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Titolo:
SEDIMENT TRANSPORT IN A SMALL STREAM FOLLOWING 2 SUCCESSIVE FOREST-FIRES
Autore:
BEATY KG;
Indirizzi:
FISHERIES & OCEANS CANADA,INST FRESHWATER,501 UNIV CRESCENT WINNIPEG MB R3T 2N6 CANADA
Titolo Testata:
Canadian journal of fisheries and aquatic sciences
fascicolo: 12, volume: 51, anno: 1994,
pagine: 2723 - 2733
SICI:
0706-652X(1994)51:12<2723:STIASS>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
NORTHWESTERN ONTARIO; PRECAMBRIAN SHIELD; BOREAL FOREST; LAKE; WATERSHEDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
38
Recensione:
Indirizzi per estratti:
Citazione:
K.G. Beaty, "SEDIMENT TRANSPORT IN A SMALL STREAM FOLLOWING 2 SUCCESSIVE FOREST-FIRES", Canadian journal of fisheries and aquatic sciences, 51(12), 1994, pp. 2723-2733

Abstract

The transport of stream bedload sediment was monitored continuously in a small stream from 1975 to 1982 following forest fires in 1974 and 1980. The stream is located in the east subcatchment (170 ha) of Lake 239 in the Experimental Lakes Area, northwestern Ontario. Precipitation, stream discharge, bedload transport, and concentration of suspendedmaterials were measured quantitatively and organic debris was observed and collected. Bedload transport increased 20-fold following the first fire and threefold after the second. Particle sizes tended to increase during the period of study. Bedload data suggest a recovery periodof 5-6 yr following the first fire and a shorter one following the second. A mass budget of material load transported in a single year following recovery indicated a dominance of dissolved load (87%), followedby suspended load (10%), and bedload (3%).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/11/20 alle ore 07:07:40