Meeting:Abstract 2011 CSDMS meeting-050: Difference between revisions
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|CSDMS meeting first name=Chris | |CSDMS meeting first name=Chris | ||
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|CSDMS meeting institute=US Geological | |CSDMS meeting institute=US Geological Survey | ||
|CSDMS meeting city=Woods Hole | |CSDMS meeting city=Woods Hole | ||
|CSDMS meeting state=Massachusetts | |CSDMS meeting state=Massachusetts | ||
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{{CSDMS meeting abstract template}} | |CSDMS meeting abstract title=Stratigraphic Modeling in ROMS | ||
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|CSDMS meeting coauthor first name abstract=Alfredo | |||
|CSDMS meeting coauthor last name abstract=Aretxabaleta | |||
|CSDMS meeting coauthor institute / Organization=US Geological Survey | |||
|CSDMS meeting coauthor town-city=Woods Hole | |||
|State=Massachusetts | |||
|CSDMS meeting coauthor country=USA | |||
|CSDMS meeting coauthor email address=aaretxabaleta@usgs.gov | |||
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|CSDMS meeting abstract=The stratigraphic record is the product of sedimentary processes acting over time. The Regional Ocean Modeling System (ROMS) includes algorithms for the sedimentary processes of erosion, deposition, and mixing of both non-cohesive (sandy) and cohesive (muddy), and routines capable of tracking the evolution of event-scale stratigraphy with layers as fine as a few grain diameters thick. Thus ROMS allows users to relate process with product over time scales ranging from a few seconds to years, over vertical space scales of 0.1 mm to meters, and horizontal space scales of meters to hundreds of kilometers. ROMS requires users to specify the number of bed layers to be tracked at compile time. This improves model efficiency on parallel systems, but complicates the task of tracking stratigraphic evolution. In addition to the number of layers, users can control the minimum and maximum layer thickness and the initial stratigraphy. The effect of these choices and the success of the stratigraphy routines is demonstrated with models of idealized estuaries, deltas, and continental shelves. | |||
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Revision as of 14:06, 31 August 2011
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Stratigraphic Modeling in ROMS
[[Image:|300px|right|link=File:]]The stratigraphic record is the product of sedimentary processes acting over time. The Regional Ocean Modeling System (ROMS) includes algorithms for the sedimentary processes of erosion, deposition, and mixing of both non-cohesive (sandy) and cohesive (muddy), and routines capable of tracking the evolution of event-scale stratigraphy with layers as fine as a few grain diameters thick. Thus ROMS allows users to relate process with product over time scales ranging from a few seconds to years, over vertical space scales of 0.1 mm to meters, and horizontal space scales of meters to hundreds of kilometers. ROMS requires users to specify the number of bed layers to be tracked at compile time. This improves model efficiency on parallel systems, but complicates the task of tracking stratigraphic evolution. In addition to the number of layers, users can control the minimum and maximum layer thickness and the initial stratigraphy. The effect of these choices and the success of the stratigraphy routines is demonstrated with models of idealized estuaries, deltas, and continental shelves.
