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Titolo:
Experimental simulation of rapid rock block disintegration by sodium chloride in a foggy coastal desert
Autore:
Goudie, AS; Parker, AG;
Indirizzi:
Univ Oxford, Sch Geog, Oxford OX1 3TB, England Univ Oxford Oxford England OX1 3TB rd, Sch Geog, Oxford OX1 3TB, England
Titolo Testata:
JOURNAL OF ARID ENVIRONMENTS
fascicolo: 4, volume: 40, anno: 1998,
pagine: 347 - 355
SICI:
0140-1963(199812)40:4<347:ESORRB>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
SALT;
Keywords:
salt weathering; fog moisture; sodium chloride; Namib;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Goudie, AS Univ Oxford, Sch Geog, Mansfield Rd, Oxford OX1 3TB, England Univ Oxford Mansfield Rd Oxford England OX1 3TB 1 3TB, England
Citazione:
A.S. Goudie e A.G. Parker, "Experimental simulation of rapid rock block disintegration by sodium chloride in a foggy coastal desert", J ARID ENV, 40(4), 1998, pp. 347-355

Abstract

An environmental chamber was used to simulate a 24-h cycle of rock surfacetemperature and relative humidity, a stone pavement with differing levels of sodium chloride content, and differing levels of fog precipitation to assess some of the controls of rock weathering in the vicinity of Swakopmund in the Namib Desert. The rock employed was Cretaceous Chalk.. Some treatments were effective at causing disintegration after 76 temperature/humidity cycles and 10 fog cycles. Small amounts of fog moisture (0.5 mm per event) were associated with the greatest amounts of breakdown, whereas the amount of salt in the simulated pavements appeared to be of less significance. The experiment showed that sodium chloride can be an effective agent of weathering in a coastal foggy environment. (C) 1998 Academic Press.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/09/20 alle ore 16:00:51