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Instrument details
Acronym
HyS-SWIR
Full name
Hyperspectral Imager - Short Wave Infrared
Purpose
Frequent high-resolution observation of vegetation processes
Short description
Hyperspectral, 150 channels in the range 0.9-2.5 μm. Spectral resolution < 10 nm, SNR > 400
Background
Complementary to HyS-VNIR
Scanning Technique
Mechanical, addressable everywhere in the disc with variable area coverage
Resolution
500 m at s.s.p.
Coverage / Cycle
Depending on the size of the scanned area. 30 min for the India region
Mass
Power
Data Rate
Providing Agency
ISRO
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
≥2021 to ≥2028
Last update:
2021-06-16
Detailed characteristics
Satellites this instrument is flying on
Note: a red tag indicates satellites no longer operational, a
green tag indicates operational satellites, a blue tag indicates
future satellites
Instrument classification
Earth observation instrument Passive optical radiometer or spectrometer High resolution optical imager
WIGOS Subcomponents
Subcomponent 1 Narrow-band or hyperspectral imagers
Mission objectives
Primary mission objectives
Secondary mission objectives Cloud top height Integrated Water Vapour (IWV) Opportunity objectives Show all Show fewer
Tentative Evaluation of Measurements
The following list indicates which measurements can typically be
retrieved from this category of instrument. To see a full Gap Analysis by Variable,
click on the respective variable.
Note: table can be sorted by clicking on the column headers
Variable Relevance for measuring this variable Operational limitations Explanation
Cloud top height 4 - fair Infrequent coverage.. Daylight only. NIR hyperspectral channels to estimate the total-column O2 above the cloud top as measured around 760 nm
Leaf Area Index (LAI) 2 - very high Cloud sensitive.. Daylight only.. Infrequent coverage. NIR and SWIR hyperspectral channels
Specific humidity 4 - fair Cloud sensitive.. Very coarse vertical resolution.. Infrequent coverage.. Daylight only. NIR hyperspectral channels including the ro-sigma-tau band of water vapour around 940 nm
Integrated Water Vapour (IWV) 5 - marginal Cloud sensitive.. Infrequent coverage.. Daylight only. NIR hyperspectral channels covering the 940 nm band
Instrument: HyS-SWIR