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(3HamiltonSymposium du Congrès International de Géomorphologie en Anglais - 1997)

Document title

Response of extreme floods in the southwestern United States to climatic variations in the late Holocene

published at : Special Issue. Geomorphic responses to short-term climatic change

Authors(s) and Affiliation(s)

ELY L.L. (1) ;
(1) Dep. Geology, Central Washington Univ., Ellensburg, ETATS-UNIS

Abstract

A regional synthesis of paleoflood chronologies on rivers in Arizona and southern Utah reveals that the largest floods over the last 5000 years cluster into distinct time periods that are related to regional and global climatic fluctuations. The flood chronologies were constructed using fine-grained slackwater deposits that accumulate in protected areas along the margins of bedrock canyons and selectively preserve evidence of the largest events. A positive relationship between the paleofloods and long-term variations in the frequency of El Niño events is evident over the last 1000 years

Source

Congrès

Symposium du Congrès International de Géomorphologie No3, Hamilton , CANADA ()

published at : Geomorphology / ISSN 0169-555X

Editor : Elsevier, Amsterdam - PAYS-BAS (1987)

Millesime : 1997, vol. 19, no 3-4 [pp. 175-201]

Bibliographic references : 4 p.

Language

Anglais

INIST-CNRS, Cote INIST : 21151

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 1997.
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