Analysis of radiosonde-based lapse rates and the difference between near-surface and satellite-based lower-tropospheric air temperatures over the central United States

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Abstract

Global-scale near-surface air temperatures have risen in recent decades with respect to lower-tropospheric temperatures, and as result, the lower atmospheric lapse rate has apparently steepened providing a possible destabilization effect. In this investigation, we examine the relationship between inferred lapse rate variations based on the difference between near-surface and lower-tropospheric temperature measurements and actual lapse rates from radiosonde data. We find high correlations between the inferred lapse rate and a range of actual lapse rates (the surface-to-70 kPa to the surface-to-30 kPa) in the low-sun season, but insignificant relations during the high-sun season.

Original languageEnglish (US)
Pages (from-to)5-1 - 5-4
JournalGeophysical Research Letters
Volume30
Issue number7
DOIs
StatePublished - Apr 1 2003

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ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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