Articles | Volume 4, issue 1
https://doi.org/10.5194/gchron-4-177-2022
https://doi.org/10.5194/gchron-4-177-2022
Research article
 | 
31 Mar 2022
Research article |  | 31 Mar 2022

How many grains are needed for quantifying catchment erosion from tracer thermochronology?

Andrea Madella, Christoph Glotzbach, and Todd A. Ehlers

Data sets

Where does sediment come from? Quantifying catchment erosion with detrital apatite (U-Th)/He thermochronometry G. M. Stock, T. A. Ehlers, and K. A. Farley https://doi.org/10.1130/G22592.1

Model code and software

ESD_thermotrace, A new software to interpret tracer thermochronometry datasets and quantify related confidence levels Andrea Madella, Christoph Glotzbach, and Todd A. Ehlers https://doi.org/10.5880/fidgeo.2021.003

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Short summary
Cooling ages date the time at which minerals cross a certain isotherm on the way up to Earth's surface. Such ages can be measured from bedrock material and river sand. If spatial variations in bedrock ages are known in a river catchment, the spatial distribution of erosion can be inferred from the distribution of the ages measured from the river sand grains. Here we develop a new tool to help such analyses, with particular emphasis on quantifying uncertainties due to sample size.