Model:TreeThrow: Difference between revisions
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|Model type=Single | |Model type=Single | ||
|Categories=Terrestrial | |Categories=Terrestrial | ||
|One-line model description=Sediment transport by tree throw on hillslopes | |One-line model description=Sediment transport by tree throw on hillslopes | ||
|Extended model description=Plot scale, spatially implicit model of tree throw on hillslopes. We couple an existing forest growth model with a couple simple equations for the transport of sediment caused by tree fall. | |Extended model description=Plot scale, spatially implicit model of tree throw on hillslopes. We couple an existing forest growth model with a couple simple equations for the transport of sediment caused by tree fall. | ||
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{{Model technical information | {{Model technical information | ||
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|CCA component=No but possible | |CCA component=No but possible | ||
|IRF interface=No but possible | |IRF interface=No but possible | ||
|CMT component=Not yet | |||
|Memory requirements=-- | |Memory requirements=-- | ||
|Typical run time=Seconds to minutes | |Typical run time=Seconds to minutes | ||
}} | }} | ||
{{Input - Output description | {{Input - Output description | ||
|Describe input parameters=fraction of trees that move sediment when they die, # of plots to simulate, # of years to simulate, with or without growth of Chestnut. | |Describe input parameters=fraction of trees that move sediment when they die, # of plots to simulate, # of years to simulate, with or without growth of Chestnut. | ||
|Input format=ASCII | |Input format=ASCII | ||
|Other input format=Command line | |Other input format=Command line | ||
|Describe output parameters=Characteristics of tree growth (stand biomass, stem count, leaf area, diamter) and characteristics of sediment transport (sediment flux in m4/m/yr, # of tree falls) | |Describe output parameters=Characteristics of tree growth (stand biomass, stem count, leaf area, diamter) and characteristics of sediment transport (sediment flux in m4/m/yr, # of tree falls) | ||
|Output format=ASCII | |Output format=ASCII | ||
|Pre-processing software needed?=No | |Pre-processing software needed?=No | ||
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{{Process description model | {{Process description model | ||
|Describe processes represented by the model=Growth, death, and regeneration of individual trees. Sediment flux moved by each tree. | |Describe processes represented by the model=Growth, death, and regeneration of individual trees. Sediment flux moved by each tree. | ||
|Describe key physical parameters and equations=Species specific, logistic growth equation for individual trees. | |Describe key physical parameters and equations=Species specific, logistic growth equation for individual trees. | ||
Sediment flux for each tree fall a function of sediment volume, transport distance, and hillslope angle. | Sediment flux for each tree fall a function of sediment volume, transport distance, and hillslope angle. | ||
Sediment volume and transport distance a function of tree diamter. | Sediment volume and transport distance a function of tree diamter. | ||
|Describe length scale and resolution constraints=Zero dimensional model simulating a 1/12 ha plot. | |Describe length scale and resolution constraints=Zero dimensional model simulating a 1/12 ha plot. | ||
|Describe time scale and resolution constraints=Annual time step, usually simulate ~1000 years. | |Describe time scale and resolution constraints=Annual time step, usually simulate ~1000 years. | ||
|Describe any numerical limitations and issues=-- | |Describe any numerical limitations and issues=-- | ||
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}} | }} | ||
{{Users groups model | {{Users groups model | ||
|Do you have current or future plans for collaborating with other researchers?=no, but would like to | |Do you have current or future plans for collaborating with other researchers?=no, but would like to | ||
}} | }} | ||
{{Documentation model | {{Documentation model | ||
|Provide key papers on model if any=(the | |Provide key papers on model if any=Key Papers: | ||
*'''Botkin, D. B., Janak, J. F., Wallis, J. R., 1972. Some Ecological Consequences of a Computer Model of Forest Growth. Journal of Ecology, 60(3): 849~872.''' | |||
*'''Shugart, H. H., West, D. C., 1977. Development of an Appalachian Deciduous Forest Succession Model and its Application to Assessment of the Impact of the Chestnut Blight. Journal of Environmental Management, 5: 161~179. ''' | |||
|Manual model available=No | |Manual model available=No | ||
|Model website if any=None | |Model website if any=None | ||
Revision as of 18:16, 24 March 2011
Contact
| Name | Matthew Kirwan |
| Type of contact | Model developer |
| Institute / Organization | USGS, University of Virginia |
| Postal address 1 | Dept. of Environmental Sciences |
| Postal address 2 | PO Box 400123 |
| Town / City | Charlottesville |
| Postal code | 22904 |
| State | Virginia |
| Country | USA"USA" is not in the list (Afghanistan, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, ...) of allowed values for the "Country" property. |
| Email address | mkirwan@usgs.gov |
| Phone | 434-924-3186 |
| Fax |
| Name | Hank Shugart |
| Type of contact | Model developer |
| Institute / Organization | |
| Postal address 1 | |
| Postal address 2 | |
| Town / City | |
| Postal code | |
| State | |
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TreeThrow
Metadata
Summary
Technical specs
In/Output
Process
Testing
Other
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