MTZ3D package

MTZ3D is a program library for carrying out forward modelling and inversion of magnetotelluric and Z-axis tipper EM data.

Fig. 1 True model, magnetotelluric data and the recovered model.

Highlights of MTZ3D

Highlights of MTZ3D include:

• the ability to model both magnetotelluric impedance data and Z-axis tipper data

• the ability to forward model and invert surface or airborne data in 3D

• the ability to set tolerances for iterative solvers

Contents

The contents of this manual are as follows:

• 1. Package overview
  • 1.1. Description
  • 1.2. MTZ3D Program Library Content
  • 1.3. Licensing
  • 1.4. Installing MTZ3D
• 2. Background theory
  • 2.1. Fundamental Physics
  • 2.2. Natural Sources: MT and ZTEM
  • 2.3. Discretization of Operators
  • 2.4. Forward Problem
  • 2.5. Sensitivity
  • 2.6. Inversion Problem
• 3. Elements
  • 3.1. Introduction
  • 3.2. Main Input Files
  • 3.3. General Files for MTZ3D Executables
• 4. Running the programs
  • 4.1. Executables
  • 4.2. Contents
• 5. Examples
  • 5.1. Create tensor model
  • 5.2. Forward modeling
  • 5.3. Inversion
• 6. References