| 242 Titles Match Your Query |
Showing 1 through 50 of 242
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1.
One-Dimensional Transport with Equilibrium Chemistry (OTEQ): A Reactive Transport Model for Streams and Rivers [USGS_OTEQ]
The One-Dimensional Transport with Equilibrium Chemistry (OTEQ) model is a mathematical simulation model used to characterize the fate and transport of waterborne solutes in streams and rivers. The ...
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2.
Bioaccumulation and Aquatic System Simulator (BASS) [USEPA_BASS]
The Bioaccumulation and Aquatic System Simulator (BASS) is a Fortran 90
simulation model that predicts the population and bioaccumulation dynamics of
age-structured fish assemblages which are exposed ...
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3.
MODFLOW-USG: An Unstructured Grid Version of MODFLOW for Simulating Groundwater Flow and Tightly Coupled Processes Using a Control Volume Finite-Difference Formulation [USGS_mfusg]
PARENT SERF
A new version of MODFLOW, called MODFLOW-USG (for UnStructured Grid), was developed to support a wide variety of structured and unstructured grid types, including nested grids and grids based on prismatic ...
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4.
Stochastic Empirical Loading and Dilution Model (SELDM) [USGS_SELDM]
The Stochastic Empirical Loading and Dilution Model (SELDM) is designed to transform complex scientific data into meaningful information about the risk of adverse effects of runoff on receiving waters, ...
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5.
BIOME-BGC: TERRESTRIAL ECOSYSTEM PROCESS MODEL, VERSION 4.1.1 [model_biome-bgc]
Biome-BGC is a computer program that estimates fluxes and storage of energy, water, carbon, and nitrogen for the vegetation and soil components of terrestrial ecosystems. The primary model purpose ...
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6.
CENTURY: MODELING ECOSYSTEM RESPONSES TO CLIMATE CHANGE, VERSION 4 (VEMAP 1995) [century_vemap]
The CENTURY model, Version 4, is a general model of plant-soil nutrient cycling that is being used to simulate carbon and nutrient dynamics for different types of ecosystems including grasslands, ...
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7.
INTEGRATED BIOSPHERE SIMULATOR MODEL (IBIS), VERSION 2.5 [model_ibis]
The Integrated Biosphere Simulator (or IBIS) is designed to be a comprehensive model of the terrestrial biosphere. The model represents a wide range of processes, including land surface physics, canopy ...
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8.
PNET MODELS: CARBON, NITROGEN, WATER DYNAMICS IN FOREST ECOSYSTEMS (VERS. 4 AND 5) [model_archive_pnet_4_and_5]
PnET (Photosynthetic / EvapoTranspiration model) is a nested series of models of carbon, water, and nitrogen dynamics in forest ecosystems. The models can be used to predict transient responses in ...
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9.
WWW - Server and Information Center for Ecological Modeling [01-Ecological_Modelling-00]
(Summary adapted from the Server for Ecological Modelling web site)
This WWW-server provides easy access to available information about
ecological modelling. It is also designed for modellers who ...
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10.
Dynamic Global Vegetation Model (DGVM) [NASA_CASA_DGVM]
A Dynamic Global Vegetation Model (DGVM) has been developed as a new feature of
the NASA-CASA (Carnegie Ames Stanford Approach) ecosystem production and trace
gas model (Potter and Klooster. ...
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11.
NASA-CASA Biosphere Model - Interannual simulations for the 1980's [NASA_CASA_BiosphereModel]
The NASA-CASA Biosphere Model predicts annual global fluxes in terrestrial net
primary production (NPP) at 47-60 Pg C, depending on the yearly conditions,
with over 70% of terrestrial ...
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12.
The Hydrological Routing Algorithm (HYDRA) [NASA_CASA_HYDRA]
The Hydrological Routing Algorithm (HYDRA) is a computer model that simulates
the regional scale flow of water (Coe et al., 2000). HYDRA simulates a set of
physical hydrologic ...
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13.
ModelMuse - A Graphical User Interface for MODFLOW-2005, PHAST, MODPATH, and ZONEBUDGET [USGS_ModelMuse]
ModelMuse is a graphical user interface (GUI) for the U.S. Geological Survey (USGS) models MODFLOW?2005 and PHAST. This software package provides a GUI for creating the flow and transport input file ...
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14.
AQUATOX: A Simulation Model for Aquatic Ecosystems [EPA-AQUATOX]
AQUATOX is a freshwater ecosystem simulation model. It predicts the fate of
various pollutants, such as nutrients and organic toxicants, and their effects
on the ecosystem, ...
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15.
TracerLPM - An Excel Workbook for Interpreting Groundwater Age Distributions from Environmental Tracer Data [USGS_TracerLPM]
TracerLPM is an interactive Excel (2007 or later) workbook program for evaluating groundwater age distributions from environmental tracer data by using lumped parameter models (LPMs). Lumped parameter ...
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16.
LANDFIRE Rapid Assessment Reference Condition Models [LANDFIRE_RARCM]
The Rapid Assessment (RA) vegetation dynamics data help to synthesize the best
available knowledge of vegetation dynamics and quantify the natural range of
variability in vegetation composition and ...
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17.
Spatial Bioclimatology: Daymet [Daymet]
Daymet is a group of computer programs that produce surfaces of daily
temperature, precipitation, radiation, and humidity over large regions, taking
into account the effects of complex terrain. Observations ...
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18.
VORSIM - A Model Building Framework for Microsoft Excel [USDA0430]
"VORSIM - A Model Building Framework for Microsoft Excel" is a computer program
which helps the user build and simulate mathematical models in the Microsoft
Excel spreadsheet. VORSIM can be used to ...
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19.
R program language-Soil and Water Assessment Tool-Flexible Modeling Environment [R-SWAT-FME]
R program language-Soil and Water Assessment Tool-Flexible Modeling Environment (R-SWAT-FME) (Wu and Liu, 2012) is a comprehensive modeling framework that adopts an R package, Flexible Modeling Environment ...
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20.
HOMER: Hybrid Optimization Modeling Software [HOMER]
The HOMER Hybrid Optimization Modeling Software is used for designing and analyzing hybrid power systems, which contain a mix of conventional generators, cogeneration, wind turbines, solar photovoltaics, ...
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21.
Spatial Analysis and Modeling Tool (SAMT) [SAMT]
The Spatial Analysis and Modeling Tool (SAMT) is designed to combine landscape modeling with GIS-data (grids). The main focus is the integration of fuzzy-models and spatial simulation.
Features of ...
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22.
Hortonian Infiltration and Run-Off/On Model [USDA_ARS_HIRO2]
HIRO2 (Hortonian Infiltration and Run-Off/On) is a spatially distributed rainfall-runoff model for event-based studies of space-time watershed processes. A grid-based routing hierarchy was defined ...
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23.
PhenologyMMS - Crop Simulation Model [USDA_ARS_PhenologyMMS]
PhenologyMMS is a simulation model that outlines and quantifies the developmental sequence of different crops under varying levels of water deficits, provides developmental information relevant to ...
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24.
Root Zone Water Quality Model (RZWQM) [USDA_ARS_RZWQM]
The Root Zone Water Quality Model (RZWQM) simulates major physical, chemical, and biological processes in an agricultural crop production system. RZWQM is a one-dimensional (vertical in the soil profile) ...
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25.
Cotton Production Model [USDA_ARS_COTTON_P]
A new process-based cotton model, CPM, has been developed to simulate the growth and development of upland cotton (Gossypium hirsutum L.) throughout the growing season with minimal data input. CPM ...
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26.
DRIFTSIM - Development of a User-Friendly Computer Program to Predict Drift Distances of Spray Droplets [USDA_ARS_DRIFTSIM]
Computer simulation provides a means of determining the relative effects of various factors on spray drift while field experiments to measure spray drift have the limitation that many variables cannot ...
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27.
Soil Temperature and Moisture Model [USDA_ARS_STM2]
The Soil Temperature and Moisture Model model predicts the soil temperature and moisture conditions based on very limited user inputs. The input requirements are:
1. A general soil characterization ...
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28.
CFITIM Model: Estimates parameters in several equilibrium and non-equilibrium transport models from solute breakthrough curves [USDA_ARS_CFITIM]
Traditionally, a two-parameter partial differential equation has been used to describe the one-dimensional convective-dispersive equilibrium transport of chemicals in field soils. The parameters in ...
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29.
CHAIN 2D Model: Simulates the movement of water, heat and multiple solutes in two-dimensional variably-saturated porous media [USDA_ARS_CHAIN_2D]
CHAIN-2D is a computer program for simulating two-dimensional variably
saturated water flow, heat transport, and the movement of solutes involved in
sequential first-order decay reactions. The program ...
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30.
Global TempSIM - Java Tool to Predict Maximum and Minimum Daily Air Temperatures for Any Location on the Globe [USDA_ARS_Global_TempSIM]
The purpose of Global TempSIM tool is to estimate daily maximum and minimum air temperatures for a yearly cycle at any location on the globe. Global TempSIM predicts the daily average air temperature ...
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31.
GlobalRainSIM - Tool to Estimate Daily Rainfall Based Upon Two Databases [USDA_ARS_Global_RainSIM]
The purpose of the GlobalRainSIM tool is to estimate daily precipitation patterns for a yearly cycle at any location on the globe. The user input is simply the latitude and longitude of the selected ...
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32.
Integrated Farm System Model [USDA_ARS_IFSM]
The Integrated Farm System Model is a farm simulation model that predicts the
long-term performance, environmental impact and economics of dairy, beef and
crop farms over multiple years of weather. ...
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33.
Snowmelt-Runoff Model (WinSRM) [USDA_ARS_WinSRM]
The Snowmelt-Runoff Model (WinSRM) is designed to simulate and forecast daily
streamflow in mountain basins where snowmelt is a major runoff factor. Most
recently, it has also been applied to evaluate ...
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34.
Solar Calc: Estimating Hourly Incoming Solar Radiation from Limited Meteorological Data [USDA_ARS_SolarCalc]
Two major properties which determine weed seed germination are soil temperature
and moisture content. Incident radiation is the primary variable controlling
energy input to the soil system and thereby ...
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35.
European Soil Erosion Model (EUROSEM) [EUROSEM]
The European Soil Erosion Model (EUROSEM) is the result of European Commission
funded research involving scientists from Europe and the USA. The model
simulates erosion on ...
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36.
CCSM Climatological Data Atmosphere Model v.6.0 [NCAR_DATM6]
CCSM coupled model is based on a framework which divides the complete climate
system into component models connected by a coupler. This design requires four
component models -- atmosphere, sea-ice, ...
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37.
CCSM Climatological Land Data Model (dlnd6) [NCAR_DLND6]
The Climatological Data Land Model (dlnd) functions as the land component in a
CCSM configuration. The dlnd land component interacts with the coupler just
like any land model would, but it is not ...
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38.
CCSM Data Sea Ice Model (dice6) [NCAR_DICE6]
The Community Sea Ice Model (CSIM) is a dynamic-thermodynamic model that
includes a subgrid-scale ice thickness distribution. It uses the energy
conserving thermodynamics of Bitz and Lipscomb (1999), ...
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39.
CCSM/LANL Parallel Ocean Program (POP) [LANL-POP]
POP is an ocean circulation model derived from earlier models of Bryan, Cox,
Semtner and Chervin in which depth is used as the vertical coordinate. The
model solves the three-dimensional ...
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40.
Community Atmosphere Model (CAM) [NCAR_CAM]
The CAM 3.0 is the fifth generation of the NCAR atmospheric GCM. The name of
the model series has been changed from Community Climate Model (CCM) to
Community Atmosphere Model (CAM) to reflect the ...
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41.
Community Sea Ice Model (CSIM) [NCAR-CSIM]
The Community Sea Ice Model (CSIM) is a dynamic-thermodynamic model that
includes a subgrid-scale ice thickness distribution. It uses the energy
conserving thermodynamics of Bitz and Lipscomb ...
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42.
Fifth-Generation NCAR / Penn State Mesoscale Model (MM5) [MM5_PSU_NCAR]
The PSU/NCAR mesoscale model is a limited-area, nonhydrostatic or hydrostatic
(Version 2 only), terrain-following sigma-coordinate model designed to simulate
or predict mesoscale and regional-scale ...
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43.
NCAR Community Land Model [NCAR_CLM]
The Community Land Model is the land model for the Community Climate System
Model (CCSM) and the Community Atmosphere Model (CAM). It is a collaborative
project between scientists in the ...
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44.
NCAR/ACD TUV: Tropospheric Ultraviolet & Visible Radiation Model [UCAR_TUV]
The Tropospheric Ultraviolet-Visible Model (TUV) model is used over
the wavelength range 121 - 750 nm, for calculating the spectral
irradiance, the spectral actinic flux, photodissociation coefficients ...
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45.
The NCAR CSM Ocean Model (NCOM) Version 1.4 [NCOM-Ocean_Model-00]
The NCAR CSM Ocean Model (NCOM) is based on the GFDL 's Modular Ocean Model
(MOM) 1.1 global oceanic general circulation model with substantial
modifications to include improved mesoscale tracer transport, ...
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46.
MODOPTIM: A General Optimization Program for Ground-Water Flow Model Calibration and Ground-Water Management with MODFLOW [USGS_MODOPTIM]
MODOPTIM is a non-linear ground-water model calibration and management tool that simulates flow with MODFLOW-96 as a subroutine. A weighted sum-of-squares objective function defines optimal solutions ...
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47.
Modular Finite-Element Model for Areal and Axisymmetric Ground-Water Flow Problems [USGS_MODFE]
This MODular, Finite-Element digital-computer program (MODFE) was
developed to provide solutions to ground-water-flow problems based
on the governing equations that describe two-dimensional ...
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48.
ModelMate - A Graphical User Interface (GUI) for Model Analysis [USGS_ModelMate]
ModelMate is a graphical user interface designed to facilitate use of model-analysis programs with models. This initial version of ModelMate supports one model-analysis program, UCODE_2005, and one ...
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49.
TETRANS Model: Estimates one-dimensional Solute Transport Through the Vadose Zone Under Transient-state Conditions [USDA_ARS_TETRANS]
TETrans (an acronym for Trace Element Transport) is a functional,
layer-equilibrium model of one-dimensional solute transport through the vadose
zone under transient-state conditions. This type of ...
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50.
BIOMOC - A Multispecies Solute-Transport Model with Biodegradation [USGS_BIOMOC]
BIOMOC is a two-dimensional model that can simulate the transport
and biotransformation of multiple reacting solutes. The program is
general and flexible, allowing for any combination ...
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Showing 1 through 50 of 242
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