Evaluating the potential of IASI ozone observations to constrain simulated surface ozone concentrations
| Autor: | Gilles Foret, Maxim Eremenko, Lynda Hamaoui, Gaëlle Dufour, Adriana Coman, C. Keim, Matthias Beekmann, Catherine Schmechtig, Anne Boynard, Anthony Ung |
|---|---|
| Přispěvatelé: | Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA (UMR_7583)), Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut National de l'Environnement Industriel et des Risques (INERIS), TROPO - LATMOS, Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2009 |
| Předmět: |
[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph]
Atmospheric Science Ozone 010504 meteorology & atmospheric sciences 010501 environmental sciences Atmospheric sciences 01 natural sciences lcsh:QC1-999 lcsh:Chemistry Troposphere chemistry.chemical_compound Mediterranean sea Surface ozone lcsh:QD1-999 chemistry 13. Climate action TRACER Nadir Environmental science Trajectory analysis Tropospheric ozone lcsh:Physics 0105 earth and related environmental sciences |
| Zdroj: | Atmospheric Chemistry and Physics Atmospheric Chemistry and Physics, European Geosciences Union, 2009, 9 (21), pp.8479-8491. ⟨10.5194/acp-9-8479-2009⟩ Atmospheric Chemistry and Physics, 2009, 9 (21), pp.8479-8491. ⟨10.5194/acp-9-8479-2009⟩ Atmospheric Chemistry and Physics, Vol 9, Iss 21, Pp 8479-8491 (2009) |
| ISSN: | 1680-7324 1680-7316 |
| DOI: | 10.5194/acp-9-8479-2009 |
| Popis: | A tracer study has been performed for two summers in 2003 and 2004 with a regional chemistry-transport model in order to evaluate the potential constraint that tropospheric ozone observations from nadir viewing infrared sounders like IASI or TES exert on modelled near surface ozone. As these instruments show high sensitivity in the free troposphere, but low sensitivity at ground, it is important to know how much of the information gained in the free troposphere is transferred to ground through vertical transport processes. Within the European model domain, and within a time span of 4 days, only ozone like tracers initialised in vertical layers above 500 hPa are transported to the surface. For a tracer initialised between 800 and 700 hPa, seven percent reaches the surface within one to three days, on the average over the European model domain but more than double over the Mediterranean Sea. For this region, trajectory analysis shows that this is related to strong subsident transport. These results are confirmed by a second tracer study taking into account averaging kernels related to IASI retrievals, indicating the potential of these measurements to efficiently constrain surface ozone values. |
| Databáze: | OpenAIRE |
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