MT3D is a family of finite-difference

groundwater Groundwater is the water present beneath Earth's surface in rock and Pore space in soil, soil pore spaces and in the fractures of stratum, rock formations. About 30 percent of all readily available fresh water in the world is groundwater. A unit ...

mass transport Public transport (also known as public transit, mass transit, or simply transit) are forms of transport available to the general public. It typically uses a fixed schedule, route and charges a fixed fare. There is no rigid definition of whic ...

modeling software, often used with

MODFLOW MODFLOW is the U.S. Geological Survey modular finite-difference flow model, which is a computer code that solves the groundwater flow equation. The program is used by hydrogeologists to simulate the flow of groundwater through aquifers. The sou ...

. The first generation, MT3D, was developed by Chunmiao Zheng in 1990, and most recently released by the

U.S. Geological Survey The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the U.S. Department of the Interior whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on March ...

with MT3D-USGS.

Versions

; MT3D : Appeared in 1990. ; MT3DMS : Second generation, released in 1998. Improved to simulate multiple species. ; MT3D-USGS : Third generation, released in 2016. Improved to support new transport modeling capabilities from MODFLOW.

References

Hydrology models Hydrogeology software United States Geological Survey Geology software for Linux Public-domain software {{science-software-stub