Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina)
Data from paleomagnetic and sedimentological studies carried out on four cores from the bottom sediments of Lake sediments Moreno (southern Argentina) were integrated with data obtained by Creer et al.. Geophys. J.R. Astron. Soc., 74 (1983). 109. Within-lake correlations are based on the magnetic su...
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Elsevier Ltd
2000
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| LEADER | 11401caa a22009617a 4500 | ||
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| 001 | PAPER-21053 | ||
| 003 | AR-BaUEN | ||
| 005 | 20251031091937.0 | ||
| 008 | 190411s2000 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0034469427 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 100 | 1 | |a Gogorza, Claudia Susana Gabriela | |
| 245 | 1 | 0 | |a Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina) |
| 260 | |b Elsevier Ltd |c 2000 | ||
| 270 | 1 | 0 | |m Gogorza, C.S.G.; Grupo de Geofisica, Inst. de Física Arroyo Seco., Univ. Nac. Cen. Prov. Buenos Aires, Pinto 399, Tandil 7000, Argentina; email: cgogorza@ifas.exa.unicen.edu.ar |
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| 504 | |a Bretthorst, G.L., Bayesian analysis I. Parameter estimation using quadrature NMR models (1990) Journal of Magnetic Resonance, 88, pp. 533-551 | ||
| 504 | |a Bretthorst, G.L., Bayesian analysis II (1990) Journal of Magnetic Resonance, 88, pp. 552-570. , Model selection | ||
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| 504 | |a Creer, K.M., Tucholka, P., Barton, C.E., Paleomagnetism of lake sediments (1983) Geomagnetism of Baked Clays and Recent Sediments, pp. 172-197, 339. , Creer, K.M. Tucholka, P. Barton C.E. (Eds.). Elsevier. Amsterdam | ||
| 504 | |a Creer, K.M., Valencio, D.A., Sinito, A.M., Tucholka, P., Vilas, J.F., Geomagnetic secular variations 0-14 000 yr BP as recorded by lake sediments from Argentina (1983) Geophysical Journal of the Royal Astronomical Society, 74, pp. 109-222 | ||
| 504 | |a Del Valle, R.A., Tatur, A., Lirio, J.M., Amos, A., Transecta Andes-Estepa Patagonica a traves del Pleistoceno Superior-Holoceno en la region del Comahue (1994) I Congreso Y III Reunion Argentina De Limnologia, pp. 339-346. , Actas | ||
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| 504 | |a Gogorza, C.S.G., Sinito, A.M., Di Tommaso, I., Vilas, J.F., Creer, K.M., Nunñez, H., Holocene geomagnetic secular variations recorded by sediments from Escondido Lake (south Argentina) (1999) Earth Planets and Space, 51, pp. 93-106 | ||
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| 504 | |a Sinito, A.M., Nunñez, H.J., Paleosecular variation recorded on lake sediments from South Argentina (1997) Journal of Geomagnetism and Geoelectricity, 49, pp. 473-483 | ||
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| 504 | |a Thompson, R., Oldfield, F., (1986) Environmental Magnetism, p. 225. , Allen and Unwin London | ||
| 504 | |a Turner, G.M., Thompson, R., Behaviour of the Earth's magnetic field as recorded in the sediment of Loch Lomond (1979) Earth and Planetary Science Letters, 42, pp. 412-426 | ||
| 504 | |a Turner, G.M., Thompson, R., Lake sediment record of the geomagnetic secular variation in Britain during Holocene time (1981) Geophysical Journal of the Royal Astronomical Society, 54, pp. 703-725 | ||
| 504 | |a Volkheimer, W., Estratigrafia de la zona extrandina del Departamento de Cushamen (Chubut) entre los paralelos 42° y 42° 30' y los meridianos 70° y 71 (1964) Revista Asociacion Geológica Argentina, 19, pp. 85-107 | ||
| 506 | |2 openaire |e Política editorial | ||
| 520 | 3 | |a Data from paleomagnetic and sedimentological studies carried out on four cores from the bottom sediments of Lake sediments Moreno (southern Argentina) were integrated with data obtained by Creer et al.. Geophys. J.R. Astron. Soc., 74 (1983). 109. Within-lake correlations are based on the magnetic susceptibility and intensity of remanent magnetization. The individual measurements were stacked and transformed to a time-scale to produce type-curves. The secular variation of the geomagnetic field was studied using spectral analysis and precession analysis of the magnetic vector. The spectrum obtained from spectral analysis shows major peaks at periodicities of about 1500, 2400, 3300, and 6200 yr for inclination data and major peaks at periodicities of about 1200, 2300, and 3500 yr for declination data. In order to test the stability of the obtained periodicities, spectral analysis was applied to every 6000 yr time span at intervals of 500 yr for both records. Both clockwise and counter clockwise precession of the geomagnetic vector is evident from analysis of the VGP path plots, with a preponderance of clockwise. © 2000 Elsevier Science Ltd. All rights reserved. |l eng | |
| 536 | |a Detalles de la financiación: Fundación Antorchas | ||
| 536 | |a Detalles de la financiación: The authors wish to thank the Antorchas Foundation, which supported field work and transportation of the Mackereth corer from Argentina back to the UK. Thanks also to the Universidad de Buenos Aires, Universidad Nacional del Centro de la Provincia de Buenos Aires, CONICET, and University of Wisconsin for their support; to the PROGEBA Institute for kindly allowing access to sampling sites and for their logistical help; to the University of Edinburgh for the loan of the Mackereth corer and Mr Alan Pike for his collaboration. We are greatly indebted to Dr Bretthorst for his generous help in interpreting his code and for fruitful discussions. Finally, our gratitude to two anonymous reviewers for their useful suggestions. | ||
| 593 | |a Grupo De Geofísica, Instituto De Física Arroyo Seco, Universidad Nacional del Centro De La Provincia De Buenos Aires, Pinto 399, Tandil 7000, Argentina | ||
| 593 | |a Laboratorio Daniel Valencio, Universidad De Buenos Aires, Ciudad Univ. Pab. 2, Buenos Aires 1428, Argentina | ||
| 593 | |a Department of Geology and Geophysics, University of Edinburgh, West Mains Road, Edinburgh EH9 3JW, United Kingdom | ||
| 593 | |a Instituto Antartico Argentino, Cerrito 1248, Buenos Aires, Argentina | ||
| 651 | 4 | |a ARGENTINA | |
| 651 | 4 | |a RIO NEGRO PROVINCE | |
| 690 | 1 | 0 | |a GEOMAGNETIC SECULAR VARIATIONS |
| 690 | 1 | 0 | |a LAKE MORENO |
| 690 | 1 | 0 | |a SEDIMENTS |
| 690 | 1 | 0 | |a GEOMAGNETIC FIELD |
| 690 | 1 | 0 | |a PALEOMAGNETISM |
| 690 | 1 | 0 | |a QUATERNARY |
| 690 | 1 | 0 | |a SECULAR VARIATION |
| 690 | 1 | 0 | |a LAKE MORENO |
| 700 | 1 | |a Sinito, Ana María | |
| 700 | 1 | |a Tommaso, I.D. | |
| 700 | 1 | |a Vilas, J.F. | |
| 700 | 1 | |a Creer, K.M. | |
| 700 | 1 | |a Nuñez, H. | |
| 773 | 0 | |d Elsevier Ltd, 2000 |g v. 13 |h pp. 627-645 |k n. 7 |p J. South Am. Earth Sci. |x 08959811 |w (AR-BaUEN)CENRE-1080 |t Journal of South American Earth Sciences | |
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