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(Article of periodic en Anglais - 2011)

Document title

Historical channel narrowing along the Rio Grande near Albuquerque, New Mexico in response to peak discharge reductions and engineering: magnitude and uncertainty of change from air photo measurements

Authors(s) and Affiliation(s)

SWANSON B.J. (1) ; MEYER G.A. (1) ; COONROD J.E. (2) ;
(1) Dep. of Earth and Planetary Sciences, Univ. New Mexico, Albuquerque, ETATS-UNIS
(2) Dep. of Civil Engineering, Univ. New mexico, Albuquerque, ETATS-UNIS

Abstract

In response to potential risks to infrastructure and ecological integrity, recent (1985–2008) adjustment was investigated and historic (1918–1985) changes in Rio Grande channel planform through the Albuquerque area were reviewed, especially in relation to changes in annual peak discharge and river engineering measures. Using a GIS, channel characteristics were digitized from georeferenced photographs and analyzed with particular attention to quantifying potential measurement error and its propagation. Narrowing was concentrated at tributary inputs and in the upstream part of the reach, where bedload trapping by Cochiti Dam has caused degradation. Bank protection structures and dense vegetation limit bank erosion in the reach, but erosion is significant where expanding islands, incision, and increased meandering force water against banks

Source

Article of periodic

published at : Earth surface processes and landforms / ISSN 0197-9337 / CODEN ESPLDB

Editor : Wiley, Chichester - ROYAUME-UNI (1981)

Millesime : 2011, vol. 36, no7 [pp. 885-900]

Bibliographic references : 2 p.

Collation : 9 fig., 4 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 17355

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1002/esp.2119

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2011
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