ORCID as entered in ROS
https://orcid.org/0009-0001-6350-2839
Select Publications
Conference Presentations
, 2020, 'Urban Methane Surveys – A Case Study Where Isotope Measurements Guided Source Attribution', presented at EGU General Assembly 2020, Vienna, Austria (online in 2020), 04 May 2020 - 08 May 2020, http://dx.doi.org/10.5194/egusphere-egu2020-12475
, 2019, 'Characterisation of CH₄ Source Signatures in Melbourne, Australia', presented at Atmospheric Composition & Chemistry Observations & Modelling Conference incorporating the Cape Grim Annual Science Meeting 2019, Aspendale, Victoria, Australia, 19 November 2019 - 21 November 2019, https://wp.csiro.au/accomc_cgasm/
, 2019, 'A user’s guide for accurate N2O isotopocule measurements using laser spectroscopy', presented at What can we learn from N2O isotope data?, Empa, Dubendorf, Switzerland, 23 October 2019 - 24 October 2019
, 2019, 'Urban methane emissions: Identifying hot-spots and time-series analysis in cities', presented at Building an integrated understanding of emissions in cities, CSIRO Oceans & Atmosphere, Climate Science Centre, Aspendale, Victoria, Australia, 25 July 2019 - 25 July 2019
, 2018, 'Isotopes as tracers: the multi-tool that should be in every groundwater management toolkit', presented at Battling Climate Change and Water Crisis: Technology Nexus for the Resonance of Humans and Nature, University of Agriculture Faisalabad, Pakistan, 29 October 2018 - 29 October 2018
, 2017, 'Missing methanogens: new insights into the occurrence of methane in groundwater using microbiology', presented at Australian Groundwater Conference, 11 July 2017 - 13 July 2017, http://dx.doi.org/10.26190/unsworks/26369
, 2017, 'Biogeochemical constraints on the origin of methane in an alluvial aquifer: evidence for upwards methane migration', presented at European Geophysical Union, 23 April 2017 - 28 April 2017, http://dx.doi.org/10.26190/unsworks/26368
, 2016, 'Integrating hydrographic and hydrochemical data using a multivariate statistical approach: A case study in an Australian alluvial aquifer-aquitard system.', presented at 43rd IAH international congress - Groundwater and Society: 60 years of IAH, Montpellier, France, 25 September 2016 - 29 September 2016
, 2015, 'Assessing Connectivity between an aquifer and coal seam gas production using water geochemistry and methane isotopes.', presented at Australian Groundwater Conference, Canberra, 03 November 2015 - 05 November 2015
, 2015, 'Mapping karst features and recharge pathways using resistivity imaging: A case study Wellington Caves, NSW, Australia', presented at Australian Groundwater Conference, The Shine Dome, Canberra, 3-5 Nov 2015, Canberra, 03 November 2015 - 05 November 2015
, 2015, 'Proportioning Groundwater Hydrography Fluctuations to Rainfall Recharge and Quantifying Recharge Lag-Time Using Impulse Response Function Modelling', presented at Australian Groundwater Conference, The Shine Dome, Canberra, 3-5 Nov 2015, Canberra, 03 November 2015 - 05 November 2015
, 2015, 'Aquifer recovery during the transition from drought to a wet period: the mechanisms and pathways to recovery', presented at Australian Groundwater Conference, Canberra, Australia, 03 November 2015 - 05 November 2015
, 2015, 'Shallow groundwater recharge and residence in two separate flood plains along an aridity gradient in south Queensland, Australia.', presented at Australian Groundwater Conference, The Shine Dome, Canberra, 03 November 2015 - 05 November 2015
, (ed.), 2015, 'Quantifying the Potential Impact of Abandoned Exploration Wells on Groundwater', presented at Australian Cotton Scientists Research Conference, University of Southern QLD, Toowoomba, QLD, 08 September 2015 - 10 September 2015
, 2015, 'Detecting Hydraulic Connection between Freshwater Aquifers and Coal Seam Gas Production using the Isotopes of Carbon in Methane.', presented at Association of Australian Cotton Scientists, Toowoomba, 08 September 2015 - 10 September 2015
, 2015, 'Impulse Response Groundwater Model of the Western Border Rivers Catchment', presented at Australian Cotton Research Conference, 08 September 2015 - 10 September 2015
, 2015, 'Quantify the impact of leaky wells using AEM in the Condamine Catchment', presented at Australian Cotton Scientists Research Conference., University of Southern QLD, Toowoomba, QLD., 08 September 2015 - 10 September 2015
, 2015, 'The decline and rise of groundwater levels in the Maules Creek Catchment (Upper Namoi): Implications for groundwater resource management', presented at 2nd Australian Cotton Research Conference, Toowoomba QLD, 08 September 2015 - 10 September 2015
, 2015, 'CSG Impacts on Water in the Namoi and Condamine Catchments', presented at Cotton Collective industry forum, Narrabri, NSW, Australia, 05 August 2015 - 05 August 2015
, 2015, 'Detecting hydraulic connection between fresh water aquifers and coal seam gas production using the isotopes of carbon in methane.', presented at Australasian Environmental Isotope Conference, Sydney, Australia, 08 July 2015 - 10 July 2015
, 2015, 'Assessing the hydraulic connection between fresh water aquifers and unconventional gas production using methane and stable isotopes.', presented at European Geophysical Union General Assembly, Vienna, Austria, 13 April 2015 - 17 April 2015
, 2015, 'Fugitive methane emissions from natural, urban, agricultural, and energy-production landscapes of eastern Australia.', presented at EGU General Assembly 2015, 12 April 2015 - 17 April 2015, https://meetingorganizer.copernicus.org/EGU2015/EGU2015-5135.pdf
, 2014, 'Kinematic Reconstruction of the Hastings Block, Southern New England Orogen', presented at Sustainable Australia, Australian Earth Science Convention, Newcastle, Australia, 07 July 2014 - 10 July 2014, http://www.aesc2014.gsa.org.au/assets/Various-reg-partner-opp-workshop-summ-/AESC-Abstract-Proceedings.pdf
, 2014, 'The Complexities of Continuous Air Monitoring in Attributing Methane to Sources of Production', presented at Australian Earth Science Convention 2014, Newcastle, Australia, 07 July 2014 - 10 July 2014, http://www.aesc2014.gsa.org.au/assets/Various-reg-partner-opp-workshop-summ-/AESC-Abstract-Proceedings.pdf
, 2014, 'Kinematic reconstruction of the Hastings Block, Southern New England Orogen', presented at Biennial Conference of the Specialist Group for Tectonics and Structural Geology, Thredbo, 02 February 2014 - 08 February 2014
, 2013, 'A multifractal analysis of laminated stalagmites.', presented at Solving the Groundwater Challenges of the 21st Century. International Association of Hydrogeologists, 40th International Congress., Perth, 15 September 2013 - 20 September 2013
, 2013, 'A comparison of two multiple-point statistics approaches for characterisation of the Cressbrook Creek alluvial aquifer, Queensland, Australia', presented at Aquifer heterogeneity can have a profound effect on hydrogeological flow systems, but many three dimensional (3D) geological models ignore heterogeneity in favour of more simplistic representations. Multiple-point statistics is a stochastic modelling technique that addresses this issue by generating more realistic representations of aquifer heterogeneity compared to existing methods. It requires a statistical model of the heterogeneity (a training image) with the same dimensionality as the target domain, which is rarely available in 3D. In this study we assess and compare two approaches that allow circumventing the lack of 3D training images. In the first approach the 3D training images are simulated using a process-based technique. The other approach relies on simple bi-dimensional (2D) sketches, transformed in orientation and shape in order to obtain 3D simulations. The techniques are used to characterise the complex internal stratigraphy of the Cressbrook Creek alluvial aquifer system in southeast Queensland, Australia. Cressbrook Creek flooded in January 2011, and the 3D models generated here will be used to examine groundwater recharge processes during this flood. Particular emphasis is given to the effects of aquifer heterogeneity and its impact on surface water and groundwater connectivity. The 3D models are created using the information coming from 146 lithological logs, which were simplified into three facies codes based on grain size. Both techniques produce realistic representations of the aquifer. In each case, a preliminary calibration of the model parameters is required to fit the statistical properties of the dataset. However, the calibration procedures are significantly different. The process-based technique requires a forward geological structure simulator to generate the sedimentary environment; if this tool is available, then the main task is to set up its parameters. The approach based on 2D training images is more flexible because it does not require a process-based tool, however the set up requirements can be more complex because both the 2D sketches and the parameters used for the transformations must be assessed., Perth, Australia, 15 September 2013 - 20 September 2013
, 2012, 'Investigations of surface water groundwater interactions in a water stressed semi-arid cattchment', presented at Groundwater - Surface water Interactions Workshop, Canberra, ATC Australia, 27 March 2012 - 28 March 2012
, 2009, 'Hydrologic Investigation of River Aquifer Interactions in the Namoi River', presented at Cotton Catchment Communities CRC, 2009 Maules Creek Groundwater Forum, Maules Creek, NSW, 20 November 2009
, 2008, 'The Use of Field Data for Development of Conceptual Models', presented at 1st SW-GW Interactions Workshop: Introduction to Modelling Approaches, Centre for Groundwater Studies Workshop, Sydney, 01 September 2008 - 03 September 2008
, 2008, 'Defining Traps and Hydraulic Properties in Faulted and Folded Domains with 3D Geological Models', presented at CO2CRC, University of Adelaide, 19 August 2008
, 2008, 'Monitoring Bore Water Quality for Maintaining and Improving Crop Yield and Soil Structure', presented at 14th Australian Cotton Conference “Hand-On-Research: Groundwater management”, Gold Coast, Australia, 14 August 2008
, 2006, 'Groundwater Knowledge and Gaps, Condamine Alliance Management Region', presented at Condamine Alliance Partner Show and Tell, Toowoomba, Queenland, 14 December 2006
, 2006, 'Groundwater Flow Modelling Introduction', presented at 1st Getting to Know Groundwater and Surface Water, University of Canterbury, Christchurch, New Zealand, 15 November 2006
, 2006, 'Resistivity Imaging of Deep Drainage Under Irrigated Cotton', presented at Trends in Environmental Research Seminar series, University of Technology, Sydney, 18 October 2006
, 2006, 'Cox’s Creek – Integrated Surface-Groundwater Modelling', presented at Cotton Catchment Communities CRC Science Day, Gold Coast Convention and Exhibition Centre, Broadbeach QLD, 07 August 2006
, 2006, 'Groundwater Scoping Studies NSW and QLD', presented at Cotton Catchment Communities CRC Science Day, Gold Coast Convention and Exhibition Centre, Broadbeach QLD, 07 August 2006
Conference Abstracts
, 2919, 'Fertilisers rule REYs: agricultural catchments of Eastern Australia', in Goldschmidt Barcelona 2019, Barcelona, Spain, presented at GOLDSCHMIDT2019, Barcelona, Spain, 18 August 2919 - 23 August 2019, https://whiteiron.org/uploads/conferences/29/abstracts/originalPDFs/2019002546-20190327015545.pdf
, 2019, 'A comparison of commercially-available quantum cascade laser spectrometers to measure N2O isotopocules (δ15Nα, δ15Nβ & δ18O) at ambient concentrations', in NCGG8, Amsterdam, The Netherlands, presented at 8th International Symposium on Non-CO2 Greenhouse Gases, Amsterdam, The Netherlands, 12 June 2019 - 14 June 2019
, 2019, 'Direct Measurement of Coal Seam Gas and Agricultural Methane Emissions in the Surat Basin, Australia', in Geophysical Research Abstracts, Vienna, Austria, presented at EGU General Assembly 2019, Vienna, Austria, 07 April 2019 - 12 April 2019, https://meetingorganizer.copernicus.org/EGU2019/EGU2019-11605.pdf
, 2019, 'In Plume Miller-Tans Time Series Analyses for Improved Isotopic Source Signature Characterisation', in Geophysical Research Abstracts, Vienna, Austria, presented at EGU General Assembly 2019, Vienna, Austria, 07 April 2019 - 12 April 2019, https://meetingorganizer.copernicus.org/EGU2019/EGU2019-11559-1.pdf
, 2019, 'Nitrogen cycling dynamics in a humid subtropical climate: insights from the Nogoa River sub-catchment, central Queensland, Australia', in Geophysical Research Abstracts, Vienna, Austria, presented at EGU General Assembly 2019, Vienna, Austria, 07 April 2019 - 12 April 2019
, 2019, 'Using multiple tracers to identify sources of atmospheric methane during baseline surveying prior to unconventional gas recovery', in Geophysical Research Abstracts Vol. 21, EGU2019-14139, 2019, presented at EGU General Assembly 2019, 07 April 2019 - 12 April 2019
, 2018, 'Analysing mobile methane survey data using a hidden Markov model to delineate leak frequency in Sydney, Australia', in Atmospheric Composition and Chemistry Observations & Modelling Conference incorporating the Cape Grim Annual Science Meeting 2018 Abstracts, Aspendale, Victoria, presented at Atmospheric Composition and Chemistry Observations & Modelling Conference incorporating the Cape Grim Annual Science Meeting 2018, Aspendale, Victoria, 04 December 2018 - 06 December 2018, https://wp.csiro.au/accomc_cgasm/
, 2018, 'Comparison of N2O isotope spectrometers for high-precision measurements in ambient air and incubation experiments', in Arbeitsgemeinschaft Stabile Isotope - ASI 2018, Munich, Germany, presented at Arbeitsgemeinschaft Stabile Isotope - ASI 2018, Munich, Germany
, 2018, 'Continuous Tracking of Air Parcel Mixing Using Discrete Wavelet Transformation of Urban Ground Level Atmospheric Methane Measurements.', in Geophysical Research Abstracts Vol. 20, EGU2018-6265-1, 2018, Vienna, Austria, presented at EGU General Assembly 2018, Vienna, Austria, 08 April 2018 - 13 April 2018, https://meetingorganizer.copernicus.org/EGU2018/EGU2018-6265.pdf
, 2018, 'Occurrence and controls on N2O accumulation in the lower Namoi alluvial aquifer, Australia', in Geophysical Research Abstracts Vol. 20, EGU2018-10576, 2018, presented at EGU General Assembly 2018, 08 April 2018 - 13 April 2018, https://meetingorganizer.copernicus.org/EGU2018/EGU2018-10576.pdf
, 2018, 'The use of the hydrogeochemistry and multivariate statistical methods as a tool for groundwater management. Condamine River Alluvial Aquifer (CRAA), Australia.', in Geophysical Research Abstracts Vol. 20, EGU2018-5018, 2018, presented at EGU General Assembly 2018, 08 April 2018 - 13 April 2018
, 2018, 'Urban Methane Emissions – Advantages of Measuring Between Sunset and Sunrise for Isotopic Source Identification', in Geophysical Research Abstracts Vol. 20, EGU2018-5762-1, 2018, presented at EGU General Assembly 2018, https://meetingorganizer.copernicus.org/EGU2018/EGU2018-5762-1.pdf
, 2017, 'Accumulative evidence highlighting that the Narrabri and Gunnedah formations are mythical', in Australasian Groundwater Conference 2017, presented at Australasian Groundwater Conference 2017, 11 July 2017 - 13 July 2017, http://agc-2017.p.agc2017.currinda.com/days/2017-07-12/abstract/249
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https://orcid.org/0009-0001-6350-2839