Abstract
A new code for gravity inversion is freely available. It can be used to work with data on complete Bouguer anomaly (CBA) and temporal gravity changes (dg), and is derived from several previous independent codes for CBA data inversion (GROWTH gravity inversion) and for gravity inversion of dg data (GROWTH-dg). This methodology enables the recovery of general 3D structures for anomalous density as a free aggregation of small parallelepiped cells filled with an adjusted density contrast. The non-linear problem is solved by exploration of the model space. This new code offers the following interesting advantages: (a) integrated approach for working indistinctly with CBA or dg data, (b) only one code to run, even for further graphical presentations, (c) only a limited number of necessary parameters, having all of them suggested default values, (d) ample graphical information on the running screen, and (e) can be run instantly. We describe the new code and its parameters and possibilities, together with some operational aspects. Several test cases are included. The GROWTH-23 code can be freely downloaded from the GROWTH-23_software repository at github.com, under an open source license.
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