Mesosphere/lower thermosphere wind measurements over Europe in summer 1998
In July and August 1998, co-ordinated measurements of winds in the mesosphere/lower thermosphere region were carried out using meteor radars at Obninsk (Russia), Kharkov (Ukraine), Shrivenham (UK), and the low-frequency windprofiler at Collm (Germany). The strongest feature observed during this camp...
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| Veröffentlicht in: | Journal of atmospheric and solar-terrestrial physics 2001-07, Vol.63 (10), p.1017-1031 |
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| container_title | Journal of atmospheric and solar-terrestrial physics |
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| creator | Jacobi, Ch Portnyagin, Yu.I. Merzlyakov, E.G. Kashcheyev, B.L. Oleynikov, A.N. Kürschner, D. Mitchell, N.J. Middleton, H.R. Muller, H.G. Comley, V.E. |
| description | In July and August 1998, co-ordinated measurements of winds in the mesosphere/lower thermosphere region were carried out using meteor radars at Obninsk (Russia), Kharkov (Ukraine), Shrivenham (UK), and the low-frequency windprofiler at Collm (Germany). The strongest feature observed during this campaign was a quasi 2-day wave that appeared in the second half of July. This wave had nearly constant phase when a period of
48
h
was assumed. Phase comparison between the sites revealed a zonal wave number of 4. The quasi 2-day wave event was connected with a decrease in the zonal prevailing wind, indicating wave-mean flow interaction. In addition, non-linear interaction between the quasi 2-day wave and the semidiurnal tide occurred. In August the quasi 2-day wave amplitude decreased, but other oscillations were still present. A long-period modulation of the semidiurnal tide over Europe was also observed, indicating interaction between the semidiurnal tide and a planetary wave. |
| doi_str_mv | 10.1016/S1364-6826(01)00012-8 |
| format | Article |
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48
h
was assumed. Phase comparison between the sites revealed a zonal wave number of 4. The quasi 2-day wave event was connected with a decrease in the zonal prevailing wind, indicating wave-mean flow interaction. In addition, non-linear interaction between the quasi 2-day wave and the semidiurnal tide occurred. In August the quasi 2-day wave amplitude decreased, but other oscillations were still present. A long-period modulation of the semidiurnal tide over Europe was also observed, indicating interaction between the semidiurnal tide and a planetary wave.</description><identifier>ISSN: 1364-6826</identifier><identifier>EISSN: 1879-1824</identifier><identifier>DOI: 10.1016/S1364-6826(01)00012-8</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Middle atmosphere ; Planetary waves ; Radar wind measurements ; Tides</subject><ispartof>Journal of atmospheric and solar-terrestrial physics, 2001-07, Vol.63 (10), p.1017-1031</ispartof><rights>2001 Elsevier Science Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c369t-cf7f76b927c3b48bf181efd6daaa6bcb6ac0547f7cdf21f0254d59bf470a94433</citedby><cites>FETCH-LOGICAL-c369t-cf7f76b927c3b48bf181efd6daaa6bcb6ac0547f7cdf21f0254d59bf470a94433</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1364682601000128$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Jacobi, Ch</creatorcontrib><creatorcontrib>Portnyagin, Yu.I.</creatorcontrib><creatorcontrib>Merzlyakov, E.G.</creatorcontrib><creatorcontrib>Kashcheyev, B.L.</creatorcontrib><creatorcontrib>Oleynikov, A.N.</creatorcontrib><creatorcontrib>Kürschner, D.</creatorcontrib><creatorcontrib>Mitchell, N.J.</creatorcontrib><creatorcontrib>Middleton, H.R.</creatorcontrib><creatorcontrib>Muller, H.G.</creatorcontrib><creatorcontrib>Comley, V.E.</creatorcontrib><title>Mesosphere/lower thermosphere wind measurements over Europe in summer 1998</title><title>Journal of atmospheric and solar-terrestrial physics</title><description>In July and August 1998, co-ordinated measurements of winds in the mesosphere/lower thermosphere region were carried out using meteor radars at Obninsk (Russia), Kharkov (Ukraine), Shrivenham (UK), and the low-frequency windprofiler at Collm (Germany). The strongest feature observed during this campaign was a quasi 2-day wave that appeared in the second half of July. This wave had nearly constant phase when a period of
48
h
was assumed. Phase comparison between the sites revealed a zonal wave number of 4. The quasi 2-day wave event was connected with a decrease in the zonal prevailing wind, indicating wave-mean flow interaction. In addition, non-linear interaction between the quasi 2-day wave and the semidiurnal tide occurred. In August the quasi 2-day wave amplitude decreased, but other oscillations were still present. A long-period modulation of the semidiurnal tide over Europe was also observed, indicating interaction between the semidiurnal tide and a planetary wave.</description><subject>Middle atmosphere</subject><subject>Planetary waves</subject><subject>Radar wind measurements</subject><subject>Tides</subject><issn>1364-6826</issn><issn>1879-1824</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLxDAUhYMoOI7-BKEr0UWdJE3TZCUyjC9GXKjrkKY3WGmbmrQz-O_NPFzP6h4u3zlwDkKXBN8STPjsnWScpVxQfo3JDcaY0FQcoQkRhUyJoOw46n_kFJ2F8B2hggo-QS-vEFzov8DDrHFr8MkQdbt_Jeu6q5IWdBg9tNANIXGryCxG73pI6i4JY9vGB5FSnKMTq5sAF_s7RZ8Pi4_5U7p8e3ye3y9Tk3E5pMYWtuClpIXJSiZKSwQBW_FKa81LU3JtcM4iYypLicU0Z1UuS8sKrCVjWTZFV7vc3rufEcKg2joYaBrdgRuDorEmxVweBIlgssCYRzDfgca7EDxY1fu61f5XEaw2E6vtxGqzn8JEbSdWIvrudj6IdVc1eBVMDZ2BqvZgBlW5-kDCH9ORg-Y</recordid><startdate>20010701</startdate><enddate>20010701</enddate><creator>Jacobi, Ch</creator><creator>Portnyagin, Yu.I.</creator><creator>Merzlyakov, E.G.</creator><creator>Kashcheyev, B.L.</creator><creator>Oleynikov, A.N.</creator><creator>Kürschner, D.</creator><creator>Mitchell, N.J.</creator><creator>Middleton, H.R.</creator><creator>Muller, H.G.</creator><creator>Comley, V.E.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>KL.</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20010701</creationdate><title>Mesosphere/lower thermosphere wind measurements over Europe in summer 1998</title><author>Jacobi, Ch ; Portnyagin, Yu.I. ; Merzlyakov, E.G. ; Kashcheyev, B.L. ; Oleynikov, A.N. ; Kürschner, D. ; Mitchell, N.J. ; Middleton, H.R. ; Muller, H.G. ; Comley, V.E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c369t-cf7f76b927c3b48bf181efd6daaa6bcb6ac0547f7cdf21f0254d59bf470a94433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Middle atmosphere</topic><topic>Planetary waves</topic><topic>Radar wind measurements</topic><topic>Tides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jacobi, Ch</creatorcontrib><creatorcontrib>Portnyagin, Yu.I.</creatorcontrib><creatorcontrib>Merzlyakov, E.G.</creatorcontrib><creatorcontrib>Kashcheyev, B.L.</creatorcontrib><creatorcontrib>Oleynikov, A.N.</creatorcontrib><creatorcontrib>Kürschner, D.</creatorcontrib><creatorcontrib>Mitchell, N.J.</creatorcontrib><creatorcontrib>Middleton, H.R.</creatorcontrib><creatorcontrib>Muller, H.G.</creatorcontrib><creatorcontrib>Comley, V.E.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of atmospheric and solar-terrestrial physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jacobi, Ch</au><au>Portnyagin, Yu.I.</au><au>Merzlyakov, E.G.</au><au>Kashcheyev, B.L.</au><au>Oleynikov, A.N.</au><au>Kürschner, D.</au><au>Mitchell, N.J.</au><au>Middleton, H.R.</au><au>Muller, H.G.</au><au>Comley, V.E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mesosphere/lower thermosphere wind measurements over Europe in summer 1998</atitle><jtitle>Journal of atmospheric and solar-terrestrial physics</jtitle><date>2001-07-01</date><risdate>2001</risdate><volume>63</volume><issue>10</issue><spage>1017</spage><epage>1031</epage><pages>1017-1031</pages><issn>1364-6826</issn><eissn>1879-1824</eissn><abstract>In July and August 1998, co-ordinated measurements of winds in the mesosphere/lower thermosphere region were carried out using meteor radars at Obninsk (Russia), Kharkov (Ukraine), Shrivenham (UK), and the low-frequency windprofiler at Collm (Germany). The strongest feature observed during this campaign was a quasi 2-day wave that appeared in the second half of July. This wave had nearly constant phase when a period of
48
h
was assumed. Phase comparison between the sites revealed a zonal wave number of 4. The quasi 2-day wave event was connected with a decrease in the zonal prevailing wind, indicating wave-mean flow interaction. In addition, non-linear interaction between the quasi 2-day wave and the semidiurnal tide occurred. In August the quasi 2-day wave amplitude decreased, but other oscillations were still present. A long-period modulation of the semidiurnal tide over Europe was also observed, indicating interaction between the semidiurnal tide and a planetary wave.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/S1364-6826(01)00012-8</doi><tpages>15</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Middle atmosphere Planetary waves Radar wind measurements Tides |
| title | Mesosphere/lower thermosphere wind measurements over Europe in summer 1998 |
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