文件列表:

CG\zip\01-46\zs1adr (0, 2002-05-12)
CG\zip\01-46\zs1adr\zs1adr.for (55879, 2002-03-14)
CG\zip\01-46\zs1adr\model_b (0, 2002-05-12)
CG\zip\01-46\zs1adr\model_b\an.dat (99, 2001-03-27)
CG\zip\01-46\zs1adr\model_b\anr.dat (4920, 2002-03-14)
CG\zip\01-46\zs1adr\model_b\ans.res (137086, 2002-03-14)
CG\zip\01-46\zs1adr\model_a (0, 2002-05-12)
CG\zip\01-46\zs1adr\model_a\an.dat (191, 2001-03-27)
CG\zip\01-46\zs1adr\model_a\anr.dat (4920, 2002-03-14)
CG\zip\01-46\zs1adr\model_a\ans.res (249770, 2002-03-14)
CG\zip\01-46\z1adr (0, 2002-05-12)
CG\zip\01-46\z1adr\z1adr.for (18031, 2002-03-14)
CG\zip\01-46\z1adr\model_b (0, 2002-05-12)
CG\zip\01-46\z1adr\model_b\an.dat (93, 2001-03-27)
CG\zip\01-46\z1adr\model_b\an.res (25156, 2002-03-14)
CG\zip\01-46\z1adr\model_b\anr.dat (4920, 2002-03-14)
CG\zip\01-46\z1adr\model_a (0, 2002-05-12)
CG\zip\01-46\z1adr\model_a\an.dat (179, 2001-03-27)
CG\zip\01-46\z1adr\model_a\an.res (25910, 2002-03-14)
CG\zip\01-46\z1adr\model_a\anr.dat (4920, 2002-03-14)

README file =========== This floppy contains computer code sources, executables and sample data and result files related to the manuscript 'Magnetotelluric impedances and parametric sensitivities for 1-D generally anisotropic layered media' by J. Pek and F. A. M. Santos The directory structure: ======================== ROOT | readme ...... this file | |-> Z1ADR | | z1adr.for ... Fortran 77 source code for the | | direct solution of the MT problem | | for a 1-D anisotropic layered medium | | (for compilation with Compaq Visual | | Fortran Professional Edition 6.5.0) | |-> MODEL_A | | an.dat ...... model data file for model A used in the | | manuscript (Tab. 1, Fig. 2) | | an.res ...... results of direct MT modelling, impedances, | | apparent resistivities and phases for the | | model A | | anr.dat ..... simple table of apparent resistivities and | | phases as functions of period for model A | |-> MODEL_B | an.dat ...... model data file for model B (a simple 2-layer | model a generally anisotropic basement) | an.res ...... results of direct MT modelling, impedances, | apparent resistivities and phases for the | model B | anr.dat ..... simple table of apparent resistivities and | phases as functions of period for model B | |-> ZS1ADR | zs1adr.for .. Fortran 77 source code for the computation | of MT impedances and their parametric | sensitivities in a 1-D anisotropic layered | medium | (for compilation with Compaq Visual | Fortran Professional Edition 6.5.0) |-> MODEL_A | an.dat ...... model data file for model A used in the | manuscript (Tab. 1, Fig. 2) | ans.res ..... results of direct MT modelling, impedances, | parametric partial derivatives (sensitivities), | apparent resistivities and phases for the | model A | anr.dat ..... simple table of apparent resistivities and | phases as functions of period for model A |-> MODEL_B an.dat ...... model data file for model B (a simple 2-layer model a generally anisotropic basement) ans.res ..... results of direct MT modelling, impedances, parametric partial derivatives (sensitivities), apparent resistivities and phases for the model B anr.dat ..... simple table of apparent resistivities and phases as functions of period for model B Structure of the input data files: ================================== Input data files 'an.dat' contain only parameters of the 1-D anisotropic layered model to be used for the modelling and sensitivity calculations. 1st line ... number of layers including the basement (NL) NL lines ... parameters of the layers: thickness in km, three principal resistivities in Ohm*m, anisotropy strike, dip, and slant, all in degrees, isotropy/anisotropy flag (0 or 1, only in the version for the sensitivity computations). Thickness of the last layer (basement) is an arbitrary real. Within the lines, the data format is free. Output files: ============= The output file for the direct MT solution ('an.res') as well that as for the sensitivity computations ('ans.res') have a simple block structure. At the beginning, the model structure is summarized. Further, blocks with computations results for individual periods follow. Headers are provided to indicate the data arrangement. Both Z1ADR and ZS1ADR provide an auxiliary result file 'anr.dat' which contains a simple table of the apparent resistivities and phases for the model considered. The columns within that file are: period, resistivity XX, phase XX, resistivity XY, phase XY, resistivity YX, phase YX, resistivity YY, phase YY (all in SI units). Program start: ============== To use the programs, copy the respective executable (Z1ADR or ZS1ADR) along with your input data file (AN.DAT) into the same directory and run the exe file. The corresponding result files will be generated. Address of the corresponding author: ==================================== Josef Pek Geophysical Inst., Acad. Sci. Czech Rep. Bocni II/1401, CZ-14131 Prague 4 Czech Republic e-mail: jpk@ig.cas.cz fax: +420-2-72761549

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