Earth

Codes for Inverting BOReholes (CIBOR)

cibor

The Codes for Inverting BOReholes (CIBOR) are a collection of scripts to perform Singular Value Decomposition (SVD) inversions of subsurface temperature profiles with different strategies to aggregate results from any number of profiles.

All estimates retrieved by this suite solves the inversion problem: given the final measured subsurface temperature profile, CIBOR estimates the past changes in surface temperatures generating the observed profile. To this end, the code solves a system of equations using a Singular Value Decomposition (SVD) algorithm. Then, three different methods can be used to estimate uncertainties in the inversions and to aggregate results from different profiles to estimate regional and global means. Please, check Cuesta-Valero et al. (2022) for a detailed comparision of CIBOR methods.

Reference:

Cuesta-Valero, F. J., Beltrami, H., Gruber, S., García-García, A., and González-Rouco, J. F. (2022). A new bootstrap technique to quantify uncertainty in estimates of ground surface temperature and ground heat flux histories from geothermal data. Geosci. Model Dev., 15, 7913-7932, doi:10.5194/gmd-15-7913-2022.

Code:

Cuesta-Valero, F. J. (2022). CIBOR: Codes for Inverting BOReholes (Version 1.0.0) [Computer software]. https://github.com/cuestavalero/CIBOR.

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This work by Francisco José Cuesta Valero is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.