Microwave Observations of the Atmosphere at Kiruna, Sweden

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Microwave Observations of the Atmosphere at
Kiruna, Sweden
G. Kopp1, G. Hochschild1, and U.
Raffalski2 1Institut für Meteorologie und
Klimaforschung, Forschungszentrum Karlsruhe und
Universität Karlsruhe 2Institutet för rymdfysik,
IRF, Kiruna
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Outline

• the microwave instrument at IRF Kiruna
• ozone measurements
• tropospheric water vapour columns
• outlook

Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Geographical Location of Kiruna
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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The Kiruna Microwave Radiometer KIMRA at
IRFKiruna (67.84N, 20.41E, 425 m), Sweden
KIMRA (195-224 GHz) The Periscope of
KIMRAtrace Gases O3, (also N2O,
ClO, HNO3 covered by the instrument)begin of
the measurements spring 2002
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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The Spectral Range 0-500 GHz as Seen From Ground
Brightness K
Frequency GHz
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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The Spectral Range 195-224 GHz as Seen From
Ground
H2O O2
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Ozone Measurement of KIMRA
O3
O3
Brightness K
Frequency GHz
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Vertical Resolution and Sensitivityof the
Retrieved Profiles
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Measurement Results of KIMRA at IRF Kiruna
between 28 November 2002 and 30 March 2006
ozone
ozone
trop. transmission
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
10
Retrieval of Tropospheric H2O Column Densities
from KIMRA Ozone Measurements
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Retrieval of Tropospheric H2O Column Densities
from KIMRA Ozone Measurements
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
12
Retrieval of Tropospheric H2O Column Densities
from KIMRA Ozone Measurements
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
13
Retrieval of Tropospheric H2O Column Densities
from KIMRA Ozone Measurements
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Tropospheric H2O Column Densities as Measured by
KIMRA between 28 November 2002 and 30 March 2006
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Comparison of KIMRA and FTIR H2O Column
Densities as Measured at Kiruna
FTIR-data courtesy of Isabell Kramer et al., IMK,
Forschungszentrum Karlsruhe
Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern
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Outlook

• ozone measurements will be continued
• measurements of other trace gases covered by
  KIMRA
• enhance spectral resolution by a digital FFT
  analyzer
• new 22-GHz water vapour radiometer at IRF Kiruna?

Gerhard Kopp, IMK, Forschungszentrum und
Universität Karlsruhe
NDACC-H2O Workshop, 5.-7. July 2006, Bern