CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- HiRDLS
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Full Name
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High Resolution Dynamics Limb Sounder
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Status
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No longer operational
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Instrument Agencies
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NASA , UKSA
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Maturity
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Instrument Type
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Atmospheric chemistry
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Geometry
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Limb-scanning
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Instrument Technology
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Limb-scanning IR spectrometer
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Sampling
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Sounding
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Data Access
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Open Access
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Data Format
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HDF
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Measurements and Applications
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Measures atmospheric temperature, concentrations of ozone, water vapour, methane, NOx, N2O, CFCs and other minor species, aerosol concentration, location of polar stratospheric clouds and cloud tops. Currently not collecting data on Aqua.
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Resolution Summary
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Vertical: 1 km, Horizontal: 10 km
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Swath Summary
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Accuracy Summary
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Trace gas: 10%, Temperature: 1 K, Ozone: 10%
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Waveband Summary
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TIR: 6.12 - 17.76 µm (21 channels)
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TIR (~6.0 µm - ~15.0 µm) |
FIR (~15.0 µm - ~0.1 cm) |
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Instrument Measurements
Measurements Overview
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Category | Parameter |
Aerosols | Aerosol Extinction / Backscatter (column/profile) ![Click to Read More about the Aerosols properties ECV on the GCOS Website](\images\gcos-logo-bw.png) ![Click to Read More about the Aerosols properties ECV on the GCOS Website](/images/external-bw.gif) |
| Aerosol optical depth (column/profile) ![Click to Read More about the Aerosols properties ECV on the GCOS Website](\images\gcos-logo-bw.png) ![Click to Read More about the Aerosols properties ECV on the GCOS Website](/images/external-bw.gif) |
| Aerosol absorption optical depth (column/profile) |
Atmospheric Humidity Fields | Atmospheric specific humidity (HT, LS, HS&M) ![Click to Read More about the Water Vapour (upper air) ECV on the GCOS Website](\images\gcos-logo-bw.png) ![Click to Read More about the Water Vapour (upper air) ECV on the GCOS Website](/images/external-bw.gif) |
Atmospheric Temperature Fields | Atmospheric temperature (HT, LS, HS&M) ![Click to Read More about the Temperature (upper-air) ECV on the GCOS Website](\images\gcos-logo-bw.png) ![Click to Read More about the Temperature (upper-air) ECV on the GCOS Website](/images/external-bw.gif) |
Cloud type, amount and cloud top temperature | Cloud top height |
Ozone | O3 Mole Fraction ![Click to Read More about the Ozone ECV on the GCOS Website](\images\gcos-logo-bw.png) ![Click to Read More about the Ozone ECV on the GCOS Website](/images/external-bw.gif) |
Trace gases (excluding ozone) | CH4 Mole Fraction ![Click to Read More about the Carbon Dioxide, Methane and other Greenhouse gases ECV on the GCOS Website](\images\gcos-logo-bw.png) ![Click to Read More about the Carbon Dioxide, Methane and other Greenhouse gases ECV on the GCOS Website](/images/external-bw.gif) |
| CFC-11 (HT, LS, HS&M) |
| CFC-12 (HT, LS, HS&M) |
| NO2 Mole Fraction |
| N2O (HT, LS, HS&M) |
| HNO3 (HT, LS, HS&M) |
| ClONO2 (LS, HS&M) |
| N2O5 (HT, LS, HS&M) |
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Instrument Missions
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