The peatland/ice age hypothesis revised, adding a possible glacial pulse trigger

References

• Aaby, B. 1990: Geologi og mosedannelse i Store Vildmose området Miljöministeriet Landet och loven (in Danish).
   Google Scholar
• Ahlberg, K., Almgren, E., Wright, J.H.E. and Ito, R, 2001: Holocene stable‐isotope stratigraphy at Lough Gur, County Limerick, Western Ireland. The Holocene, 11(3): 367–372.
   Google Scholar
• Alibo, D.S. and Nozaki, Y., 1999: Rare earth elements in seawater: Particle association, shale‐normalization, and Ce oxidation. Geochimica et Cosmochimica Acta, 63: 363–372.
   Web of Science ®Google Scholar
• Alley, R.B., Mayewski, P.A., Sowers, T., Stuiver, M., Taylor, K.C. and Clark, P. U. 1997: Holocene climatic instability: A prominent, widespread event 8200 years ago. Geology, 25: 483–486.
   Web of Science ®Google Scholar
• Almquist‐jacobsen, H. and Foster, D.R. 1995: Toward an integrated model for raised‐bog development: theory, and field evidence. Ecology, 76: 2503–2516.
   Google Scholar
• Ayers, G.P. and Gillett, R.W. 2000: DMS and its oxidation products in the remote marine atmosphere: implications for climate and atmospheric chemistry. Journal of Sea Research, 43: 275–286.
   Web of Science ®Google Scholar
• Baldini, J. U.L., Mcdermott, F. and Fairchild, I.J. 2002: Structure of the 8200‐year cold event revealed by a speleothem trace element record. Science, 296: 2203–2206.
   Google Scholar
• Barber, D.C., Dyke, A., Hillaire‐marcel, C., Jennings, A.E., Andrews, J.T., Kerwin, M.W., Bilodeau, G., Mcneely, R., Southon, J., Morehead, M.D. and Gagnon, J.M., 1999: Forcing of the cold event of 8200 years ago by catastrophic drainage of Laurentide lakes. Nature, 400: 344–347.
   Web of Science ®Google Scholar
• Becker, B. and Schirmer, W., 1977: Paleoecologic study of the Holocene valley development of the river Main, Southern Germany. Boreas, 6(4): 303–321.
   Google Scholar
• Blain, S., (47 authors) 2007: Effect of natural iron fertilization on carbon sequestration in the Southern Ocean. Nature, 446: 1070–1075.
   PubMed Web of Science ®Google Scholar
• Bond, G, Showers, W., Cheseby, M., Lotti, R., Almasi, P., Demenocal, P., Priore, P., Cullen, H., Hajdas, I. and Bonani, G., 1997: A pervasive millennial‐scale cycle in North Atlantic Holocene and Glacial Climates. Science, 278: 1257–1266.
   Web of Science ®Google Scholar
• Boyd, P.W. et al. 35 authors, 2000: A mesoscale phytoplankton bloom in the Southern Ocean stimulated by iron fertilization. Nature, 407: 695–702.
   PubMed Web of Science ®Google Scholar
• Boynton, W.V., 1984: Geochemistry of rare earth elements: meteorite studies. In: Henderson, P., (ed.): Rare Earth Element Geochemistry. Elsevier. Amsterdam. 63–114.
   Google Scholar
• Braun, H., Christ, M., Rahmstorf, S., Ganopolski, A., Mangini, A., Kubatzki, C., Roth, K. and Kromer, B., 2005: Possible solar origin of the 1470‐year glacial climate cycle demonstrated in a coupled model. Nature, 438: 208–211.
   PubMedGoogle Scholar
• Brownlee, D.E., 1981: Extraterrestrial components. In: Emiliani, C., (ed.): The Oceanic Lithosphere. John Wiley. New York. 733–762.
   Google Scholar
• Calder, N., 1974: The Weather Machine and the Threat of Ice. BBC. London. 143 p.
   Google Scholar
• Carusi, A., Coradini, A. and Fulchignoni, M., 1972: Genesis of the structures of the black magnetic spherules. Periodico di Mineralogia, 41: 363–371.
   Google Scholar
• Ceplecha, Z., 1996: Luminous efficiency based on photographic observations of the Lost‐City fireball and implications for the influx of interplanetary bodies onto Earth. Astronomy and Astrophysics, 311: 329–332.
   Google Scholar
• Charlson, R.J., Lovelock, I.E., Andrae, M.O. and Warren, S.G., 1987: Oceanic phytoplankton, atmospheric sulphur, cloud albedo and climate. Nature, 326: 655–661.
   Web of Science ®Google Scholar
• Clayton, D.D., Arnett, D., Kane, J. and Meyer, B.S. 1997: Type X silicon carbide pre‐solar grains: Type la supernova condensates? The Astrophysical Journal, 486(1): 824–834.
   Google Scholar
• Clube, V. and Napier, B., 1990:The Cosmic Winter, Blackwell. Oxford. 307 p.
   Google Scholar
• Coale, K.H., Johnson, K.S., Fitzwater, S.E., Gordon, R.M., Tanner, S., Chavez, F.P., Ferioli, L., Sakamoto, C., Rogers, P., Millero, F., Steinberg, P., Nightingale, P., Cooper, D., Cochlan, W.P., Landry, M.R., Constantinou, J., Rollwagen, G., Trasvina, A. and Kudela, R., 1996: A massive phytoplankton bloom induced by ecosystem‐scale iron fertilization experiment in the equatorial Pacific Ocean. Nature, 383: 495–501.
   PubMed Web of Science ®Google Scholar
• Cornell, D.H., 1993: Rare earths from supernova to superconductor. Pure & Applied Chemistry, 65 (12): 2453–2464.
   Google Scholar
• Cullen, H.M., Demenocal, P.B., Hemming, S., Hemming, G, Brown, F.H., Guilderson, T and Sirocko, F., 2000: Climate change and the collapse of the Akkadian Empire; evidence from the deep sea. Geology, 28: 379–382.
   Web of Science ®Google Scholar
• Dahl, S.O. and Nesje, A., 1996: A new approach to calculating Holocene winter precipitation by combining glacier equilibrium‐line altitudes and pine‐tree limits: a case study from Hardangerjøkulen, central southern Norway. The Holocene. 6(4): 381–398.
   Google Scholar
• Dalai, T.K., Ravizza, GE. and Peucker‐ehrenbrink, B., 2006: The Late Eocene 187Os/188Os excursion: Chemostratigraphy, cosmic dust flux and the Early Oligocene glaciation. Earth and Planetary Science Letters, 241(3‐4): 477–492.
   Google Scholar
• D'almeida, G.A., Koepke, P. and Shettle, E.P., 1991: Atmospheric aerosols: global climatology and radiative characteristics. Deepak publishing. QC882.42–D148.
   Google Scholar
• Dansgaard, W., Johnsen, S.J., Clausen, H.B., Dahl‐jensen, N.S., Gundestrup, N.S., Hammer, C.U., Hvidberg, C.S., Steffensen, J.P., Sveinbjornsdottir, A.E., Jouzel, J. and Bond, G, 1993: Evidence for general instability of past climate from a 250‐kyr ice‐core record. Nature, 364: 218–220.
   Web of Science ®Google Scholar
• De baar, H.J. W. and Boyd, P. W., 2000: The role of iron in plankton ecology and carbon dioxide transfer of the global oceans. In: Hanson, R.B. et al., (eds): The Dynamical Ocean Carbon Cycle: A Midterm Synthesis of the Joint Global Ocean Flux Study. Cambridge University Press. Cambridge. 61–140.
   Google Scholar
• Debaar, H.J.W., Bacon, M.P. and Brewer, P.G, 1985: Rare earth elements in the Pacific and Atlantic Oceans. Geochimica et Cosmochimica Acta, 49: 1943–1959.
   Google Scholar
• De baar, H.J. W. et al. 31 authors, 2005: Synthesis of 8 iron fertilization experiments: from the Iron Age in the Age of Enlightment. Journal of Geophysical Research, 110: 1–24.
   Google Scholar
• De jager, C. and Uso skin, I. G. 2006: On possible drivers of sun‐induced climate changes. Journal of Atmospheric and Solar-Terrestrial Physics, 68: 2053–2060.
   Google Scholar
• Demenocal, P.B., 2001: Cultural responses to climate change during the late Holocene. Science, 292: 667–673.
   PubMed Web of Science ®Google Scholar
• Dolgov, Y.A., Vasilyev, N.V., Shugurova, N.A., et al., 1971: Chemical composition of silicate spherules from peat near the impact point of the Tunguska Meteorite. Transactions of the USSR Academy of Sciences; Earth Science Sections, 200: 212–214.
   Google Scholar
• Duce, R.A. and Tindale, N.W., 1991: Atmospheric transport of iron and its deposition in the ocean. Limnology and Oceanography, 36: 1715–1726.
   Web of Science ®Google Scholar
• Duce, R.A. et al. 22 authors, 1991: The atmospheric input of trace species to the world ocean. Global Biogeochemical Cycles, 5: 193–259.
   Web of Science ®Google Scholar
• Fisher, D.A. and Koerner, R.M., 2003: Holocene ice–core climate history ‐ a multi‐variable approach. In: Macay, A. et al., (eds): Global Change in the Holocene. Arnold London, p. 281–293.
   Google Scholar
• Franzén, L., 1985: Peat in Sweden ‐ a method to calculate the resources.Thesis. GUNI Rapport 1.
   Google Scholar
• Franzén, L.G., 1990: Transport, deposition and distribution of marine aerosols over southern Sweden during dry westerly storms. Ambio, 19: 180–188.
   Google Scholar
• Franzén, L. G, 1992: Can Earth afford to lose the wetlands in the battle against the increasing greenhouse effect. IPC Proceedings of the 9th International Peat congress, Uppsala, Sweden 1992. International Peat Journal Special Issue, 1(3): 1–18.
   Google Scholar
• Franzén, L.G., 1994: Are wetlands the key to the ice age cycle enigma? Ambio 23(4‐5): 300–308.
   Google Scholar
• Franzén, L.G., 1997: Reply to Rodhe's and Malm er's(RM) Comments on Franzen et al. “Principles for a climate regulation mechanism during the late Phanerozoic era, based on carbon fixation in peatforming wetlands”. Ambio, 26(3): 188–189.
   Google Scholar
• Franzén, L.G., 1998: Vilken roll spelar torven i det globala klimatsystemet? Kungliga Skogs- o. Lantbruksakademins Tidskrift 137(8): 89–96 (in Swedish).
   Google Scholar
• Franzén, L.G., 2001: Global Warming and the Peatland/Ice Age Hypothesis. Proceedings of the 1st International Conference on Global Warming and the Next Ice Age, Halifax, Canada.
   Google Scholar
• Franzén, L., 2002: Tillväxtdynamik hos några myrar i södra Sverige ‐ samt några noteringar om torvmarker som arkiv över atmosfärshändelser under holocen. Stiftelsen Svensk Torvforskning Projektrapport 47:1–43 (in Swedish).
   Google Scholar
• Franzén, L., 2004: Vädret for 5000 år sedan ‐ vad rör det oss? In: YMER Yearbook 2004 “Solen, klimatet, människan”. 130–155. (in Swedish).
   Google Scholar
• Franzén, L.G., 2006a: Mineral matter, and major and trace elements, in raised bog peat. A case study from south Sweden, Ireland and Tierra del Fuego, Argentina. In: Martini, I.P., Martinez cortizas, A. and Chesworth, W., (eds): Peatlands: Evolution and Records of Environmental and Climatic Changes. Elsevier. Amsterdam. 241–269.
   Google Scholar
• Franzén, L.G., Chen, D. and Klinger, L.F., 1996: Principles for a climate regulation mechanism during the late Phanerozoic era, based on carbon fixation in peatforming wetlands. Ambio, 25(7): 435–442.
   Google Scholar
• Fredriksson, D., 1996: Peat resources in Sweden. In: Lappalainen, E., (ed.): Global Peat Resources. International Peat Society. Jyska, Finland, p 137–144.
   Google Scholar
• Fung, I.Y., Meyn, S.K., Tegen, I, Doney, S.C., John, J.G. and Bishop, J.K.B., 2000: ton supply and demand in the upper ocean. Global Biogeochemical Cycles, 14: 281–295.
   Web of Science ®Google Scholar
• Gabric, A.J., Cropp, R.A., Hirst, C and Marchant, H.J, 2003: The response of dimethylsulphide production to simulated warming in the eastern Antarctic Southern Ocean. Tellus, 55B: 966–981.
   Google Scholar
• Gao, Y., Kaufman, Y.J., Tanre, D., Kolber, D. and Falkowski, P.G., 2001: Seasonal distributions of aeolian iron fluxes to the global ocean. Geophysical Research Letters, 28, 29–32.
   Google Scholar
• Gasse, F. and Van campo, E. 1994: Abrupt post‐glacial events in West Asia and North Africa Earth and Planetary Science Letters, 126: 453–456.
   Google Scholar
• Grafenstein von, U.H., Erlenkeuser, H, Midler, J., Jouzel, J. and Johnsen, S.J., 1998: The cold event 8200 years ago documented in oxygen isotope records of precipitation in Europe and Greenland. Climate Dynamics, 14: 73–81.
   Google Scholar
• Granlund, E., 1932: De svenska högmossarnas geologi. Sveriges Geologiska Undersökning Ser. C., 373: 1–193 (in Swedish).
   Google Scholar
• Haas, J.N., Richoz, I, Tinner, W. and Wick, L, 1998: Synchronous Holocene climatic oscillations recorded on the Swiss Plateau and at timberline in the Alps. The Holocene, 8(3): 301–309.
   Web of Science ®Google Scholar
• Hagen, E.H., Koeberl, C and Faure, G., 1990: Extraterrestrial spherules in glacial sediment, Beardmore Glacier area, Transatlantic Mountains. Contribution to Antarctic Research I, Antarctic Research Series, 50: 19–24.
   Google Scholar
• Hamilton, W.D. and Lenton, T.M., 1998: Spora and Gaia: how microbes fly with their clouds. Ethology, Ecology and Evolution, 10: 1–16.
   Web of Science ®Google Scholar
• Heiri, O., Hotter, A.F., Hausmann, S. and Kienast, F., 2003: Achironomid‐based Holocene summer air temperature reconstruction from the Swiss Alps. The Holocene, 13(4): 477–484.
   Google Scholar
• Holzhauser, H, Magny, M. and Zumbuhl, H.J., 2005: Glacier and lake‐level variations in west‐central Europe over the last 3500 years. The Holocene, 15(6): 789–801.
   Web of Science ®Google Scholar
• Honjo, S., 1996: Fluxes of particles to the interior of the open oceans. In: Ittekkot, V., Schäfer, P., Honjo, S. and Depetris, PJ., (eds): Particle Flux in the Ocean. John Wiley. Chichester. 91–113.
   Google Scholar
• Hunten, DM., Turco, R.P. and Toon, O.B., 1980: Smoke and dust particles of meteoric origin in the mesosphere and stratosphere. Journal of the Atmospheric Sciences 37(6): 1342–1357.
   Google Scholar
• Irwin, H., Curtis, C. and Coleman, M., 1977: Isotopic evidence for source of diagenetic carbonates formed during burial of organic rich sediments. Nature, 269: 209–213.
   Web of Science ®Google Scholar
• Isomäki, R., 2002: Seeded by cosmic dust (letter). New Scientist 12 Oct. 26.
   Google Scholar
• Jickells, T, 2006: The role of air‐sea exchange in the marine nitrogen cycle. Biogeosciences Discuss., 3:183–210.
   Web of Science ®Google Scholar
• Johansson, I, 1976: Hydrologiska undersökningar inom myrkomplexetKomosse. Statens Naturvetenskapliga Forskningsrad. KTH (in Swedish).
   Google Scholar
• Johnson, K.S., 2001: Iron supply and demand in the upper ocean: is extraterrestrial dust a significant source of bioavailable iron? Global Geochemical Cycles, 15: 61–63.
   Google Scholar
• Kane, T.J. and Chester, S.G., 1993: Lidar observations of the meteoric deposition of mesospheric metals. Science, 259: 1297–1300.
   Google Scholar
• Karlén, W., Bodin, A., Kuylenstirna, J. and Näslund, J.‐O., 1995: Climate of Northern Sweden during the Holocene. In: Finkl jnr, C.W., (ed.): Holocene Cycles: Climate, Sea Levels and Sedimentation. Journal of Coastal Research Special Issue, 17: 49–54.
   Google Scholar
• Kennett, J.P., Cannariato, K.G., Hendy, I.L. and Behl, R.J, 2000: Carbon isotopic evidence for methane hydrate instability during quaternary interstadials. Science, 288(5463): 128–133.
   Google Scholar
• Kerschner, H, Hertl, A., Gross, G., Ivy‐ochs, S. and Kubik, P.W., 2006: Surface exposure dating of moraines in the Kromer valley (Silvretta Mountains, Austria) ‐ evidence for glacial response to the 8.2 ka event in the Eastern Alps? The Holocene 16(1): 7–15.
   Google Scholar
• Kiene, R.P., Linn, L.J. and Bruton, J.A., 2000: New and important roles for DMSP in marine microbial communities. Journal of Sea Research, 43: 209–224.
   Web of Science ®Google Scholar
• Klinger, L.F., 1990: Global patterns in community succession 1. Bryophytes and forest decline. Memoirs of the Torrey Botanical Club, 24: 1–50.
   Google Scholar
• Klinger, L.F., 1991: Peatland formation and ice ages: A possible Gaian mechanism related to community succession. In: Schneider, S.H. and Boston, PJ., (eds): Scientists on Gaia. MIT Press. Cambridge, Mass., USA p. 246–255.
   Google Scholar
• Klinger, L.F., Taylor, J.A. and Franzen, L.G., 1996: The potential role of peatland dynamics in ice‐age initiation. Quaternary Research, 45: 89–92.
   Web of Science ®Google Scholar
• Klitgaard‐kristensen, D., Sejrup, H.P., Haflidason, H, Johnsen, S. and Spurk, M., 1998: The short cold period 8200 years ago documented in oxygen isotope records of precipitation in Europe and Greenland. Journal of Quaternary Sciences, 13: 165–169.
   Google Scholar
• Kofler, W., Krapf, V., Oberhuber, W. and Bortenschlager, S., 2005: Vegetation responses to the 8200 cal. BP cold event and long–term climatic changes in the Eastern Alps: possible influence of solar activity and North Atlantic freshwater pulses. The Holocene, 15(6): 779–788.
   Google Scholar
• Kohfeld, K.E., Le quere, C., Harrison, S.P. and Anderson, R.F., 2005: Role of marine biology in glacial–interglacial CO2 cycles. Science, 308: 74–78.
   PubMed Web of Science ®Google Scholar
• Kolesnikov, E.M., Stepanov, A.I., Goridko, E.A. and Kolesnikova, N.V., 1998: Element and isotopic anomalies in peat from the Tunguska explosion (1908) area are probably traces of cometary matter. Meteoritics and Planetary Science, 33: A85.
   Google Scholar
• Korhola, A., 1992: Mire inducation, ecosystem dynamics and lateral extension on raised bogs in the southern coastal area of Finland. Fennia, 170: 25–94.
   Google Scholar
• Korhola, A., 1994: Radiocarbon evidence for rates of lateral expansion in raised mires in southern Finland. Quaternary Research, 42: 299–307.
   Web of Science ®Google Scholar
• Korhola, A.A., 1995: Holocene climatic variations in southern Finland reconstructed from peat‐initiation data. The Holocene, 5: 43–58.
   Google Scholar
• Kuzmin, G.F., 1994: To the balance of peat winning and recreation. All–Union Research Institute for Peat Industry. St. Petersburg, Russia. Internal Report 8.
   Google Scholar
• Laberyrie, L., Cole, J., Alverson, K and Stocker, T, 2003: The history of climate dynamics in the Late Quaternary. In: Alverson, et al., (eds): Paleoclimate, Global Change and the Future. Springer. Berlin. 33–61.
   Google Scholar
• Lamb, A.L, Leng, M.J., Lamb, H.F. and Mohammed, M. U., 2000: A 9000‐year oxygen and carbon isotope record of hydrological change in a small Ethiopian crater lake. The Holocene, 10(2): 167–177.
   Google Scholar
• Legrand, M., Hammer, C., De‐angelis, M., Savarino, J., Delmas, R., Clausen, H. and Johnsen, S.J., 1997: Sulfur–containing species (methanesulfonate) and SO4 over the last climatic cycle in the Greenland Ice Core Project (central Greenland) ice core. Journal of Geophysical Research, 102(C12): 26663–26679.
   Web of Science ®Google Scholar
• Leuschner, H.H., Sass‐klaassen, U., Jansma, E., Baillie, M.G.L. and Spurk, M., 2002: Subfossil European bog oaks: population dynamics and long‐term growth depressions as indicators of changes in the Holocene hydro‐regime and climate. The Holocene 12(6): 695–706.
   Web of Science ®Google Scholar
• Levasseur, M., Scarratt, M.C, Michaud, S., Merzouk, A., Wong, C.S., Arychuk, M., Richardson, W., Rivkin, R.B., Hale, M., Wong, E., Marchetti, A. and Kiyosawa, H., 2006: DMSP and DMS dynamics during a mesoscale iron fertilization experiment in the Northeast Pacific ‐ Part I: Temporal and vertical distributions. Deep-Sea Research II, 53: 2353–2369.
   Google Scholar
• Lin, X. and Chameides, W.L., 1993: CCN formation from DMS oxidation without SO2 acting as an intermediate. Geophysical Research Letters, 20: 579–582.
   Web of Science ®Google Scholar
• Lode, E., 2002: GIS estimation of mire massif development. Natural mire hydrology in restoration of peatland functions. Studia Forestalia Suecica, 205: 30.
   Google Scholar
• Lode, E., Sagris, V. and Hornets, M., 2001: GIS estimation of mire massif development. In: Lode, E., (ed.): Natural mire hydrology in restoration of peatland functions. Silvestria, 234.
   Google Scholar
• Long, A.J., Roberts, D.H and Dawson, S., 2006: Early Holocene history of the west Greenland Ice Sheet and the GH‐8.2 event. Quaternary Science Reviews, 25: 904–922.
   Google Scholar
• Lundqvist, G., 1955: Myrar (Peat land). Atlas over Sverige. Stockholm. 41–42. (in Swedish with extended English summary).
   Google Scholar
• Magny, M., Bégeot, C., Guiot, J., Marguet, A. and Billaud, Y., 2003: Reconstruction and palaeoclimatic interpretation of mid‐Holocene vegetation and lake‐level changes at Saint‐Jorioz, French Pre–Alps. The Holocene, 13(2): 265–275.
   Google Scholar
• Malmström, C., 1932: Om faran för skogsmarkens försumpning i Norrland. Meddelanden fran Statens Skogsförsöksanstalt 26:1–126 (in Swedish).
   Google Scholar
• Manabe, S. and Bryan, K., 1985: CO2‐induced change in a coupled ocean–atmosphere model and its paleoclimatic implications. Journal of Geophysical Research, 90: 11689–11707.
   Web of Science ®Google Scholar
• Marchetti, A., Juneau, P., Whitney, F.A., Wong, C.S. and Harrison, J.P., 2006: Phytoplankton processes during a mesoscale iron enrichment in the NE subarctic Pacific: Part II‐Nutrient utilization. Deep-Sea Research II, 53: 2114–2130.
   Google Scholar
• Martin, J., 1990: Glacial‐interglacial CO2 change: the iron hypothesis. Paleoceanography, 5: 1–13.
   Web of Science ®Google Scholar
• Martin, J.H., Fitzwater, S.E. and Gordon, R.M., 1990: Iron deficiency limits phytoplankton growth in Atlantic waters. Global Biogeochemical Cycles, 4: 5–12.
   Web of Science ®Google Scholar
• Mithen, S.J., 2003: After the Ice: A Global Human History, 20000‐5000 BC.Weidenfeld and Nicolson. London.
   Google Scholar
• Morel, F.M.M., Hudson, R.J.M. and Price, N.M., 1991: Limitation of productivity by trace metals in the sea. Limnology and Oceanogaphy, 36: 1742–1755.
   Web of Science ®Google Scholar
• Morrill, C., Overpeck, J.T. and Cole, J.E., 2003: A synthesis of abrupt changes in the Asian summer monsoon since the last deglaciation. The Holocene, 13: 465–476.
   Web of Science ®Google Scholar
• Mclennan, S.M. and Taylor, S.R., 1981: Role of subducted sediments in island‐arc magmatism: constraints from REE patterns. Earth and Planetary Science Letters, 54: 423–430.
   Web of Science ®Google Scholar
• Murray, S. and Renard, A.F., 1891: Report on Scientific Results from Voyage H.M.S. Challenger 7. Neill and Co. 327 p.
   Google Scholar
• Muscheler, R., Beer, J. and Vonmoos, M., 2004: Causes and timing of the 8200 yr BP event inferred from comparison of the GRIP 10Be and the tree ring A14C record. Quaternary Science Reviews, 23: 2101–2111.
   Google Scholar
• Nazarov, M.A., Korina, M.I., Kolesov, G.M. and Vasilyev, N.V., 1983: The Tunguska event; mineralogical and geochemical data. Proceedings of the Lunar and Planetary Science Conference 14, Part 2. 548–549.
   Google Scholar
• Nesje, A., Bjune, A.E., Bakke, J, Dahl, S.O., Lie, Ø and Birks, H.J.B., 2006: Holocene palaeoclimate reconstructions at Van‐ndalsvattnet, western Norway, with particular reference to the 8200 cal. YrBP event. The Holocene, 16(5): 717–729.
   Google Scholar
• Nott, J., Bryant, E. and Price, D., 1999: Early‐Holocene aridity in tropical northern Australia. The Holocene, 9(2): 231–236.
   Google Scholar
• Olvmo, M., Lidmar‐bergström, K., Ericson, K. and Bonow, J.M., 2005: Saproliteremnants as indicators of pre–glacial landform genesis i southeast Sweden. Geografiska Annaler, 87A (3): 447–460.
   Google Scholar
• Osvald, H., 1923: Die Vegetation des Hochmoores Komosse. Svenska Växtsociologiska Sällskapets Handlingar I. Uppsala. 436 p. (in German).
   Google Scholar
• Pederstad, K. and Aagaard, P., 1985: Interstitial waters and diagenetic changes of marine sediments from Oslofjord and Skagerrak. Norsk Geologisk Tidskrift, 4: 287–299.
   Google Scholar
• Peristykh, A.M. and Damon, P.E., 2003: Persistence of the Gleissberg 88‐year solar cycle over the last c. 12 000 years: Evidence from cosmogenic isotopes. Journal of Geophysical Research, 108. DOI: 10.1029/2002JA009390.
   Google Scholar
• Pettersson, H and Fredriksson, K., 1958: Magnetic spherules in deep‐sea deposits. Pacific Science, 12: 71–81.
   Google Scholar
• Pilcher, J.R. and Hall, V.A., 1992: Towards a tephrochronology for the Holocene of the north of Ireland. Holocene, 2(3): 255–259.
   Google Scholar
• Pisaric, M.F.J., Holt, C., Szeicz, J.M., Karst, T. and Smol, J.P., 2003: Holocene treeline dynamics in the mountains of northeastern British Columbia, Canada, inferred from fossil pollen and stomata. The Holocene, 13(2): 161–173.
   Google Scholar
• Plane, J.M.C, Murray, B.J., Chu, X. and Gardner, C.S., 2004: Removal of meteoric iron on polar mesospheric clouds. Science, 304: 426–428.
   Google Scholar
• Post, L. von, 1927: Beskrivning till översiktskarta över södra Sveriges myrmarker. Sveriges Geologiska Undersokning Ser Ba 11, (in Swedish).
   Google Scholar
• Prasad, S., Brauer, A., Rein, B. and Negendank, J.F.W., 2006: Rapid climate change during the early Holocene in western Europe and Greenland. The Holocene, 16(2): 153–158.
   Google Scholar
• Prospero, J.M., Ginoux, P., Torres, O., Nicholson, S.E. and Gill, T.E., 2002: Environmental characterisation of global sources of atmospheric soil dust identified with the NIMBUS‐7 TOMS absorbing aerosol product. Reviews of Geophysics 40(1): 1002. DOI: 10.1029/2000RG000095.
   Google Scholar
• Rahmstorf, S., 2003: Timing of abrupt climate change: a precise clock. Geophysical Research Letters, 30. DOI: 10.1029/2003GL017115.
   Google Scholar
• Ramrath, A., Sadori, L. and Negendank, J.F.W., 2000: Sediments from Lago di Mezzano, central Italy: a record of Lateglacial/Holocene climatic variations and anthropogenic impact. The Holocene, 10: 87–96.
   Web of Science ®Google Scholar
• Raukas, A., 1997: An attempt to use microimpactites in establishing the age of impact events on the example of the Kaali crater field (Estonia). Sphaerula, 1(1): 32–41.
   Google Scholar
• Raukas, A., Tiirmaa, R., Kaup, E. and Kimmel, K., 2001: The age of Ilumetsa meteorite craters in Southeast Estonia. Meteoritics and Planetary Science, 36: 1507–1514.
   Google Scholar
• Renberg, I., Brännvall, M.‐L, Bindler, R. and Emteryd, O., 2000: Atmospheric lead pollution history during four millennia (2000 BC to 2000 AD) in Sweden. Ambio, 29(3): 150–156.
   Web of Science ®Google Scholar
• Renberg, I., Bindler, R. and Brannvall, M.‐L, 2001: Using the historical atmospheric lead‐deposition record as a chronological marker in sediment deposits in Europe. The Holocene, 11(5): 511–516.
   Web of Science ®Google Scholar
• Rietmeijer, F.J.M. and Jenniskens, P., 1998: Recognizing Leonid meteoroids among the collected stratospheric dust. Earth, Moon and Planets, 82–83: 505–524.
   Google Scholar
• Robinson, S.A., Black, S, Sellwood, B.W. and Valdes, P.J., 2006: A review of palaeoclimates and palaeoenvironments in the Levant and Eastern Mediterranean from 25 000 to 5000 years BP: setting the environmental background for the evolution of human civilisation. Quaternary Science Reviews, 25:1517–1541.
   Web of Science ®Google Scholar
• Rohling, E.J. and Palike, H., 2005: Centennial‐scale climate cooling with a sudden cold event around 8200 yrs ago. Nature. A3A: 975–979.
   Google Scholar
• Rosén, P., Segerström, U., Erikson, L., Renberg, I. and Birks, H.J.B., 2001: Holocene climatic change reconstructed from diatoms, chrinomids, pollen and near–infrared spectroscopy at an alpine lake Sjuodjijaure, in northern Sweden. The Holocene, 11(5): 551–562.
   Web of Science ®Google Scholar
• Salinger, M.J. and Mcglone, M.S., 1989: New Zealand Climate ‐ The Past Two Million Years. The New Zealand Climate report 1990. Royal Society of New Zealand. Wellington. 13–17.
   Google Scholar
• Schulz, K.G, Zondervan, I., Gerringa, L.J.A., Timmermans, K.R., Veldhuis, M.J.W. and Riebessel, J., 2004: Effect of trace metal availability on cocolithophorid calcification. Nature, 430: 673–676.
   Google Scholar
• Seftigen, K., 2007: Potential lateral expansion of wetlands in the county of Västra Gotaland, Sweden. Earth Sciences Centre, Göteborg University Ser. C 80. 19 p.
   Google Scholar
• Seibold, E. and Berger, W.H., 1982: The Sea Floor ‐ An Introduction to Marine Geology. Springer, New York. 288 p.
   Google Scholar
• Shakesby, R.A., Matthews, J.A. and Winkler, S, 2004: Glacier variations in Breheimen, southern Norway: relative‐age dating of Holocene moraine complexes at six high–altitude glaciers. The Holocene, 14(6): 899–910.
   Web of Science ®Google Scholar
• Shaviv, N.J, and Veizer, J., 2003: Celestial driver of Phanerozoic climate?: GSA Today, 13 (7): 4–10. DOI: 10.1130/1052‐5173(2003)0132.0.CO;2.
   Google Scholar
• Shuman, B., Huang, Y., Newby, P. and Wang, Y, 2006: Compound‐specific isotopic analyses track changes in seasonal precipitation regimes in the Northeastern United States at ca 8200 cal yr BP. Quaternary Science Reviews, 25: 2992–3002.
   Google Scholar
• Simo, R., 2001: Production of atmospheric sulfur by oceanic plankton: biogeochemical, ecological and evolutionary links. Trends in Ecology and Evolution, 16: 287–294.
   Web of Science ®Google Scholar
• Sønstegard, E. and Mangerud, J., 1977: Stratigraphy and dating of Holocene gully sediments in Os, western Norway. Norsk Geologisk Tidskrift, 57: 313–346.
   Google Scholar
• Stager, J.C and Mayewski, P.A., 1997: Abrupt Early to Mid‐Holocene climatic transition registered at the Equator and the Poles. Science, 276: 1834–1836.
   Web of Science ®Google Scholar
• Starkel, L., 1984: Abrupt climatic changes in continental deposits. In: Morner, N.‐A. and Karlen, W., (eds): Climatic Changes on a Yearly to Millenial Basis. Reidel. Dordrecht. 135–146.
   Google Scholar
• Starkel, L., Pazdur, A., Pazdur, M.F., Wide, B. and Wieckowski, K., 1996: Lake‐level and groundwater‐level changes in the Lake Gosciaz area, Poland: palaeoclimatic implications. The Holocene, 6(2): 213–224.
   Google Scholar
• Staubwasser, M. and Weiss, H., 2006: Holocene climate and cultural evolution in late prehistoric‐early historic West Asia. Quaternary Research, 66: 372–387.
   Web of Science ®Google Scholar
• Street‐perrott, F.A. and Perrott, R.A., 1990: Abrupt climate fluctuations in the tropics: the influence of Atlantic ocean circulation. Nature, 343: 607–612.
   Web of Science ®Google Scholar
• Stuiver, M. and Reimer, P.J., 1993: CALIB Radiocarbon Calibration Program, Radiocarbon, 35: 215–230.
   Web of Science ®Google Scholar
• Sun, B. and Bradley, R.S., 2002: Solar influences on cosmic rays and cloud formation: A reassessment. Journal of Geophysical Research, 107(D14). DOI: 10.1029/2001JD000560.
   Google Scholar
• Sunda, W., Kieber, D.J., Kiene, R.P. and Huntsman, S., 2002: An antioxidant function for DMSP and DMS in marine algae. Nature, 418: 317–320.
   PubMed Web of Science ®Google Scholar
• Svensmark, H., 2007: Cosmoclimatology: a new theory emerges. Astronomy and Geophysics 48(1): 18–24.
   Google Scholar
• Svensmark, H. and Friis‐christensen, E., 1997: Variation of cosmic ray flux and global cloud coverage ‐ a missing link in solar‐climate relationships. Journal of Atmospheric and Solar Terrestrial Physics, 59(11): 1225–1232.
   Google Scholar
• Taylor, P.L., Nusbaum, R.L., Fronabarger, A.K., 1996: Magnetic spherules in coastal plain sediments, Sullivan's Island, South Carolina, USA. Meteoritics and Planetary Science, 31: 77–80.
   Google Scholar
• Thomas, E.R., Wolff, E.W., Mulvaney, R., Steffensen, J.P, Johnsen, S.J., Arrow smith, C., White, J.W.C., Vaughn, B. and Popp, T, 2007: The 8.2 ka event from Greenland ice cores. Quaternary Science Reviews, 26: 70–81.
   Web of Science ®Google Scholar
• Tolf, R., 1893: Komosse. Svenska Mosskulturföreningens Tidskrift. Jönköping. 531–537 (in Swedish).
   Google Scholar
• Turner, S.M., Nightingale, P.D., Spokes, L.J., Liddicoat, M.I. and Liss, P.S., 1996: Increased dimethylsulphide concentrations in sea water from in situ iron enrichment. Nature, 383: 513–517.
   Web of Science ®Google Scholar
• Turner, S.M., Harvey, M., Law, C.S., Nightingale, P.D. and Liss, P.S., 2004: Iron‐induced changes in oceanic sulfur biogeo‐chemistry. Geophysical Research Letters, 31. DOI: 10.1029/2004GL020296.
   Google Scholar
• Turunen, C. and Turunen, J., 2003: Development history and carbon accumulation of a slope bog in oceanic British Columbia, Canada. The Holocene, 13(2): 225–238.
   Web of Science ®Google Scholar
• Vasilyev, N.V., Bronskiy, B.I. and Demin, D.V. 1971: Silicate spherules in peat near the point of impact of the Tunguska Meteorite. Transactions of the USSR Academy of Sciences. Earth Science Sections, 199: 212–214.
   Google Scholar
• Verrecchia, E.P., Freytet, P., Verrecchia, K.E. and Dumont, J.‐L, 1995: Spherulites in calcrete laminar crusts: biogenic CaCO3 precipitation as a major contributor to crust formation. Journal of Sedimentology Research, A65: 690–700.
   Google Scholar
• Veski, S., Heinsalu, A., Kirimae, K., Poska, A. and Saarse, L, 2001: Ecological catastrophe with the impact of the Kaali meteorite about 800–400 BC on the island of Saaremaa, Estonia. Meteoritics and Planetary Science, 36: 1367–1375.
   Google Scholar
• Wagner, G, Beer, J.J., Masarik, J, Muscheler, R., Kubik, P.W., Mende, W., Laj, C., Raisbeck, GM. and Yiou, F., 2001: Presence of solar de Vries cycle (c. 205 years) during the last ice‐age., Geophysical Research Letters, 28: 303–306.
   Web of Science ®Google Scholar
• Watson, A., Bakker, D.C.E., Ridgwell, A.J., Body, P.W. and Law, C.S., 2000: Effect of iron supply on Southern Ocean CO2 uptake and implications for glacial atmospheric CO2, Nature, 407: 730–733.
   PubMed Web of Science ®Google Scholar
• Weiss, H. and Bradley, R.S., 2001: What drives societal collapse? Science, 291: 609–610.
   PubMed Web of Science ®Google Scholar
• Weninger, B., Alram‐stern, E., Bauer, E., Clara, L., Danzeglocke, U., Joris, O., Kubatzki, C., Rollefson, G, Todorova, H and Vanandel, T, 2006: Climate forcing due to the 8200 cal yr BP event observed at Early Neolithic sites in the eastern Mediterranean. Quaternary Research, 66: 401–420.
   Web of Science ®Google Scholar
• Wick, L. and Tinner, W., 1999: Vegetation changes and timberline fluctuations in the Central Alps as indicators of Holocene climate oscillations. Arctic and Alpine Research, 29: 445–458.
   Google Scholar
• Wick, L., Lemcke, G and Sturm, M., 2003: Evidence of Late–Glacial and Holocene climatic change and human impact in eastern Anatolia: high‐resolution pollen, charcoal, isotopic and geochemical records from the laminated sediments of Lake Van, Turkey. The Holocene 13(5): 665–675.
   Web of Science ®Google Scholar
• Winckler, G and Fischer, H, 2006: 30000 years of cosmic dust in Antarctic ice. Science, 313: 491.
   Google Scholar
• Wolfe, G.V., Steinke, M. and Kirst, GO., 1997: Grazing‐activated chemical defence in a unicellular marine alga. Nature, 387: 894–897.
   Web of Science ®Google Scholar
• Wong, C.S., Timothy, D.A., Law, C.S., Nojiri, Y., Xie, L., Wong, S.K.E. and Page, J.S., 2006: Carbon distribution and fluxes during the SERIES iron fertilization experiment with special reference to the fugacity of carbon dioxide (fCO2). Deep-Sea Research II, 53: 2053–2074.
   Google Scholar
• Yu, X., Zhou, W., Franzen, L.G., Xian, F., Cheng, P. and Jull, A.J.T., 2006: High‐resolution peat records for Holocene monsoon history in the eastern Tibetan Plateau. Science in China, Ser. D ‐ Earth Sciences, 49(6): 615–621.
   Google Scholar
• Zbik, M. and Gostin, V.A., 1995: Morphology and internal structure of Antarctic cosmic dust spherules: possible links to meteorite fusion crusts. Proceedings of the National Institute of Polar Research Symposium on Antarctic Meteorites, 8: 339–351.
   Google Scholar