Evidence of the North Atlantic Oscillation in varve composition and diatom assemblages from recent, annually laminated sediments of Lake Belau, northern Germany
The recent sediment record of Lake Belau (Schleswig–Holstein, Germany), deposited in the period 1945–2002, was compared with instrumental meteorological and limnological data. The sediments deposited during this period are annually laminated. A varve chronology was established and supported by ¹³⁷Cs...
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description | The recent sediment record of Lake Belau (Schleswig–Holstein, Germany), deposited in the period 1945–2002, was compared with instrumental meteorological and limnological data. The sediments deposited during this period are annually laminated. A varve chronology was established and supported by ¹³⁷Cs measurements. Micro-facies and diatom assemblage composition analyses were confirmed in thin sections and compared statistically with limnological and meteorological data. Comparison of phytoplankton data with diatom assemblage data from the sediment for the time interval from 1988 to 1999 proved that the sediments reflect limnological processes in the lake and record seasonal changes in the primary producer communities. Among the climatological data, the number of contiguous ice days (days with maximal temperatures ≤0 °C) and the state of the winter NAO are strong predictors for micro-facies development and diatom assemblage composition. Furthermore, solar and local (nutrient input) influences are visible in the diatom assemblage compositions. Our study illustrates the high potential for using analyses of micro-facies and diatom assemblages to reconstruct past weather conditions in varved sediments of Lake Belau. |
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The sediments deposited during this period are annually laminated. A varve chronology was established and supported by ¹³⁷Cs measurements. Micro-facies and diatom assemblage composition analyses were confirmed in thin sections and compared statistically with limnological and meteorological data. Comparison of phytoplankton data with diatom assemblage data from the sediment for the time interval from 1988 to 1999 proved that the sediments reflect limnological processes in the lake and record seasonal changes in the primary producer communities. Among the climatological data, the number of contiguous ice days (days with maximal temperatures ≤0 °C) and the state of the winter NAO are strong predictors for micro-facies development and diatom assemblage composition. Furthermore, solar and local (nutrient input) influences are visible in the diatom assemblage compositions. 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Our study illustrates the high potential for using analyses of micro-facies and diatom assemblages to reconstruct past weather conditions in varved sediments of Lake Belau.</description><subject>Algae</subject><subject>Bacillariophyceae</subject><subject>Climate</subject><subject>Climate Change</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Freshwater & Marine Ecology</subject><subject>Geology</subject><subject>ice</subject><subject>Lakes</subject><subject>meteorological data</subject><subject>meteorological instruments</subject><subject>Original Paper</subject><subject>Paleolimnology</subject><subject>Paleontology</subject><subject>Physical Geography</subject><subject>Phytoplankton</subject><subject>seasonal variation</subject><subject>Sedimentology</subject><subject>Sediments</subject><subject>temperature</subject><issn>0921-2728</issn><issn>1573-0417</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kc1u1DAUhSMEEkPhAVhhiQ2LpvVNPHG8LFUpSKN20XZt3Tg3U5fEHmxnpHmbPioewgKx6MKydO537o9OUXwEfgacy_MIXNV1yaEulQRZylfFCtYyKwLk62LFVQVlJav2bfEuxifOuWrlelU8X-1tT84Q8wNLj8RufEiP7CKN6JI17DYaO46YrHfMOrbHsCdm_LTz0f4R0fWst5j8xDBGmroRtxTZELIQyJBLp5lxM47jgY04WYeJehapt1MuxuPcDf4k9pVGnE-ZO86n4Ng1hQnd4X3xZsAx0oe__0lx_-3q_vJ7ubm9_nF5sSmxVk0qBapaiq4zwjQGZIVi3WADPTSiGRQ1gyAjRNWpAU1PRnYEUiqDAKia7D0pvixtd8H_mikmPdloKJ_uyM9RgwBVN3wtIaOf_0Of_BxcXk5DrZTMTFtnChbKBB9joEHvgp0wHDRwfYxML5HpHJk-RqZl9lSLJ2bWbSn80_kF06fFNKDXuA026oe7ioPg-bVtK-rfeuelXg</recordid><startdate>20130801</startdate><enddate>20130801</enddate><creator>Zahrer, Jürgen</creator><creator>Dreibrodt, Stefan</creator><creator>Brauer, Achim</creator><general>Springer-Verlag</general><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7U9</scope><scope>7UA</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H94</scope><scope>H95</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope></search><sort><creationdate>20130801</creationdate><title>Evidence of the North Atlantic Oscillation in varve composition and diatom assemblages from recent, annually laminated sediments of Lake Belau, northern Germany</title><author>Zahrer, Jürgen ; 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The sediments deposited during this period are annually laminated. A varve chronology was established and supported by ¹³⁷Cs measurements. Micro-facies and diatom assemblage composition analyses were confirmed in thin sections and compared statistically with limnological and meteorological data. Comparison of phytoplankton data with diatom assemblage data from the sediment for the time interval from 1988 to 1999 proved that the sediments reflect limnological processes in the lake and record seasonal changes in the primary producer communities. Among the climatological data, the number of contiguous ice days (days with maximal temperatures ≤0 °C) and the state of the winter NAO are strong predictors for micro-facies development and diatom assemblage composition. Furthermore, solar and local (nutrient input) influences are visible in the diatom assemblage compositions. Our study illustrates the high potential for using analyses of micro-facies and diatom assemblages to reconstruct past weather conditions in varved sediments of Lake Belau.</abstract><cop>Dordrecht</cop><pub>Springer-Verlag</pub><doi>10.1007/s10933-013-9717-7</doi><tpages>14</tpages></addata></record> |
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subjects | Algae Bacillariophyceae Climate Climate Change Earth and Environmental Science Earth Sciences Freshwater & Marine Ecology Geology ice Lakes meteorological data meteorological instruments Original Paper Paleolimnology Paleontology Physical Geography Phytoplankton seasonal variation Sedimentology Sediments temperature |
title | Evidence of the North Atlantic Oscillation in varve composition and diatom assemblages from recent, annually laminated sediments of Lake Belau, northern Germany |
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