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Temporal interpolation of global surface skin temperature diurnal cycle over land under clear and cloudy conditions
 

Summary: Temporal interpolation of global surface skin temperature
diurnal cycle over land under clear and cloudy conditions
F. Aires
Laboratoire de Me´te´orologie Dynamique, CNRS, France
Department of Applied Physics and Applied Mathematics, NASA Goddard Institute for Space Studies, Columbia University,
New York, USA
C. Prigent
Laboratoire de l'Etude du Rayonnement et de la Matie´re en Astrophysique, CNRS, Observatoire de Paris, France
W. B. Rossow
NASA Goddard Institute for Space Studies, New York, USA
Received 22 February 2003; revised 30 July 2003; accepted 9 December 2003; published 26 February 2004.
[1] The surface skin temperature is a key parameter at the land-atmosphere interface. An
accurate description of its diurnal cycle would not only help estimate the energy
exchanges at the interface, it would also enable an analysis of the global surface skin
diurnal cycle and its variability within the last 20 years. This study is based on the
3-hourly surface skin temperature estimated by the International Satellite Cloud
Climatology Project (ISCCP) from the infrared measurements collected by the polar and
geostationary meteorological satellites. The diurnal cycle of surface skin temperature is
analyzed almost globally (60N­60S snow-free areas), using a Principal Component
Analysis. The first three components are identifyed as the amplitude, the phase, and the

  

Source: Aires, Filipe - Laboratoire de Météorologie Dynamique du CNRS, Université Pierre-et-Marie-Curie, Paris 6
Fridlind, Ann - Earth Science Division, NASA Ames Research Center

 

Collections: Environmental Sciences and Ecology; Geosciences