Browsing ELibrary by Subject "PALAEOCLIMATE"
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Browsing ELibrary by Subject "PALAEOCLIMATE"
Now showing items 1-20 of 20
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(2006)A 9.24 m long sediment record from the Kaidu River delta margin of Bosten Lake, northwestern China, provides evidence for changes in water balance of the lake during the past 8600 calendar years. Quantitative and qualitative ...
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(2006)On Bylot Island, a field of tundra polygons at the margin of a glacial outwash plain contains a well-preserved syngenetic permafrost sequence of ground ice and alternating loess and organic layers that was accumulated ...
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(2006)Diatom silica (frustules) are a form of biogenic opal and contain oxygen isotopes that are being increasingly used in palaeoclimate studies. Frustules are comprised of an inner tetrahedrally bonded silica skeleton (Si-O-Si) ...
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(2006)Simulated climate for the Antarctic continent using the GENESIS (Version 2.1) Global Climate Model with 34 Ma boundary conditions is shown to be highly sensitive to polar vegetation type. Six experiments were run using ...
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(2006)Detrital clay mineralogy is controlled by weathered source rock, climate, transport and deposition that in turn influence the spectral gamma-ray (SGR) response of resultant sediments. Whilst a palaeoclimate signal in clay ...
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(2006)A palaeohydrological reconstruction on decadal scale for the period 15000-2000 cal. yr BP based on calculated net accumulation rates for biogenic silica (F-bSiO2) and additional proxies (sedimentological data, geochemical ...
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(2006)Testate amoebae are valuable indicators of peatland hydrology and have been used in many palaeoclimatic studies in peatlands. Because the species' ecological optima may vary around the globe, the development of transfer ...
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FEELING THE COLD: ATMOSPHERIC CO2 ENRICHMENT AND THE FROST SENSITIVITY OF TERRESTRIAL PLANT FOLIAGE (2002)Quantitative palaeoclimate reconstructions from plant fossils using the nearest living relative (NLR) approach axiomatically assume that the climatic limits of plant distributions have largely remained unchanged over at ...
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(2006)Pollen and diatom analyses of organic sediments from Three-Quarter Mile Lake, a perched lake on Cape York Peninsula, north Queensland, indicate that significant changes in vegetation and hydrology occurred during the ...
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(2001)We measure the factors that determine growth rate (temperature, drip rate, calcium ion concentration) for 31 waters that feed stalagmites within six cave systems throughout Europe. Water samples were collected at a frequency ...
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(2006)Long-term chronologies of precipitation can provide a baseline against which twentieth-century trends in rainfall can be evaluated in terms of natural variability and anthropogenic influence. However, there are relatively ...
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(2006)Speleothems are primarily studied in order to generate archives of climatic change and results have led to significant advances in identifying and dating major shifts in the climate system. However, the climatological ...
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(2006)We present a detailed palaeoclimate analysis of the Middle Miocene (uppermost Badenian-lowermost Sarmatian) Schrotzburg locality in S Germany, based on the fossil macro- and micro-flora, using four different methods for ...
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(2006)It has been known for some time that viable palaeoclimatic information should be recorded in groundwater-fed riverine tufas, particularly barrage, paludal or spring-line deposits. Stable isotope variation in active ...
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(2006)Subfossil samples of Scots pine (Pinus sylvestris) and evidence of pine stomata and pollen accumulation rates from previously studied lakes located beyond the present pine forest line in Finnish Lapland were used to ...
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(2006)Oceanic stratification represents an effective mechanism to reduce vertical mixing of the water column, thereby locking up carbon dioxide (CO2) in the deep sea and preventing air-sea exchange of CO2. It has been proposed ...
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(2006)Based on microfacies analyses of seasonally laminated varved sediments from lake Holzmaar, Germany, we report evidence of decadal-to century-scale climate variability during the early Holocene. The shifts in climate are ...
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(2001)We present high resolution Sr/Ca measurements on coccolith-dominated pelagic carbonates of Berriasian-Valanginian, Albian-Santonian, and Campanian-Maastrichtian age from DSDP sites and Tethyan land sections. Carbonate Sr/Ca ...
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(1999)The prime causation of the mid-Late Devonian mass extinction near the Frasnian-Famennian (F-F) boundary remains uncertain. Nevertheless, geochemical evidence has been presented recently as decisive evidence of a giant ...
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(2006)The pollen record from paleo-swamp deposits spanning the last ca. 26,000 yr reveals a detailed history of vegetation and climate changes of the Jinju area, South Korea. From ca. 26.2 to 23.9 cal. kyr BP, xerophyticArtemi ...
Now showing items 1-20 of 20