A practical tool for examining paleoerosion rates from sedimentary deposits using cosmogenic radionuclides: Examples from hypothetical scenarios and data

Pedro Val, Gregory D. Hoke

Research output: Contribution to journalArticle

Abstract

We provide a MatlabTM-based algorithm that calculates paleoerosion rates based on measured Cosmogenic Radionuclide (CRN) concentrations from sedimentary deposits and additional geological constraints provided by the user. Based on the input data, the algorithm models CRN concentrations accumulated due to sediment burial and the subsequent exhumation of these deposits. Description of the methods and applications of the algorithm are provided, which includes single or coupled CRNs (i.e., 10Be or 10Be + 26Al). Results from the literature are reproduced. Further applicability of this algorithm is demonstrated with hypothetical scenarios of paleoerosion rates. The tool can be used toward the exploration of necessary assumptions, feasibility of case-studies, and method limits. This contribution accompanies an overview of the paleoerosion rate method, its applications, and necessary assumptions.

Original languageEnglish (US)
Pages (from-to)5078-5088
Number of pages11
JournalGeochemistry, Geophysics, Geosystems
Volume17
Issue number12
DOIs
StatePublished - Dec 1 2016

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Airway Obstruction
Deposits
radioactive isotopes
deposits
cosmogenic radionuclide
Anthralin
Sediments
sediments
exhumation
sediment

Keywords

  • basin deposits
  • hypothetical scenarios
  • Matlab algorithm
  • paleoerosion rates

ASJC Scopus subject areas

  • Geophysics
  • Geochemistry and Petrology

Cite this

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abstract = "We provide a MatlabTM-based algorithm that calculates paleoerosion rates based on measured Cosmogenic Radionuclide (CRN) concentrations from sedimentary deposits and additional geological constraints provided by the user. Based on the input data, the algorithm models CRN concentrations accumulated due to sediment burial and the subsequent exhumation of these deposits. Description of the methods and applications of the algorithm are provided, which includes single or coupled CRNs (i.e., 10Be or 10Be + 26Al). Results from the literature are reproduced. Further applicability of this algorithm is demonstrated with hypothetical scenarios of paleoerosion rates. The tool can be used toward the exploration of necessary assumptions, feasibility of case-studies, and method limits. This contribution accompanies an overview of the paleoerosion rate method, its applications, and necessary assumptions.",
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