期刊
COMPUTERS & GEOSCIENCES
卷 66, 期 -, 页码 40-53出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cageo.2014.01.010
关键词
Geophysics; Numerical modeling; Inversion; Magnetotellurics; Controlled-source electromagnetics; Sensitivities; Parallelization; Code reuse; Object-oriented programming
资金
- U.S. Department of Energy [DE-FG02-06ER15819]
- National Science Foundation [EAR1225496]
- Division Of Earth Sciences
- Directorate For Geosciences [1225496] Funding Source: National Science Foundation
We describe implementation of a modular system of computer codes for inversion of electromagnetic geophysical data, referred to as ModEM. The system is constructed with a fine level of modular granularity, with basic components of the inversion - forward modeling, sensitivity computations, inversion search algorithms, model parametrization and regularization, data functionals - interchangeable, reusable and readily extensible. Modular sensitivity computations and generic interfaces to parallelized inversion algorithms provide a ready framework for rapid implementation of new applications or inversion algorithms. We illustrate the code's versatility and capabilities for code reuse through implementation of 3D magnetotelluric (MT) and controlled-source EM (CSEM) inversions, using essentially the same components. (C) 2014 Elsevier Ltd. All rights reserved.
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