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Observations of the nitrate radical in the free troposphere at Izaña de Tenerife
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| Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Journal of Geophysical Research: Atmospheres, 102, 1997, D9, S. 10613-10622 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Carslaw, Nicola Plane, John M. C. Coe, Hugh Cuevas, Emilio Carslaw, Nicola Plane, John M. C. Coe, Hugh Cuevas, Emilio |
|---|---|
| author |
Carslaw, Nicola Plane, John M. C. Coe, Hugh Cuevas, Emilio |
| spellingShingle |
Carslaw, Nicola Plane, John M. C. Coe, Hugh Cuevas, Emilio Journal of Geophysical Research: Atmospheres Observations of the nitrate radical in the free troposphere at Izaña de Tenerife 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 |
carslaw, nicola |
| spelling |
Carslaw, Nicola Plane, John M. C. Coe, Hugh Cuevas, Emilio 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/10.1029/96jd03512 <jats:p>This paper reports direct measurements of the nitrate radical (NO<jats:sub>3</jats:sub>) in the lower free troposphere. The measurements were carried out at Izaña de Tenerife (2300 m altitude) in the Canary Islands during May 1994, using the technique of differential optical absorption spectroscopy (DOAS). The average nighttime NO<jats:sub>3</jats:sub> concentration in very clean air from the mid‐Atlantic was found to be 8 ppt, with a maximum observed concentration of about 20 ppt. Combining the NO<jats:sub>3</jats:sub> data with ancillary measurements of NO<jats:sub>2</jats:sub> and O<jats:sub>3</jats:sub> in a model shows that there are no important NO<jats:sub>3</jats:sub> scavengers in a part of the troposphere that is characterized by a very low relative humidity and aerosol particle count, and where the concentration of NO<jats:sub>2</jats:sub> is too small for significant quantities of N<jats:sub>2</jats:sub>O<jats:sub>5</jats:sub> to form. On occasion, the presence of a trace concentration of NO or an organic species such as α‐pinene is required to explain the observations. The lifetime of NO<jats:sub>3</jats:sub> at night was in excess of 2 hours, much longer than measured hitherto in the tropospheric boundary layer.</jats:p> Observations of the nitrate radical in the free troposphere at Izaña de Tenerife Journal of Geophysical Research: Atmospheres |
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Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik |
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| title |
Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_unstemmed |
Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_full |
Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_fullStr |
Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_full_unstemmed |
Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_short |
Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_sort |
observations of the nitrate radical in the free troposphere at izaña de tenerife |
| 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 |
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http://dx.doi.org/10.1029/96jd03512 |
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1997 |
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10613-10622 |
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<jats:p>This paper reports direct measurements of the nitrate radical (NO<jats:sub>3</jats:sub>) in the lower free troposphere. The measurements were carried out at Izaña de Tenerife (2300 m altitude) in the Canary Islands during May 1994, using the technique of differential optical absorption spectroscopy (DOAS). The average nighttime NO<jats:sub>3</jats:sub> concentration in very clean air from the mid‐Atlantic was found to be 8 ppt, with a maximum observed concentration of about 20 ppt. Combining the NO<jats:sub>3</jats:sub> data with ancillary measurements of NO<jats:sub>2</jats:sub> and O<jats:sub>3</jats:sub> in a model shows that there are no important NO<jats:sub>3</jats:sub> scavengers in a part of the troposphere that is characterized by a very low relative humidity and aerosol particle count, and where the concentration of NO<jats:sub>2</jats:sub> is too small for significant quantities of N<jats:sub>2</jats:sub>O<jats:sub>5</jats:sub> to form. On occasion, the presence of a trace concentration of NO or an organic species such as α‐pinene is required to explain the observations. The lifetime of NO<jats:sub>3</jats:sub> at night was in excess of 2 hours, much longer than measured hitherto in the tropospheric boundary layer.</jats:p> |
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| author | Carslaw, Nicola, Plane, John M. C., Coe, Hugh, Cuevas, Emilio |
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| description | <jats:p>This paper reports direct measurements of the nitrate radical (NO<jats:sub>3</jats:sub>) in the lower free troposphere. The measurements were carried out at Izaña de Tenerife (2300 m altitude) in the Canary Islands during May 1994, using the technique of differential optical absorption spectroscopy (DOAS). The average nighttime NO<jats:sub>3</jats:sub> concentration in very clean air from the mid‐Atlantic was found to be 8 ppt, with a maximum observed concentration of about 20 ppt. Combining the NO<jats:sub>3</jats:sub> data with ancillary measurements of NO<jats:sub>2</jats:sub> and O<jats:sub>3</jats:sub> in a model shows that there are no important NO<jats:sub>3</jats:sub> scavengers in a part of the troposphere that is characterized by a very low relative humidity and aerosol particle count, and where the concentration of NO<jats:sub>2</jats:sub> is too small for significant quantities of N<jats:sub>2</jats:sub>O<jats:sub>5</jats:sub> to form. On occasion, the presence of a trace concentration of NO or an organic species such as α‐pinene is required to explain the observations. The lifetime of NO<jats:sub>3</jats:sub> at night was in excess of 2 hours, much longer than measured hitherto in the tropospheric boundary layer.</jats:p> |
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| imprint | American Geophysical Union (AGU), 1997 |
| imprint_str_mv | American Geophysical Union (AGU), 1997 |
| institution | DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275 |
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| physical | 10613-10622 |
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| spelling | Carslaw, Nicola Plane, John M. C. Coe, Hugh Cuevas, Emilio 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/10.1029/96jd03512 <jats:p>This paper reports direct measurements of the nitrate radical (NO<jats:sub>3</jats:sub>) in the lower free troposphere. The measurements were carried out at Izaña de Tenerife (2300 m altitude) in the Canary Islands during May 1994, using the technique of differential optical absorption spectroscopy (DOAS). The average nighttime NO<jats:sub>3</jats:sub> concentration in very clean air from the mid‐Atlantic was found to be 8 ppt, with a maximum observed concentration of about 20 ppt. Combining the NO<jats:sub>3</jats:sub> data with ancillary measurements of NO<jats:sub>2</jats:sub> and O<jats:sub>3</jats:sub> in a model shows that there are no important NO<jats:sub>3</jats:sub> scavengers in a part of the troposphere that is characterized by a very low relative humidity and aerosol particle count, and where the concentration of NO<jats:sub>2</jats:sub> is too small for significant quantities of N<jats:sub>2</jats:sub>O<jats:sub>5</jats:sub> to form. On occasion, the presence of a trace concentration of NO or an organic species such as α‐pinene is required to explain the observations. The lifetime of NO<jats:sub>3</jats:sub> at night was in excess of 2 hours, much longer than measured hitherto in the tropospheric boundary layer.</jats:p> Observations of the nitrate radical in the free troposphere at Izaña de Tenerife Journal of Geophysical Research: Atmospheres |
| spellingShingle | Carslaw, Nicola, Plane, John M. C., Coe, Hugh, Cuevas, Emilio, Journal of Geophysical Research: Atmospheres, Observations of the nitrate radical in the free troposphere at Izaña de Tenerife, 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 | Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_full | Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_fullStr | Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_full_unstemmed | Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_short | Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| title_sort | observations of the nitrate radical in the free troposphere at izaña de tenerife |
| title_unstemmed | Observations of the nitrate radical in the free troposphere at Izaña de Tenerife |
| 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/10.1029/96jd03512 |