Laboratory for XRF Element Scanning

Samples

  • Split core sections up to 180 cm length and diameters between 6 and 12 cm

Analyses

  • XRF system for non-destructive and continuous element records (Al through to Ba; 0.2 mm resolution)
  • Line-scan camera for optical imaging and RGB recording
  • X-ray camera and imaging

Technical specifications

  • Cr (1.9 kW) or Mo (3 kW) X-ray tube
  • Flat-beam wave guide to focus the X-ray beam onto the sample surface (rectangular spot area 0.2 x 22 mm)
  • Peltier cooled Si-drift-detector and digital MCA (throughput 300x103 cps)
  • more

Samples

  • Polished and epoxy-embedded sediment samples, thick-sections and speleothem samples (sample stage 20 x 17 cm)

Analyses

  • XRF system for ultra-high resolved element records and mapping (Na through to Ba; 20 µm)
  • Optical imaging

Technical specifications

  • Sample chamber (stage 20 x 17 cm) for analysis under vacuum
  • Low power X-ray tube (Rh anode, max. power 0.03 kW)
  • Capillar lens (VariSpot) for focusing the primary X-ray beam (spot size 20 µm)
  • Dual 30 mm2 Si-Drift Detector (throughput 300x103 cps each)
  • more

Samples

  • Polished and epoxy-embedded sediment samples, thick-sections and speleothem samples (sample stage 30 x 30 cm)

Analyses

  • XRF system for ultra-high resolved element records (Mg through to Ba; 50-250 µm)

Technical specifications

  • XL sample chamber for analysis under vacuum
  • low power X-ray tube (Rh anode, max. power 40 W)
  • Capillar lens (VariSpot) for focusing the primary X-ray beam (spot size 50 - 400 µm)
  • Si-Li semiconductor detector (LN2 cooled)
  • Two cameras (magnification ten- and hundred fold) for sampling site viewing
  • EDAX vision software

Samples

  • Split core sections up to 160 cm length

Analyses

  • Optical line-scanning of spit core samples with separate RGB sensors
  • UV-luminescence scanning of carbonate samples (e.g. speleothem, coral)

Technical specifications

  • Image resolution of 1500 dpi (width 68 mm)
  • Low speed scanning with high focal depth range
  • more

2018

  • Ott, F., Kramkowski, M., Wulf, S., Plessen, B., Serb, J., Tjallingii, R., Schwab, M. J., Slowinski, M., Brykala, D., Tyszkowski, S., Putyrskaya, V., Appelt, O., Błaszkiewicz, M., Brauer, A. (2018): Site-specific sediment responses to climate change during the last 140 years in three varved lakes in Northern Poland. - Holocene, 28, 3, pp. 464-477.
  • Pleskot, K., Tjallingii, R., Makohonienko, M., Nowaczyk, N., Szczuciński, W. (2018): Holocene paleohydrological reconstruction of Lake Strzeszyńskie (western Poland) and its implications for the central European climatic transition zone. - Journal of Paleolimnology, 59, 4, pp. 443-459.

2017

  • Andersen, N., Lauterbach, S., Erlenkeuser, H., Danielopol, D. L., Namiotko, T., Hüls, M., Belmecheri, S., Dulski, P., Nantke, C., Meyer, H., Chapligin, B., von Grafenstein, U., Brauer, A. (2017): Evidence for higher-than-average air temperatures after the 8.2 ka event provided by a Central European δ 18 O record. - Quaternary Science Reviews, 172, pp. 96-108.
  • Barrett, S., Starnberger, R., Tjallingii, R., Brauer, A., Spötl, C. (2017): The sedimentary history of the inner-alpine Inn Valley, Austria: extending the Baumkirchen type section further back in time with new drilling. Journal of Quaternary Science, 32, (1), 63-79.
  • Dräger, N., Theuerkauf, M., Szeroczynska, K., Wulf, S., Tjallingii, R., Plessen, B., Kienel, U., Brau-er, A. (2016): Varve microfacies and varve preservation record of climate change and human impact for the last 6000 years at Lake Tiefer See (NE Germany). Holocene, 27, (3), 450-464.
  • Fohlmeister, J., Plessen, B., Dudashvili, A. S., Tjallingii, R., Wolff, C., Gafurov, A., Cheng, H. (2017): Winter precipitation changes during the Medieval Climate Anomaly and the Little Ice Age in arid Central Asia. - Quaternary Science Reviews, 178, pp. 24-36.
  • Haliuc, A., Veres, D., Brauer, A., Hubay, K., Hutchinson, S. M., Begy, R., Braun, M. (2017): Pa-laeohydrological changes during the mid and late Holocene in the Carpathian area, central-eastern Europe. Global and Planetary Change, 152, 99-114.
  • Kienel, U., Kirillin, G., Brademann, B., Plessen, B., Lampe, R., Brauer, A. (2017): Effects of spring warming and mixing duration on diatom deposition in deep Tiefer See, NE Germany. - Journal of Paleolimnology, 57, 1, pp. 37-49.
  • Koutsodendris, A., Brauer, A., Reed, J. M., Plessen, B., Friedrich, O., Hennrich, B., Zacharias, I., Pross, J. (2017): Climate variability in SE Europe since 1450 AD based on a varved sediment record from Etoliko Lagoon (Western Greece). Quaternary Science Reviews, 159, pp. 63-76.
  • Martin-Puertas, C., Tjallingii, R., Bloemsma, M., Brauer, A. (2017): Varved sediment responses to early Holocene climate and environmental changes in Lake Meerfelder Maar (Germany) obtained from multivariate analyses of micro X-ray fluorescence core scanning data. Journal of Quaternary Science, 32, (3), 427-436.
  • Palchan, D., Neugebauer, I., Amitai, Y., Waldmann, N. D., Schwab, M. J., Dulski, P., Brauer, A., Stein, M., Erel, Y., Enzel, Y. (2017): North Atlantic controlled depositional cycles in MIS 5e lay¬ered sediments from the deep Dead Sea basin. Quaternary Research, 87, (1), 168-179.
  • Rach, O., Engels, S., Kahmen, A., Brauer, A., Martin-Puertas, C., van Geel, B., Sachse, D. (2017): Hydrological and ecological changes in western Europe between 3200 and 2000 years BP derived from lipid biomarker δD values in lake Meerfelder Maar sediments. - Quaternary Science Reviews, 172, pp. 44-54.
  • Schlolaut, G., Brauer, A., Nakagawa, T., Lamb, H. F., Tyler, J. J., Staff, R. A., Marshall, M. H., Bronk Ramsey, C., Bryant, C. L., Tarasov, P. E. (2017): Evidence for a bi-partition of the Younger Dryas Stadial in East Asia associated with inversed climate characteristics compared to Europe. Scien-tific Reports, 7, Art.-No. 44983, doi: 10.1038/srep44983.
  • Schwarz, A., Turner, F., Lauterbach, S., Plessen, B., Krahn, K. J., Glodniok, S., Mischke, S., Stebich, M., Witt, R., Mingram, J., Schwalb, A. (2017): Mid- to late Holocene climate-driven regime shifts inferred from diatom, ostracod and stable isotope records from Lake Son Kol (Central Tian Shan, Kyrgyzstan). - Quaternary Science Reviews, 177, pp. 340-356.
  • Slowinski, M., Zawiska, I., Ott, F., Noryśkiewicz, A. M., Plessen, B., Apolinarska, K., Rzodkiewicz, M., Michczyńska, D. J., Wulf, S., Skubała, P., Kordowski, J., Błaszkiewicz, M., Brauer, A. (2017). Differential proxy responses to late Allerød and early Younger Dryas climatic change recorded in varved sediments of the Trzechowskie palaeolake in Northern Poland. - Quaternary Science Reviews, 158, pp. 94-106.
  • Wolff, C., Plessen, B., Dudashvilli, A. S., Breitenbach, S. F., Cheng, H., Edwards, L. R., Strecker, M. R. (2017): Precipitation evolution of Central Asia during the last 5000 years. Holocene, 27, (1), 142-154.
  • Zielhofer, C., Fletcher, W. J., Mischke, S., De Batist, M., Campbell, J. F., Joannin, S., Tjallingii, R., El Hamouti, N., Junginger, A., Stele, A., Bussmann, J., Schneider, B., Lauer, T., Spitzer, K., Stru-pler, M., Brachert, T., Mikdad, A. (2017): Atlantic forcing of Western Mediterranean winter rain minima during the last 12,000 years. Quaternary Science Reviews, 157, 29-51.

2016

  • Czymzik, M., Adolphi, F., Muscheler, R., Mekhaldi, F., Martin-Puertas, C., Aldahan, A., Possnert, G., Brauer, A. (2016): A varved lake sediment record of the 10Be solar activity proxy for the Lateglacial-Holocene transition. Quaternary Science Reviews, 153, 31 - 39.
  • Czymzik, M., Dreibrodt, S., Feeser, I., Adolphi, F., Brauer, A. (2016): Mid-Holocene humid periods reconstructed from calcite varves of the Lake Woserin sediment record (north-eastern Ger¬many). Holocene, 26, (6), 935-946.
  • Dietze, E., Slowinski, M., Zawiska, I., Veh, G., Brauer, A. (2016): Multiple drivers of Holocene lake level changes at a lowland lake in northeastern Germany. Boreas, 45, (4), 828-845.
  • Dräger, N., Brauer, A., Brademann, B., Tjallingii, R., Słowiński, M., Błaszkiewicz, M., Schlaak, N. (2016): Spontaneous self-combustion of organic-rich lateglacial lake sediments after freeze-drying. Journal of Paleolimnology, 55, (2), 185-194.
  • Engels, S., Brauer, A., Buddelmeijer, N., Martin-Puertas, C., Rach, O., Sachse, D., van Geel, B. (2016): Subdecadal-scale vegetation responses to a previously unknown late-Allerød climate fluctua-tion and Younger Dryas cooling at Lake Meerfelder Maar (Germany). Journal of Quaternary Sci-ence, 31, 741-752.
  • Lenz, J., Jones, B. M., Wetterich, S., Tjallingii, R., Fritz, M., Arp, C. D., Rudaya, N., Grosse, G. (2016): Impacts of shore expansion and catchment characteristics on lacustrine thermokarst records in permafrost lowlands, Alaska Arctic Coastal Plain. Arktos, 2, (1): article 25, doi:10.1007/s41063-016-0025-0.
  • Neugebauer, I., Schwab, M. J., Waldmann, N. D., Tjallingii, R., Frank, U., Hadzhiivanova, E., Nau-mann, R., Taha, N., Agnon, A., Enzel, Y., Brauer, A. (2016): Hydroclimatic variability in the Levant during the early last glacial (~  117–75 ka) derived from micro-facies analyses of deep Dead Sea sed-iments. Climate of the Past, 12, (1), 75-90.
  • Ott, F., Wulf, S., Serb, J., Słowiński, M., Obremska, M., Tjallingii, R., Błaszkiewicz, M., Brauer, A. (2016): Constraining the time span between the Early Holocene Hässeldalen and Askja-S Tephras through varve counting in the Lake Czechowskie sediment record, Poland. Journal of Quaternary Science, 31, (2), 103-113.
  • Saarni, S., Muschitiello, F., Weege, S., Brauer, A., Saarinen, T. (2016): A late Holocene record of solar-forced atmospheric blocking variability over Northern Europe inferred from varved lake sediments of Lake Kuninkaisenlampi. - Quaternary Science Reviews, 154, pp. 100-110.
  • Saarni, S., Saarinen, T., Dulski, P. (2016): Between the North Atlantic Oscillation and the Siberian High: A 4000-year snow accumulation history inferred from varved lake sediments in Finland. Holo-cene, 26, (3), 423-431.
  • Wulf, S., Dräger, N., Ott, F., Serb, J., Appelt, O., Guðmundsdóttir, E., van den Bogaard, C., Sło-wiński, M., Błaszkiewicz, M., Brauer, A. (2016): Holocene tephrostratigraphy of varved sediment records from Lakes Tiefer See (NE Germany) and Czechowskie (N Poland). Quaternary Science Reviews, 132, 1-14.

2015

  • Czymzik, M., Muscheler, R., Brauer, A., Adolphi, F., Ott, F., Kienel, U., Dräger, N., Słowiński, M., Aldahan, A., Possnert, G. (2015): Solar cycles and depositional processes in annual 10Be from two varved lake sediment records. Earth and Planetary Science Letters, 428, 44-51.
  • Dulski, P., Brauer, A., Mangili, C. (2015): Combined µ-XRF and Microfacies Techniques for Lake Sediment Analyses. In: Croudace, I. W., Rothwell, R. G. (Eds.), Micro-XRF Studies of Sediment Cores, (Developments in Paleoenvironmental Research, 17), Dordrecht, Springer, 325-349.
  • Kalbe, J., Mischke, S., Dulski, P., Sharon, G. (2015): The Middle Palaeolithic Nahal Mahanayeem Outlet site, Israel: reconstructing the environment of Late Pleistocene wetlands in the eastern Mediter-ranean from ostracods. Journal of Archaeological Science, 54, 385-395.
  • Koutsodendris, A., Brauer, A., Zacharias, I., Putyrskaya, V., Klemt, E., Sangiorgi, F., Pross, J. (2015): Ecosystem response to human- and climate-induced environmental stress on an anoxic coastal lagoon (Etoliko, Greece) since 1930 AD. Journal of Paleolimnology, 53, (3), 255-270.
  • Lane, C. S., Brauer, A., Martin-Puertas, C., Blockley, S. P., Smith, V. C., Tomlinson, E. L. (2015): The Late Quaternary tephrostratigraphy of annually laminated sediments from Meerfelder Maar, Germany. Quaternary Science Reviews, 122, 192-206.
  • Mishra, P. K., Anoop, A., Schettler, G., Prasad, S., Jehangir, A., Menzel, P., Naumann, R., Yousuf, A., Basavaiah, N., Deenadayalan, K., Wiesner, M., Gaye, B. (2015): Reconstructed late Quaternary hydrological changes from Lake Tso Moriri, NW Himalaya. - Quaternary International, 371, pp. 76-86.
  • Neugebauer, I., Brauer, A., Schwab, M. J., Dulski, P., Frank, U., Hadzhiivanova, E., Kitagawa, H., Litt, T., Schiebel, V., Taha, N., Waldmann, N. D., DSDDP Scientific Party (2015): Evidences for centennial dry periods at ~ 3300 and ~ 2800 cal. yr BP from micro-facies analyses of the Dead Sea sediments. Holocene, 25, (8), 1358–1371.
  • Wutke, K., Wulf, S., Tomlinson, E. L., Hardiman, M., Dulski, P., Luterbacher, J., Brauer, A. (2015): Geochemical properties and environmental impacts of seven Campanian tephra layers de¬posited be-tween 40 and 38 ka BP in the varved lake sediments of Lago Grande di Monticchio, southern Italy. Quaternary Science Reviews, 118, 67-83.

ITRAXprep software

ITRAXecerate software

 

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