A comparison of modelled responses to prescribed CO 2 sources:
This report presents a summary of results from the intercomparison of modelled tracer distributions resulting from a series of prescribed sources. The chosen sources are most relevant to simulation of the structure of atmospheric CO2- The sources are representations of the annual mean input of CO2 d...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Mordialloc, Melbourne
CSIRO, Division of Atmospheric Research
1995
|
| Schriftenreihe: | CSIRO Division of Atmospheric Research technical paper
36 |
| Schlagworte: | |
| Zusammenfassung: | This report presents a summary of results from the intercomparison of modelled tracer distributions resulting from a series of prescribed sources. The chosen sources are most relevant to simulation of the structure of atmospheric CO2- The sources are representations of the annual mean input of CO2 due to fossil fuel combustion and cement production and the seasonal fluxes associated with the action of terrestrial biota. Twelve different three-dimensional atmospheric tracer transport models have been used in this intercomparison. The models include both online and offline types and use a variety of advection algorithms and sub-grid scale parameterisations. A range of model resolutions is also represented. The modelled distributions show a large range of responses. For the fossil fuel source, the annual mean large-scale north-south gradient at the surface varies by a factor of two. This suggests a factor of two variation in the efficiency of interhemispheric exchange. In the upper troposphere zonal mean gradients within the northern hemisphere vary in sign. For the terrestrial biotic source, the structure of the amplitude of the seasonal cycle of CO2 concentration at the surface is largely conditioned by the position of the sources. The amplitudes, however, vary similarly to the fossil case. The annual mean response to the seasonal source also shows large differences in magnitude. We discuss the implications of these results for carbon budget studies and suggest some methods for reducing the apparent large uncertainties. |
| Beschreibung: | 84 S. graph. Darst., Kt. |
| ISBN: | 064305605X |
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| 100 | 1 | |a Rayner, Peter J. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a A comparison of modelled responses to prescribed CO 2 sources |c P. J. Rayner and R. M. Law |
| 264 | 1 | |a Mordialloc, Melbourne |b CSIRO, Division of Atmospheric Research |c 1995 | |
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| 490 | 1 | |a CSIRO Division of Atmospheric Research technical paper |v 36 | |
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| 520 | 3 | |a This report presents a summary of results from the intercomparison of modelled tracer distributions resulting from a series of prescribed sources. The chosen sources are most relevant to simulation of the structure of atmospheric CO2- The sources are representations of the annual mean input of CO2 due to fossil fuel combustion and cement production and the seasonal fluxes associated with the action of terrestrial biota. Twelve different three-dimensional atmospheric tracer transport models have been used in this intercomparison. The models include both online and offline types and use a variety of advection algorithms and sub-grid scale parameterisations. A range of model resolutions is also represented. The modelled distributions show a large range of responses. For the fossil fuel source, the annual mean large-scale north-south gradient at the surface varies by a factor of two. This suggests a factor of two variation in the efficiency of interhemispheric exchange. In the upper troposphere zonal mean gradients within the northern hemisphere vary in sign. For the terrestrial biotic source, the structure of the amplitude of the seasonal cycle of CO2 concentration at the surface is largely conditioned by the position of the sources. The amplitudes, however, vary similarly to the fossil case. The annual mean response to the seasonal source also shows large differences in magnitude. We discuss the implications of these results for carbon budget studies and suggest some methods for reducing the apparent large uncertainties. | |
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| id | DE-604.BV021936958 |
| illustrated | Illustrated |
| index_date | 2024-07-02T16:06:39Z |
| indexdate | 2024-07-20T06:22:09Z |
| institution | BVB |
| isbn | 064305605X |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-015152111 |
| oclc_num | 476240239 |
| open_access_boolean | |
| owner | DE-706 DE-19 DE-BY-UBM DE-188 |
| owner_facet | DE-706 DE-19 DE-BY-UBM DE-188 |
| physical | 84 S. graph. Darst., Kt. |
| publishDate | 1995 |
| publishDateSearch | 1995 |
| publishDateSort | 1995 |
| publisher | CSIRO, Division of Atmospheric Research |
| record_format | marc |
| series | CSIRO Division of Atmospheric Research technical paper |
| series2 | CSIRO Division of Atmospheric Research technical paper Cooperative Research Centre for Southern Hemisphere Meteorology technical report |
| spelling | Rayner, Peter J. Verfasser aut A comparison of modelled responses to prescribed CO 2 sources P. J. Rayner and R. M. Law Mordialloc, Melbourne CSIRO, Division of Atmospheric Research 1995 84 S. graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier CSIRO Division of Atmospheric Research technical paper 36 Cooperative Research Centre for Southern Hemisphere Meteorology technical report 1 This report presents a summary of results from the intercomparison of modelled tracer distributions resulting from a series of prescribed sources. The chosen sources are most relevant to simulation of the structure of atmospheric CO2- The sources are representations of the annual mean input of CO2 due to fossil fuel combustion and cement production and the seasonal fluxes associated with the action of terrestrial biota. Twelve different three-dimensional atmospheric tracer transport models have been used in this intercomparison. The models include both online and offline types and use a variety of advection algorithms and sub-grid scale parameterisations. A range of model resolutions is also represented. The modelled distributions show a large range of responses. For the fossil fuel source, the annual mean large-scale north-south gradient at the surface varies by a factor of two. This suggests a factor of two variation in the efficiency of interhemispheric exchange. In the upper troposphere zonal mean gradients within the northern hemisphere vary in sign. For the terrestrial biotic source, the structure of the amplitude of the seasonal cycle of CO2 concentration at the surface is largely conditioned by the position of the sources. The amplitudes, however, vary similarly to the fossil case. The annual mean response to the seasonal source also shows large differences in magnitude. We discuss the implications of these results for carbon budget studies and suggest some methods for reducing the apparent large uncertainties. Kohlendioxid (DE-588)4031648-8 gnd rswk-swf Atmosphäre (DE-588)4003397-1 gnd rswk-swf Biogeochemie (DE-588)4125243-3 gnd rswk-swf Mathematisches Modell (DE-588)4114528-8 gnd rswk-swf Kohlenstoffkreislauf (DE-588)4164552-2 gnd rswk-swf Atmosphäre (DE-588)4003397-1 s DE-604 Kohlendioxid (DE-588)4031648-8 s Mathematisches Modell (DE-588)4114528-8 s Biogeochemie (DE-588)4125243-3 s Kohlenstoffkreislauf (DE-588)4164552-2 s Law, Rachel Mary Verfasser aut CSIRO Division of Atmospheric Research technical paper 36 (DE-604)BV025241349 36 |
| spellingShingle | Rayner, Peter J. Law, Rachel Mary A comparison of modelled responses to prescribed CO 2 sources CSIRO Division of Atmospheric Research technical paper Kohlendioxid (DE-588)4031648-8 gnd Atmosphäre (DE-588)4003397-1 gnd Biogeochemie (DE-588)4125243-3 gnd Mathematisches Modell (DE-588)4114528-8 gnd Kohlenstoffkreislauf (DE-588)4164552-2 gnd |
| subject_GND | (DE-588)4031648-8 (DE-588)4003397-1 (DE-588)4125243-3 (DE-588)4114528-8 (DE-588)4164552-2 |
| title | A comparison of modelled responses to prescribed CO 2 sources |
| title_auth | A comparison of modelled responses to prescribed CO 2 sources |
| title_exact_search | A comparison of modelled responses to prescribed CO 2 sources |
| title_exact_search_txtP | A comparison of modelled responses to prescribed CO 2 sources |
| title_full | A comparison of modelled responses to prescribed CO 2 sources P. J. Rayner and R. M. Law |
| title_fullStr | A comparison of modelled responses to prescribed CO 2 sources P. J. Rayner and R. M. Law |
| title_full_unstemmed | A comparison of modelled responses to prescribed CO 2 sources P. J. Rayner and R. M. Law |
| title_short | A comparison of modelled responses to prescribed CO 2 sources |
| title_sort | a comparison of modelled responses to prescribed co 2 sources |
| topic | Kohlendioxid (DE-588)4031648-8 gnd Atmosphäre (DE-588)4003397-1 gnd Biogeochemie (DE-588)4125243-3 gnd Mathematisches Modell (DE-588)4114528-8 gnd Kohlenstoffkreislauf (DE-588)4164552-2 gnd |
| topic_facet | Kohlendioxid Atmosphäre Biogeochemie Mathematisches Modell Kohlenstoffkreislauf |
| volume_link | (DE-604)BV025241349 |
| work_keys_str_mv | AT raynerpeterj acomparisonofmodelledresponsestoprescribedco2sources AT lawrachelmary acomparisonofmodelledresponsestoprescribedco2sources |