Spectral analysis of time series of categorical variables in earth sciences

Buatois, 2011 Dorador, 2014, A novel application of digital image treatment by quantitative pixels analysis to trace fossil research in marine cores, Palaios, 24, 533, 10.2110/palo.2014.044 Dorador, 2014, Quantitative estimation of bioturbation based on digital image analysis, Mar. Geol., 349, 55, 10.1016/j.margeo.2014.01.003 Dorador, 2014, Digital image treatment applied to ichnological analysis of marine core sediments, Facies, 60, 39, 10.1007/s10347-013-0383-z Dowd, 2003, Plurigau: a computer program for simulating spatial facies using the truncated plurigaussian method, Comput. Geosci., 29, 123, 10.1016/S0098-3004(02)00070-5 Ekdale, 2012, The ichnofabric concept, 64, 139 Expedition 339 Scientists, 2013a. Expedition 339 summary. In: Stow, D.A.V., Hernández-Molina, F.J., Alvarez-Zarikian, C.A., Expedition 339 Scientists (Eds.), Proceedings of the Integrated Ocean Drilling Program, 339. Integrated Ocean Drilling Program Management International, Inc., Tokyo. Expedition 339 Scientists, 2013b. Site U1385. In: Stow, D.A.V., Hernández-Molina, F.J., Alvarez-Zarikian, C.A., Expedition 339 Scientists (Eds.), Proceedings of the Integrated Ocean Drilling Program, 339. Integrated Ocean Drilling Program Management International, Inc., Tokyo. Goovaerts, 1997 Hattori, 1976, Entropy in Markov chains and discrimination of cyclic patterns in lithologic successions, Math. Geol., 8, 477, 10.1007/BF01028983 Hernández-Molina, 2013, IODP Expedition 339 in the Gulf of Cadiz and off West Iberia: decoding the environmental significance of the Mediterranean outflow water and its global influence, Sci. Drill., 16, 1, 10.5194/sd-16-1-2013 Hernández-Molina, 2014, Onset of the Mediterranean outflow into the North Atlantic, Science, 344, 1244, 10.1126/science.1251306 Hodell, 2015, A reference time scale for site U1385 (Shackleton site) on the SW Iberian margin, Glob. Planet. Change, 133, 49, 10.1016/j.gloplacha.2015.07.002 Journel, 1990, Characteristic behavior and order relations for indicator variograms, Math. Geol., 22, 1011, 10.1007/BF00890121 Lofi, 2015, Quaternary chronostratigraphic framework and sedimentary processes for the Gulf of Cadiz and Portuguese contourite depositional systems derived from natural gamma ray records, Mar. Geol. McIlroy, 2004, Some ichnological concepts, methodologies, applications and frontiers, 228, 3 McIlroy, 2007, Lateral variability in shallow marine ichnofabrics: implications for the ichnofabric analysis method, J. Geol. Soc. Lond., 164, 359, 10.1144/0016-76492005-101 McIlroy, 2008, Ichnological analysis: the common ground between ichnofacies workers and ichnofabric analysts, Palaeogeogr. Palaeoecol., 270, 332, 10.1016/j.palaeo.2008.07.016 Pardo-Igúzquiza, 2000, The permutation test as a non-parametric method for testing the statistical significance of power spectrum estimation in cyclostratigraphic research, Earth Planet. Sci. Lett., 181, 175, 10.1016/S0012-821X(00)00191-6 Rodriguez-Tovar, 2003, Strong evidence of high frequency (sub-Milankovitch) orbital forcing by amplitude modulation of Milankovitch signals, Earth Planet. Sci. Lett., 210, 179, 10.1016/S0012-821X(03)00131-6 Rodríguez-Tovar, 2014, Ichnological analysis of Pleistocene sediments from the IODP Site U1385 “Shackleton Site” on the Iberian Margin: approaching palaeoenvironmental conditions, Palaeogeogr. Palaeoecol., 409, 24, 10.1016/j.palaeo.2014.04.027 Rodríguez-Tovar, 2013, Incidence of obliquity and precession-forced Milankovitch cycles in the western Mediterranean: early Messinian sedimentation in the Sorbas Basin (Almería, southern Spain), Int. J. Earth Sci. (Geol. Rundsch.), 192, 1735, 10.1007/s00531-013-0890-8 Rodríguez-Tovar, 2016, Deep-sea trace fossil and benthic foraminiferal assemblages across glacial Termination 1, 2 and 4 at the “Shackleton Site” (IODP Expedition 339, Site U1385), Glob. Planet. Change Rodríguez-Tovar, 2016, Ichnofabric characterization in cores: a method of digital image treatment, Ann. Soc. Geol. Pol. Rodríguez-Tovar, 2016, Response of macrobenthic and foraminifers communities to changes in deep sea environmental conditions from Marine Isotope Stage (MIS) 12 to 11 at the “Shackleton Site”, Glob. Planet. Change Schwarzacher, 1969, The use of Markov chains in the study of sedimentary cycles, Math. Geol., 1, 17, 10.1007/BF02047069 Shumway, 2011 Stoffer, 1993, Spectral analysis for categorical time series: Scaling and the spectral envelope, Biometrika, 80, 611, 10.1093/biomet/80.3.611 Stoffer, 2000, The spectral envelope and its applications, Stat. Sci., 15, 224, 10.1214/ss/1009212816 Taylor, 2003, Analysis and application of ichnofabrics, Earth – Sci. Rev., 60, 227, 10.1016/S0012-8252(02)00105-8