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The station on Pico Espejo MW radiometer and results H 2 O radiometer development

bernard-bray
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The station on Pico Espejo MW radiometer and results H 2 O radiometer development

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  1. Microwave Observations of the Atmosphere at Merida, VenezuelaG. Hochschild1, E. Diez y Riega2, S. Golchert3, J. Gross1, P. Hoffmann2, G. Kopp1, K. Künzi3, J. Notholt31Institut für Meteorologie und Klimaforschung, Forschungszentrum Karlsruhe und Universität Karlsruhe2Universidad de los Andes, Merida, Venezuela3Institut für Umweltphysik, Universität Bremen Outline: The station on Pico Espejo MW radiometer and results H2O radiometer development Extension of the Merida station Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  2. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) Mérida Geographical Location of Mérida Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  3. Microwave Radiometers deployed on Pico Espejo • MIRA2: 268 – 280 GHz; 800 K • ClO, O3, HNO3, N2O • 1996 – 2001 Kiruna and Ny Alesund • 2003 Zugspitze • Since 2004 in long-therm operation • WARAM2: 22,235 ± 0,5 GHz; 400 K (IUP) • H2O vap. in the stratosphere • 2003 Zugspitze • Operational since 2004 Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  4. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) 300 WARAM H2O MIRA2 O3 ClO HNO3 N2O 250 200 150 100 50 0 0 100 200 300 400 500 The Spectral Range 0-500 GHz as Seen From Ground Brightness [K] H2O + O2 Frequency [GHz] Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  5. Estación Alejandro de Humboldt de Investigación Ambiental de Mérida Pico Espejo, 8.58°N, 71.15°W, 4765 m asl Pico Bolivar Weather station GPS DOAS Ozone monitor

  6. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) Weather station DOAS telescope Pyranometer MIRA periscope Window WARAM 2 Webcam The MARS building at Pico Espejo Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  7. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) The MIRA2 Radiometer inside the MARS Building Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  8. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) Tropospheric Transmission Between 31 March 2004 and08 May 2006 measured by MIRA 2 at Mérida Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  9. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) Ozone Between 27 May 2004 and 08 May 2006 as Measured by MIRA 2 at Mérida Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  10. Water Vapor Columns at Merida estimated from MIRA2 measurements between 31 March 2004 and08 May 2006 Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  11. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) Ozone Column Densities over Mérida in 2004 and 2005 as modelled by KASIMA and measured by MIRA and TOMS KASIMA data courtesy of Roland Ruhnke et al. TOMS data courtesy of NASA Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  12. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Universität Karlsruhe (TH) Diurnal Variation of Ozone in the Mesosphere on 26 January 2005 as Measured by MIRA 2 Gerhard Kopp, IMK, Forschungszentrum und Universität Karlsruhe PEP Annual Meeting, 08.-09. June 2006, Karlsruhe

  13. H2O Radiometer Development • MIRA5W: 22.235 ± 0.5 GHz • Future alternative for WARAM H2O vap. in stratosphere and mesosphere • 250 K HEMT at 293 K • Cold load cooled by refrigerator • Dewar restrictions demand a Q.O.Beam design • Spectra resolved by a digital FFT analyzer • under construction • Test operation at Kiruna or Zugspitze • Validation ??? • Hope for input from this workshop

  14. MIRA5W: Hardware

  15. Future extension of the Merida-Station • FTIR (Uni Bremen, AWI) • Mobile Aerosol Raman Lidar MARL (AWI) • Sun-Photometer (AWI) • UV-A and -B Radiometer (AWI) • Biometer (UV-Dosimeter) (AWI) • Weather station (AWI) • Telemetry for Sondes • Equipment based at Paramaribo, Suriname (5°N, 55°W) since 9/2004 • Instruments installed in 3 containers • Import clearence still pending Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

  16. Lago Maracaibo Merida Llamo del Hato x Pico Espejo x Sierra Nevada di Merida

  17. Centro de Investigaciones de Astronomía „Francisco J. Duarte" (CIDA) Pico Espejo AWI Observatorio National Llamo del Hato, 8,79°N, 70,88°W, 3600m asl

  18. Projects and Collaborations • Present: • PEP (Pole-Equator-Pole)– Virtual Institute Helmholtz Association of German Research Centres • CAWSES (Climate and Weather of the Sun-Earth System) DFG Priority Programme • Future: • NDACC Tropical station • GAW Gerd Hochschild, IMK, Forschungszentrum und Universität Karlsruhe NDACC-H2O Workshop, 5.-7. July 2006, Bern

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