Full Name Surrey Linear Imager - 6 channel - 22m resolution Status Operational
Instrument Agencies UKSA Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Push-broom scanning
Instrument Technology High resolution optical imager Sampling Imaging
Data Access Constrained Access Data Format IMI (custom data format)
Measurements and Applications Visible and NIR imagery in support of disaster management - part of the Disaster Management constellation.
Resolution Summary 22 m
[Best Resolution: 22m]
Swath Summary Two imaging banks each with a 330km swath. The two swaths overlap by 11km, providing a total swath up to 638km
[Max Swath: 638 km]
Accuracy Summary S/N 150:1 @ target albedo of 0.1.
Waveband Summary VIS: 0.63 - 0.69 µm, 0.52 - 0.61 µm; NIR: 0.77 - 0.90 µm.
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
Albedo and reflectanceEarth surface albedo
Multi-purpose imagery (land)Land surface imagery
VegetationNormalized Differential Vegetation Index (NDVI)
Leaf Area Index (LAI)
Vegetation type
Land cover
Vegetation Cover
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Albedo click here click here search ECV Inventory records
Land cover click here click here search ECV Inventory records
Leaf Area Index (LAI) click here click here search ECV Inventory records
Instrument Missions
UK-DMC2 - UK Disaster Monitoring Constellation 2 (2009 - 2019)
GEOSAT-1 - GEOSAT-1 (2009 - 2024)