Web Access Research Portal

Researcher: van Ommen, TD (Dr Tas van Ommen)

Fields of Research

Climate change processes
Physical oceanography
Galactic astronomy
Physical geography and environmental geoscience
Atmospheric composition, chemistry and processes
Separation science
Natural hazards
Other earth sciences
Palaeontology (incl. palynology)
Applied statistics
Atmospheric aerosols
Ecological impacts of climate change and ecological adaptation
Marine geoscience
Surface water hydrology
Seismology and seismic exploration

Research Objectives

Expanding knowledge in the earth sciences
Effects of climate change on Antarctic and sub-Antarctic environments (excl. social impacts)
Climate variability (excl. social impacts)
Expanding knowledge in the environmental sciences
Understanding climate change
Antarctic and Southern Ocean oceanic processes
Effects of climate change on Australia (excl. social impacts)
Atmospheric processes and dynamics
Expanding knowledge in the physical sciences
Other environmental management
Management of Antarctic and Southern Ocean environments
Expanding knowledge in the chemical sciences
Oceanic processes (excl. in the Antarctic and Southern Ocean)
Expanding knowledge in the mathematical sciences
Social impacts of climate change and variability
Assessment and management of terrestrial ecosystems
Antarctic and Southern Ocean ice dynamics
Natural hazards
Terrestrial systems and management
Climate change models

Career Best Publications

Research Publications

2000 years of annual ice core data from Law Dome, East Antarctica; Earth System Science Data
10Be concentrations in snow at Law Dome, Antarctica following the 29 October 2003 and 20 January 2005 solar cosmic ray events; Advances in Geosciences
A 2000-year annual record of snow accumulation rates for Law Dome, East Antarctica; Climate of the Past
A 700-year record of atmospheric circulation developed from the Law Dome ice core, East Antarctica; Journal of Geophysical Research
A community-based geological reconstruction of Antarctic Ice Sheet deglaciation since the Last Glacial Maximum; Quaternary Science Reviews
A dynamic early East Antarctic Ice Sheet suggested by ice-covered fjord landscapes; Nature
A glaciochemical study of 120 m ice core from Mill Island, East Antarctica; Climate of the Past
A high resolution SOI proxy from the Law Dome ice core; International Union of Geodosy & Geophysics (IUGG) General Assembly
A Millennial Proxy Record of ENSO and Eastern Australian Rainfall from the Law Dome Ice Core, East Antarctica; Journal of Climate
A new direction for Antarctic ice cores: reconstructing Pacific decadal variability and Australian drought history from the Law Dome ice core; European Geophysical Union Conference 2015
A reconstruction of extratropical Indo-Pacific sea-level pressure patterns during the Medieval Climate Anomaly; Climate Dynamics
A tale of two proxies: Lake and ice cores unite for Antarctic paleoclimate analyses; 8th International Symposium on Paleolimnology
An independently dated 2000-yr volcanic record from Law Dome, East Antarctica, including a new perspective on the dating of the 1450s CE eruption of Kuwae, Vanuatu; Climate of the Past
Antarctic Climate Change and the Environment; Antarctic Science
Antarctic climate variability on regional and continental scales over the last 2000 years; Climate of the Past
Antarctic ice sheet discharge driven by atmosphere-ocean feedbacks at the Last Glacial Termination; Scientific Reports
Antarctic temperature changes during the last millennium: evaluation of simulations and reconstructions; Quaternary Science Reviews: International Multidisciplinary Review and Research Journal
Assessing Cosmogenic 10Be Production and Transport in the Atmosphere Using High Resolution Law Dome 10Be Snow Pit Records; 4th Annual Meeting, Asia Oceania Geosciences Society
Basal terraces beneath Totten Glacier, East Antarctica; International Glaciological Society: International Symposium on Interactions of Ice Sheets and Glaciers with the Ocean
Beryllium-10 transport to Antarctica: Results from seasonally resolved observations and modeling; Journal of Geophysical Research
Borehole temperatures reveal a changed energy budget at Mill Island, East Antarctica, over recent decades; The Cryosphere
Changes in black carbon deposition to Antarctica from two high-resolution ice core records, 1850-2000 AD; Atmospheric Chemistry and Physics
Characterizing black carbon in rain and ice cores using coupled tangential flow filtration and transmission electron microscopy; Atmospheric Measurement Techniques
Climate change: Antarctic response; Nature Geoscience
Climate modes reflected in seasonal sea salt deposition in the Law Dome ice core, East Antarctica; AMOS National Conference 2014
Comment on ‘Drought variability in the eastern Australia and New Zealand summer drought atlas (ANZDA, CE 1500–2012) modulated by the Interdecadal Pacific Oscillation’; Environmental Research Letters
Continental-scale temperature variability during the past two millennia; Nature Geoscience
Correction to 'Calibrating the ice core paleothermometer using seasonality' by Tas D. van Ommen and Vin Morgan; Journal of Geophysical Research
Correlation confidence limits for unevenly sampled data; Computers and Geosciences
Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet; Nature Geoscience
Discovery of a Subparsec Radio Counterjet in the Nucleus of Centaurus A; The Astrophysical Journal
Distribution of oxygen isotope ratios and snow accumulation rates in Wilhelm II Land, East Antarctica; Annals of Glaciology
Early Last Interglacial ocean warming drove substantial ice mass loss from Antarctica; Proceedings of the National Academy of Sciences of The United States of America
Estimate of sea salt sources to Antarctica: An alternative interpretation of the EPICA sea salt record?; European Geosciences Union (EGU) General Assembly 2008
Evidence for climate modulation of the 10Be solar activity proxy; Journal of Geophysical Research
Evidence of a hydrological connection between the ice divide and ice sheet margin in the Aurora Subglacial Basin, East Antarctica; Journal of Geophysical Research
Extending and understanding the South West Western Australian rainfall record using a snowfall reconstruction from Law Dome, East Antarctica; Climate of the Past
High-precision dating of volcanic events (A.D. 1301-1995) using ice cores from Law Dome, Antarctica; Journal of Geophysical Research
High-resolution boundary conditions of an old ice target near Dome C, Antarctica; Cryosphere
High-resolution palaeoclimatology of the last millennium: a review of current status and future prospects; The Holocene
High-resolution records of the beryllium-10 solar activity proxy in ice from Law Dome, East Antarctica: measurement, reproducibility and principal trends; Climate of the Past
High-resolution snow pit studies of the deposition of cosmogenic 10Be at Law Dome, Antarctica; 17th INQUA Congress
Ice core evidence for Antarctic sea ice decline since the 1950s; Science
Ice core proxy of Antarctic sea-ice extent; International Symposium on Sea Ice in a Changing Environment
Ice flow at DSS on Law Dome in relation to climate; Antarctica and Global Change: Interactions and Impacts
Ice-core evidence for a small solar-source of atmospheric nitrate; Geophysical Research Letters
Individual particle morphology, coatings, and impurities of black carbon aerosols in Antarctic ice and tropical rainfall; Geophysical Research Letters
Integral correlation for uneven and differently sampled data, and its application to the Law Dome Antarctic climate record; Scientific Reports
Inter-hemispheric temperature variability over the past millennium; Nature Climate Change
Intercomparison of firn core and meteorological data; Antarctic Science
Interdecadal Pacific variability and eastern Australian megadroughts over the last millennium; Geophysical Research Letters
Interstellar Broadening of Images in the Gravitational Lens PKS 1830-211; The Astrophysical Journal
Land-ice elevation changes from photon-counting swath altimetry: first applications over the Antarctic ice sheet; Journal of Glaciology
Large scale changes in 20th century black carbon deposition to Antarctica; Atmospheric Chemistry and Physics Discussions
Late Holocene climate trends from East Antarctic ice core and lacustrine sediment core records; Polar Regions and Quaternary Climate: Towards High Resolution Records of the last Climatic Cycle - the Antarctic Perspective
Late Pleistocene and early Holocene change in the Weddell Sea: a new climate record from the Patriot Hills, Ellsworth Mountains, West Antarctica; Journal of Quaternary Science
Late-Holocene East Antarctic climate trends from ice-core and lake-sediment proxies; The Holocene
Methanesulphonic acid loss during ice-core storage: recommendations based on a new diffusion coefficient; Journal of Glaciology
Morphological evidence and direct estimates of rapid melting beneath Totten Glacier Ice Shelf, East Antarctica; 19th EGU General Assembly (EGU2017)
New constraints on the structure and dynamics of the East Antarctic Ice Sheet from the joint IPY/Ice Bridge ICECAP aerogeophysical project; American Geophysical Union Fall Meeting
Ocean access to a cavity beneath Totten Glacier in East Antarctica; Nature Geoscience
Ocean forced variability of Totten Glacier mass loss; Geological Society Special Publication
Optimal site selection for a high-resolution ice core record in East Antarctica; Climate of the Past
Pacific decadal variability over the last 2000 years and implications for climatic risk; Communications Earth & Environment
Palaeoclimate: northern push for the bipolar see-saw; Nature
Paleoclimate data–model comparison and the role of climate forcings over the past 1500 years; Journal of Climate
Polarimetric observations of southern pulsars at 800 and 950 MHz; Monthly Notices of the Royal Astronomical Society
Position analysis: the Antarctic ice sheet and sea level
Proxy records of El Niño-Southern Oscillation and East Australian rainfall from the Law Dome ice core, East Antarctica; International Partnerships in Ice Core Sciences (IPICS)
Proxy Records of El Niño-Southern Oscillation and East Australian Rainfall from the Law Dome Ice Core, East Antarctica; International Polar Year 2012: From Knowledge to Action Conference
Reconciling unevenly sampled paleoclimate proxies: a Gaussian kernel correlation multiproxy reconstruction; Journal of Environmental Informatics
Refined broad-scale sub-glacial morphology of Aurora Subglacial Basin, East Antarctica derived by an ice-dynamics-based interpolation scheme; The Cryosphere
Relative Timing of Deglacial Climate Events in Antarctica and Greenland; Science
Repeated large-scale retreat and advance of Totten Glacier indicated by inland bed erosion; Nature
Retreat history of the East Antarctic Ice Sheet since the Last Glacial Maximum; Quaternary Science Reviews: International Multidisciplinary Review and Research Journal
Revised records of atmospheric trace gases CO2, CH4, N2O, and δ13C-CO2 over the last 2000 years from Law Dome, Antarctica; Earth System Science Data
Sea ice thickness measured
Seafloor shapes of the floating portion of Totten Glacier and Moscow University Ice Shelf, East Antarctica; FRISP
Seasonal characteristics of chemical impurities at Law Dome, Antarctica; Antarctica and Global Change: Interactions and Impacts
Seasonal characteristics of the major ions in the high-accumulation Dome Summit South ice core, Law Dome, Antarctica; Annals of Glaciology
Seasonality in late-Holocene climate from ice-core records; The Holocene
Site information and initial results from deep ice drilling on Law Dome, Antarctica; Journal of Glaciology
Snowfall increase in coastal East Antarctica linked with southwest Western Australian drought; Nature Geoscience
Solar and climate influences on ice core 10Be records from Antarctica and Greenland during the neutron monitor era; Earth and Planetary Science Letters
Southern Ocean carbon sink enhanced by sea-ice feedbacks at the Antarctic Cold Reversal; Nature Geoscience
State of the Antarctic and Southern Ocean climate system; Reviews of Geophysics
Sunlight-driven nitrate loss records Antarctic surface mass balance; Nature Communications
Temporal and spatial patterns of snow accumulation on Law Dome; Antarctica and Global Change: Interactio
The last deglaciation: timing the bipolar seesaw; Climate of the Past
The Law Dome MSA sea ice proxy record: analysis of modern satellite data and re-examination of archival satellite imagery; International Partnerships in Ice Core Sciences 2nd Open Science Conference 2016
Tightened constraints on the time-lag between Antarctic temperature and CO2 during the last deglaciation; Climate of the Past
To live within Earth's limits: An Australian plan to develop a science of the whole earth system
Trends and seasonal cycles in the isotopic composition of nitrous oxide since 1940; Nature Geoscience
Tropical and mid-latitude forcing of continental Antarctic temperatures; The Cryosphere
Twentieth-century surface temperature trends in the western Ross Sea, Antarctica: Evidence from a high-resolution ice core; Journal of Climate
Underwater robot produces first precise map of Antarctic sea ice depth
Unexpected changes to the global methane budget over the past 2000 years; Science
Variations in shear deformation rate with depth at Dome Summit South, Law Dome, East Antarctica; Annals of Glaciology
Where to find 1.5 million yr old ice for the IPICS “Oldest-Ice” ice core; Climate of the Past

Research Projects

Antarctic Climate and Ecosystems Cooperative Research Centre (ACE CRC); Department of Industry, Science, Energy and Resources (DISER)
ICECAP II; Department of Environment and Energy (Cwth) (DoEE)

Research Candidate Supervision

Antarctic climate variability during the Little Ice Age- Evidence from Antarctic ice cores.
Deuterium Excees and Climate- A Study of Water Isotope Signatures in Law Dome Ice Cores
Environmental signals from chemical measurements on law dome ice cores
Glaciochemical Study of Mill Island Ice Core Records
High Resolution Ice Core Records of Climate Variability and Forcing
Holocene Climate and Environmental Indicators from Trace Chemistry of Law Dome Ice Core, Antarctica
Investigation of Meteorological Events Preserved in High Resolution Snow Pit and Firn Core Records
On Long-Term Climate Studies Using a Coupled General Circulation Model