Program  Description  Developer  Download  PyMT 

Anuga  ANUGA is a hydrodynamic modelling tool that allows users to model realistic flow problems in complex 2D geometries.  Habili, Nariman  
AnugaSed  Addon package to ANUGA with modules for sediment transport and vegetation drag  Perignon, Mariela  
Avulsion

Stream avulsion model  Hutton, Eric  
Badlands  Basin and landscape dynamics  Salles, Tristan  
CAESAR Lisflood

Caesar Lisflood is a morphodynamic / Landscape evolution model that simulates erosion and deposition in river catchments and reaches over time scales from hours to 1000's of years.  Coulthard, Tom  
CREST  The Coupled Routing and Excess STorage (CREST) model is a distributed hydrologic model developed to simulate the spatial and temporal variation of atmospheric, land surface, and subsurface water fluxes and storages by celltocell simulation.  Wang, Jiahu  
CVFEM Rift2D  multiphysics numerical model that simulates rock deformation, fluid flow, solute transport and heat transfer in response to ice sheet loading of multiple cycles  Zhang, Yipeng  
DHSVM  DHSVM is a distributed hydrologic model that explicitly represents the effects of topography and vegetation on water fluxes through the landscape.  DHSVM, Administrator  
DLBRM  Distributed Large Basin Runoff Model  Croley, Thomas  
DR3M  Distributed Routing RainfallRunoff Modelversion II  U.S., Geological Survey  
Delft3D  3D hydrodynamic and sediment transport model  Delft3D, Support  
ECSimpleSnow  A simple snow model  Wang, Kang  
EF5  Ensemble Framework For Flash Flood Forecasting  Flamig, Zac  
ESCAPE  parallel globalscale landscape evolution model  Salles, Tristan  
FLDTA  Simulates flow characteristics based on gradually varied flow equation  Slingerland, Rudy  
GEOtop  Distributed hydrological model, water and energy budgets  Rigon, Riccardo  
GISS GCM ModelE  GISS GCM ModelE  Schmidt, Gavin  
GSFLOW  Groundwater and Surfacewater FLOW model  Markstrom, Steve  
GlimmerCISM  Dynamic thermomechanical ice sheet model  Hagdorn, Magnus  
GreenAmptInfiltrationModel  The GreenAmpt method of infiltration estimation.  Jiang, Peishi  
GroundwaterDupuitPercolator  The GroundwaterDupuitPercolator solves the Boussinesq equation for flow in an unconfined aquifer over an impermeable aquifer base and calculates groundwater return flow to the surface.  Litwin, David  
GullyErosionProfiler1D  This model is designed to simulate longitudinal profiles with headward advancing headcuts.  Rengers, Francis  
HBV  HBV model is a rainfallrunoff model  Craven, John  
HexWatershed  A watershed delineation model based on hexagonal mesh grid  Liao, Chang  
HydroTrend  Climate driven hydrological transport model  Kettner, Albert  
IceFlow  2D semiimplicit shallow ice approximation glacier model  Wickert, Andy  
KWAVE  A model representing infiltration, interception, and runoff using the kinematic wave approximation  McGuire, Luke  
Kudryavtsev Model

Permafrost Active Layer Thickness Model based on Kudryavtsev's parametrization  Overeem, Irina  
LISFLOOD  LISFLOOD  a distributed hydrological rainfallrunoff model  de Roo, Ad  
LOADEST  Software for estimating constituent loads in streams and rivers  Runkel, Rob  
Landlab  Python software framework for writing, assembling, and running 2D numerical models  Tucker, Greg  
MARSSIM  Landform evolution model  Howard, Alan  
MARSSIM V4

MARSSIM terrestrial and planetary Landform Evolution Model  Howard, Alan  
MIDAS  Coupled flow heterogeneous sediment routing model  Slingerland, Rudy  
MODFLOW  MODFLOW is a threedimensional finitedifference groundwater model  Barlow, Paul  
Manningseqbouldersforpaleohydrology  Matlab® code for paleohydrological flood flow reconstruction in a fluvial channel  Huber, Marius  
Meander Centerline Migration Model

Simulation of the longterm migration of meandering rivers flowing above heterogeneous floodplains  Bogoni, Manuel  
Mixed bedrockalluvial morphodynamic  Alluvial morphodynamics of bedrock reaches  Jafarinik, Sadegh  
Mrip  Mrip is a selforganization type model for the formation and dynamics of megaripples in the nearshore.  Gallagher, Edith  
Nitrate Network Model  Nitrate and organic carbon dynamics on a wetlandriver network  Czuba, Jonathan  
OTEQ  OneDimensional Transport with Equilibrium Chemistry (OTEQ): A Reactive Transport Model for Streams and Rivers  Runkel, Rob  
OTIS  OneDimensional Transport with Inflow and Storage (OTIS): A Solute Transport Model for Streams and Rivers  Runkel, Rob  
OlaFlow

Wave generation and active absorption interaction with porous structures framework  Higuera, Pablo  
OverlandFlow

Component simulating overland flow using a 2D numerical approximation of the shallowwater equations following the de Almeida et al., 2012 algorithm for storagecell inundation modeling.  Adams, Jordan  
OverlandFlowBates  This component simulates overland flow using the 2D numerical model of shallowwater flow over topography using the Bates et al. (2010) algorithm for storagecell inundation modeling.  Adams, Jordan  
PHREEQC  PHREEQC version 3 is a computer program written in the C and C++ programming languages that is designed to perform a wide variety of aqueous geochemical calculations  Parkhurst, David  
PIHM  PIHM is a multiprocess, multiscale hydrologic model.  Duffy, Christopher  
PRMS  PrecipitationRunoff Modeling System  Leavesley, George  
ParFlow  Parallel, highperformance, integrated watershed model  Maxwell, Reed  
Pllcart3d  3D numerical simulation of confined miscible flows  Oliveira, Rafael  
PotentialEvapotranspiration  Calculates potential evapotranspiration  Nudurupati, Sai  
PyDeltaRCM  Reduced complexity river delta formation and evolution model with channel dynamics  Perignon, Mariela  
RHESSys  Regional HydroEcologic Simulation System  Tague, christina  
Rescalsnow  A model of dunes and snowwaves  Kochanski, Kelly  
Reservoir  Reservoir: Tools for Analysis, Design, and Operation of Water Supply Storages  Turner, Sean  
River Erosion Model

An intermediate complexity model for simulating stream channel evolution (years to decades) at the watershed scale.  Lammers, Roderick  
River Network BedMaterial Sediment  Bedmaterial sediment transport and storage dynamics on river networks.  Czuba, Jonathan  
River Temperature Model

River Temperature Model based on heat balance approach  Overeem, Irina  
RiverMUSE

Simulates freshwater mussel populations' response to changes in suspended sediment  Schwenk, Jon  
SLAMM 6.7

The Sea Level Affecting Marshes Model (SLAMM)  Clough, Jonathan  
SPARROW  The SPARROW Surface WaterQuality Model  Alexander, Richard  
STVENANT  1D gradually varied flow routine  Slingerland, Rudy  
SWAT  SWAT is a river basin scale model developed to quantify the impact of land management practices in large, complex watersheds.  Arnold, Jeff  
SWEHR  A coupled model for infiltration, fluid flow, and sediment transport.  McGuire, Luke  
SWMM  Storm Water Management Model  Rossman, Lewis  
SedFoam2.0  A multidimensional Eulerian twophase model for sediment transport (version 2.0)  Chauchat, Julien  
SoilInfiltrationGreenAmpt

Landlab component that calculates soil infiltration based on the GreenAmpt solution.  Rengers, Francis  
SoilMoisture  Compute the decay of soil moisture saturation at storminterstorm time period  Nudurupati, Sai  
TISC

TISC integrates quantitative models of lithospheric flexure, fault deformation, and surface mass transport (erosion/transport/sedimentation) along drainage networks.  Garcia Castellanos, Daniel  
TOPMODEL  Physically based, distributed watershed model that simulates hydrologic fluxes of water through a watershed  Beven, Keith  
TaylorNonLinearDiffuser  Model nonlinear soil creep after Ganti et al. (2012)  Glade, Rachel  
ThawLake1D  1D numerical model of permafrost and subsidence processes.  Matell, Nora  
The TELEMAC system

a powerful integrated modeling tool for use in the field of freesurface flows.  TELEMAC support team,   
TopoFlow  Spatiallydistributed, D8based hydrologic model  Peckham, Scott  
TopoFlowChannelsDiffusive Wave  Diffusive Wave process component for flow routing in a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowChannelsDynamic Wave  Dynamic Wave process component for flow routing in a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowChannelsKinematic Wave  Kinematic Wave process component for flow routing in a D8based, spatial hydrologic model.  Peckham, Scott  
TopoFlowDiversions  Diversions component for a D8based, spatial hydrologic model.  Peckham, Scott  
TopoFlowEvaporationEnergy Balance  Evaporation process component (Energy Balance method) for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowEvaporationPriestley Taylor  Evaporation process component (PriestleyTaylor method) for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowEvaporationRead File  Evaporation process component (read from file method) for a spatiallydistributed hydrologic model.  Peckham, Scott  
TopoFlowInfiltrationGreenAmpt  Infiltration process component (GreenAmpt method) for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowInfiltrationRichards 1D  Infiltration process component (Richards 1D method) for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowInfiltrationSmithParlange  Infiltration process component (SmithParlange method) for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowMeteorology  Meteorology process component for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowSaturated ZoneDarcy Layers  Saturated Zone process component (Darcy's law, multiple soil layers) for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowSnowmeltDegreeDay  Snowmelt process component (DegreeDay method) for a D8based, spatial hydrologic model  Peckham, Scott  
TopoFlowSnowmeltEnergy Balance  Snowmelt process component (Energy Balance method) for a D8based, spatial hydrologic model  Peckham, Scott  
TransportLengthHillslopeDiffuser  Transport length hillslope diffusion.  Mouchene, Margaux  
TwoPhaseEulerSedFoam

A fourway coupled twophase Eulerian model for sediment transport  Cheng, Zhen  
UEB  The Utah Energy Balance (UEB) Grid snowmelt model  Tarboton, David  
VIC  VIC (Variable Infiltration Capacity) is a macroscale hydrologic model that solves full water and energy balances, originally developed by Xu Liang at the University of Washington.  Lettenmaier, Dennis  
Vegetation  Model plant dynamics using multiple representative plant species  Nudurupati, Sai  
WBMWTM

Water Balance/Transport Model  Fekete, Balazs  
WBMsed  Global sediment flux and water discharge model.  Cohen, Sagy  
WRFHydro

The WRFHydro® Modeling System, an opensource community model, is used for a range of projects, including flash flood prediction, regional hydroclimate impacts assessment, seasonal forecasting of water resources, and landatmosphere coupling studies. It produces forecasts and analyses for all major terrestrial watercycle components: Precipitation, Streamflow, Soil moisture, Snowpack, Flooding, Groundwater.  McAllister, Molly 
Program  Description  Developer  Download  PyMT 

Acronym1  Ebook: program for computing bedload transport in gravel rivers.  Parker, Gary  
Acronym1D  Ebook: program for computing bedload transport in gravel rivers over time.  Parker, Gary  
Acronym1R  Ebook: program for computing bedload transport in gravel rivers with a ManningStrickler relation for flow resistance.  Parker, Gary  
AgDegBW  Ebook: Calculator for aggradation and degradation of a river reach using a backwater formulation.  Parker, Gary  
AgDegNormGravMixPW  Ebook: calculator for aggradation and degradation of sediment mixtures in gravelbed streams  Parker, Gary  
AgDegNormGravMixSubPW  Ebook: calculator for evolution of upwardconcave bed profiles in rivers carrying sediment mixtures in subsiding basins.  Parker, Gary  
AgDegNormal  Ebook: illustration of calculation of aggradation and degradation of a river reach using the normal flow approximation.  Parker, Gary  
AgDegNormalFault  Ebook: Illustration of calculation of aggradation and degradation of a river reach using the normal flow approximation; with an extension for calculation of the response to a sudden fault along the reach.  Parker, Gary  
AgDegNormalGravMixHyd  Ebook: A module that calculates the evolution of a gravel bed river under an imposed cycled hydrograph.  Parker, Gary  
AgDegNormalSub  Ebook: Program to calculate the evolution of upwardconcave bed profiles in rivers carrying uniform sediment in subsiding basins.  Parker, Gary  
AreaSlope Equation Calculator  Pixel scale AreaSlope equation calculator  Cohen, Sagy  
BackwaterCalculator  Ebook: program for backwater calculations in open channel flow  Parker, Gary  
BackwaterWrightParker  Ebook: calculator for backwater curves in sandbed streams, including the effects of both skin friction and form drag due to skin friction  Parker, Gary  
BedrockAlluvialTransition  Ebook: calculator for aggradation and degradation with a migrating bedrockalluvial transition at the upstream end.  Parker, Gary  
ChannelOscillation  Read note in extended description. Simulates Oscillations in arid alluvial channels  Pelletier, Jon  
Dakotathon

A Python API for the Dakota iterative systems analysis toolkit.  Piper, Mark  
DeltaBW  Ebook: Calculator for evolution of long profile of a river ending in a 1D migrating delta, using a backwater formulation.  Parker, Gary  
DeltaNorm  Ebook: Calculator for evolution of long profile of a river ending in a 1D migrating delta, using the normal flow approximation.  Parker, Gary  
DepDistTotLoadCalc  Ebook: Illustration of calculation of depthdischarge relation, bed load transport, suspended load transport and total bed material load for a large, lowslope sandbed river.  Parker, Gary  
DepressionFinderAndRouter  Find depressions on a topographic surface.  Hobley, Dan  
DrEICH algorithm

Algorithm for extracting channel networks from high resolution topographic data  Clubb, Fiona  
DredgeSlotBW  Ebook: calculator for aggradation and degradation of sediment mixtures in gravelbed streams subject to cyclic hydrographs.  Parker, Gary  
EstuarineMorphologyEstimator

Empirical Assessment Tool for Bathymetry, Flow Velocity and Salinity in Estuaries Based on Tidal Amplitude and RemotelySensed Imagery  Leuven, Jasper  
FACET  Floodplain and Channel Evaluation Tool (FACET)  Lamont, Samuel  
FallVelocity  Ebook: Particle fall velocity calculator  Parker, Gary  
FlowAccumulator  Component to accumulate flow and calculate drainage area.  Barnhart, Katy  
FlowDirectorD8  Singlepath (steepest direction) flow direction with diagonals on rasters.  Barnhart, Katy  
FlowDirectorDinf  Flow direction on a raster grid by the D infinity method.  Barnhart, Katy  
FlowDirectorMFD  Multiplepath flow direction with or without out diagonals.  Barnhart, Katy  
FlowDirectorSteepest  Singlepath (steepest direction) flow direction without diagonals.  Barnhart, Katy  
FwDET

Calculate floodwater depth based on an inundation polygon (e.g. from remote sensing) and a DEM  Cohen, Sagy  
GISKnickFinder  This python code can be used to find knickpoints and extract information about streams, it utilizes builtin functions of ArcGIS.  Rengers, Francis  
GSDCalculator  Ebook: Calculator for statistical characteristics of grain size distributions.  Parker, Gary  
GSFLOWGRASS  Quickly generates input files for and runs GSFLOW, and visualizes the output  Wickert, Andrew  
GravelSandTransition  Ebook: Calculator for evolution of long profile of river with a migrating gravelsand transition and subject to subsidence or base level rise.  Parker, Gary  
GridMET Data Component

A CSDMS data component for fetching and caching gridMET meteorological data.  McDonald, Rich  
HackCalculator  Calculate Hack parameters.  Barnhart, Katy  
Hydromad  Hydrological Model Assessment and Development  Guillaume, Joseph  
IDA

An implementation of the Implicit Drainage Area method (regular and hybrid versions) for calculating drainage area from flow directions using parallel iterative solvers.  Richardson, Alan  
ILAMB  The International Land Model Benchmarking (ILAMB) toolkit  Collier, Nathan  
KnickZonePicker

Matlabbased scripts to extract topometrics for catchments and identify river knickpoints.  Bookhagen, Bodo  
LakeMapperBarnes  Temporarily fills depressions and reroutes flow across them  Hobley, Daniel  
LossyFlowAccumulator  Component to calculate drainage area and accumulate flow, while permitting dynamic loss or gain of flow downstream.  Hobley, Dan  
MFDrouting  Read note in extended description. Multiple Flow Direction (MFD) flow routing method  Pelletier, Jon  
MFDroutingSuccessive  Read note in extended description. Successive flow routing with Multiple Flow Direction (MFD) method  Pelletier, Jon  
ModelParameterDictionary  Tool written in Python for reading model input parameters from a simple formatted text file.  Tucker, Greg  
NEXRADextract  Extract data from NEXRAD Doppler Radar NetCDFs  Wickert, Andy  
NWIS Data Component  A CSDMS data component used to download the National Water Information System (Nwis) time series datasets.  Gan, Tian  
NWM Data Component  A CSDMS data component used to download the National Water Model datasets.  Gan, Tian  
OpenFOAM  Open Field Operation and Manipulation is a toolbox for the development of customized numerical solvers.  Weller, Henry  
PIHMgis  Tightly coupled GIS interface for the Penn State Integrated Hydrologic Model  Duffy, Christopher  
Permafrost Benchmark System

The PBS is a webbased tool for conducting benchmarking studies of permafrost models.  Piper, Mark  
PotentialityFlowRouter  Multidirectional flow routing using a novel method.  Hobley, Daniel  
PrecipitationDistribution  Generate random sequence of precipitation events  Adams, Jordan  
PsHIC  Pixelscale Hypsometric Integral Calculator  Cohen, Sagy  
PyRiverBed  A Python framework to generate synthetic riverbed topography of constantwidth meandering rivers  Li, Zhi  
RecircFeed  Ebook: calculator for approach to equilibrium in recirculating and feed flumes  Parker, Gary  
RiverWFRisingBaseLevelNormal  Ebook: Calculator for disequilibrium aggradation of a sandbed river in response to rising base level.  Parker, Gary  
RouseVanoniEquilibrium  Ebook: Program for calculating the RouseVanoni profile of suspended sediment.  Parker, Gary  
SinkFiller  Fill sinks in a landscape to the brim, following the Barnes et al. (2014) algorithms.  Hobley, Daniel  
SoilGrids Data Component  A CSDMS data component used to download the soil property datasets from the SoilGrids system.  Gan, Tian  
SpatialPrecipitationDistribution  Generate random sequence of spatiallyresolved precipitation events  Hobley, Daniel  
SteadyStateAg  Ebook: calculator for approach to equilibrium in recirculating and feed flumes  Parker, Gary  
SubsidingFan  Ebook: calculator for evolution of profiles of fans in subsiding basins  Parker, Gary  
SuspSedDensityStrat  Ebook: Module for calculating the effect of density stratification on the vertical profiles of velocity and suspended sediment.  Parker, Gary  
TOPOG  TOPOG is a terrain analysisbased hydrologic modelling package  Silberstein, Richard  
TauDEM  A suite of Digital Elevation Model (DEM) tools for the extraction and analysis of hydrologic information from topography as represented by a DEM. TauDEM 5 is a new version implemented to take advantage of parallel processing  Tarboton, David  
TopoFlowDataHIS  The CUAHSI Hydrologic Information System  Peckham, Scott  
TopoToolbox  A set of Matlab functions for topographic analysis  Schwanghart, Wolfgang  
Topography Data Component

A CSDMS data component used to fetch and cache NASA Shuttle Radar Topography Mission (SRTM) land elevation data using the OpenTopography REST API.  Piper, Mark  
WPHydResAMBL  Ebook: Implementation of the WrightParker (2004) formulation for hydraulic resistance combined with the AshidaMichiue (1972) bedload formulation.  Parker, Gary 
indicates open source code models that are available through another community modeling portal. The portals offer much information. To download the code(s) you may be asked to register as a user at their portal. By registering you will receive updates on new releases and other community information. Your registration will help the developers demonstrate to funders the size of their model's community. If you have problems getting access to this open source code, please let us know CSDMSsupport@Colorado.edu. CSDMS has a version of the code in its library and considers the code part of the opensource CSDMS initiative.