Tracer Equivalent Latitude: A Diagnostic Tool for Isentropic Transport Studies
نویسندگان
چکیده
منابع مشابه
Refinements in the use of equivalent latitude for assimilating sporadic inhomogeneous stratospheric tracer observations, 2: Precise altitude-resolved information about transport of Pinatubo aerosol to very high latitude
From high latitude lidar observations, quite precise information is extracted about the temporal evolution and vertical distribution of volcanic aerosol in the high latitude lower stratosphere following the eruption of Mount Pinatubo. Irreversible mixing of lower stratospheric aerosol, to the arctic pole during early 1992, is demonstrated, as a function of potential temperature and time. This w...
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The use of PV equivalent latitude for assimilating stratospheric tracer observations is discussed – with particular regard to the errors in the equivalent latitude coordinate, and to the assimilation of sparse data. Some example measurements are assimilated: they sample the stratosphere sporadically and inhomogeneously. The aim was to obtain precise information about the isentropic tracer distr...
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Tropospheric transport can be described qualitatively by the slow mean diabatic circulation and rapid isentropic mixing, yet a quantitative understanding of the transport circulation is complicated, as nearly half of the isentropic surfaces in the troposphere frequently intersect the ground. A theoretical framework for the effective isentropic diffusivity of tropospheric transport is presented....
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ژورنال
عنوان ژورنال: Journal of the Atmospheric Sciences
سال: 2003
ISSN: 0022-4928,1520-0469
DOI: 10.1175/1520-0469(2003)060<0287:teladt>2.0.co;2