Magnitude-frequency analysis of suspended sediment loads in the subtropical Richmond River basin, northern New South Wales, Australia
Identifieur interne : 00B652 ( Main/Exploration ); précédent : 00B651; suivant : 00B653Magnitude-frequency analysis of suspended sediment loads in the subtropical Richmond River basin, northern New South Wales, Australia
Auteurs : Lester J. Mckee [États-Unis] ; Shahadat Hossain [Australie] ; Bradley D. Eyre [Australie]Source :
- IAHS-AISH publication [ 0144-7815 ] ; 2002.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Zone subtropicale.
English descriptors
- KwdEn :
Abstract
Data from coastal northern New South Wales, Australia, are used to provide an analysis of magnitude and frequency characteristics in a subtropical river. Over a 14-year period, annual discharge varied by 26 times, suspended sediment (SS) load varied 910 times from 668 t to 607 671 t (mean = 105 620 t yeat-1) and 90% of the SS load was transported in only 2.3% of the time. The 4000-4999 Ml day-1 discharge class appears to be most effective for SS transport. The centroid of the annual series (4500 Ml day-1 or 52 m3 s-1) has a return interval of 1.01 years. Discharges in this class occurred for 68 days (an average of five days per year) and carried 50 857 t S$ (3.4% of the total). There may be multiple effective discharges that may be verified by channel features. Future field studies are planned to test this hypothesis.
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>New South Wales</term>
<term>Richmond Basin</term>
<term>channels</term>
<term>field studies</term>
<term>magnitude-frequency relation</term>
<term>possibilities</term>
<term>river discharge</term>
<term>runoff</term>
<term>sediment transport</term>
<term>sediments</term>
<term>subtropical zone</term>
<term>suspended materials</term>
<term>turbidity</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Nouvelle Galles du Sud</term>
<term>Basin Richmond</term>
<term>Débit rivière</term>
<term>Transport sédiment</term>
<term>Chenal</term>
<term>Etude terrain</term>
<term>Relation magnitude fréquence</term>
<term>Sédiment</term>
<term>Matière en suspension</term>
<term>Zone subtropicale</term>
<term>Turbidité</term>
<term>Ruissellement</term>
<term>Perspective</term>
<term>Bassin rivière Richmond</term>
<term>Charge sédiment</term>
<term>Variabilité</term>
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<front><div type="abstract" xml:lang="en">Data from coastal northern New South Wales, Australia, are used to provide an analysis of magnitude and frequency characteristics in a subtropical river. Over a 14-year period, annual discharge varied by 26 times, suspended sediment (SS) load varied 910 times from 668 t to 607 671 t (mean = 105 620 t yeat<sup>-1</sup>
) and 90% of the SS load was transported in only 2.3% of the time. The 4000-4999 Ml day<sup>-1</sup>
discharge class appears to be most effective for SS transport. The centroid of the annual series (4500 Ml day<sup>-1</sup>
or 52 m<sup>3</sup>
s<sup>-1</sup>
) has a return interval of 1.01 years. Discharges in this class occurred for 68 days (an average of five days per year) and carried 50 857 t S$ (3.4% of the total). There may be multiple effective discharges that may be verified by channel features. Future field studies are planned to test this hypothesis.</div>
</front>
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<li>États-Unis</li>
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<name sortKey="Eyre, Bradley D" sort="Eyre, Bradley D" uniqKey="Eyre B" first="Bradley D." last="Eyre">Bradley D. Eyre</name>
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