David M. Price

University of Southampton

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Gerald C. Nanson

University of Melbourne

R. W. Young

IBM (Canada)

Edward Bryant

University College London

Colin V. Murray‐Wallace

University of Wollongong

Brian G. Jones

University of Wollongong

Allan R. Chivas

University of Wollongong

Sue X Wang

Brigham and Women's Hospital

N Terry Edgar

United States Geological Survey

Adriana Garcı́a

Centrus Diagnósticos por Imagem

Ewan Lawson

Royal United Services Institute

Cooperative Institutions

University of Wollongong

Australian National University

National Oceanography Centre

University of Southampton

Commonwealth Scientific and Industrial Research Organisation

Macquarie University

Australian Nuclear Science and Technology Organisation

University of Melbourne

University of Adelaide

University of Queensland

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Late Quaternary Alluviation Along Intermittent Streams in Kakadu National Park, Northern Territory

Australian Geographer (2000)

Garry D. Cook David M. Price Colin D. Woodroffe

Sedimentation along small, intermittent streams on Kapalga Research Station in Kakadu National Park may have responded to increased base levels following post-glacial flooding of the valleys of the Alligator Rivers. Alternatively, regional climate changes may have controlled sedimentation. Using thermoluminescence dating, we determined that sediments from two streams at Kapalga date from 21.5 ± 4.0 ka. On a third stream, sediments dated from 7.6 ± 1.1 ka, with younger sediments occurring downstream. We interpreted the pre-Holocene dates and the lack of evidence of upstream progradation to indicate that climate variation was more important to sedimentation than base levels. Predicted increases in rainfall variability and in the frequency of high-intensity rainfall under enhanced greenhouse conditions may cause renewed sediment mobilisation. At the outflow of one stream on to the South Alligator flood plain, we found 15 m of sandy alluvia underlying 3-5 m of estuarine muds deposited as a result of sea-level rise. These sandy alluvia dated from about 77 ka at 4 m to more than 300 ka at 19 m depth. These ages are consistent with those recorded on the Magela Creek system, 50 km to the east.

Progradation

Sedimentation

10.1080/713612248

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Citations (3)

Late Pleistocene to early Holocene aeolian activity in the upper and middle Shoalhaven catchment, New South Wales

Australian Geographer (1991)

Jonathan Nott David M. Price

SUMMARY Thermoluminescence dating of relict source‐bordering dunes in the middle and upper Shoalhaven catchment show them to have been active between 19ka and 6ka. During this time, except for a brief period of dune stability sometime between 18 ka and 14ka, the climate of this area was considerably drier than present. The onset of aeolian activity here coincides with the glacial maximum indicating that it was not until then that arid or semi‐arid conditions were able to penetrate the humid coastal rim of south‐east Australia. The extension of these conditions into the early Holocene, whilst supported by the palaeobotanical record of nearby Lake George, contrasts with pollen evidence from other nearby catchments, suggesting that there were variable environmental responses throughout the south‐east highlands of NSW to the amelioration in climate during the early Holocene.

10.1080/00049189108703044

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Citations (29)

Thermoluminescence dating of aceolianites from Lord Howe Island and South-West Western Australian

Quaternary Science Reviews (2001)

David M. Price Brendan Brooke Colin D. Woodroffe

Chronology

Deposition

Thermoluminescence dating

Chronostratigraphy

10.1016/s0277-3791(00)00039-1

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Citations (51)

A 40,000 year-old human occupation site at Huon Peninsula, Papua New Guinea

Nature (1986)

L. M. Groube John Chappell John Muke David M. Price

New guinea

Peninsula

10.1038/324453a0

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Citations (275)

COMPUTER-AIDED DESIGN AND VIDEO-DISC TECHNOLOGY IN LANDSCAPE DESIGN CLASSES

HortScience (1990)

Mary Haque Reginald Baumgardner David M. Price

Several forms of computer technology have been successfully integrated into classes at Clemson University using Mac II computers and MacDraft software. Beginning students are producing professional looking plans with consistent line quality and individual graphic style. Plant selection for designs has been augmented through plant images contained on two videodiscs; Woody Landscape Plants of the Temperate United States and Clemson University Video Encyclopedia of Herbaceous Ornamental. Access is accomplished via MacRAPID© CU, a Hypercard© stack that also provides a linkage to MacCAPS© Terisan. With these two programs, the user can quickly select and view, based on specific criteria, plants suitable for a given landscape.

HyperCard

Herbaceous plant

10.21273/hortsci.25.9.1181f

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Citations (1)

Thermoluminescence Dating of Alluvial Sequences in Coastal Valleys of Southern New South Wales: Problems and potential

Australian Geographer (2001)

Robert A.L. Wray David M. Price R. W. Young

Because of its potential for establishing chronologies far beyond the range of C14 thermoluminescence (TL) dating has made a significant contribution to the study of the Quaternary history of many Australian landscapes. But, as the reliability of the technique requires the removal by sunlight of any residual TL from quartz grains during transport, inadequate bleaching may yield ages for depositional events that are too old. Inadequate bleaching often can be detected by the shape of curves showing the ratio of natural TL vs laboratory-induced TL with increasing temperature. We use this technique here, together with C 14 dating and pedogenic evidence, to assess the reliability of TL determinations for alluvium in the valleys of the Clyde River and Termeil Creek. The Pleistocene TL ages from these valleys seem reliable, but Holocene dates do not. However, we demonstrate that, even where inadequate bleaching is demonstrable, TL analysis can still yield important insight to depositional processes.

Thermoluminescence dating

10.1080/00049180124209

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Citations (10)

Development, composition and age of indurated sand layers in the Late Quaternary coastal deposits of northern Moreton Bay, Queensland

Australian Journal of Earth Sciences (2008)

Brendan Brooke Micaela Preda R. Lee Malcolm Cox Jon Olley

Indurated sand in the Late Quaternary coastal plain succession of northern Moreton Bay was examined in sand-mine pits, drillcores and the eroded bank of an estuarine channel. Samples show that the cements usually coat grains and partially infill interstitial pores. Distinctive cement habits reflect different constituents that are dominantly kaolinite and amorphous organic-rich complexes. Trace-metal concentrations in the cements are lower than previously reported for soils and estuarine sediments in the study region. Optically stimulated luminescence and thermoluminescence ages of these deposits indicate that pedogenic induration occurs over long periods, up to approximately 90 000 years, with only incipient induration evident in deposits 16 000 – 2600 years old. However, the rate of induration is far higher in relatively coarse channel fill, in which mineral and amorphous organic-rich cements have precipitated from shallow groundwater that flowed laterally through the deposit. The degree of induration, therefore, is strongly influenced by the original depositional texture and morphology of deposits, with well-indurated gravely channel fill (76 700 ± 6500 y), at least 2 m thick, sitting adjacent to medium-grained sand probably of dune origin, which contains a 30 cm-thick induration horizon (98 000 ± 9900 y).

10.1080/08120090701689316

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Citations (18)

Under the radar: Contributions of the SUPPORT nurses

Nursing Outlook (2001)

Patricia A. Murphy David M. Price Marguerite Stevens Joanne Lynn Erica Kathryn

Emotional support

10.1067/mno.2001.115444

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Citations (24)

Holocene delta progradation into an epeiric sea in northeastern Australia

Marine Geology (2020)

Erin L. Porritt Brian G. Jones David M. Price Rafael C. Carvalho

Progradation

River delta

10.1016/j.margeo.2020.106114

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Citations (4)

Influence of benthic currents on cold-water coral habitats: a combined benthic monitoring and 3D photogrammetric investigation

Scientific Reports (2020)

Aaron Lim Andrew J. Wheeler David M. Price Luke O’Reilly Kimberley Harris

Abstract Strong currents are a key component of benthic habitats by supplying food and nutrients to filter-feeding organisms such as cold-water corals. Although field measurements show that cold-water coral habitats exist in areas of elevated bottom currents, flume studies show that cold-water corals feed more effectively at lower flow speeds. This research aims to explore this disconnect in situ by utilising high spatial resolution ROV photogrammetric data coupled with high temporal resolution in situ acoustic doppler current profile measurements at seven study sites within the upper Porcupine Bank Canyon (uPBC), NE Atlantic. Object-based image analysis of photogrammetric data show that coral habitats vary considerably within the upper canyon. Although there is a regional hydrodynamic trend across the uPBC, this variation is likely driven locally by topographic steering. Although live coral tends not to face directly into the prevailing current direction, preferring lower local flows speeds, they can tolerate exposure to high-flow speeds of up to 114 cm s −1 , the highest recorded in a Desmophyllum pertusum habitat. Not only do these high flow speeds supply food and nutrients, they may also help contribute to coral rubble production through physical erosion. These results can be incorporated into simulations of future deep-water habitat response to changing environmental conditions while extending the upper current speed threshold for cold-water corals.

Remotely operated vehicle

10.1038/s41598-020-76446-y

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Citations (44)