Model:ATS (The Advanced Terrestrial Simulator)

ATS (The Advanced Terrestrial Simulator)

Also known as	Arctic Terrestrial Simulator
Model type	Single
Model part of larger framework	Amanzi
Note on status model
Date note status model

Incorporated models or components:

Spatial dimensions	1D, 1.5D, 2D, 3D
Spatial extent	Landscape-Scale, Watershed-Scale, Reach-Scale, Patch-Scale, Grain-Scale, Point-Based
Model domain	Terrestrial, Hydrology, Cryosphere
One-line model description	The Advanced Terrestrial Simulator (formerly sometimes known as the Arctic Terrestrial Simulator) is a code for solving ecosystem-based, integrated, distributed hydrology.
Extended model description	The Advanced Terrestrial Simulator (formerly sometimes known as the Arctic Terrestrial Simulator) is a code for solving ecosystem-based, integrated, distributed hydrology. Capabilities are largely based on solving various forms of Richards equation coupled to a surface flow equation, along with the needed sources and sinks for ecosystem and climate models. This can (but need not) include thermal processes (especially ice for frozen soils), evapo-transpiration, albedo-driven surface energy balances, snow, biogeochemistry, plant dynamics, deformation, transport, and much more. In addition, we solve problems of reactive transport in both the subsurface and surface, leveraging external geochemical engines through the Alquimia interface.

Keywords:	integrated hydrologic model, Hydrological model, ecohydrology, Cryosphere,

Name	Ethan Coon
Type of contact
Institute / Organization	Oak Ridge National Laboratory
Postal address 1
Postal address 2
Town / City	Oak Ridge
Postal code	37830
State
Country	United States
Email address	coonet@ornl.gov
Phone
Fax

Supported platforms	Unix, Linux, Mac OS, Windows
Other platform
Programming language	C++
Other program language
Code optimized	Multiple Processors
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development	2020
Does model development still take place?	No
If above answer is no, provide end year model development	2023
Code development status	Active
When did you indicate the 'code development status'?	2023
Model availability	As code
Source code availability (Or provide future intension)	Through web repository
Source web address	https://github.com/amanzi/ats
Source csdms web address
Program license type	BSD or MIT X11
Program license type other
Memory requirements
Typical run time

Describe input parameters
Input format
Other input format
Describe output parameters
Output format
Other output format
Pre-processing software needed?	No
Describe pre-processing software
Post-processing software needed?	No
Describe post-processing software
Visualization software needed?	No
If above answer is yes
Other visualization software

Describe processes represented by the model
Describe key physical parameters and equations
Describe length scale and resolution constraints
Describe time scale and resolution constraints
Describe any numerical limitations and issues

Describe available calibration data sets
Upload calibration data sets if available:
Describe available test data sets
Upload test data sets if available:
Describe ideal data for testing

Do you have current or future plans for collaborating with other researchers?

Is there a manual available?	Yes
Upload manual if available:
Model website if any	https://amanzi.github.io/ats/
Model forum / discussion board	https://groups.google.com/forum/#!forum/ats-users

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Authors

Ethan Coon

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