Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT.
The odd nitrogen source strengths associated with solar proton events (SPEs), galactic cosmic rays (GCRs), and the oxidation of nitrous oxide in the Earth's middle atmosphere from 1974 through 1993 have been compared globally, at middle and lower latitudes (< 50 deg), and polar regions (>...
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ftdtic:ADA308179 2023-05-15T13:38:48+02:00 Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT. Vitt, Francis M. Jackman, Charles H. KANSAS UNIV LAWRENCE DEPT OF PHYSICS AND ASTRONOMY 1995-11-30 text/html http://www.dtic.mil/docs/citations/ADA308179 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA308179 en eng http://www.dtic.mil/docs/citations/ADA308179 Availability: Document partially illegible. DTIC AND NTIS Atmospheric Physics Astrophysics Inorganic Chemistry Snow Ice and Permafrost *PARTICLES *SNOW *IONIZATION *SOLAR ACTIVITY *ANTARCTIC REGIONS *EARTH ATMOSPHERE *NITRATES MESOSPHERE POLAR REGIONS MEASUREMENT MODELS PHOTOCHEMICAL REACTIONS OXIDATION TRANSPORT HORIZONTAL ORIENTATION SOLAR CYCLE NITROUS OXIDE TEMPERATE REGIONS LATITUDE GALACTIC COSMIC RAYS SOLAR COSMIC RAYS SOLAR DISTURBANCES SPE(SOLAR PROTON EVENTS) MIDDLE ATMOSPHERE ODD NITROGEN SOLAR PROTON EVENTS PE61102F WUAFOSR3484S4 Text 1995 ftdtic 2016-02-19T17:58:23Z The odd nitrogen source strengths associated with solar proton events (SPEs), galactic cosmic rays (GCRs), and the oxidation of nitrous oxide in the Earth's middle atmosphere from 1974 through 1993 have been compared globally, at middle and lower latitudes (< 50 deg), and polar regions (> 50 deg) with a two-dimensional (2-D) photochemical transport model. As discovered previously, the oxidation of nitrous oxide dominates the global odd nitrogen source while GCRs and SPEs are significant at polar latitudes. The horizontal transport of odd nitrogen, produced by the oxidation of nitrous oxide at latitudes < 50 deg, was found to be the dominant source of odd nitrogen in the polar regions with GCRs contributing substantially during the entire solar cycle. The source of odd nitrogen from SPEs was more sporadic; however, contributions during several years (mostly near solar maximum) were significant in the polar middle atmosphere. p4 Text Antarc* Antarctic Ice permafrost Defense Technical Information Center: DTIC Technical Reports database Antarctic |
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Open Polar |
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Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Atmospheric Physics Astrophysics Inorganic Chemistry Snow Ice and Permafrost *PARTICLES *SNOW *IONIZATION *SOLAR ACTIVITY *ANTARCTIC REGIONS *EARTH ATMOSPHERE *NITRATES MESOSPHERE POLAR REGIONS MEASUREMENT MODELS PHOTOCHEMICAL REACTIONS OXIDATION TRANSPORT HORIZONTAL ORIENTATION SOLAR CYCLE NITROUS OXIDE TEMPERATE REGIONS LATITUDE GALACTIC COSMIC RAYS SOLAR COSMIC RAYS SOLAR DISTURBANCES SPE(SOLAR PROTON EVENTS) MIDDLE ATMOSPHERE ODD NITROGEN SOLAR PROTON EVENTS PE61102F WUAFOSR3484S4 |
spellingShingle |
Atmospheric Physics Astrophysics Inorganic Chemistry Snow Ice and Permafrost *PARTICLES *SNOW *IONIZATION *SOLAR ACTIVITY *ANTARCTIC REGIONS *EARTH ATMOSPHERE *NITRATES MESOSPHERE POLAR REGIONS MEASUREMENT MODELS PHOTOCHEMICAL REACTIONS OXIDATION TRANSPORT HORIZONTAL ORIENTATION SOLAR CYCLE NITROUS OXIDE TEMPERATE REGIONS LATITUDE GALACTIC COSMIC RAYS SOLAR COSMIC RAYS SOLAR DISTURBANCES SPE(SOLAR PROTON EVENTS) MIDDLE ATMOSPHERE ODD NITROGEN SOLAR PROTON EVENTS PE61102F WUAFOSR3484S4 Vitt, Francis M. Jackman, Charles H. Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT. |
topic_facet |
Atmospheric Physics Astrophysics Inorganic Chemistry Snow Ice and Permafrost *PARTICLES *SNOW *IONIZATION *SOLAR ACTIVITY *ANTARCTIC REGIONS *EARTH ATMOSPHERE *NITRATES MESOSPHERE POLAR REGIONS MEASUREMENT MODELS PHOTOCHEMICAL REACTIONS OXIDATION TRANSPORT HORIZONTAL ORIENTATION SOLAR CYCLE NITROUS OXIDE TEMPERATE REGIONS LATITUDE GALACTIC COSMIC RAYS SOLAR COSMIC RAYS SOLAR DISTURBANCES SPE(SOLAR PROTON EVENTS) MIDDLE ATMOSPHERE ODD NITROGEN SOLAR PROTON EVENTS PE61102F WUAFOSR3484S4 |
description |
The odd nitrogen source strengths associated with solar proton events (SPEs), galactic cosmic rays (GCRs), and the oxidation of nitrous oxide in the Earth's middle atmosphere from 1974 through 1993 have been compared globally, at middle and lower latitudes (< 50 deg), and polar regions (> 50 deg) with a two-dimensional (2-D) photochemical transport model. As discovered previously, the oxidation of nitrous oxide dominates the global odd nitrogen source while GCRs and SPEs are significant at polar latitudes. The horizontal transport of odd nitrogen, produced by the oxidation of nitrous oxide at latitudes < 50 deg, was found to be the dominant source of odd nitrogen in the polar regions with GCRs contributing substantially during the entire solar cycle. The source of odd nitrogen from SPEs was more sporadic; however, contributions during several years (mostly near solar maximum) were significant in the polar middle atmosphere. p4 |
author2 |
KANSAS UNIV LAWRENCE DEPT OF PHYSICS AND ASTRONOMY |
format |
Text |
author |
Vitt, Francis M. Jackman, Charles H. |
author_facet |
Vitt, Francis M. Jackman, Charles H. |
author_sort |
Vitt, Francis M. |
title |
Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT. |
title_short |
Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT. |
title_full |
Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT. |
title_fullStr |
Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT. |
title_full_unstemmed |
Atmospheric Ionization by Solar Particles Detected by Nitrate Measurements in Antarctic Snow. FY91 AASERT. |
title_sort |
atmospheric ionization by solar particles detected by nitrate measurements in antarctic snow. fy91 aasert. |
publishDate |
1995 |
url |
http://www.dtic.mil/docs/citations/ADA308179 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA308179 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Ice permafrost |
genre_facet |
Antarc* Antarctic Ice permafrost |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA308179 |
op_rights |
Availability: Document partially illegible. |
_version_ |
1766111283833208832 |