@Article{ClemeshaTakSimGobBat:2005:ExEvSo,
author = "Clemesha, Barclay Robert and Takahashi, Hisao and Simonich, D. M.
and Gobbi, Delano and Batista, Pedro Paulo",
affiliation = "Instituto Nacional de Pesquisas Espaciais,Divis{\~a}o de
Aeronomia(INPE,DAE)",
title = "Experimental evidence for solar cycle and long-term changes in the
low-latitude MLT region",
journal = "Journal of Atmospheric and Solar-Terrestrial Physics",
year = "2005",
volume = "67",
number = "1-2",
pages = "191--196",
month = "Jan.",
keywords = "global trend, solar-cycle, MLT.",
abstract = "There is a great deal of interest in long-term change in the upper
atmosphere and its possible relationship with human activities,
but it is clear that we do not yet have a consistent picture of
solar cycle and long-term trends in the MLT region. The long
series of rocket measurements made from the early 1960s through to
the mid-1990s. over a wide range of latitudes, have been
interpreted by some as showing strong long-term trends, but there
are considerable doubts as to the reliability of these
measurements for heights above about 50 km. Measurements made by
various other techniques, such as airglow rotational temperature,
VLF reflection height. and satellite-borne radiometers provide
conflicting results. At low latitudes, published results from
satellite and sodium lidar measurements indicate negligible trends
but new results from OH rotational temperature measurements, made
a 23degreesS. show consistent solar cycle variations in very close
synchronization with the F10.7 flux, although with a linear trend
much larger than expected. (C) 2004 Elsevier Ltd. All rights
reserved.",
copyholder = "SID/SCD",
issn = "1364-6826",
language = "English",
targetfile = "99.pdf",
urlaccessdate = "16 jun. 2024"
}