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Abstract

Name

ELCOM-CAEDYM (Estuary, Lake and Coastal Ocean Model - Computational Aquatic Ecosystem DYnamics Model)

Description

Three-dimensional lake, estuary and coastal ocean water quality model

Local Contact

David Hamilton, University of Waikato

Wiki URL

https://teamwork.niwa.co.nz/display/IFM/ELCOM-CAEDYM

Scope

Intended biophysical domains

Lakes
Estuaries
Coastal

Does the model address water quality

Yes

Water quality parameters

Nitrogen
Phosphorus
Microbes
Sediment
Generic
Other Includes chlorophyll (multiple phytoplankton groups), dissolved oxygen and physical variables

Intended purpose

Spatially resolved, coupled hydrodynamic-ecological model intended for simulation and prediction of water quality in lakes, reservoirs, estuaries and the coast

Intended types of user

Scientists, academics, students, consultants

Intended breadth of user base (in-house specialist to widespread)

Wide breadth of users and can be picked up by users with moderate expertise in modelling

Geographic range limitations

Applicable globally

Spatial resolution

Three-dimensional; grid sizes depend on size of domain (e.g., lake) and time step

Spatial extent

Farm or small catchment/aquifer/river network/lake/estuary
Medium or large catchment/aquifer/river network/lake/estuary or coastal embayment

Steady state or dynamic

Dynamic

Temporal resolution

Time step from seconds to hours (depends of domain size and grid sizes)

Temporal extent

Can simulate for typically up to one year. Occasionally for periods of 2-3 years.

Spatial types

Other Grid x-y-z domain

Spatial dimensions

3D

Supermodel Membership

If part of a supermodel, describe

Inputs

Climate

Climate data

Topography and topology

Lake bed surface

Soils

 

Landcover/use

 

Groundwater

 

Water quantity/quality flux and state

Stream flow
Stream concentrations and/or mass

Details:

Initial data required to resolve 3-D variations in lake concentration

 

Input data required: old items to be removed once transferred to new template

 

Outputs

Climate

 

Topography and topology

 

Soils

 

Landcover/use

 

Groundwater

 

Water quantity/quality flux and state

Lake concentrations/or and mass

Details:

3-D variations in lake water concentrations resolved at hourly or daily time scale

 

Ouptut data produced: old items to be removed once transferred to new template

 

Development history

Main developers

Centre for Water Research, The University of Western Australia (www.cwr.uwa.edu.ua)

Other development organisations

Several organisations undertake development activities by agreement with Centre for Water Research, The University of Western Australia

Current custodian organisation

Centre for Water Research, The University of Western Australia (www.cwr.uwa.edu.ua)

Funding mechanism

Has been funded through alignment with applied projects

State of development

stable release

First development year

1997

Latest release year

2012

Latest version

2.2

Current development activity

Several organisations undertake development activities by agreement with Centre for Water Research, The University of Western Australia

Likely longevity

Persistent

Cost and IP

Purchase or licence cost

AUD $5,000

Support cost

Options are given for various levels of support and cost beyond obtaining the executable at AUD $5,000

Licence type

Executable

Commercial or IP constraints on use

No restrictions on academic use. Commercial use by arrangement but generally encompassed within AUD $5000 fee

Open/Closed Source

Closed Source

Applications

Locations

Organisations

Description

Publications

Lake Rotoiti

University of Waikato

PhD thesis: N. von Westernhagen 2010. Measurements and modelling of eutrophication processes in Lake Rotoiti, New Zealand

http://hdl.handle.net/10289/4817

Technical considerations

Languages used

Fortran 95

Is a formal API defined?

 

Is the model engine separated from the user interface?

Has separate user interface

User Interface

Graphical Desktop

Techniques/methods for data input

Text input but there are several MATLAB scripts to assist with data preparation

Input data formats

CSV, text

Techniques/methods for data output

Output is NetCDF. Software ARMS (included) is used for visualisation

Output data formats

NetCDF

Techniques/methods for data visualisation

Software ARMS (included) is used for visualisation

Techniques/methods for user interaction and control

ARMS software

Methods included for calibration and uncertainty

User-driven

Operating system / platforms

MS Windows
Linux
OS X

Quality of code and systems engineering

Quality control on code is exercised by the owner of the code (see www.cwr.uwa.edu.au)

Willingness of developers to collaborate

By arrangement with Centre for Water Research, The University of Western Australia

Stability

Software is stable; bugs are reported

Availability of documentation of theory and code/software

Has science manual and user's manual

User information

What do users have to learn?

ARMS is the interface software. Knowledge of MATLAB is useful but not essential. Knolwedge of water quality modelling significantly advances the expertise of the user because comprehensive calibration of water quality variables is generally involved. Comprehensive knowledge of lake hydrodynamics also extremely useful.

Ease of learning

Moderate to advanced

Ease of use

Moderate to advanced

Availability and completeness of user documentation/manuals

Manuals are comprehensive (science manual and user's manual)

Availability of support

Manuals are comprehensive (science manual, user's manual and programmer's guide)

Willingness of developers to support users

Moderate - depends on level of support that is purchased

Availability of user forums

Has comprehensive user forums

Other information

Linkages to other models

Can potentially link to ROTAN and SWAT catchment models for input data and CLIMPACTS (climate model) for input data, but only via outputs from ROTAN/SWAT/CLIMPACTS being used as inputs to DYRESM-CAEDYM (linkage is not explicit coupling)

Notes

 

Name

URL

Description

Centre for Water Research, The University of Western Australia

p://www.cwr.uwa.edu.au/software1/models1.php?mdid=2

Developer and distributor

References