Contents
What is the range of values of Sentinel-2?
“The L2A Quantification Value is aligned with the L1C Quantification Value of the L1C product from which the L2A product is generated” When I refer to Sentinel-2 Products Specification Document page 403 I found the following: Why would the range of values of Level 1C images be 1 to 65535 if the images are supposed to be 12 bits.
Is the Sentinel-2 L1C a low resolution camera?
While the Sentinel-2 L1C has low-resolution previews generated, this is not yet the case for Sentinel-2 L2A. Lower resolution processing is enabled by default, but the performance degrades after going beyond 250m per pixel (up to 1500m per pixel).
When did the Sentinel-2 Level 2A algorithm become operational?
The SENTINEL-2 Level-2A processing provides Level-2 products (BOA reflectance) from Level-1C products (TOA reflectance). From the middle of March 2018, the Level-2A became an operational product, beginning with coverage of the Euro-Mediterranean region, with a gradual ramp-up to systematic worldwide coverage planned for the summ er of 2018.
How often does the Sentinel 2 satellite collect imagery?
Sentinel-2 is continually collecting imagery from two Earth observation satellites that provide imagery for any land-based location in the world every 5-7 days.
What are the spectral bands of the Sentinel 2?
The Sentinel-2 MultiSpectral Instrument (MSI) acquires 13 spectral bands ranging from Visible and Near-Infrared (VNIR) to Shortwave Infrared (SWIR) wavelengths along a 290-km orbital swath.
What are the features of the USGS sentinel2look viewer?
The USGS Sentinel2Look Viewer allows comprehensive searching and downloading of full-resolution Sentinel-2 images. Features include temporal comparison functionality, export customizable graphic file, generate and download a video animation of the oldest and newest images displayed in the viewer, to name a few.
How does the USGS access the ESA Sentinel 2?
A collaborative effort between ESA and the USGS provides for the public access and redistribution of global acquisitions of ESA’s Sentinel-2 data at no cost through secondary U.S.-based portals, in addition to direct user access from ESA. The MSI measures reflected radiance through the atmosphere within 13 spectral bands.