Weathering Incongruence in Mountainous Mediterranean Climates Recorded by Stream Lithium Isotope Ratios
Jon K. Golla,
Julien Bouchez,
Marie L. Kuessner
et al.
Abstract:Lithium isotope ratios (δ7Li) of rivers are increasingly serving as a diagnostic of the balance between chemical and physical weathering contributions to overall landscape denudation rates. Here, we show that intermediate weathering intensities and highly enriched stream δ7Li values typically associated with lowland floodplains can also describe small upland watersheds subject to cool, wet climates. This behavior is revealed by stream δ7Li between +22.4 and +23.5‰ within a Critical Zone observatory located in … Show more
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