. "554103" . . . "An explanation of discrepancy in mesospheric temperature trends derived from ground-based LF phase-height observations"@en . "Bremer and Berger (J. Atmos. Solar Terr. Phys. 64 (2002) 805) applied a correction for trends in the NO concentration and alpha-eff in the interpretation of trends in the low frequency (LF) phase height measurements and obtained results less consistent with model simulations as well as the observed trends in mesospheric temperatures. The correction is shown to be too large most probably due to the application of inappropriate trends in alpha-eff of Chakrabarty (Adv. Space Res. 20 (1997) 2117), which yield a trend in electron density opposite to that which is observed. The discrepancy between the observational data and model-simulated trends of Bremer and Berger (2002) in the LF phase heights can be largely removed. Even more important, the trends in mesospheric temperatures inferred by Bremer and Berger ((2002) from LF phase heights without the inappropriate correction agree well with the results of analysis of a global set of results on trends in the mesospheric temperatures"@en . "An explanation of discrepancy in mesospheric temperature trends derived from ground-based LF phase-height observations" . . "La\u0161tovi\u010Dka, Jan" . "1727;1730" . . "Bremer and Berger (J. Atmos. Solar Terr. Phys. 64 (2002) 805) p\u0159i interpretaci trend\u016F v m\u011B\u0159en\u00EDch f\u00E1zov\u00FDch v\u00FD\u0161ek odrazu na n\u00EDzk\u00FDch frekvenc\u00EDch (NF) aplikovali opravy na trendy v koncentraci NO a alfa-eff a dostali v\u00FDsledek m\u00E9n\u011B konzistentn\u00ED s modelov\u00FDmi simulacemi i pozorovan\u00FDmi trendy v teplot\u011B mezosf\u00E9ry. Uk\u00E1zali jsme, \u017Ee oprava byla p\u0159\u00EDli\u0161 velk\u00E1, asi d\u00EDky pou\u017Eit\u00ED nespr\u00E1vn\u00FDch trend\u016F v alfa-eff (Chakrabarty, Adv. Space Res. 20 (1997) 2117), co\u017E vede k opa\u010Dn\u00E9mu trendu v elektronov\u00E9 koncentraci, ne\u017E je pozorovan\u00FD trend. Rozpor mezi modelov\u00FDmi a Bremer a Berger (2002) experiment\u00E1ln\u00EDmi trendy v NF f\u00E1zov\u00FDch v\u00FD\u0161k\u00E1ch lze do zna\u010Dn\u00E9 m\u00EDry odstranit. Nav\u00EDc trendy odvozen\u00E9 z pozorov\u00E1n\u00ED Bremerem a Bergerem (2005) z NF f\u00E1zov\u00FDch v\u00FD\u0161ek bez nespr\u00E1vn\u00E9 korekce dob\u0159e souhlas\u00ED s v\u00FDsledky anal\u00FDzy glob\u00E1ln\u00EDho souboru v\u00FDsledk\u016F o trendech v teplot\u011B mezosf\u00E9ry"@cs . "[594367100832]" . . . "66" . "An explanation of discrepancy in mesospheric temperature trends derived from ground-based LF phase-height observations" . . "1"^^ . "4"^^ . "Vysv\u011Btlen\u00ED rozporu v trendech teplot v mezosf\u00E9\u0159e odvozen\u00FDch z pozemn\u00EDch pozorov\u00E1n\u00ED NF f\u00E1zov\u00FDch v\u00FD\u0161ek odrazu"@cs . "1"^^ . "\u010D.18" . . . "Vysv\u011Btlen\u00ED rozporu v trendech teplot v mezosf\u00E9\u0159e odvozen\u00FDch z pozemn\u00EDch pozorov\u00E1n\u00ED NF f\u00E1zov\u00FDch v\u00FD\u0161ek odrazu"@cs . . . "RIV/68378289:_____/04:00104060!RIV/2005/AV0/A04005/N" . . "NL - Nizozemsko" . "An explanation of discrepancy in mesospheric temperature trends derived from ground-based LF phase-height observations"@en . "Journal of Atmospheric and Solar-Terrestrial Physics" . "P(IAA3042101), Z(AV0Z3042911)" . "Mesosphere; Long-term trends; LF phase heights"@en . . "1364-6826" . . . "RIV/68378289:_____/04:00104060" . "Bremer and Berger (J. Atmos. Solar Terr. Phys. 64 (2002) 805) applied a correction for trends in the NO concentration and alpha-eff in the interpretation of trends in the low frequency (LF) phase height measurements and obtained results less consistent with model simulations as well as the observed trends in mesospheric temperatures. The correction is shown to be too large most probably due to the application of inappropriate trends in alpha-eff of Chakrabarty (Adv. Space Res. 20 (1997) 2117), which yield a trend in electron density opposite to that which is observed. The discrepancy between the observational data and model-simulated trends of Bremer and Berger (2002) in the LF phase heights can be largely removed. Even more important, the trends in mesospheric temperatures inferred by Bremer and Berger ((2002) from LF phase heights without the inappropriate correction agree well with the results of analysis of a global set of results on trends in the mesospheric temperatures" . .