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Habilitation Thesis
My Habilitation thesis "Mixed signals in rock magnetism" (part 1).
My Habilitation thesis "Mixed signals in rock magnetism" (part 2).
Published Articles
D. Heslop (2009) On the statistical analysis of the rock magnetic S-ratio. Geophys. J. Int. 178, 159-161.
A. R. Muxworthy, D. Heslop and D. Michalk (2009). Thermal fluctuation fields in basalts. Earth, Planets & Space, 61(1), 111-117.
C.M. Köhler, D. Heslop, M.J. Dekkers, W. Krijgsman, .J.J. van Hinsbergen and T. von Dobeneck (2008). Tracking provenance change during the late Miocene in the Eastern Mediterranean using geochemical and environmental magnetic parameters Geochem. Geophys. Geosyst. doi:10.1029/2008GC002127.
P. D. Clift, K. V. Hodges, D. Heslop, R. Hannigan, H. V. Long and G. Calves (2008). Correlation of Himalayan exhumation rates and Asian monsoon intensity. Nature Geoscience, doi:10.1038/ngeo351.
Y. Fu, T. von Dobeneck, C. Franke, D. Heslop and S. Kasten (2008). Rock magnetic identification and geochemical process models of greigite ormation in Quaternary marine sediments from the Gulf of Mexico (IODP Hole U1319A). Earth and Planetary Science Letters, 275(3-4), 233-245.
U. Proske, D. Heslop and T. J. J. Hanebuth (2008). Salt production in pre-Funan Vietnam: archaeomagnetic reorientation of briquetage fragments. Journal of Archaeological Science, 36, 84-89.
Heslop, D. (2007). Are hydrodynamic shape effects important when modelling the formation of depositional remanent magnetization? Geophys. J. Int. (in press)
Heslop, D. (2007). A wavelet investigation of possible orbital influences on past geomagnetic field intensity. Geochem. Geophys. Geosyst. Vol. 8, Q03003, DOI-10.1029/2006GC001498.
Heslop_and_Dillon_2007-GJI170.pdf
Heslop, D. and Dillon, M. (2007). Unmixing magnetic remanence curves without a priori knowledge. Geophys. J. Int. 170(2), 556-566.
Heslop, D. von Dobeneck, T. and Höcker, M. (2007). Using non-negative matrix factorization in the unmixing of diffuse reflectance spectra. Mar. Geol., 241, 63-78.
Heslop, D. Witt, A. Kleiner, T. and Fabian, K. (2006). The role of magnetostatic interactions in sediment suspensions. Geophy. J. Int., 165 (3). 775-785.
Heslop, D. (2005). A Monte Carlo investigation of the representation of thermally activated single-domain particles within the Day plot. Studia Geophysica Geodetica, 49, 163-176.
Heslop_and_Muxworthy_2005-JMMM288.pdf
Heslop, D. and Muxworthy, A.R. (2005). Aspects of calculating First-Order Reversal Curve distributions. J. Magn. Magn. Mater. 288, 155-167.
Muxworthy_King_and_Heslop_2005-JGR110.pdf
Muxworthy, A.R. King, J. and Heslop, D. (2005). Assessing the ability of First-order-reversal-curve (FORC)diagrams to unravel complex magnetic signals. J. Geophys. Res. 110 (B1): Art. No. B01105.
Heslop, D. McIntosh, G. and Dekkers M.J. (2004). Using time- and temperature-dependent Preisach models to investigate the limitations of modelling isothermal remanent magnetization acquisition curves with cumulative log Gaussian functions. Geophys. J. Int., 157, 55-63.
Muxworthy_and_Heslop_2004-GJI158.pdf
Muxworthy, A.R. Heslop, D. and Williams, W. (2004). Influence of magnetostatic interactions on First-Order Reversal Curve (FORC) diagrams: a micromagnetic approach. Geophys. J. Int., 158, 888-897.
Rodionov_and_Heslop_2003-SGG47.pdf
Rodionov, V.P., Dekkers, M.J., Khramov, A.N., Gurevich, E.L., Krijgsman, W. , Duermeijer, C.E. and Heslop, D. (2003). Paleomagnetism and cyclostratigraphy of the Middle Ordovician Krivolutsky suite, Krivaya Luka section, southern Siberian platform: record of non-synchronous NRM-components or a non-axial geomagnetic field? Studia Geophysica Geodaetica, 47, 255-274.
Heslop_and_Dekkers_2002-PEPI130.pdf
Heslop D. and Dekkers M.J. (2002). Spectral analysis of unevenly spaced climatic time series using CLEAN: signal recovery and derivation of significance levels using a Monte Carlo simulation, Phys. Earth Planet. Inter., 130, 103-116.
Heslop, D., Dekkers, M.J., Kruiver, P.P. and Van Oorschot, I.H.M. (2002). Analysis of isothermal remanent magnetisation acquisition curves using the expectation-maximisation algorithm. Geophys. J. Int., 148, 58-64.
Heslop, D., Dekkers, M.J. and Langereis, C.G. (2002). Timing and structure of the Mid-Pleistocene Transition: records from the loess deposits of Northern China. Palaeogeogr. Palaeoclimatol. Palaeoecol., 105, 133-143.
Kruiver_Dekkers_and_Heslop_2001-EPSL189.pdf
Kruiver, P.P., Dekkers, M.J., and Heslop, D. (2001). Quantification of magnetic coercivity components by the analysis of acquisition curves of isothermal remanent magnetisation, Earth Planet. Sci. Lett., 189, 269-276.
Heslop, D., Langereis, C.G. and Dekkers, M.J. (2000). A new astronomical time scale for the loess deposits of Northern China, Earth Planet. Sci. Lett., 184, 125-139.
Heslop, D., Shaw, J., Bloemendal, J. et al. (1999). Sub-Millenial scale variations in East Asian monsoon systems recorded by dust deposits from North-Western Chinese Loess Plateau, Phys. Chem. Earth, A, 24(9), 785-792.
Partridge_Shaw_and_Heslop_1999-JQS14.pdf
Partridge, T.C., Shaw, J., Heslop, D., Clarke, R.J. (1999). The new hominid skeleton from Sterkfontein, South Africa: age and preliminary assessment. J. Quat. Sci., 14(4),293-298.
Materials for the Ecolmas Multivariate Statstics Course (2008)
Matlab functions and data files to be used in the class exercises.
Lecture_1_-_Hypothesis_testing.pdf
Lecture 1 - Introduction & Hypothesis testing
Introduction:Aims of the course.
Some basic concepts.
Hypothesis testing: Forming a hypothesis.
Confidence levels.
Statistical testing.
Lecture_2_-_Correlation_and_Regression.pdf
Lecture 2 - Correlation and Regression
Linear correlation.
Defining a regression line.
Multivariate linear regression.
Lecture_3_-_Cluster_Analysis.pdf
Lecture 3 - Cluster Analysis
Data points similarity.
Hierachical Clustering.
K-means Clustering.
Fuzzy c-means Clustering.
Lecture_4_-_Dimension_Reduction.pdf
Lecture 4 - Dimension Reduction
Principal components.
Factor analysis.
Multidimensional scaling.
Lecture 5 - Closed Data
Closed data.
Common mistakes.
The additive log-ratio.