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Quantifying Geomorphic Controls on Time in Weathering Systems
- Source :
- Procedia Earth and Planetary Science. :249-253
- Publisher :
- The Authors. Published by Elsevier B.V.
-
Abstract
- The time minerals spend in the weathering zone is crucial in determining soil biogeochemical cycles, solid state chemistry and soil texture. This length of time is closely related to erosion rates and can be modulated by sediment transport, mixing rates within the soil and the temporal evolution of erosion. Here we describe how time length can be approximated using geomorphic metrics and how topography reveals changing residence times of minerals within soils. We also show model simulations from a field site in California that can reproduce observed solid state geochemistry in the eroding portion of the landscape.
- Subjects :
- Biogeochemical cycle
Chemical weathering
010504 meteorology & atmospheric sciences
Soil production function
Soil texture
Earth and Planetary Sciences(all)
food and beverages
Soil science
Weathering
General Medicine
15. Life on land
010502 geochemistry & geophysics
erosion
01 natural sciences
Pedogenesis
topography
13. Climate action
Soil water
Erosion
Geomorphology
Sediment transport
Geology
0105 earth and related environmental sciences
Subjects
Details
- Language :
- English
- ISSN :
- 18785220
- Database :
- OpenAIRE
- Journal :
- Procedia Earth and Planetary Science
- Accession number :
- edsair.doi.dedup.....3c818c2fef91017854319610ec0d4d39
- Full Text :
- https://doi.org/10.1016/j.proeps.2014.08.033