Temperature trends in the lower mesosphere
The largest atmospheric temperature changes due to the increase of greenhouse gases are expected in the 40 to 60 km altitude region, where enhanced infrared cooling decreases the temperature. Ten-year (1980-1990) temperature trends at 55 km and 0.4 mb, derived using data from the ground-based lidar...
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| Veröffentlicht in: | Geophysical research letters 1991-03, Vol.18 (3), p.416-419 |
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| container_title | Geophysical research letters |
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| creator | Aikin, A. C. Chanin, M. L. Nash, J. Kendig, D. J. |
| description | The largest atmospheric temperature changes due to the increase of greenhouse gases are expected in the 40 to 60 km altitude region, where enhanced infrared cooling decreases the temperature. Ten-year (1980-1990) temperature trends at 55 km and 0.4 mb, derived using data from the ground-based lidar at Haute Provence, (France), and the SSU-instrument channel 47X on several satellites, are presented. These data show temperature decreases that are as large and in some cases exceed predictions based on current models. At 44 deg N, the ground-based lidar and satellite techniques give a negative trend of -0.10 + or - 0.04 percent per year and -0.14 + or - 0.02 percent per year, respectively. Agreement between these two data sets based on different measurement techniques gives confidence in the detected trends at this latitude. Further analysis of the SSU 47X satellite data between 45 deg S and 45 deg N indicates a maximum decline of 0.16 percent per year near 30 deg N. A minimum trend decrease of 0.07 percent per year is detected between 20 and 30 deg S. Based on NOAA satellite radiance observations, these long-term temperature changes are larger than changes at any of the other stratospheric levels below 55 km monitored during this period. |
| doi_str_mv | 10.1029/91GL00233 |
| format | Article |
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C. ; Chanin, M. L. ; Nash, J. ; Kendig, D. J.</creator><creatorcontrib>Aikin, A. C. ; Chanin, M. L. ; Nash, J. ; Kendig, D. J.</creatorcontrib><description>The largest atmospheric temperature changes due to the increase of greenhouse gases are expected in the 40 to 60 km altitude region, where enhanced infrared cooling decreases the temperature. Ten-year (1980-1990) temperature trends at 55 km and 0.4 mb, derived using data from the ground-based lidar at Haute Provence, (France), and the SSU-instrument channel 47X on several satellites, are presented. These data show temperature decreases that are as large and in some cases exceed predictions based on current models. At 44 deg N, the ground-based lidar and satellite techniques give a negative trend of -0.10 + or - 0.04 percent per year and -0.14 + or - 0.02 percent per year, respectively. Agreement between these two data sets based on different measurement techniques gives confidence in the detected trends at this latitude. Further analysis of the SSU 47X satellite data between 45 deg S and 45 deg N indicates a maximum decline of 0.16 percent per year near 30 deg N. A minimum trend decrease of 0.07 percent per year is detected between 20 and 30 deg S. 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C.</creatorcontrib><creatorcontrib>Chanin, M. L.</creatorcontrib><creatorcontrib>Nash, J.</creatorcontrib><creatorcontrib>Kendig, D. J.</creatorcontrib><title>Temperature trends in the lower mesosphere</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>The largest atmospheric temperature changes due to the increase of greenhouse gases are expected in the 40 to 60 km altitude region, where enhanced infrared cooling decreases the temperature. Ten-year (1980-1990) temperature trends at 55 km and 0.4 mb, derived using data from the ground-based lidar at Haute Provence, (France), and the SSU-instrument channel 47X on several satellites, are presented. These data show temperature decreases that are as large and in some cases exceed predictions based on current models. At 44 deg N, the ground-based lidar and satellite techniques give a negative trend of -0.10 + or - 0.04 percent per year and -0.14 + or - 0.02 percent per year, respectively. Agreement between these two data sets based on different measurement techniques gives confidence in the detected trends at this latitude. Further analysis of the SSU 47X satellite data between 45 deg S and 45 deg N indicates a maximum decline of 0.16 percent per year near 30 deg N. A minimum trend decrease of 0.07 percent per year is detected between 20 and 30 deg S. Based on NOAA satellite radiance observations, these long-term temperature changes are larger than changes at any of the other stratospheric levels below 55 km monitored during this period.</description><subject>540110</subject><subject>Air pollution</subject><subject>ALKANES</subject><subject>CARBON COMPOUNDS</subject><subject>CARBON DIOXIDE</subject><subject>CARBON OXIDES</subject><subject>CHALCOGENIDES</subject><subject>Channels</subject><subject>CLIMATES</subject><subject>CLIMATIC CHANGE</subject><subject>EARTH ATMOSPHERE</subject><subject>Earth, ocean, space</subject><subject>ECOLOGICAL CONCENTRATION</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>FREONS</subject><subject>General properties of the high atmosphere</subject><subject>Geophysics</subject><subject>GREENHOUSE EFFECT</subject><subject>GREENHOUSE GASES</subject><subject>HALOGENATED ALIPHATIC HYDROCARBONS</subject><subject>HYDROCARBONS</subject><subject>Lidar</subject><subject>LONG WAVE RADIATION</subject><subject>MEASURING INSTRUMENTS</subject><subject>MESOSPHERE</subject><subject>METHANE</subject><subject>MONITORING</subject><subject>OPTICAL RADAR</subject><subject>ORGANIC COMPOUNDS</subject><subject>ORGANIC HALOGEN COMPOUNDS</subject><subject>OXIDES</subject><subject>OXYGEN COMPOUNDS</subject><subject>Physics of the high neutral atmosphere</subject><subject>RADAR</subject><subject>Radiance</subject><subject>RADIATIONS</subject><subject>RADIOWAVE RADIATION</subject><subject>RANGE FINDERS</subject><subject>SATELLITES</subject><subject>TEMPERATURE MEASUREMENT</subject><subject>TEMPERATURE MONITORING</subject><subject>Trends</subject><subject>VARIATIONS</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>CYI</sourceid><recordid>eNqFkc1rFEEQxRtRcI0evHsYBEUDE6u7-mP7qEE3whJNWBC8NJ2eGnZ0dmbT3UvMf29vJsRT4qkK6vcer6oYe8nhiIOwHyxfLAEE4iM241bKeg5gHrMZgC29MPope5bSLwBAQD5jhyvabCn6vItU5UhDk6puqPKaqn68olhtKI1pu6ZIz9mT1veJXtzWA7b68nl1fFIvvy2-Hn9c1kEao2skHowOthGaQCFIgGBbPp-rCyxhVGt504LwjSbZNheSBBolpJCSjBYSD9jryXZMuXMpdJnCOozDQCE7pSWW4AV6O0HbOF7uKGW36VKgvvcDjbvkhFJcozX_BflcSMsNFPDdw6AS1qJAvUffT2iIY0qRWreN3cbHa8fB7b_g7r5Q2De3tj4F37fRD6FL_wRWoeQ3Wx9N3FXX0_X9hm5xvlSodBG8mgSDT94NOZaI1nIAqa3cj-tp3KVMf-78fPzttCkHdz9OF-705zmefT_75E7wLy-XqAk</recordid><startdate>199103</startdate><enddate>199103</enddate><creator>Aikin, A. C.</creator><creator>Chanin, M. L.</creator><creator>Nash, J.</creator><creator>Kendig, D. J.</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>BSCLL</scope><scope>CYE</scope><scope>CYI</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope><scope>7TG</scope><scope>KL.</scope><scope>OTOTI</scope></search><sort><creationdate>199103</creationdate><title>Temperature trends in the lower mesosphere</title><author>Aikin, A. C. ; Chanin, M. L. ; Nash, J. ; Kendig, D. J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4776-3e1c76c9d26e0530400c9f1885b38005f91df02ad6e4fdb4e237524244e76243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>540110</topic><topic>Air pollution</topic><topic>ALKANES</topic><topic>CARBON COMPOUNDS</topic><topic>CARBON DIOXIDE</topic><topic>CARBON OXIDES</topic><topic>CHALCOGENIDES</topic><topic>Channels</topic><topic>CLIMATES</topic><topic>CLIMATIC CHANGE</topic><topic>EARTH ATMOSPHERE</topic><topic>Earth, ocean, space</topic><topic>ECOLOGICAL CONCENTRATION</topic><topic>ELECTROMAGNETIC RADIATION</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>FREONS</topic><topic>General properties of the high atmosphere</topic><topic>Geophysics</topic><topic>GREENHOUSE EFFECT</topic><topic>GREENHOUSE GASES</topic><topic>HALOGENATED ALIPHATIC HYDROCARBONS</topic><topic>HYDROCARBONS</topic><topic>Lidar</topic><topic>LONG WAVE RADIATION</topic><topic>MEASURING INSTRUMENTS</topic><topic>MESOSPHERE</topic><topic>METHANE</topic><topic>MONITORING</topic><topic>OPTICAL RADAR</topic><topic>ORGANIC COMPOUNDS</topic><topic>ORGANIC HALOGEN COMPOUNDS</topic><topic>OXIDES</topic><topic>OXYGEN COMPOUNDS</topic><topic>Physics of the high neutral atmosphere</topic><topic>RADAR</topic><topic>Radiance</topic><topic>RADIATIONS</topic><topic>RADIOWAVE RADIATION</topic><topic>RANGE FINDERS</topic><topic>SATELLITES</topic><topic>TEMPERATURE MEASUREMENT</topic><topic>TEMPERATURE MONITORING</topic><topic>Trends</topic><topic>VARIATIONS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aikin, A. C.</creatorcontrib><creatorcontrib>Chanin, M. L.</creatorcontrib><creatorcontrib>Nash, J.</creatorcontrib><creatorcontrib>Kendig, D. 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J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Temperature trends in the lower mesosphere</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>1991-03</date><risdate>1991</risdate><volume>18</volume><issue>3</issue><spage>416</spage><epage>419</epage><pages>416-419</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>The largest atmospheric temperature changes due to the increase of greenhouse gases are expected in the 40 to 60 km altitude region, where enhanced infrared cooling decreases the temperature. Ten-year (1980-1990) temperature trends at 55 km and 0.4 mb, derived using data from the ground-based lidar at Haute Provence, (France), and the SSU-instrument channel 47X on several satellites, are presented. These data show temperature decreases that are as large and in some cases exceed predictions based on current models. At 44 deg N, the ground-based lidar and satellite techniques give a negative trend of -0.10 + or - 0.04 percent per year and -0.14 + or - 0.02 percent per year, respectively. Agreement between these two data sets based on different measurement techniques gives confidence in the detected trends at this latitude. Further analysis of the SSU 47X satellite data between 45 deg S and 45 deg N indicates a maximum decline of 0.16 percent per year near 30 deg N. A minimum trend decrease of 0.07 percent per year is detected between 20 and 30 deg S. Based on NOAA satellite radiance observations, these long-term temperature changes are larger than changes at any of the other stratospheric levels below 55 km monitored during this period.</abstract><cop>Legacy CDMS</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/91GL00233</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-8276 |
| ispartof | Geophysical research letters, 1991-03, Vol.18 (3), p.416-419 |
| issn | 0094-8276 1944-8007 |
| language | eng |
| recordid | cdi_osti_scitechconnect_5643303 |
| source | Wiley Online Library Journals Frontfile Complete; NASA Technical Reports Server |
| subjects | 540110 Air pollution ALKANES CARBON COMPOUNDS CARBON DIOXIDE CARBON OXIDES CHALCOGENIDES Channels CLIMATES CLIMATIC CHANGE EARTH ATMOSPHERE Earth, ocean, space ECOLOGICAL CONCENTRATION ELECTROMAGNETIC RADIATION ENVIRONMENTAL SCIENCES Exact sciences and technology External geophysics FREONS General properties of the high atmosphere Geophysics GREENHOUSE EFFECT GREENHOUSE GASES HALOGENATED ALIPHATIC HYDROCARBONS HYDROCARBONS Lidar LONG WAVE RADIATION MEASURING INSTRUMENTS MESOSPHERE METHANE MONITORING OPTICAL RADAR ORGANIC COMPOUNDS ORGANIC HALOGEN COMPOUNDS OXIDES OXYGEN COMPOUNDS Physics of the high neutral atmosphere RADAR Radiance RADIATIONS RADIOWAVE RADIATION RANGE FINDERS SATELLITES TEMPERATURE MEASUREMENT TEMPERATURE MONITORING Trends VARIATIONS |
| title | Temperature trends in the lower mesosphere |
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