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Heidelberg 2006 – scientific programme

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UP: Umweltphysik

UP 15: Poster: Atmosph
äre und Klima

UP 15.6: Poster

Tuesday, March 14, 2006, 14:00–16:00, C

Ground-based solar absorption measurements of CO2 — •Ronald Macatangay1, Justus Notholt1, Thorsten Warneke1, and Christoph Gerbig21Institut für Umweltphysik, Universitaet Bremen — 2Max Planck Institut für Biogeochemie, Jena

Carbon dioxide is the most important anthropogenic greenhouse gas. Remote sensing measurements of CO2 from space are likely to become important constraints on carbon cycle processes in the near future. These measurements cannot be validated with in situ measurements, because the in situ measurements are of a single point and the satellites measure a weighted column integral. The measurement of solar absorption via ground-based Fourier transform interferometers (FTIR) can measure the same column integrals as the satellite but do so at a fixed point, making it amenable to direct comparison with aircraft or in situ observations. First results of solar absorption measurements performed during the Carboeurope Regional Experiment in France are presented.

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