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RECONSTRUCTION OF HOLOCENE MONSOON HISTORY FROM THE PEARL RIVER ESTUARY, SOUTHERN CHINA, USING DIATOMS AND CARBON ISOTOPE RATIOS

Zong Y.; Lloyd J.M.; Leng M.J.; Yim W.W.S.; Huang G. (2006)

This study employs a multiproxy approach in the reconstruction of Holocene monsoon history from sedimentary sequences obtained from the Pearl River Estuary, southern China. A set of modern surface sediment samples were ...

A HIGH MOUNTAIN POLLEN-ALTITUDE CALIBRATION SET FOR PALAEOCLIMATIC USE IN THE TROPICAL ANDES

Rull V. (2006)

The numerical relationship between modem pollen assemblages and altitude in high mountain environments from the northern Andes is analysed, in order to found inference models that allow estimating palaeoaltitudes and ...

VARIABILITY IN NORTH ATLANTIC MARINE RADIOCARBON RESERVOIR EFFECTS AT C. AD 1000

Ascough P.L.; Cook G.T.; Church M.J.; Dugmore A.J.; Arge S.V.; McGovern T.H. (2006)

14C age measurements made on samples from three archaeological sites located on North Atlantic coasts were used to investigate the marine reservoir effect (MRE) at c. AD 1000. This is an important period within human ...

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?

Kerschner H.; Hertl A.; Gross G.; Ivy-Ochs S.; Kubik P.W. (2006)

10Be dating of a pronounced glacier advance (‘Kromer Stadial’) in the western part of the Silvretta Mountains (western Austria) yielded ages ranging from 8010±360 to 8690±410 years with a mean age for moraine stabilization ...

TERRESTRIAL MOLLUSC SUCCESSION AND STRATIGRAPHY OF A HOLOCENE CALCAREOUS TUFA DEPOSIT FROM THE FYLEDALEN VALLEY, SOUTHERN SWEDEN

Gedda B. (2006)

A Holocene calcareous tufa deposit in the Fyledalen Valley in southern Sweden was investigated with respect to molluscs, pollen, plant macrofossils and Coleoptera remains. The investigation recovered four mollusc species ...

A MILLENNIAL-SCALE RECONSTRUCTION OF SPRUCE BUDWORM ABUNDANCE IN SAGUENAY, QUEEBEC, CANADA

Simard I.; Morin H.; Lavoie C. (2006)

A high-resolution macrofossil analysis was conducted to reconstruct spruce budworm abundance in an 8600-year-old mire in Saguenay, QuEbec, Canada. Abundant spruce budworm (Choristoneura fumiferana [Clem.]) faeces recovered ...

ENVIRONMENTAL HISTORY OF THE DRY FOREST BIOME OF GUERRERO, MEXICO, AND HUMAN IMPACT DURING THE LAST C. 2700 YEARS

Berrio Ju.C.; Hooghiemstra H.; van Geel B.; Ludlow-Wiechers B. (2006)

Two lake sediment cores from Madre del Sur mountain range,Guerrero State, west-central Mexico were studied to examine the pastdynamics of the dry forest biome. Pollen, spores of coprophilousfungi, cyanobacteria and ...

ELASTIC BEHAVIOUR AND STRUCTURAL EVOLUTION OF TOPAZ AT HIGH PRESSURE

Gatta G.D.; Nestola F.; Ballaran T.B. (2006)

The elastic behaviour and the high-pressure structural evolution of a natural topaz, Al2.00Si1.05O4.00(OH0.26F1.75), have been investigated by means of in situ single-crystal X-ray diffraction up to 10.55(5) GPa. No phase ...

MODERN POLLEN ASSEMBLAGES FROM GRAZEDVEGETATION IN THE WESTERN PYRENEES, FRANCE: A NUMERICAL TOOL FOR MORE PRECISE RECONSTRUCTION OF PAST CULTURAL LANDSCAPES

Mazier F.; Galop D.; Brun C.; Buttler A. (2006)

Modern pollen assemblages from grazed vegetation in the Pyrenees Mountains (France) were studied with the aim of providing a calibrated model for reconstructing past pastoral activities. The modem analogues were selected ...

FOREST DYNAMICS IN THE PFYN FOREST IN RECENT CENTURIES (VALAIS, SWITZERLAND, CENTRAL ALPS): INTERACTION OF PINE (PINUS SYLVESTRIS) AND OAK (QUERCUS SP.) UNDER CHANGING LAND USE AND FIRE FREQUENCY

Bendel M.; Tinner W.; Ammann B. (2006)

Pinus sylvestris is co-dominant in many areas of eastern and northern Europe. In Switzerland, the Pfyn forest is considered to be the largest natural forest of Pinus sylvestris. Its development under changing land use ...

INTERPRETATION OF RADIOCARBON DATES FROM THE UPPER SURFACE OF LATE-HOLOCENE PEAT LAYERS IN COASTAL LOWLANDS

Waller M.P.; Long A.J.; Schofield J.E. (2006)

Marine/brackish clastic sediments replace freshwater peats in the stratigraphic column of many coastal lowland areas bordering the North Sea during the late Holocene. Radiocarbon dates are routinely used to provide a ...

HOLOCENE DUNE ACTIVITY AND ENVIRONMENTAL CHANGE IN THE PRAIRIE PARKI AND AND BOREAL FOREST, CENTRAL SASKATCHEWAN, CANADA

Wolfe S.A.; Ollerhead J.; Huntley D.J.; Lian O.B. (2006)

Past aeolian activity was reconstructed at four dunefields in the prairie parkland and boreal forest of central Saskatchewan to elucidate landscape response to environmental change. Optical ages from stabilized dunes in ...

CLIMATIC RECONSTRUCTIONS FOR THE NORTHEAST ATLANTIC REGION AD 1685-1700: A NEW SOURCE OF EVIDENCE FROM NAVAL LOGBOOKS

Wheeler D.; Suarez-Dominguez J. (2006)

This paper draws on a newly developed source of data in the form of ships’ logbooks to cast a detailed light on the weather and climate of a critical period in recent climatic history: the decades of the 1680s and 1690s, ...

PREHISTORIC MARITIME MIGRATION IN THE PACIFIC ISLANDS: AN HYPOTHESIS OF ENSO FORCING

Anderson A.; Chappell J.; Gagan M.; Grove R. (2006)

Long-distance human migration across the Pacific Ocean occurred during the late Holocene and originated almost entirely in the west. As prevailing tradewinds blow from the east, the mechanisms of prehistoric seafaring have ...

A SIMPLE METHOD FOR ANALYSIS OF POINT ANCHORED ROCKBOLTS IN CIRCULAR TUNNELS IN ELASTIC GROUND

Bobet A. (2006)

A simple analytical method for the analysis of point anchored rockbolts is presented in this paper. The solution has been derived for elastic ground and rockbolts, for plane strain conditions, and for tunnels with circular ...

PRESSURE EFFECT ON THE ELECTRONIC STRUCTURE OF IRON IN (MG,FE)(SI,AL)O3 PEROVSKITE: A COMBINED SYNCHROTRON MöSSBAUER AND X-RAY EMISSION SPECTROSCOPY STUDY UP TO 100 GPA

Li J.; Sturhahn W.; Jackson J.M.; Struzhkin V.V.; Lin J.F.; Zhao J.; Mao H.K.; Shen G. (2006)

We investigated the valence state and spin state of iron in an Al-bearing ferromagnesian silicate perovskite sample with the composition (Mg0.88Fe0.09)(Si0.94Al0.10)O3 between 1 bar and 100 GPa and at 300 K, using diamond ...

HYDROMECHANICAL BEHAVIOUR OF FONTAINEBLEAU SANDSTONE

Sulem J.; Ouffroukh H. (2006)

The hydromechanical behaviour of Fontainebleau sandstone is studied on the basis of isotropic and triaxial compression tests in drained and undrained conditions on water saturated samples. The effect of the evolution of ...

THE ELASTIC CONSTANTS OF MONOCLINIC SINGLE-CRYSTAL CHROME-DIOPSIDE TO 1,300 K

Isaak D.G.; Ohno I.; Lee P.C. (2006)

Values of the complete adiabatic elastic tensor for single-crystal chrome-diopside (a monoclinic pyroxene mineral) are presented from 298 to 1,300 K. The data were obtained using resonant ultrasound spectroscopy (RUS). ...

PREDICTING UNIAXIAL COMPRESSIVE STRENGTH BY POINT LOAD TEST: SIGNIFICANCE OF CONE PENETRATION

Basu A.; Aydin A. (2006)

DECARBONATION REACTION OF MAGNESITE IN SUBDUCTING SLABS AT THE LOWER MANTLE

Takafuji N.; Fujino K.; Nagai T.; Seto Y.; Hamane D. (2006)

High-pressure and temperature experiments (28–62 GPa, and 1,490–2,000 K, corresponding to approximately 770–1,500 km depth in the mantle) have been conducted on a MgCO3 + SiO2 mixture using a laser-heated diamond anvil ...

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