CEOS EO HANDBOOK – INSTRUMENT SUMMARY - WiFS -
Full Name Wide Field Sensor Status No longer operational
Instrument Agencies ISRO Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Steerable viewing
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications Vegetation and crop monitoring, resource assessment (regional scale), forest mapping, land cover/ land use mapping, and change detection.
Resolution Summary 188 m
[Best Resolution: 188m]
Swath Summary 810 km
[Max Swath: 810 km]
Accuracy Summary
Waveband Summary 2 channels: R-IR
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Albedo and reflectanceEarth surface albedo
Landscape topographyLand surface topography
Multi-purpose imagery (land)Land surface imagery
Snow cover, edge and depthSnow cover
VegetationVegetation type
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
Snow click here click here search ECV Inventory records
Instrument Missions
IRS-1C - Indian Remote Sensing Satellite - 1C (1995 - 2007)
IRS-P3 - Indian Remote Sensing Satellite - P3 (1996 - 2003)
IRS-1D - Indian Remote Sensing Satellite - 1D (1997 - 2010)
IRS-P4 - OCEANSAT-1 (1999 - 2010)