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Instrument details
Acronym
HSRS
Full name
Hot Spot Recognition Sensor
Purpose
High-resolution land observation and disasters monitoring
Short description
2-channel IR radiometer: 3.4-4.2 µm and 8.5-9.3 µm to detect ground surface hot spots (fires)
Background
New development
Scanning Technique
Pushbroom; swath 190 km
Resolution
372 m
Coverage / Cycle
Global coverage in 2 weeks
Mass
13.9 kg
Power
90 W
Data Rate
957 kbps
Providing Agency
DLR
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
2002 to 2007-07-01
Last update:
2012-09-04
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
No WIGOS subcomponents have been defined.
Mission objectives
Primary mission objectives
Secondary mission objectives Fire fractional cover Fire temperature Sea surface temperature Opportunity objectives Cloud top temperature Cloud type Fire radiative power 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 cover 4 - fair Infrequent coverage. MWIR and TIR window channels around 3.7 and 11 micrometers
Cloud top temperature 5 - marginal Infrequent coverage. TIR window channel(s) around 11 micrometers
Cloud type 4 - fair Infrequent coverage. MWIR and TIR window channels around 3.7 and 11 micrometers
Fire fractional cover 1 - primary Infrequent coverage.. Cloud sensitive.. Daylight only. MWIR and TIR window channels around 3.7 and 11 micrometers
Fire radiative power 1 - primary Cloud sensitive.. Infrequent coverage. MWIR and TIR window channels around 3.7 and 11 micrometers
Fire temperature 1 - primary Cloud sensitive.. Infrequent coverage. MWIR and TIR window channels around 3.7 and 11 micrometers
Land surface temperature 3 - high Cloud sensitive.. Infrequent coverage. MWIR and TIR window channels around 3.7 and 11 micrometers (high sensitivity to high temperature, cloud impact reduction, water vapour correction)
Sea surface temperature 4 - fair Cloud sensitive.. Infrequent coverage.. Affected by sunlight. MWIR window channel(s) (cloud impact reduction)
Instrument: HSRS