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Просмотр по автору "Mitchell N."

Просмотр по автору "Mitchell N."

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  • Climatology of the semidiurnal tide at 52-56°N from ground-based radar wind measurements 1985-1995 
    Jacobi C.; Portnyagin Y.; Solovjova T.; Hoffmann P.; Singer W.; Fahrutdinova A.; Ishmuratov R.; Beard A.; Mitchell N.; Muller H.; Schminder R.; Kürschner D.; Manson A.; Meek C. (1999)
    Long-term wind measurements carried out at 6 northern midlatitude sites (Saskatoon, Sheffield, Juliusruh, Collm, Obninsk, Kazan) are investigated to establish a climatology of the semidiurnal tide in the mesopause region ...
  • Global-scale tidal variability during the PSMOS campaign of June-August 1999: Interaction with planetary waves 
    Pancheva D.; Merzlyakov E.; Mitchell N.; Portnyagin Y.; Manson A.; Jacobi C.; Meek C.; Luo Y.; Clark R.; Hocking W.; MacDougall J.; Muller H.; Kürschner D.; Jones G.; Vincent R.; Reid I.; Singer W.; Igarashi K.; Fraser G.; Fahrutdinova A.; Stepanov A.; Poole L.; Malinga S.; Kashcheyev B.; Oleynikov A. (2002)
    During the PSMOS Global-scale tidal variability experiment campaign of June 1-August 31, 1999, a network of radars made measurements of winds, waves and tides in the mesosphere/lower-thermosphere region over a wide range ...
  • Longitude variability of the solar semidiurnal tide in the lower thermosphere through assimilation of ground- and space-based wind measurements 
    Cierpik K.; Forbes J.; Miyahara S.; Miyoshi Y.; Fahmtdinova A.; Jacobi C.; Manson A.; Meek C.; Mitchell N.; Portnyagin Y. (2003)
    Wind measurements from the Upper Atmosphere Research Satellite (UARS) and model output from the Middle Atmosphere General Circulation Model (GCM) at Kyushu University are used to investigate the nature of nonmigrating ...
  • Mesopause region semidiurnal tide over Europe as seen from ground-based wind measurements 
    Jacobi C.; Portnyagin Y.; Solovjova T.; Hoffmann P.; Singer W.; Kashcheyev B.; Oleynikov A.; Fahrutdinova A.; Solntsev R.; Beard A.; Mitchell N.; Muller H.; Schminder R.; Kürschner D. (1999)
    Wind measurements carried out at 6 European sites are investigated to set up a climatology of the semidiurnal tide in the mesopause region over Europe for the latitudinal range between 50°N and 56°N. Intercomparison of ...
  • Mesosphere/lower thermosphere prevailing wind model 
    Portnyagin Y.; Solovjova T.; Merzlyakov E.; Forbes J.; Palo S.; Ortland D.; Hocking W.; MacDougall J.; Thayaparan T.; Manson A.; Meek C.; Hoffmann P.; Singer W.; Mitchell N.; Pancheva D.; Igarashi K.; Murayama Y.; Jacobi C.; Kuerschner D.; Fahrutdinova A.; Korotyshkin D.; Clark R.; Taylor M.; Franke S.; Fritts D.; Tsuda T.; Nakamura T.; Gurubaran S.; Rajaram R.; Vincent R.; Kovalam S.; Batista P.; Poole G.; Malinga S.; Fraser G.; Murphy D.; Riggin D.; Aso T.; Tsutsumi M. (2004)
    The mesosphere/lower thermosphere (MLT) wind data from the 46 ground-based (GB) MF and meteor radar (MR) stations, located at the different latitudes over the globe, and the space-based (SB) HRDI data were used for ...
  • On the longitudinal structure of the transient day-to-day variation of the semidiurnal tide in the mid-latitude lower thermosphere - I. Winter season 
    Merzlyakov E.; Portnyagin Y.; Jacobi C.; Mitchell N.; Muller H.; Manson A.; Fachrutdinova A.; Singer W.; Hoffmann P. (2001)
    The longitudinal structure of the day-to-day variations of semidiurnal tide amplitudes is analysed based on coordinated mesosphere/lower thermosphere wind measurements at several stations during three winter campaigns. ...
  • Some results of S-transform analysis of the transient planetary-scale wind oscillations in the lower thermosphere 
    Portnyagin Y.; Merzlyakov E.; Jacobi C.; Mitchell N.; Muller H.; Manson A.; Singer W.; Hoffmann P.; Fachrutdinova A. (1999)
    Technique appropriate to the analysis of lower thermospheric wind data recorded by global-scale networks of ground-based instruments are discussed. The S-transform technique is shown to be effective in the analysis of the ...
  • Variability of the quasi-2-day wave observed in the MLT region during the PSMOS campaign of June-August 1999 
    Pancheva D.; Mitchell N.; Manson A.; Meek C.; Jacobi C.; Portnyagin Y.; Merzlyakov E.; Hocking W.; MacDougall J.; Singer W.; Igarashi K.; Clark R.; Riggin D.; Franke S.; Kürschner D.; Fahrutdinova A.; Stepanov A.; Kashcheyev B.; Oleynikov A.; Muller H. (2004)
    A network of 15 northern hemisphere radars has been used to measure horizontal winds in the mesosphere and lower thermosphere during the PSMOS campaign of Summer 1999. The radars are sited at latitudes ranging from 21°N ...

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