The magnesium isotope record of cave carbonate archives

Climate of the Past

Volumn 8, Issue 6, 2012, Pages 1849-1867

  Riechelmann, S ^a   Buhl, D ^a   Schroder Ritzrau A ^b   Riechelmann, D F C ^c   Richter, D K ^a   Vonhof, H B ^d   Wassenburg, J A ^a   Geske, A ^a   Spotl C ^e   Immenhauser, A ^a  

^a RUHR UNIVERSITY BOCHUM   (Germany)

^b HEIDELBERG ACADEMY OF SCIENCES AND HUMANITIES   (Germany)

^c JOHANNES GUTENBERG UNIVERSITY   (Germany)

^d VU UNIVERSITY AMSTERDAM   (Netherlands)

^e UNIVERSITY OF INNSBRUCK   (Austria)

Author keywords

[No Author keywords available]

Indexed keywords

CALCITE; CARBONATE; CAVE; CLIMATIC REGION; COMPARATIVE STUDY; CONCEPTUAL FRAMEWORK; HOLOCENE; MAGNESIUM; PLEISTOCENE; STALAGMITE; TIME SERIES; WEATHERING RATE;

AUSTRIA; GERMANY; MOROCCO; PERU;

EID: 84881163597     PISSN: 18149324     EISSN: 18149332     Source Type: Journal    
DOI: 10.5194/cp-8-1849-2012     Document Type: Article

References (92)

1. Appelo, C. A. J. and Postma, D.: Geochemistry, groundwater and pollution, 2nd Edn., A.A. Balkema Publishers, Amsterdam, 649 pp., 2005.
2. Asrat, A., Baker, A., Leng, M. J., Gunn, J., and Umer, M.: Environmental monitoring in the Mechara caves, southeastern Ethiopia: Implications for speleothem palaeoclimate studies, Int. J. Speleol., 37, 207-220, 2008.
3. Baker, A. and Genty, D.: Environmental pressures on conserving cave speleothems: Effects of changing surface land use and increased cave tourism, J. Environ. Manage., 53, 165-175, 1998. (Pubitemid 28431622)
4. Baker, A., Barnes, W. L., and Smart, P. L.: Variations in the discharge and organic matter content of stalagmite drip waters in Lower Cave, Bristol, Hydrol. Process., 11, 1541-1555, 1997.
5. Baldini, J. U. L., McDermott, F., Hoffmann, D. L., Richards, D. A., and Clipson, N.: Very high-frequency and seasonal cave atmosphere Pco2 variability: Implications for stalagmite growth and oxygen isotope-based paleoclimate records, Earth Planet. Sci. Lett., 272, 118-129, doi:10.1016/j.epsl.2008.04.031, 2008.
6. Brenot, A., Cloquet, C., Vigier, N., Carignan, J., and France-Lanord, C.: Magnesium isotope systematics of the lithologically varied Moselle river basin, France, Geochim. Cosmochim. Ac., 72, 5070-5089, doi:10.1016/j.gca.2008.07.027, 2008.
7. 26Mg analysis in speleothem calcite: Kinetic versus equilibrium fractionation, comparison with other proxies and implications for palaeoclimate research, Chem. Geol., 244, 715-729, doi:10.1016/j.chemgeo. 2007.07.019, 2007. (Pubitemid 47393411)
8. Büntgen, U., Tegel, W., Nicolussi, K., McCormick, M., Frank, D., Trouet, V., Kaplan, J. O., Herzig, F., Heussner, K.-U., Wanner, H., Luterbacher, J., and Esper, J.: 2500 years of European climate variability and human susceptibility, Science, 331, 578-582, doi:10.1126/science.1197175, 2011.
9. Cruz Jr., F. W., Burns, S. J., Jercinovic, M., Karmann, I., Sharp, W. D., and Vuille, M.: Evidence of rainfall variations in Southern Brazil from trace element ratios (Mg/Ca and Sr/Ca) in a Late Pleistoene stalagmite, Geochim. Cosmochim. Ac., 71, 2250-2263, doi:10.1016/j.gca.2007.02.005, 2007. (Pubitemid 46554933)
10. Däeron, M., Guo, W., Eiler, J., Genty, D., Blamart, D., Boch, R., Drysdale, R., Maire, R., Wainer, K., and Zanchetta, G.: 13C18O clumping in speleothems: Observations from natural caves and precipitation experiments, Geochim. Cosmochim. Ac., 75, 3303-3317, doi:10.1016/j.gca.2010.10.032, 2011.
11. Day, C. C. and Henderson, G. M.: Oxygen isotopes in calcite grown under cave-analogue conditions, Geochim. Cosmochim. Ac., 75, 3956-3972, doi:10.1016/j.gca.2011.04.026, 2011.
12. DePaolo, D. J.: Surface kinetic model for isotopic and trace element fractionation during precipitation of calcite from aqueous solutions, Geochim. Cosmochim. Ac., 75, 1039-1056, doi:10.1016/j.gca.2010.11.020, 2011.
13. de Villiers, S., Dickson, J. A. D., and Ellam, R. M.: The composition of the continental river weathering flux deduced from seawater Mg isotopes, Chem. Geol., 216, 133-142, doi:10.1016/j.chemgeo.2004.11.010, 2005. (Pubitemid 40289839)
14. Dorale, J. A., Edwards, R. L., Ito, E., and González, L. A.: Climate and vegetation history of the midcontinent from 75 to 25 ka: a speleothem record from Crevice Cave, Missouri, USA, Science, 282, 1871-1874, 1998. (Pubitemid 28555262)
15. Dreybrodt, W. and Scholz, D.: Climatic dependence of stable carbon and oxygen isotope signals recorded in speleothems: From soil water to speleothem calcite, Geochim. Cosmochim. Ac., 75, 734-752, doi:10.1016/j.gca.2010.11.002, 2011.
16. Egli, M., Mirabella, A., and Sartori, G.: The role of climate and vegetation in weathering and clay mineral formation in later Quaternary soils of the Swiss and Italian Alps, Geomorphology, 102, 307-324, doi:10.1016/j. geomorph.2008.04.001, 2008.
17. Fairchild, I. J. and McMillan, E. A.: Speleothems as indicators of wet and dry periods, Int. J. Speleo., 36, 69-74, 2007. (Pubitemid 47108991)
18. Feddi, N., Fauquette, S., and Suc, J.-P.: Histoire plio- pléistoc̀ene des écosyt̀emes végétaux de méditerranée sud-occidentale: Apport de l'analyse pollinique de deux sondages en mer d'alboran, GEOBIOS, 44, 57-69, doi:10.1016/j.geobios.2010. 03.007, 2011.
19. Fohlmeister, J., Schröder-Ritzrau, A., Scholz, D., Spötl, C., Riechelmann, D. F. C., Mudelsee, M., Wackerbarth, A., Gerdes, A., Riechelmann, S., Immenhauser, A., Richter, D. K., and Mangini, A.: Bunker Cave stalagmites: an archive for central European Holocene climate variability, Clim. Past Discuss., 8, 1687-1720, doi:10.5194/cpd-8-1687-2012, 2012.
20. Frisia, S. and Borsato, A.: Karst, in: Carbonates in continental settings: Facies, environments and processes, edited by: Alonso-Zarza, A. M. and Tanner, L. H., Developments in Sedimentology, 61, Elsevier, Amsterdam, 269-318, 2010.
21. Frisia, S., Borsato, A., Fairchild, I. J., and McDermott, F.: Calcite fabrics, growth mechanisms, and environments of formation in speleothems from the Italian Alps and southwestern Ireland, J. Sediment. Res., 70, 1183-1196, 2000.
22. Frisia, S., Borsato, A., Fairchild, I. J., McDermott, F., and Selmo, E. M.: Aragonite-calcite relationships in speleothems (Grotte de Clamouse, France): Environment, fabrics, and carbonate geochemistry, J. Sediment. Res., 72, 687-699, 2002.
23. Galy, A., Bar-Matthews, M., Halicz, L., and O'Nions, R. K.: Mg isotopic composition of carbonate: Insight from speleothem formation., Earth Planet. Sci. Lett., 201, 105-115, 2002. (Pubitemid 34834439)
24. 13C time series of a laminated stalagmite from SW France - modelling and comparison with other stalagmite records, Geochim. Cosmochim. Ac, 63, 1537-1548, 1999. (Pubitemid 29515092)
25. Goosse, H., Arzel, O., Luterbacher, J., Mann, M. E., Renssen, H., Riedwyl, N., Timmermann, A., Xoplaki, E., and Wanner, H.: The origin of the European "Medieval Warm Period", Clim. Past, 2, 99-113, doi:10.5194/cp-2-99-2006, 2006. (Pubitemid 44423090)
26. 2 flux in a grassland ecosystem, Global Change Biol., 11, 322-334, doi:10.1111/j.1365-2486.2005.00899.x, 2005. (Pubitemid 40273702)
27. Hartland, A., Fairchild, I. J., Lead, J. R., Zhang, H., and Baalousha, M.: Size, speciation and lability of NOM-metal complexes in hyperalkaline cave dripwater, Geochim. Cosmochim. Ac., 75, 7533-7551, doi:10.1016/j.gca.2011.09. 030, 2011.
28. Hartland, A., Fairchild, I. J., Lead, J. R., Borsato, A., Baker, A., Frisia, S., and Baalousha, M.: From soil to cave: Transport of trace metals by natural organic matter in karst dripwaters, Chem. Geol., 304-305, 68-82, doi:10.1016/j.chemgeo.2012.01.032, 2012.
29. Holzkämper, S., Spötl, C., and Mangini, A.: High-precision constraints on timing of alpine warm periods during the middle to late Pleistocene using speleothem growth periods, Earth Planet. Sci. Lett., 236, 751-764, doi:10.1016/j.epsl.2005.06.002, 2005. (Pubitemid 41258203)
30. Huang, Y. and Fairchild, I. J.: Partitioning of Sr2+ and Mg2+ into calcite under karst-analogue experimental conditions, Geochim. Cosmochim. Ac., 65, 47-62, 2001. (Pubitemid 32185415)
31. Immenhauser, A., Buhl, D., Richter, D. K., Niedermayr, A., Riechelmann, D., Dietzel, M., and Schulte, U.: Magnesiumisotope fractionation during low-Mg calcite precipitation in a limestone cave - field study and experiments, Geochim. Cosmochim. Ac., 74, 4346-4364, doi:10.1016/j.gca.2010.05.006, 2010.
32. Jones, P. D. and Mann, M. E.: Climate over past millennia, Rev. Geophys., 42, RG2002, doi:10.1029/2003RG000143, 2004. (Pubitemid 39174704)
33. Kim, S.-T. and O'Neil, J. R.: Equilibrium and non-equilibrium oxygen isotope effects in synthetic carbonates, Geochim. Cosmochim. Ac., 61, 3461-3475, 1997.
34. Kluge, T., Marx, T., Scholz, D., Niggemann, S., Mangini, A., and Aeschbach-Hertig, W.: A new tool for palaeoclimate reconstruction: Noble gas temperatures from fluid inclusions in speleothems, Earth Planet. Sci. Lett., 269, 408-415, doi:10.1016/j.epsl.2008.02.030, 2008.
35. 18O based on calcite oxygen and clumped isotopes of speleothems from Bunker Cave (Germany), Clim. Past Discuss., 8, 2853-2892, doi:10.5194/cpd-8-2853-2012, 2012.
36. Komadel, P. and Madejová, J.: Acid activation of clay minerals, in: Handbook of clay science, edited by: Bergaya, F., Theng, B. K. G., and Lagaly, G., Developments in clay science, 1, Elsevier Ltd., Amsterdam, 263-287, 2006.
37. Kottek, M., Grieser, J., Beck, C., Rudolf, B., and Rubel, F.: World map of the Köppen-Geiger climate classification updated, Meteorol. Z., 15, 259-263, doi:10.1127/0941-2948/2006/0130, 2006. (Pubitemid 44027664)
38. Krebs, W.: Massenkalk, in: Geologische Karte von Nordrhein-Westfalen 1:25.000, Erläuterungen zu Blatt 4813 Attendorn, 2nd Edn., edited by: Ziegler, W., Geologisches Landesamt Nordrhein-Westfalen, Krefeld, Germany, 78-94, 1978.
39. Lachniet, M. S., Asmerom, Y., Burns, S. J., Patterson, W. P., Polyak, V. J., and Seltzer, G. O.: Tropical response to the 8200 yr B.P. cold event? Speleothem isotopes indicate a weakened early Holocene monsoon in Costa Rica, Geology, 32, 957-960, doi:10.1130/G20797.1, 2004. (Pubitemid 39547489)
40. Larrasoaña, J. C., Roberts, A. P., Rohling, E. J., Winkelhofer, M., and Wehausen, R.: Three million years of monsoon variability over the northern Sahara, Clim. Dynam., 21, 689-698, doi:10.1007/s00382-003-0355-z, 2003. (Pubitemid 38098394)
41. Li, S.-L., Liu, C.-Q., Li, J., Lang, Y.-C., Ding, H., and Li, L.: Geochemistry of dissolved inorganic carbon and carbonate weathering in a small typical karstic catchment of southwest China: Isotopic and chemical constraints, Chem. Geol., 277, 301-309, doi:10.1016/j.chemgeo.2010.08.013, 2010.
42. Li, W., Chakraborty, S., Beard, B. L., Romanek, C. S., and Johnson, C. M.: Magnesium isotope fractionation during precipitation of inorganic calcite under laboratory conditions, Earth Planet. Sci. Lett., 333-334, 304-316, doi:10.1016/j.epsl.2012.04.010, 2012.
43. Luterbacher, J., Dietrich, D., Xoplaki, E., Grosjean, M., and Wanner, H.: European seasonal and annual temperature variability, trends and extremes since 1500, Science, 303, 1499-1503, doi:10.1126/science.1093877, 2004. (Pubitemid 38314415)
44. Madejová, J., Bujdák, J., Janek, M., and Komadel, P.: Comparative FT-IR study of structural modifications during acid treatment of dioctahedral smectites and hectorite, Spectrochim. Acta A, 54, 1397-1406, 1998. (Pubitemid 128412560)
45. Maher, K.: The dependence of chemical weathering rates on fluid residence time, Earth Planet. Sci. Lett., 294, 101-110, doi:10.1016/j.epsl.2010.03.010, 2010.
46. 18O stalagmite record, Earth Planet. Sci. Lett., 235, 741-751, doi:10.1016/j.epsl.2005.05.010, 2005. (Pubitemid 40912061)
47. Mangini, A., Verdes, P., Spötl, C., Scholz, D., Vollweiler, N., and Kromer, B.: Persistent influence of the North Atlantic hydrography on central European winter temperature during the last 9000 years, Geophys. Res. Lett., 34, L02704, doi:10.1029/2006GL028600, 2007. (Pubitemid 47277679)
48. Mann, M. E. and Jones, P. D.: Global surface temperatures over the past two millennia, Geophys. Res. Lett., 30, 1820-1823, doi:10.1029/2003GL017814, 2003.
49. Mann, M. E., Zhang, Z., Rutherford, S., Bradley, R. S., Hughes, M. K., Shindell, D., Ammann, C., Faluvegi, G., and Ni, F.: Global signatures and dynamical origins of the Little Ice Age and Medieval Climate Anomaly, Science, 326, 1256-1260, doi:10.1126/science.1177303, 2009.
50. Miorandi, R., Borsato, A., Frisia, S., Fairchild, I. J., and Richter, D. K.: Epikarst hydrology and implications for stalagmite capture of climate changes at Grotta di Ernesto (N.E. Italy): Results from long-term monitoring, Hydrolog. Process., 24, 3101-3114, doi:10.1002/hyp.7744, 2010.
51. 13C as a function of drip interval and temperature, Geochim. Cosmochim. Ac., 71, 2780-2790, doi:10.1016/j.gca.2007.03.018, 2007. (Pubitemid 46767880)
52. Niggemann, S.: Klimabezogene Untersuchungen an spät-bis postglazialen Stalagmiten aus Massenkalkhöhlen des Sauerlandes, in: Beiträge zur Speläologie I., edited by: Richter, D. K. and Wurth, G., Bochumer Geol. u. Geotechn. Arb., Bochum, 5-129, 2000.
53. Niggemann, S., Mangini, A., Mudelsee, M., Richter, D. K., and Wurth, G.: Sub-Milankovitch climatic cycles in Holocene stalagmites from Sauerland, Germany, Earth Planet. Sci. Lett., 216, 539-547, doi:10.1016/S0012-821X(03) 00513-2, 2003. (Pubitemid 38012938)
54. Okrusch, M. and Matthes, S.: Mineralogie - Eine Einführung in die spezielle Mineralogie, Petrologie und Lagestättenkunde, 7th Edn., Springer, Berlin Heidelberg New York, 526 pp., 2005.
55. Pokrovsky, B. G., Mavromatis, V., and Pokrovsky, O. S.: Covariation of Mg and C isotopes in late Precambrian carbonates of the Siberian platform: A new tool for tracing the change in weathering regime?, Chem. Geol., 290, 67-74, doi:10.1016/j.chemgeo.2011.08.015, 2011.
56. Polag, D., Scholz, D., Mühlinghaus, C., Spötl, C., Schröder-Ritzrau, A., Segl, M., and Mangini, A.: Stable isotope fractionation in speleothems: Laboratory experiments, Chem. Geol., 279, 31-39, doi:10.1016/j.chemgeo.2010.09.016, 2010.
57. Reynard, L. M., Day, C. C., and Henderson, G. M.: Large fractionation of calcium isotopes during cave-analogue calcium carbonate growth, Geochim. Cosmochim. Ac., 75, 3726-3740, doi:10.1016/j.gca.2011.04.010, 2011.
58. Richter, D. K., Meissner, P., Immenhauser, A., Schulte, U., and Dorsten, I.: Cryogenic and non-cryogenic pool calcites indicating permafrost and non-permafrost periods: a case study from the Herbstlabyrinth-Advent Cave system (Germany), The Cryosphere, 4, 501-509, doi:10.5194/tc-4-501-2010, 2010.
59. Riechelmann, D. F. C.: Aktuospeläologische Untersuchungen in der Bunkerhöhle des Iserlohner Massenkalks (NRW/Deutschland): Signifikanz für kontinentale Klimaarchive, Ph.D. thesis, Fakultät für Geowissenschaften, Ruhr-Universität Bochum, Germany, Bochum, 199 pp., 2010.
60. Riechelmann, D. F. C., Schröder-Ritzrau, A., Scholz, D., Fohlmeister, J., Spötl, C., Richter, D. K., and Mangini, A.: Monitoring Bunker Cave (NW Germany): A prerequisite to interpret geochemical proxy data of speleothems from this site, J. Hydrol., 409, 682-695, 2011.
61. 18O data, Geochim. Cosmochim. Ac., accepted, doi:10.1016/j.gca.2012.11.002, 2012a.
62. Riechelmann, S., Buhl, D., Schröder-Ritzrau, A., Spötl, C., Riechelmann, D. F. C., Richter, D. K., Kluge, T., Marx, T., and Immenhauser, A.: Hydrogeochemistry and fractionation pathways of Mg isotopes in a continental weathering system: Lessons from field experiments, Chem. Geol., 300-301, 109-122, doi:10.1016/j.chemgeo.2012.01.025, 2012b.
63. Romanek, C. S., Grossman, E. L., and Morse, J.W.: Carbon isotopic formation in synthetic aragonite and calcite: Effects of temperature and precipitation rate, Geochim. Cosmochim. Ac., 56, 419-430, 1992.
64. 13C-radiocarbon systematics of three late glacial/early Holocene speleothems; insights into soil and cave processes at climate transition, Geochim. Cosmochim. Ac., 75, 4321-4339, doi:10.1016/j.gca.2011.05.022, 2011.
65. Sanchez, P. A. and Buol, S.W.: Properties of some soils of the upper Amazon basin of Peru, Soil Sci. Soc. Am. Proc., 38, 117-121, 1974.
66. Scheidegger, Y., Kluge, T., Kipfer, R., Aeschbach-Hertig, W., and Wieler, R.: Paleotemperature reconstruction using noble gas concentrations in speleothem fluid inclusions, PAGES News, 16, 10-12, 2008.
67. Scholz, D. and Hoffmann, D. L.: StalAge - an algorithm designed for construction of speleothem age models, Quat. Geochronol., 6, 369-382, doi:10.1016/j.quageo.2011.02.002, 2011.
68. 18O in the solution layer on stalagmite surfaces, Geochim. Cosmochim. Ac., 73, 2592-2602, doi:10.1016/j.gca.2009.02.015, 2009.
69. Sherwin, C. M. and Baldini, J. U. L.: Cave air and hydrological controls on prior calcite precipitation and stalagmite growth rates: Implications for palaeoclimate reconstructions using speleothems, Geochim. Cosmochim. Ac., 75, 3915-3929, doi:10.1016/j.gca.2011.04.020, 2011.
70. Smart, P. L. and Friederich, H.: Water movement and storage in the unsaturated zone of a maturely karstified carbonate aquifer, Mendip Hills, England, Proceedings of the Environmental Problems in Karst Terranes and their Solutions Conference, Bowling Green, Kentucky, USA, 57-87, 1987.
71. Spötl, C. and Mangini, A.: Speleothems and paleoglaciers, Earth Planet. Sci. Lett., 254, 323-331, 2007. (Pubitemid 46179040)
72. Spötl, C., Mangini, A., Frank, N., Eichstädter, R., and Burns, S. J.: Start of the last interglacial period at 135 ka: Evidence from a high alpine speleothem, Geology, 30, 815-818, 2002. (Pubitemid 36053378)
73. Spötl, C., Fairchild, I. J., and Tooth, A. F.: Cave air control on dripwater geochemistry, Obir Caves (Austria): Implications for speleothem deposition in dynamically ventilated caves, Geochim. Cosmochim. Ac., 69, 2451-2468, doi:10.1016/j.gca.2004.12.009, 2005. (Pubitemid 40714101)
74. Spötl, C., Holzkämper, S., and Mangini, A.: The last and the penultimate interglacial as recorded by speleothems from a climatically sensitive high-elevation cave site in the Alps, in: The climate of past interglacials, edited by: Sirocko, F., Claussen, M., Litt, T., and Sánchez-Goñi, M. F., Developments in quaternary science series, 7, Elsevier, Amsterdam, 471-491, 2007.
75. Sträßer, M.: Klimadiagramm-Atlas der Erde Teil 1: Europa und Nordamerika. Monats-und Jahresmittelwerte von Temperatur und Niederschlag für den Zeitraum 1961-1990, Duisburger geographische Arbeiten, 18, edited by: Blotevogel, H. H., Eckart, K., Flüchter, W., Habrich, W., Sträßer, M., and Wagner, E., Dortmunder Vertrieb für Bau-und Planungsliteratur, Dortmund, 222 pp., 1998.
76. Sträßer, M.: Klimadiagramm-Atlas der Erde Teil 2: Asien, Lateinamerika, Afrika, Australien und Ozeanien, Polarländer. Monats-und Jahresmittelwerte von Temperatur und Niederschlag für den Zeitraum 1961-1990, Duisburger Geographische Arbeiten, 20, edited by: Blotevogel, H. H., Eckart, K., Flüchter, W., Habrich, W., Sträßer, M., and Wagner, E., Dortmunder Vertrieb für Bau-und Planungsliteratur, Dortmund, 254 pp., 1999.
77. Tipper, E. T., Galy, A., and Bickle, M. J.: Riverine evidence for a fractionated reservoir of Ca and Mg on the continents: Implications for the oceanic Ca cycle, Earth Planet. Sci. Lett., 247, 267-279, 2006a. (Pubitemid 43971234)
78. Tipper, E. T., Galy, A., Gaillardet, J., Bickle, M. J., Elderfield, H., and Carder, E. A.: The magnesium isotope budget of the modern ocean: Constraints from riverine magnesium isotope ratios, Earth Planet. Sci. Lett., 250, 241-253, doi:10.1016/j.epsl.2006.07.037, 2006b. (Pubitemid 44426271)
79. Tipper, E. T., Galy, A., and Bickle, M. J.: Calcium and magnesium isotope systematics in rivers draining the Himalaya-Tibetan-plateau region: Lithological or fractionation control?, Geochim. Cosmochim. Ac., 72, 1057-1075, doi:10.1016/j.gca.2007.11.029, 2008.
80. Tipper, E. T., Gaillardet, J., Louvat, P., Campas, F., and White, A. F.: Mg isotope constraints on soil pore-fluid chemistry: Evidence from Santa Cruz, California, Geochim. Cosmochim. Ac., 74, 3883-3896, doi:10.1016/j.gca.2010.04. 021, 2010.
81. Tooth, A. F. and Fairchild, I. J.: Soil and karst aquifer hydrological controls on the geochemical evolution of speleothem-forming drip waters, Crag cave, southwest Ireland, J. Hydrol., 273, 51-68, 2003. (Pubitemid 36260960)
82. 13C paleoclimate proxies in a continuously-monitored natural cave system, Geochim. Cosmochim. Ac., 75, 4929-4950, doi:10.1016/j.gca.2011.06.005, 2011.
83. Trouet, V., Esper, J., Graham, N. E., Baker, A., Scourse, J. D., and Frank, D. C.: Persistent positive North Atlantic Oscillation mode dominated the Medieval Climate Anomaly, Science, 324, 78-80, doi:10.1126/science.1166349, 2009.
84. van Breukelen, M. R.: Peruvian stalagmites as archives of Holocene temperature and rainfall variability, Ph.D.thesis, Vrije Universiteit Amsterdam, The Netherlands, Amsterdam, 208 pp., 2009.
85. van Breukelen, M. R., Vonhof, H. B., Hellstrom, J. C., Wester, W. C. G., and Kroon, D.: Fossil dripwater in stalagmites reveals Holocene temperature and rainfall variation in Amazonia, Earth Planet. Sci. Lett., 275, 54-60, doi:10.1016/j.epsl.2008.07.060, 2008.
86. Verheyden, S., Genty, D., Deflandre, G., Quinif, Y., and Keppens, E.: Monitoring climatological, hydrological and geochemical parameters in the P̀ere Nöel cave (Belgium): Implication for the interpretation of speleothem isotopic and geochemical time-series, Int. J. Speleol., 37, 221-234, 2008.
87. Vollweiler, N., Scholz, D., Mühlinghaus, C., Mangini, A., and Spötl, C.: A precisely dated climate record for the last 9 kyr from three high alpine stalagmites, Spannagel cave, Austria, Geophys. Res. Lett., 33, L20703, doi:10.1029/2006GL027662, 2006. (Pubitemid 44941723)
88. Wassenburg, J. A., Immenhauser, A., Richter, D. K., Jochum, K. P., Fietzke, J., Goos, M., Scholz, D., and Sabaoui, A.: Climate and cave control on Pleistocene/Holocene calcite-toaragonite transitions in speleothems from Morocco: Elemental and isotopic evidence, Geochim. Cosmochim. Ac., 92, 23-47, doi:10.1016/j.gca.2012.06.002, 2012.
89. White, W. B.: Paleoclimate records from speleothems in limestone caves, in: Studies of cave sediments, edited by: Sasowasky, I. D. and Mylroie, J., Kluwer, New York, 135-176, 2004.
90. Williams, P. W., King, D. N. T., Zhao, J. X., and Collerson, K. D., Speleothem master chronologies: combined Holocene 18O and 13C records from the North Island of New Zealand and their palaeoenvironmental interpretation, The Holocene, 14, 194-208, 2004. (Pubitemid 38335082)
91. Xoplaki, E., Luterbacher, J., Paeth, H., Dietrich, D., Steiner, N., Grosjean, M., and Wanner, H.: European spring and autumn temperature variability and change of extremes over the last half millennium, Geophys. Res. Lett., 32, L15713, doi:10.1029/2005GL023424, 2005. (Pubitemid 41398753)
92. Young, E. D. and Galy, A.: The isotope geochmistry and cosmochemistry of Magnesium, Rev. Mineral. Geochem., 55, 197-230, 2004.