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Journal articles on the topic 'Palaeoenvironmental record; Palaeoclimate'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Leng, M. J., I. Baneschi, G. Zanchetta, C. N. Jex, B. Wagner, and H. Vogel. "Late Quaternary palaeoenvironmental reconstruction from Lakes Ohrid and Prespa (Macedonia/Albania border) using stable isotopes." Biogeosciences 7, no. 10 (2010): 3109–22. http://dx.doi.org/10.5194/bg-7-3109-2010.

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Abstract. Here we present stable isotope data from three sediment records from lakes that lie along the Macedonian-Albanian border (Lake Prespa: 1 core, and Lake Ohrid: 2 cores). The records only overlap for the last 40 kyr, although the longest record contains the MIS 5/6 transition (Lake Ohrid). The sedimentary characteristics of both lakes differ significantly between the glacial and interglacial phases. At the end of MIS 6 Lake Ohrid's water level was low (high δ18Ocalcite) and, although productivity was increasing (high calcite content), the carbon supply was mainly from inorganic catchme

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Leng, M. J., I. Baneschi, G. Zanchetta, C. N. Jex, B. Wagner, and H. Vogel. "Late Quaternary palaeoenvironmental reconstruction from Lakes Ohrid and Prespa (Macedonia/Albania border) using stable isotopes." Biogeosciences Discussions 7, no. 3 (2010): 3815–53. http://dx.doi.org/10.5194/bgd-7-3815-2010.

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Abstract. Here we present stable isotope data from three sediment records from lakes that lie along the Macedonian-Albanian border (Lake Prespa: 1 core, and Lake Ohrid: 2 cores). The records only overlap for the last 40 kyr, although the longest record contains the MIS 5/6 transition (Lake Ohrid). The sedimentary characteristics of both lakes differ significantly between the glacial and interglacial phases. At the end of MIS 6 Lake Ohrid's water level was low (high δ18Ocalcite) and, although productivity was increasing (high calcite content), the carbon supply was mainly from inorganic catchme

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3

Makaroğlu, Özlem, Norbert R. Nowaczyk, Kadir K. Eriş, and M. Namık Çağatay. "High-resolution palaeomagnetic record from Sea of Marmara sediments for the last 70 ka." Geophysical Journal International 222, no. 3 (2020): 2024–39. http://dx.doi.org/10.1093/gji/ggaa281.

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SUMMARY Magnetostratigraphic and geochemical analyses were performed on two sediment cores recovered from the Sea of Marmara to investigate geomagnetic field variations over the last 70 ka. A chronology for each of the two cores was developed from eight AMS 14C datings, tephrochronology, and tuning of Ca concentrations with stadials and interstadials observed in Greenland ice core oxygen isotope data. Based on the age models, cores MD01–2430 and MRS-CS19 reach back to 70 and 32 ka, respectively. High average sedimentation rates of 43 cm kyr–1 for core MD01–2430 and 68 cm kyr–1 for core MRS-CS1

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Opel, Thomas, Sebastian Wetterich, Hanno Meyer, Alexander Y. Dereviagin, Margret C. Fuchs, and Lutz Schirrmeister. "Ground-ice stable isotopes and cryostratigraphy reflect late Quaternary palaeoclimate in the Northeast Siberian Arctic (Oyogos Yar coast, Dmitry Laptev Strait)." Climate of the Past 13, no. 6 (2017): 587–611. http://dx.doi.org/10.5194/cp-13-587-2017.

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Abstract. To reconstruct palaeoclimate and palaeoenvironmental conditions in the northeast Siberian Arctic, we studied late Quaternary permafrost at the Oyogos Yar coast (Dmitry Laptev Strait). New infrared-stimulated luminescence ages for distinctive floodplain deposits of the Kuchchugui Suite (112.5 ± 9.6 kyr) and thermokarst-lake deposits of the Krest Yuryakh Suite (102.4 ± 9.7 kyr), respectively, provide new substantial geochronological data and shed light on the landscape history of the Dmitry Laptev Strait region during Marine Isotope Stage (MIS) 5. Ground-ice stable-isotope data are pre

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Schittek, K., S. T. Kock, A. Lücke, et al. "Environmental and climatic history in the NW Argentine Andes (24° S) over the last 2100 years inferred from a high-altitude peatland record." Climate of the Past Discussions 11, no. 3 (2015): 2037–76. http://dx.doi.org/10.5194/cpd-11-2037-2015.

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Abstract. High-altitude cushion peatlands are versatile archives for high-resolution palaeoenvironmental studies, due to their high accumulation rates, range of proxies and sensitivity to climatic and/or human-induced changes. Especially within the central Andes, the knowledge about climate conditions during the Holocene is limited. In this study, we present the environmental and climatic history for the last 2100 years of Cerro Tuzgle peatland (CTP), which is located in the dry Puna of NW Argentina, based on a multi-proxy approach. X-ray fluorescence (XRF), stable isotope and element content

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Drake, Nicholas, Mustapha Salem, Simon Armitage, et al. "DMP XV: Palaeohydrology and Palaeoenvironment: Initial Results and Report of 2010 and 2011 Fieldwork." Libyan Studies 42 (2011): 139–49. http://dx.doi.org/10.1017/s0263718900004878.

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AbstractThis paper reports the results of fieldwork conducted in the 2010 and 2011 DMP field seasons and of analysis of samples collected during these and previous years. Research has involved 1) studying palaeolake sediment outcrops, 2) using ground penetrating radar (GPR) to determine their extent under the Dahān Ubārī, and 3) coring palaeolakes in order to determine their palaeoenvironmental records. Research on these samples is continuing but some initial findings are discussed in this paper. The most extensive palaeolake sediments are found within the al-Mahruqah Formation and were deposi

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Schittek, Karsten, Sebastian T. Kock, Andreas Lücke, et al. "A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years." Climate of the Past 12, no. 5 (2016): 1165–80. http://dx.doi.org/10.5194/cp-12-1165-2016.

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Abstract. High-altitude cushion peatlands are versatile archives for high-resolution palaeoenvironmental studies, due to their high accumulation rates, range of proxies, and sensitivity to climatic and/or human-induced changes. Especially within the Central Andes, the knowledge about climate conditions during the Holocene is limited. In this study, we present the environmental and climatic history for the last 2100 years of Cerro Tuzgle peatland (CTP), located in the dry Puna of NW Argentina, based on a multi-proxy approach. X-ray fluorescence (XRF), stable isotope and element content analyses

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Vossel, Hannah, Patricia Roeser, Thomas Litt, and Jane M. Reed. "Lake Kinneret (Israel): New insights into Holocene regional palaeoclimate variability based on high-resolution multi-proxy analysis." Holocene 28, no. 9 (2018): 1395–410. http://dx.doi.org/10.1177/0959683618777071.

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The southern Levant is a Mediterranean climate zone of complex variability in which uncertainty remains in regional palaeoclimate reconstruction. In spite of the proven value of diatoms in circum-Mediterranean palaeoenvironmental research, their potential remains largely unexplored in the southern Levant region. In this study, we generate a new, high-resolution multi-proxy record for the last ca. 9000 cal. yr BP, supported by diatom data and key biological, mineralogical and geochemical indicators preserved in a 17.8-m-long sediment sequence recovered from Lake Kinneret (the Sea of Galilee), I

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Stone, Abi E. C. "Last Glacial Maximum conditions in southern Africa." Progress in Physical Geography: Earth and Environment 38, no. 5 (2014): 519–42. http://dx.doi.org/10.1177/0309133314528943.

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The Last Glacial Maximum (LGM) (21±2 ka) is an important period for which to understand past climatic and environmental conditions. In particular it is a key time-slice for evaluating the performance of numerical climate model simulations of glacial palaeoclimates using palaeoenvironmental data sets. However, our palaeoenvironmental data sets and reconstructions of climatic conditions at the LGM are still debated in certain regions. This is the case for southern Africa, despite more than half a century of research since early conceptual models of palaeoclimate were proposed. The greatest debat

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PRADO-PÉREZ, ANTONIO J., ANTONIO DELGADO HUERTAS, M. T. CRESPO, A. MARTÍN SÁNCHEZ, and LUÍS PÉREZ DEL VILLAR. "Late Pleistocene and Holocene mid-latitude palaeoclimatic and palaeoenvironmental reconstruction: an approach based on the isotopic record from a travertine formation in the Guadix-Baza basin, Spain." Geological Magazine 150, no. 4 (2013): 602–25. http://dx.doi.org/10.1017/s0016756812000726.

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AbstractA comprehensive palaeoenvironmental reconstruction of the last 219 ka has been carried out by determining the isotopic signatures (δ18O and δ13C) in 766 samples of a thermogene travertine formation in the Guadix-Baza Tertiary basin (Granada, SE Spain). This travertine formation was dated from ≈ 220 to ≈ 5 ka by means of the alpha-spectrometry technique. Initially, the study of the δ18O values of the travertine formation was carried out because they are excellent indicators of the overall palaeoclimatic condition of a particular site. Likewise, the evolution of δ13C values, which can be

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Vött, Andreas, Timo Willershäuser, Björn R. Röbke, et al. "Major flood events recorded in the Holocene sedimentary sequence of the uplifted Ladiko and Makrisia basins near ancient Olympia (western Peloponnese, Greece)." Zeitschrift für Geomorphologie, Supplementary Issues 62, no. 2 (2019): 143–95. http://dx.doi.org/10.1127/zfg_suppl/2018/0499.

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Detailed palaeoenvironmental studies were conducted in the Ladiko and Makrisia basins near the Alpheios River and ancient Olympia (western Peloponnese, Greece) to assess major landscape changes during the Holocene. Previous studies and literature data document that the area experienced crust uplift of minimum 13 m to 30 m since the mid-Holocene. Geological archives were sampled along a vibracore transect connecting the Ladiko and Makrisia basins. Sediment cores were analyzed using sedimento-logical, geochemical and micropalaeontological methods. Geochronological reconstruction of major landsca

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Goodwin, Ian D., and Carol J. Pudsey. "Introduction." Antarctic Science 10, no. 3 (1998): 225–26. http://dx.doi.org/10.1017/s0954102098000315.

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This issue contains a group of papers selected from those presented at the 1st workshop of the SCAR-GLOCHANT and IGBP-PAGES cosponsored programme on the Late Quaternary Sedimentary Record of the Antarctic Ice Margin Evolution (ANTIME), held in Hobart, 6-1 1 July 1997. ANTIME is focused on the circurn Antarctic reconstruction of palaeoclimate, palaeoenvironment, and ice sheet palaeogeography throughout the last glacial cycle. There were 65 participants from Australia, USA, UK, Italy, Spain, Japan, Sweden, Germany and Russia at the workshop. The participants included representatives of PAGES, IM

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Stefanini, Bettina S., Pirita O. Oksanen, John P. Corcoran, and Fraser JG Mitchell. "Appraising the cohesion of palaeoenvironmental reconstructions in north-west Spain since the mid-Holocene from a high temporal resolution multi-proxy peat record." Holocene 28, no. 5 (2017): 681–94. http://dx.doi.org/10.1177/0959683617744258.

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Investigation of abrupt palaeohydrological regime change remains challenging due to site-specific noise ratios and the limitations of dating control and spatial resolution of multi-proxy records. Some of these issues are addressed through a well dated and highly resolved record from an ombrotrophic peatland in Galicia, north-west Spain. The site is in an ideal location to record marine influences and test models of past palaeoclimatic boundaries and ocean-atmosphere linkages through multi-proxy records of macrofossils, microfossils, charcoal, peat humification and loss-on-ignition data. In con

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Martin, Louis, Marc Fournier, Philippe Mourguiart, et al. "Southern Oscillation Signal in South American Palaeoclimatic Data of the Last 7000 Years." Quaternary Research 39, no. 3 (1993): 338–46. http://dx.doi.org/10.1006/qres.1993.1040.

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AbstractDuring strong El Niño events, rainfall anomalies and changes in wind patterns are observed in different regions of South America. Along the central Brazilian coast, during the 1983 El Niño year, the frontal systems were blocked to the south, provoking a reversal of the longshore sand transport. Long-duration reversals of longshore transport were also recorded in Holocene beach-ridge terraces from the Rio Doce coastal plain. This led to the formulation of a model relating these reversals of longshore transport to El Niño-like conditions. El Niño-like conditions are past average climate

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Kageyama, Masa, Pascale Braconnot, Sandy P. Harrison, et al. "The PMIP4 contribution to CMIP6 – Part 1: Overview and over-arching analysis plan." Geoscientific Model Development 11, no. 3 (2018): 1033–57. http://dx.doi.org/10.5194/gmd-11-1033-2018.

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Abstract. This paper is the first of a series of four GMD papers on the PMIP4-CMIP6 experiments. Part 2 (Otto-Bliesner et al., 2017) gives details about the two PMIP4-CMIP6 interglacial experiments, Part 3 (Jungclaus et al., 2017) about the last millennium experiment, and Part 4 (Kageyama et al., 2017) about the Last Glacial Maximum experiment. The mid-Pliocene Warm Period experiment is part of the Pliocene Model Intercomparison Project (PlioMIP) – Phase 2, detailed in Haywood et al. (2016).The goal of the Paleoclimate Modelling Intercomparison Project (PMIP) is to understand the response of t

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Harrison, Sandy P., Marie-José Gaillard, Benjamin D. Stocker, et al. "Development and testing scenarios for implementing land use and land cover changes during the Holocene in Earth system model experiments." Geoscientific Model Development 13, no. 2 (2020): 805–24. http://dx.doi.org/10.5194/gmd-13-805-2020.

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Abstract. Anthropogenic changes in land use and land cover (LULC) during the pre-industrial Holocene could have affected regional and global climate. Existing scenarios of LULC changes during the Holocene are based on relatively simple assumptions and highly uncertain estimates of population changes through time. Archaeological and palaeoenvironmental reconstructions have the potential to refine these assumptions and estimates. The Past Global Changes (PAGES) LandCover6k initiative is working towards improved reconstructions of LULC globally. In this paper, we document the types of archaeologi

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Narcisi, Biancamaria. "Palaeoenvironmental and palaeoclimatic implications of the Late-Quaternary sediment record of Vico volcanic lake (central Italy)." Journal of Quaternary Science 16, no. 3 (2001): 245–55. http://dx.doi.org/10.1002/jqs.594.

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Salvi, Cristinamaria, Gianguido Salvi, Barbara Stenni, and Antonio Brambati. "Palaeoproductivity in the Ross Sea, Antarctica, during the last 15 kyr BP and its link with ice-core temperature proxies." Annals of Glaciology 39 (2004): 445–51. http://dx.doi.org/10.3189/172756404781814582.

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AbstractA detailed study of organic carbon content obtained from two sediment cores collected in the Joides basin, western Ross Sea, Antarctica, was carried out. The variations observed during the last deglaciation and the Holocene were compared to the high-resolution climatic records (EPICA DC and Taylor Dome) preserved in the ice. The importance of the carbon content as a proxy for palaeoclimatic and palaeoenvironmental changes was investigated. A dramatic decrease in the Ross Sea palaeoproductivity was observed during the Antarctic Cold Reversal (12.5–14 kyr BP). Another decrease in total o

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Marquer, L., S. Pomel, A. Abichou, E. Schulz, D. Kaniewski, and E. Van Campo. "Late Holocene high resolution palaeoclimatic reconstruction inferred from Sebkha Mhabeul, southeast Tunisia." Quaternary Research 70, no. 2 (2008): 240–50. http://dx.doi.org/10.1016/j.yqres.2008.06.002.

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AbstractRelations between climate change and landscape evolution during the last two millennia in southeastern coastal Tunisia have been documented using high-resolution reconstruction of flood history and fire activity in the Sebkha Mhabeul core. The age model, based on tephrochronology, indicates that the core extends from Roman to modern times and encompasses the well-defined climatic periods of the last two millennia. This record provides a first palaeoecological/palaeoclimatic high resolution reconstruction in North Africa using a cross-disciplinary approach with both physical (grey-scale

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Pratte, Steve, Kunshan Bao, Atindra Sapkota, et al. "14 kyr of atmospheric mineral dust deposition in north-eastern China: A record of palaeoclimatic and palaeoenvironmental changes in the Chinese dust source regions." Holocene 30, no. 4 (2019): 492–506. http://dx.doi.org/10.1177/0959683619892661.

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A multi-proxy record of Holocene and late-Pleistocene aeolian mineral dust is reconstructed using a combination of geochemical (trace elements), mineralogical and grain-size analyses on cores from the Hani peatland in north-eastern (NE) China. The dust record displays a sharp increase in dust deposition during the late Holocene in comparison to the rest of the Holocene. This trend is in line with climatic records from the Chinese dust source regions and their downwind areas, which generally show an increase in aridity and aeolian activity during the late Holocene. The larger part of the Chines

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Zhang, Qiang, Qingsong Liu, and Youbin Sun. "Review of recent developments in aeolian dust signals of sediments from the North Pacific Ocean based on magnetic minerals." Geological Magazine 157, no. 5 (2019): 790–805. http://dx.doi.org/10.1017/s0016756819000712.

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AbstractThe North Pacific Ocean (NPO) has received abundant aeolian dust transported by westerlies from the Asian inland. The aeolian components preserved in NPO sediments record information on palaeoclimatic and palaeoenvironmental changes in Asian source areas at different timescales. Previous studies have systematically investigated the source–sink effect of aeolian dust using the sedimentology, geochemistry, isotope and magnetic methods. In this study, we focus more on recent developments of aeolian signals in NPO sediments obtained by magnetic approaches. Generally, aeolian components con

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Conran, John G., Raymond J. Carpenter, and Gregory J. Jordan. "Early Eocene Ripogonum (Liliales: Ripogonaceae) leaf macrofossils from southern Australia." Australian Systematic Botany 22, no. 3 (2009): 219. http://dx.doi.org/10.1071/sb08050.

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We present evidence that fossil leaves from an early Eocene estuarine mudstone deposit at Lowana Road in western Tasmania include the oldest records of the extant monocot genus, Ripogonum (Ripogonaceae). These fossils are similar to the extant eastern Australian and Papua New Guinean R. album R.Br. and New Zealand R. scandens J.R. et G.Forst., and are described as a new species, R. tasmanicum Conran, R.J.Carp. & G.J.Jord. The venation, cuticular and other leaf features of this fossil are included in a morphology-based phylogenetic analysis for the genus, and character evolution is discusse

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Wagreich, Michael, Benjamin Sames, Malcolm Hart, and Ismail O. Yilmaz. "An introduction to causes and consequences of Cretaceous sea-level changes (IGCP 609)." Geological Society, London, Special Publications 498, no. 1 (2019): 1–8. http://dx.doi.org/10.1144/sp498-2019-156.

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AbstractThe International Geoscience Programme Project IGCP 609 addressed correlation, causes and consequences of short-term sea-level fluctuations during the Cretaceous. Processes causing several ka to several Ma (third- to fourth-order) sea-level oscillations during the Cretaceous are so far poorly understood. IGCP 609 proved the existence of sea-level cycles during potential ice sheet-free greenhouse to hothouse climate phases. These sea-level fluctuations were most probably controlled by aquifer-eustasy that is altering land-water storage owing to groundwater aquifer charge and discharge.

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Chi, Changting, Yanyan Tian, Zhu Zhou, Lu Lu, Junping Wang, and Mingjian Wei. "Palaeoclimate and palaeoenvironmental evolution during the late Pliocene (3.04–2.88 Ma) based on pollen records from the Yinchuan Basin, Northwest China." Quaternary International 598 (October 2021): 15–23. http://dx.doi.org/10.1016/j.quaint.2021.04.036.

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Seguin, Joana, Pavlos Avramidis, Annette Haug, Torben Kessler, Arndt Schimmelmann, and Ingmar Unkel. "Reconstruction of palaeoenvironmental variability based on an inter-comparison of four lacustrine archives on the Peloponnese (Greece) for the last 5000 years." E&G Quaternary Science Journal 69, no. 2 (2020): 165–86. http://dx.doi.org/10.5194/egqsj-69-165-2020.

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Abstract. A high quantity of well-dated, high-resolution, continuous geoarchives is needed to connect palaeoenvironmental reconstructions with socio-environmental and cultural transformations in a geographically heterogeneous region such as southern Greece. However, detailed and continuous palaeoclimatic and palaeoenvironmental archives from the NE Peloponnese are still sparse. Here, we present two new palaeolake archives of Pheneos and Kaisari covering the last 10 500 and 6500 years, respectively. For the last 5000 years, we compare them with sediment records from adjacent Lake Stymphalia and

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Wheeler, Alexander, and Annette E. Götz. "Palynofacies patterns of the Highveld coal deposits (Karoo Basin, South Africa): Clues to reconstruction of palaeoenvironment and palaeoclimate." Acta Palaeobotanica 56, no. 1 (2016): 3–15. http://dx.doi.org/10.1515/acpa-2016-0004.

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Abstract The early Permian represents a crucial period of climate change in Gondwana. This climate signature is captured in the palynological record that represents the floral assemblage of the region. Palynofacies analysis of the No. 2 Coal Seam of the Highveld Coalfield provides a high-resolution picture of this climatic shift, as well as detailing the vegetation patterns and local environments. Core samples taken from two localities were studied with respect to the characteristics of the plant debris and the palynomorph assemblages to differentiate between regional and local signatures. At

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Dabkowski, Julie, Jitka Frodlová, Michal Hájek, et al. "A complete Holocene climate and environment record for the Western Carpathians (Slovakia) derived from a tufa deposit." Holocene 29, no. 3 (2018): 493–504. http://dx.doi.org/10.1177/0959683618816443.

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Calcareous tufas are great archives of geochemical information for the reconstruction of past climate. Their importance increases in the regions where other proxies are rare, such as Western Carpathians. Here, we present the first whole-Holocene palaeoclimatic reconstruction for this region based on geochemical proxies. We analysed δ18O, δ13C and Mg/Ca ratio on tufa calcite of the Mituchovci site (White Carpathian Mountains, W Slovakia) and compared these with pollen, plant macrofossil and mollusc data. According to δ18O, two distinct thermal maxima occurred in the region, around 11.4 ka and b

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Tadros, Carol V., Pauline C. Treble, Andy Baker, et al. "ENSO–cave drip water hydrochemical relationship: a 7-year dataset from south-eastern Australia." Hydrology and Earth System Sciences 20, no. 11 (2016): 4625–40. http://dx.doi.org/10.5194/hess-20-4625-2016.

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Abstract. Speleothems (cave deposits), used for palaeoenvironmental reconstructions, are deposited from cave drip water. Differentiating climate and karst processes within a drip-water signal is fundamental for the correct identification of palaeoenvironmental proxies and ultimately their interpretation within speleothem records. We investigate the potential use of trace element and stable oxygen-isotope (δ18O) variations in cave drip water as palaeorainfall proxies in an Australian alpine karst site. This paper presents the first extensive hydrochemical and δ18O dataset from Harrie Wood Cave,

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Mingram, Jens, Georg Schettler, Norbert Nowaczyk, et al. "The Huguang maar lake—a high-resolution record of palaeoenvironmental and palaeoclimatic changes over the last 78,000 years from South China." Quaternary International 122, no. 1 (2004): 85–107. http://dx.doi.org/10.1016/j.quaint.2004.02.001.

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Schröder, Tabea, José Antonio López-Sáez, Jasmijn van’t Hoff, and Klaus Reicherter. "Unravelling the Holocene environmental history of south-western Iberia through a palynological study of Lake Medina sediments." Holocene 30, no. 1 (2019): 13–22. http://dx.doi.org/10.1177/0959683619865590.

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Lake Medina is a small, shallow and endorheic salt lake sensitive to climate variation in south-western Spain, close to Cádiz in western Andalusia. It is located in an evaporitic and karstic environment, and a saline lake affected by highly seasonal precipitation and evaporation. Geochemical and mineralogical data of core CO1313 combined with a robust age model show variation that contributes to the understanding of palaeoenvironmental and palaeoclimatic change. This study shows a pollen record that has been conducted on core CO1313, together with charcoal and non-pollen palynomorph analyses.

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Diniz, Débora, and Svetlana Medeanic. "Palynomorph Records from the Core of Rio Grande Cone, Brazil: Approaches for Palaeoenvironmental and Palaeoclimatic Reconstructions in the Middle Holocene." Journal of Coastal Research 292 (November 2013): 1351–60. http://dx.doi.org/10.2112/jcoastres-d-11-00121.1.

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Novenko, Elena Yu, Andrey N. Tsyganov, Kirill V. Babeshko, et al. "Climatic moisture conditions in the north-west of the Mid-Russian Upland during the Holocene." GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY 12, no. 4 (2019): 188–202. http://dx.doi.org/10.24057/2071-9388-2018-62.

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This study aimed to reconstruct the climatic moisture conditions of the Mid- Russian Upland through the Holocene. Surface moisture conditions in the study region were inferred from published pollen records from the Klukva peatland, in the north-west of the Mid-Russian Upland. Three climatic indices were derived from previously- published reconstructions of mean annual temperature and precipitation: the Climate Moisture Index, the Aridity Index and the Budyko Dryness Index. A simple modeling approach to reconstruct annual potential evapotranspiration and net radiation was developed and used to

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Leicher, Niklas, Giovanni Zanchetta, Roberto Sulpizio, et al. "First tephrostratigraphic results of the DEEP site record from Lake Ohrid (Macedonia and Albania)." Biogeosciences 13, no. 7 (2016): 2151–78. http://dx.doi.org/10.5194/bg-13-2151-2016.

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Abstract. A tephrostratigraphic record covering the Marine Isotope Stages (MIS) 1–15 was established for the DEEP site record of Lake Ohrid (Macedonia and Albania). Major element analyses (energy dispersive spectroscopy (EDS) and wavelength-dispersive spectroscopy (WDS)) were carried out on juvenile fragments extracted from 12 tephra layers (OH-DP-0115 to OH-DP-2060). The geochemical analyses of the glass shards of all of these layers suggest an origin in the Italian volcanic provinces. They include the Y-3 (OH-DP-0115, 26.68–29.42 ka cal BP), the Campanian Ignimbrite–Y-5 (OH-DP-0169, 39.6 ± 0

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Pokharia, Anil K., Jeewan Singh Kharakwal, Shalini Sharma, et al. "Variable monsoons and human adaptations: Archaeological and palaeoenvironmental records during the last 1400 years in north-western India." Holocene 30, no. 9 (2020): 1332–44. http://dx.doi.org/10.1177/0959683620919976.

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We present the first systematic evaluation of the relationship between the archaeological and palaeoclimatic record from north-western India during the past millennium, from the urban site of Chandravati. The rarity of Medieval sites, systematic excavations and multi-disciplinary work in the subcontinent obscure the impact of two distinct climate anomalies − the ‘Medieval Warm Period’ (‘MWP’, 740 − 1150 CE), followed by the ‘Little Ice Age’ (‘LIA’, 1350 − 1850 CE). The finds from the archaeological site indicate the presence of winter and summer crops, suggesting the region was likely warm and

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Guimarães, José Tasso Felix, Tarcísio Magevski Rodrigues, Luiza Santos Reis, et al. "Modern pollen rain as a background for palaeoenvironmental studies in the Serra dos Carajás, southeastern Amazonia." Holocene 27, no. 8 (2017): 1055–66. http://dx.doi.org/10.1177/0959683616683260.

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Several alternative interpretations of the pollen records of lake sediments in the Amazonia may arise due to a lack of understanding of the modern environments, mainly related to pollen–vegetation relationship. Therefore, in this work, we studied the modern pollen rain in sediments of the Amendoim Lake, plateaus of the Serra Sul dos Carajás, southeastern Amazonia. This study indicates the predominance of pollen grains from forest formation (ombrophilous forests and capão florestal) over montane savanna in the lake sediments, despite the fact that montane savanna occupies ~90% of the drainage b

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LÖWEMARK, LUDVIG, HUI-LING LIN, and MICHAEL SARNTHEIN. "Temporal variations of the trace fossil Zoophycos in a 425 ka long sediment record from the South China Sea: implications for the ethology of the Zoophycos producer." Geological Magazine 143, no. 1 (2005): 105–14. http://dx.doi.org/10.1017/s0016756805001408.

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A 425 ka long record from piston core GIK17925-3 taken in the northeastern South China Sea was used to study the environmental conditions controlling the distribution of the Zoophycos trace fossil. The 12 m long core offers a unique opportunity to study the response of the Zoophycos-producing animal to environmental variations over four glacial–interglacial cycles. The trace fossils show a strong glacial to interglacial variation in their abundance with a special preference for intervals with low sedimentation rates. Additional X-ray radiograph studies of piston cores from the Southeast Asian

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Szymanek, Marcin, Krzysztof Bińka, and Jerzy Nitychoruk. "Stable18O and13C isotope records ofViviparus diluvianus(Kunth, 1865) shells from Holsteinian (MIS 11) lakes of eastern Poland as palaeoenvironmental and palaeoclimatic proxies." Boreas 45, no. 1 (2015): 109–21. http://dx.doi.org/10.1111/bor.12137.

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Adamson, Kathryn, Ian Candy, and Liz Whitfield. "Coupled micromorphological and stable isotope analysis of Quaternary calcrete development." Quaternary Research 84, no. 2 (2015): 272–86. http://dx.doi.org/10.1016/j.yqres.2015.05.002.

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Pedogenic calcretes are widespread in arid and semi-arid regions. Using calcrete profiles from four river terraces of the Rio Alias in southeast Spain, this study explores the potential of using detailed micromorphological and stable isotopic analysis to more fully understand the impacts of Quaternary environmental change on calcrete development. The four profiles increase in carbonate complexity with progressive age, reflecting calcretisation over multiple glacial–interglacial cycles since MIS 9 (c. 300 ka). Calcrete profiles contain a mixture of Alpha (non-biogenic) and Beta (biogenic) micro

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MACKENSEN, ANDREAS. "Changing Southern Ocean palaeocirculation and effects on global climate." Antarctic Science 16, no. 4 (2004): 369–86. http://dx.doi.org/10.1017/s0954102004002202.

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Southern Ocean palaeocirculation is clearly related to the formation of a continental ice sheet on Antarctica and the opening of gateways between Antarctica and the Australian and South American continents. Palaeoenvironmental proxy records from Southern Ocean sediment cores suggest ice growth on Antarctica beginning by at least 40 million years (Ma) ago, and the opening of Tasmania–Antarctic and Drake Passages to deep-water flow around 34 and 31 ± 2 Ma, respectively. So, the Eocene/Oligocene transition appears to mark the initiation of the Antarctic Circumpolar Current and thus the onset of t

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McCormack, Jeremy, Finn Viehberg, Derya Akdemir, Adrian Immenhauser, and Ola Kwiecien. "Ostracods as ecological and isotopic indicators of lake water salinity changes: the Lake Van example." Biogeosciences 16, no. 10 (2019): 2095–114. http://dx.doi.org/10.5194/bg-16-2095-2019.

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Abstract. Ostracods are common lacustrine calcitic microfossils. Their faunal assemblage and morphological characteristics are important ecological proxies, and their valves are archives of geochemical information related to palaeoclimatic and palaeohydrological changes. In an attempt to assess ostracod ecology (taxonomic diversity and valve morphology) combined with valve geochemistry (δ18O and δ13C) as palaeosalinity indicators, we analysed sedimentary material from the International Continental Scientific Drilling Program (ICDP) Ahlat Ridge site from a terminal and alkaline lake, Lake Van (

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Ackerley, Duncan, Jessica Reeves, Cameron Barr, et al. "Evaluation of PMIP2 and PMIP3 simulations of mid-Holocene climate in the Indo-Pacific, Australasian and Southern Ocean regions." Climate of the Past 13, no. 11 (2017): 1661–84. http://dx.doi.org/10.5194/cp-13-1661-2017.

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Abstract. This study uses the simplified patterns of temperature and effective precipitation approach from the Australian component of the international palaeoclimate synthesis effort (INTegration of Ice core, MArine and TErrestrial records – OZ-INTIMATE) to compare atmosphere–ocean general circulation model (AOGCM) simulations and proxy reconstructions. The approach is used in order to identify important properties (e.g. circulation and precipitation) of past climatic states from the models and proxies, which is a primary objective of the Southern Hemisphere Assessment of PalaeoEnvironment (S

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Deutz, P., I. P. Montañez, H. C. Monger, and J. Morrison. "Erratum to “Derivation of a palaeoenvironmental record from pedogenic carbonates in buried and relict Quaternary soils, Rio Grande Rift, New Mexico” [Palaeogeogr., Palaeoclimatol., Palaeoecol. 166 (2001) 293–317]." Palaeogeography, Palaeoclimatology, Palaeoecology 171, no. 1-2 (2001): 85–87. http://dx.doi.org/10.1016/s0031-0182(01)00260-7.

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Solotchina, E. P., A. A. Prokopenko, A. N. Vasilevsky, V. M. Gavshin, M. I. Kuzmin, and D. F. Williams. "Simulation of XRD patterns as an optimal technique for studying glacial and interglacial clay mineral associations in bottom sediments of Lake Baikal." Clay Minerals 37, no. 1 (2002): 105–19. http://dx.doi.org/10.1180/0009855023710021.

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AbstractA new method is proposed for modelling complex X-ray diffraction patterns effectively. The method is based on the calculation of the interference function of the onedimensional disordered crystals with finite thickness. First, we calculated the diffraction effects from structures of individual mineral phases with different layer defects modelled according to the Reynolds’ algorithm. To fit the theoretical to the observed XRD patterns more accurately, we then used a specially developed optimization procedure. This iterative procedure selects the optimal set of chemical and structural pa

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Vansteenberge, Stef, Niels J. de Winter, Matthias Sinnesael, et al. "Reconstructing seasonality through stable-isotope and trace-element analyses of the Proserpine stalagmite, Han-sur-Lesse cave, Belgium: indications for climate-driven changes during the last 400 years." Climate of the Past 16, no. 1 (2020): 141–60. http://dx.doi.org/10.5194/cp-16-141-2020.

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Abstract. Fast-growing speleothems allow for the reconstruction of palaeoclimate down to a seasonal scale. Additionally, annual lamination in some of these speleothems yields highly accurate age models for these palaeoclimate records, making these speleothems valuable archives for terrestrial climate. In this study, an annually laminated stalagmite from the Han-sur-Lesse cave (Belgium) is used to study the expression of the seasonal cycle in northwestern Europe during the Little Ice Age. More specifically, two historical 12-year-long growth periods (ca. 1593–1605 CE and 1635–1646 CE) and one m

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Bañuls-Cardona, Sandra, Patricia Martín Rodríguez, Juan Manuel López-García, Juan Ignacio Morales, Gloria Cuenca-Bescós, and Josep María Vergès. "Human impact on small-mammal diversity during the middle- to late-Holocene in Iberia: The case of El Mirador cave (Sierra de Atapuerca, Burgos, Spain)." Holocene 27, no. 8 (2017): 1067–77. http://dx.doi.org/10.1177/0959683616683257.

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The human impact on the environment in the Holocene has usually been characterized on the basis of palaeobotanical records, but attempts to distinguish the anthropogenic impact from natural events in landscape evolution have been the subject of much debate in recent years. The aim of this paper is to analyse small-mammal diversity and the presence of synanthropic species, whose small size makes them more sensitive to any changes in their environment that may occur. This study has allowed us to characterize palaeoclimatic and palaeoenvironmental changes, recording small changes whether resultin

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Rose, James. "Book Review: Quaternary geology of the Geneva Bay (Lake Geneva, Switzerland): sedimentary record, palaeoenvironmental and palaeoclimatic reconstruction since the last glacial cycle by Andrea Moscariello. Section des Sciences de la Terre, Universite de Geneve, Suisse, 1996. Terre and Environment, Vol. 4 (xii + 230 pp). FrS. 30. ISBN 2-940153-03-5." Journal of Quaternary Science 13, no. 1 (1998): 91. http://dx.doi.org/10.1002/(sici)1099-1417(199801/02)13:1<91::aid-jqs338>3.0.co;2-i.

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Knight, J., and J. M. Fitchett. "A proposed chronostratigraphic framework for the late Quaternary of southern Africa." South African Journal of Geology, July 23, 2021. http://dx.doi.org/10.25131/sajg.124.0030.

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Abstract The principles of chronostratigraphy can inform the process of correlation between different palaeoclimate records, enabling the coherence of spatial and temporal patterns of past climates and environments to be identified based on the physical, chemical, biological and isotopic properties of individual depositional units. This study presents a chronostratigraphic framework for the late Quaternary of southern Africa, based on the integration of palaeoclimatic and palaeoenvironmental proxy data from key records across the country from the start of Marine Isotope Stage 6 (~191 ka BP) to

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Fitchett, Jennifer M., Stefan W. Grab, Marion K. Bamford, and Anson W. Mackay. "A multi-disciplinary review of late Quaternary palaeoclimates and environments for Lesotho." South African Journal of Science Volume 112, Number 7/8 (2016). http://dx.doi.org/10.17159/sajs.2016/20160045.

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Abstract Lesotho provides a unique context for palaeoclimatic research. The small country is entirely landlocked by South Africa, yet has considerable variation in topography, climate, and associated vegetation over an approximate east–west transect. The region has been of archaeological interest for over a century, and hosts many Early to Late Stone Age sites with occupation preceding 80 000 years before present. The eastern Lesotho highlands are of interest to periglacial and glacial geomorphologists because of their well-preserved relict landforms and contentious evidence for permafrost and

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Stratford, D., K. Braun, and P. Morrissey. "Cave and rock shelter sediments of southern Africa: a review of the chronostratigraphic and palaeoenvironmental record from Marine Isotope Stage 6 to 1." South African Journal of Geology, August 22, 2021. http://dx.doi.org/10.25131/sajg.124.0052.

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Abstract Caves and rock shelters contribute important records to local, regional and sub-continental reconstructions of environment and climate change through the southern African Quaternary. Against a backdrop of pronounced climate change, the archaeological record of the Marine Isotope Stage 6 to 1 period in southern Africa documents a remarkable time in the behavioural and technological evolution of anatomically modern humans. Significant evidence of this evolution is represented in diverse components of the sedimentary record in caves and rock shelters in the region. We present a catalogue

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Sümegi, Pál, Tünde Lócskai, and Júlia Hupuczi. "Late Quaternary palaeoenvironment and palaeoclimate of the Lake Fehér (Fehér-tó) sequence at Kardoskút (South Hungary), based on preliminary mollusc records." Open Geosciences 3, no. 1 (2011). http://dx.doi.org/10.2478/s13533-011-0007-5.

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AbstractForty (22 freshwater gastropod, 14 gastropod, 4 bivalves) species and 3428 specimens of molluscs were collected and identified from a 6.3 m sequence, obtained from a core profile, of lake and fluvial sediments at Kardoskút, South Hungary. According to changes in the molluscan fauna, six malacological-palaeoecological zones can be identified in this profile. The Quaternary malacological data from the Lake Fehér core profile suggests that the Late Pleniglacial and Early Holocene development of the molluscan fauna, and local palaeoclimatic and palaeoenvironmental conditions in this area,

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