Inverting Topography for Landscape Evolution Model Process Representation: 1. Conceptualization and Sensitivity Analysis

Barnhart, Katherine R.; Tucker, Gregory E.; Doty, Sandra G.; Shobe, Charles M.; Glade, Rachel C.; Rossi, Matthew W.; Hill, Mary C.

doi:10.1029/2018jf004961

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Inverting Topography for Landscape Evolution Model Process Representation: 1. Conceptualization and Sensitivity Analysis

2020
By Barnhart, Katherine R. ; Tucker, Gregory E. ; Doty, Sandra G. ; ...
Source: Journal of Geophysical Research: Earth Surface, 125(7)

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Journal Title:

Journal of Geophysical Research: Earth Surface
Personal Author:

Barnhart, Katherine R. ; Tucker, Gregory E. ; Doty, Sandra G. ; Shobe, Charles M. ; Glade, Rachel C. ; ... More +

Barnhart, Katherine R. ; Tucker, Gregory E. ; Doty, Sandra G. ; Shobe, Charles M. ; Glade, Rachel C. ; Rossi, Matthew W. ; Hill, Mary C. Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NCEI (National Centers for Environmental Information)

NESDIS (National Environmental Satellite, Data, and Information Service) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NCEI (National Centers for Environmental Information) Less -
Description:

Despite considerable community effort, there is no general set of equations to model long-term landscape evolution. In order to determine a suitable set of landscape evolution process laws for a site where postglacial erosion has incised valleys up to 50 m deep, we generate a set of alternative modelsand perform a multimodel analysis. The most basic model we consider includes stream power channel incision, uniform lithology, hillslope transport by linear diffusion, and surface-water discharge proportional to drainage area. We systematically add one, two, or three elements of complexity to this model from one of four categories: hillslope processes, channel processes, surface hydrology, and representation of geologic materials. We apply methods of formal model analysis to the 37 alternativemodels. The global Method of Morris sensitivity analysis method is used to identify model input
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Earth-Surface Processes Geophysics
Source:

Journal of Geophysical Research: Earth Surface, 125(7)
DOI:

https://doi.org/10.1029/2018jf004961
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2169-9003;2169-9011;
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:e0f52ce32e2aa103219c81c40e3f91c4c169add42156dee5c6fc794ac402a6a0
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https://repository.library.noaa.gov/view/noaa/52558/noaa_52558_DS1.pdf
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