Zur Kenntnis des Klimas der Freien Atmosphäre über Sizilien

Flohn, Hermann

doi:10.1007/bf01980257

Cited by 1 publication

(1 citation statement)

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“…The ground layer is more or less identical with Lettau's "planetary boundary layer" [5]. Aerological investigations have recently clarified some of its behaviour [4,6,7,8,9] other than the already thoroughly studied influence of friction and Austausch [5]. It seems necessary to subdivide this ground layer into two regions, a bottom jrictional region and an upper jrictional region.…”

Section: (A) the Bottom Layermentioning

confidence: 99%

The Stratification of the Atmosphere1 (I)

Flohn¹,

Penndorf²

1950

Bulletin of the American Meteorological Society

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A suitable nomenclature for atmospheric strata as well as a clear definition of the boundaries is proposed. The necessity of such a new classification is stressed. The atmosphere is divided into an inner and an outer atmosphere; from the latter particles may escape. The inner atmosphere is divided into three spheres—troposphere, stratosphere, and ionosphere—with each sphere in turn being subdivided into 3 or 4 layers. The new classification is based upon the thermal structure of the atmosphere.' Boundaries of each layer are fixed by a sudden change of lapse rate. The bottom layer, the ground layer, the advection layer, and the tropopause layer are subdivisions of the troposphere. The advantages gained by defining a separate tropopause layer as part of the troposphere are discussed in detail. Its upper boundary is assumed to be situated at 12 km over temperate latitudes. The stratosphere, consisting of an isothermal layer, a warm layer, and an upper mixing layer, extends from 12 to 80 km. The atmosphere between 80 and 800 km is occupied by the ionosphere, the subdivisions of which are the E-layer, the Flayer and the atomic layer. Above that height the exosphere exists.

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Section: (A) the Bottom Layermentioning

confidence: 99%