VELMA

Visualizing Ecosystem Land Management Assessments

Visualizing Ecosystem Land Management Assessments (VELMA) is an ecosystem model designed to evaluate system hydrology and terrestrial biogeochemistry. The model evaluates the operation of green infrastructure (GI) and the effects of GI failure on stream water quality.

Developer
EPA
Model Information
For more information about this model, go to www.epa.gov
Spatial Resolution
The spatial resolution is variable and ranges from small areas to the watershed basin scale. The spatial grid are defined based on GIS input files used.
Temporal Resolution
The modeled simulation period varies and ranges from days to centuries. Model time step is per day based on the precipitation data.
Outputs
Outputs specifics include water quality characteristics.
Intended User
practitioner
Model Type
ecosystem
Inclusion of Climate Change
Climate scenarios options are included in the model.
Geographic Region
generalized
Data Requirements
data provided by the user
Source Code Availability
open source
Dimensions
3d
Computational Burden
low
Scenario Modeling
scenarios by hand only
Coding Language
GUI, java, python
Operating System
not applicable
Mathematical Approach
simulation
Maintenance Plan
maintained
Date of Last Known Update
17-Sep-14
User Manual
go to documentation at s3.amazonaws.com