Google Earth Engine ——Sentinel1/2/3/5p 影像集合介绍

本教程讲述了Landsat系列和使用图像所需的相关质量信息。

This chapter provides an overview of the Landsat collections and relevant quality information necessary for using the imagery.

Sentinel platform.

Sentinel-1¶

Sentinel-1 collection.

Short name: Sentinel-1 SAR GRD: C-band Synthetic Aperture Radar

• Sentinel-1 SAR GRD: C-band Synthetic Aperture Radar Ground Range Detected, log scaling
  

Sentinel-2¶

Sentinel-2 collection.

Short name: Sentinel-2 MSI: Multispectral Instrument

• Sentinel-2 MSI: MultiSpectral Instrument, Level-2A
  
• Sentinel-2 MSI: MultiSpectral Instrument, Level-1C
  

Specifications and Quality¶

The Sentinel-2 MSI user guide, user handbook, and technical guide provide overview of the products and algorithms within the platform.

Specific to the Level-2A processing, the Level-2 Algorithm Overview provides additional information about Scene Classification (SC) and Atmospheric Correction (S2A2).

The Sentinel-2 MSI data quality reports (DQRs) provide regular updates about the geometric and radiometric performance of the data products.

Scene Classification Band¶

Table 13 Sentinel-2 MSI Scene Classification Values ¶

Quality Bands¶

Table 14 Sentinel-2 MSI Quality Bands ¶

Table 15 Sentinel-2 MSI Cloud Mask Bit Index ¶

Sentinel-3¶

Sentinel-3 collection.

Short name: Sentinel-3 OLCI EFR: Ocean and Land Color Instrument

• Sentinel-3 OLCI EFR: Ocean and Land Color Instrument Earth Observation Full Resolution
  

Sentinel-5P¶

Sentinel-5P collection.

Short name: Sentinel-5P TROPOMI: TROPOspheric Monitoring Instrument

• Sentinel-5P OFFL AER AI: Offline UV Aerosol Index
  
• Sentinel-5P OFFL CLOUD: Near Real-Time Cloud
  
• Sentinel-5P OFFL CO: Offline Carbon Monoxide
  
• Sentinel-5P OFFL HCHO: Offline Formaldehyde
  
• Sentinel-5P OFFL NO2: Offline Nitrogen Dioxide
  
• Sentinel-5P OFFL O3: Offline Ozone
  
• Sentinel-5P OFFL SO2: Offline Sulphur Dioxide
  
• Sentinel-5P OFFL CH4: Offline Methane