C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack
Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrat...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ariya, Parisa A. [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1999 |
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| Anmerkung: |
© Kluwer Academic Publishers 1999 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of atmospheric chemistry - Kluwer Academic Publishers, 1983, 34(1999), 1 vom: Sept., Seite 55-64 |
|---|---|
| Übergeordnetes Werk: |
volume:34 ; year:1999 ; number:1 ; month:09 ; pages:55-64 |
| Links: |
|---|
| DOI / URN: |
10.1023/A:1006289618755 |
|---|
| Katalog-ID: |
OLC2061773591 |
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| 520 | |a Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. | ||
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10.1023/A:1006289618755 doi (DE-627)OLC2061773591 (DE-He213)A:1006289618755-p DE-627 ger DE-627 rakwb eng 550 540 VZ Ariya, Parisa A. verfasserin aut C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. Hopper, John F. aut Harris, Geoffrey W. aut Enthalten in Journal of atmospheric chemistry Kluwer Academic Publishers, 1983 34(1999), 1 vom: Sept., Seite 55-64 (DE-627)130612650 (DE-600)793876-7 (DE-576)016123026 0167-7764 nnns volume:34 year:1999 number:1 month:09 pages:55-64 https://doi.org/10.1023/A:1006289618755 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_601 GBV_ILN_2012 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4313 AR 34 1999 1 09 55-64 |
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10.1023/A:1006289618755 doi (DE-627)OLC2061773591 (DE-He213)A:1006289618755-p DE-627 ger DE-627 rakwb eng 550 540 VZ Ariya, Parisa A. verfasserin aut C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. Hopper, John F. aut Harris, Geoffrey W. aut Enthalten in Journal of atmospheric chemistry Kluwer Academic Publishers, 1983 34(1999), 1 vom: Sept., Seite 55-64 (DE-627)130612650 (DE-600)793876-7 (DE-576)016123026 0167-7764 nnns volume:34 year:1999 number:1 month:09 pages:55-64 https://doi.org/10.1023/A:1006289618755 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_601 GBV_ILN_2012 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4313 AR 34 1999 1 09 55-64 |
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10.1023/A:1006289618755 doi (DE-627)OLC2061773591 (DE-He213)A:1006289618755-p DE-627 ger DE-627 rakwb eng 550 540 VZ Ariya, Parisa A. verfasserin aut C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. Hopper, John F. aut Harris, Geoffrey W. aut Enthalten in Journal of atmospheric chemistry Kluwer Academic Publishers, 1983 34(1999), 1 vom: Sept., Seite 55-64 (DE-627)130612650 (DE-600)793876-7 (DE-576)016123026 0167-7764 nnns volume:34 year:1999 number:1 month:09 pages:55-64 https://doi.org/10.1023/A:1006289618755 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_601 GBV_ILN_2012 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4313 AR 34 1999 1 09 55-64 |
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10.1023/A:1006289618755 doi (DE-627)OLC2061773591 (DE-He213)A:1006289618755-p DE-627 ger DE-627 rakwb eng 550 540 VZ Ariya, Parisa A. verfasserin aut C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. Hopper, John F. aut Harris, Geoffrey W. aut Enthalten in Journal of atmospheric chemistry Kluwer Academic Publishers, 1983 34(1999), 1 vom: Sept., Seite 55-64 (DE-627)130612650 (DE-600)793876-7 (DE-576)016123026 0167-7764 nnns volume:34 year:1999 number:1 month:09 pages:55-64 https://doi.org/10.1023/A:1006289618755 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_601 GBV_ILN_2012 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4313 AR 34 1999 1 09 55-64 |
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10.1023/A:1006289618755 doi (DE-627)OLC2061773591 (DE-He213)A:1006289618755-p DE-627 ger DE-627 rakwb eng 550 540 VZ Ariya, Parisa A. verfasserin aut C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack 1999 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1999 Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. Hopper, John F. aut Harris, Geoffrey W. aut Enthalten in Journal of atmospheric chemistry Kluwer Academic Publishers, 1983 34(1999), 1 vom: Sept., Seite 55-64 (DE-627)130612650 (DE-600)793876-7 (DE-576)016123026 0167-7764 nnns volume:34 year:1999 number:1 month:09 pages:55-64 https://doi.org/10.1023/A:1006289618755 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-GEO SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_40 GBV_ILN_47 GBV_ILN_62 GBV_ILN_70 GBV_ILN_130 GBV_ILN_601 GBV_ILN_2012 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4313 AR 34 1999 1 09 55-64 |
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Journal of atmospheric chemistry |
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1999 |
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55 |
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Ariya, Parisa A. Hopper, John F. Harris, Geoffrey W. |
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34 |
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550 540 VZ |
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Ariya, Parisa A. |
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10.1023/A:1006289618755 |
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550 540 |
| title_sort |
c2-c7 hydrocarbon concentrations in arctic snowpack interstitial air: potential presence of active br within the snowpack |
| title_auth |
C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack |
| abstract |
Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. © Kluwer Academic Publishers 1999 |
| abstractGer |
Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. © Kluwer Academic Publishers 1999 |
| abstract_unstemmed |
Abstract Samples of interstitial air from within the snow pack on an ice floe on the Arctic Ocean were collected during the April 1994 Polar Sunrise Experiment. The concentrations of $ C_{2} $-$ C_{7} $ hydrocarbons are reported for the first time in the snow pack interstitial air. Alkane concentrations tended to be higher than concentrations in free air samples above the snow but very similar to winter measurements at various locations in the Arctic archipelago. However, ethyne concentrations in both interstitial and free air were highly correlated with ozone mixing ratios, consistent with previous demonstrations of the effects of Br atom chemistry. The analysis of total bromine within the snow pack indicate an enrichment in total Br at the interface layer between snow and free troposphere. The mixing ratios of some brominated compounds, such as $ CHBr_{3} $ and $ CHBr_{2} $Cl, are found to be higher in this top layer of snow relative to the boundary layer. Results were inconclusive due to the limited number of samples, but suggest the possible presence of active bromine in the snow pack and also that some differences exist between chemical reactions occurring in interstitial air compared to air in the boundary layer. © Kluwer Academic Publishers 1999 |
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C2-C7 Hydrocarbon Concentrations in Arctic Snowpack Interstitial Air: Potential Presence of Active Br within the Snowpack |
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Hopper, John F. Harris, Geoffrey W. |
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2024-07-04T04:22:51.961Z |
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