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Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects
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| Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
|---|---|
| Personen und Körperschaften: | , , , , , , |
| In: | Journal of Geophysical Research: Atmospheres, 117, 2012, D16 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Riese, M. Ploeger, F. Rap, A. Vogel, B. Konopka, P. Dameris, M. Forster, P. Riese, M. Ploeger, F. Rap, A. Vogel, B. Konopka, P. Dameris, M. Forster, P. |
|---|---|
| author |
Riese, M. Ploeger, F. Rap, A. Vogel, B. Konopka, P. Dameris, M. Forster, P. |
| spellingShingle |
Riese, M. Ploeger, F. Rap, A. Vogel, B. Konopka, P. Dameris, M. Forster, P. Journal of Geophysical Research: Atmospheres Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
riese, m. |
| spelling |
Riese, M. Ploeger, F. Rap, A. Vogel, B. Konopka, P. Dameris, M. Forster, P. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2012jd017751 <jats:p>The upper troposphere/lower stratosphere (UTLS) region plays an important role in the climate system. Changes in the structure and chemical composition of this region result in particularly large changes in radiative forcings of the atmosphere. Quantifying the processes that control UTLS composition (e.g., stratosphere‐troposphere exchange) therefore represents a crucial task. We assess the influence of uncertainties in the atmospheric mixing strength on global UTLS distributions of greenhouse gases (water vapor, ozone, methane, and nitrous oxide) and associated radiative effects. The study is based on multiannual simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS) driven by ERA‐Interim meteorological data and on a state‐of‐the‐art radiance code. Mixing, the irreversible part of transport, is controlled by the local horizontal strain and vertical shear of the atmospheric flow. We find that simulated radiative effects of water vapor and ozone, both characterized by steep gradients in the UTLS, are particularly sensitive to uncertainties of the atmospheric mixing strength. Globally averaged radiative effects are about 0.72 and 0.17 W/m<jats:sup>2</jats:sup>for water vapor and ozone, respectively. For ozone, the largest impact of mixing uncertainties is observed in the extra‐tropical lower stratosphere.</jats:p> Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects Journal of Geophysical Research: Atmospheres |
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10.1029/2012jd017751 |
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Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik Geologie und Paläontologie Geographie Chemie und Pharmazie |
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Journal of Geophysical Research: Atmospheres |
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| title |
Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_unstemmed |
Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_full |
Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_fullStr |
Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_full_unstemmed |
Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_short |
Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_sort |
impact of uncertainties in atmospheric mixing on simulated utls composition and related radiative effects |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| url |
http://dx.doi.org/10.1029/2012jd017751 |
| publishDate |
2012 |
| physical |
|
| description |
<jats:p>The upper troposphere/lower stratosphere (UTLS) region plays an important role in the climate system. Changes in the structure and chemical composition of this region result in particularly large changes in radiative forcings of the atmosphere. Quantifying the processes that control UTLS composition (e.g., stratosphere‐troposphere exchange) therefore represents a crucial task. We assess the influence of uncertainties in the atmospheric mixing strength on global UTLS distributions of greenhouse gases (water vapor, ozone, methane, and nitrous oxide) and associated radiative effects. The study is based on multiannual simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS) driven by ERA‐Interim meteorological data and on a state‐of‐the‐art radiance code. Mixing, the irreversible part of transport, is controlled by the local horizontal strain and vertical shear of the atmospheric flow. We find that simulated radiative effects of water vapor and ozone, both characterized by steep gradients in the UTLS, are particularly sensitive to uncertainties of the atmospheric mixing strength. Globally averaged radiative effects are about 0.72 and 0.17 W/m<jats:sup>2</jats:sup>for water vapor and ozone, respectively. For ozone, the largest impact of mixing uncertainties is observed in the extra‐tropical lower stratosphere.</jats:p> |
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| author | Riese, M., Ploeger, F., Rap, A., Vogel, B., Konopka, P., Dameris, M., Forster, P. |
| author_facet | Riese, M., Ploeger, F., Rap, A., Vogel, B., Konopka, P., Dameris, M., Forster, P., Riese, M., Ploeger, F., Rap, A., Vogel, B., Konopka, P., Dameris, M., Forster, P. |
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| description | <jats:p>The upper troposphere/lower stratosphere (UTLS) region plays an important role in the climate system. Changes in the structure and chemical composition of this region result in particularly large changes in radiative forcings of the atmosphere. Quantifying the processes that control UTLS composition (e.g., stratosphere‐troposphere exchange) therefore represents a crucial task. We assess the influence of uncertainties in the atmospheric mixing strength on global UTLS distributions of greenhouse gases (water vapor, ozone, methane, and nitrous oxide) and associated radiative effects. The study is based on multiannual simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS) driven by ERA‐Interim meteorological data and on a state‐of‐the‐art radiance code. Mixing, the irreversible part of transport, is controlled by the local horizontal strain and vertical shear of the atmospheric flow. We find that simulated radiative effects of water vapor and ozone, both characterized by steep gradients in the UTLS, are particularly sensitive to uncertainties of the atmospheric mixing strength. Globally averaged radiative effects are about 0.72 and 0.17 W/m<jats:sup>2</jats:sup>for water vapor and ozone, respectively. For ozone, the largest impact of mixing uncertainties is observed in the extra‐tropical lower stratosphere.</jats:p> |
| doi_str_mv | 10.1029/2012jd017751 |
| facet_avail | Online, Free |
| finc_class_facet | Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft, Biologie, Allgemeine Naturwissenschaft, Physik, Technik, Geologie und Paläontologie, Geographie, Chemie und Pharmazie |
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| imprint_str_mv | American Geophysical Union (AGU), 2012 |
| institution | DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1 |
| issn | 0148-0227 |
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| last_indexed | 2024-03-01T17:55:01.487Z |
| match_str | riese2012impactofuncertaintiesinatmosphericmixingonsimulatedutlscompositionandrelatedradiativeeffects |
| mega_collection | American Geophysical Union (AGU) (CrossRef) |
| physical | |
| publishDate | 2012 |
| publishDateSort | 2012 |
| publisher | American Geophysical Union (AGU) |
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| series | Journal of Geophysical Research: Atmospheres |
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| spelling | Riese, M. Ploeger, F. Rap, A. Vogel, B. Konopka, P. Dameris, M. Forster, P. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2012jd017751 <jats:p>The upper troposphere/lower stratosphere (UTLS) region plays an important role in the climate system. Changes in the structure and chemical composition of this region result in particularly large changes in radiative forcings of the atmosphere. Quantifying the processes that control UTLS composition (e.g., stratosphere‐troposphere exchange) therefore represents a crucial task. We assess the influence of uncertainties in the atmospheric mixing strength on global UTLS distributions of greenhouse gases (water vapor, ozone, methane, and nitrous oxide) and associated radiative effects. The study is based on multiannual simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS) driven by ERA‐Interim meteorological data and on a state‐of‐the‐art radiance code. Mixing, the irreversible part of transport, is controlled by the local horizontal strain and vertical shear of the atmospheric flow. We find that simulated radiative effects of water vapor and ozone, both characterized by steep gradients in the UTLS, are particularly sensitive to uncertainties of the atmospheric mixing strength. Globally averaged radiative effects are about 0.72 and 0.17 W/m<jats:sup>2</jats:sup>for water vapor and ozone, respectively. For ozone, the largest impact of mixing uncertainties is observed in the extra‐tropical lower stratosphere.</jats:p> Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects Journal of Geophysical Research: Atmospheres |
| spellingShingle | Riese, M., Ploeger, F., Rap, A., Vogel, B., Konopka, P., Dameris, M., Forster, P., Journal of Geophysical Research: Atmospheres, Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_full | Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_fullStr | Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_full_unstemmed | Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_short | Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| title_sort | impact of uncertainties in atmospheric mixing on simulated utls composition and related radiative effects |
| title_unstemmed | Impact of uncertainties in atmospheric mixing on simulated UTLS composition and related radiative effects |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/2012jd017751 |