolution remote sensing data. Full Resolution Browse (FRB) images in Georeferenced Tagged Image File Format (GeoTIFF) are also available from the USGS for Sentinel-2 tiles.