Skip to Content
Southern Cross GeoScience

Dr Annabelle Keene

Annabelle Keene

Education:
BSc (Hons) (Applied Physical Geography) (UNSW)

PhD (UNSW) 'Potassium availability in acid sulfate soils: characteristics of potassium exchange equilibria in tidal wetland and floodplain systems'

E: annabelle.keene@scu.edu.au

Research interests/background

  • Biogeochemical cycling in intertidal estuarine sediments
  • Pedogenic processes of alluvial floodplain and coastal lowland soils
  • Geomorphic controls on river channels and floodplains
  • Fluvial sedimentology and stratigraphy in river morphology and soil development
  • Chronology of alluvial floodplain sediments in the Quaternary
  • Role of vegetation, climate and land use in sediment geochemistry and channel change
  • Hydrological connectivity of stream and ground water for availability and quality of water resources
  • River and wetland management and rehabilitation for sustainable ecosystems

Research grants

  • 2010 AINSE Grant 'Controls on the reductive dissolution of natural jarosite in a tidally inundated acid sulfate soil wetland' (AINGRA10102), $14,535 (awarded as Chief Investigator)
  • 2008 AINSE Grant 'Chronology and pedogenesis of correlated river terrace sequences to define floodplain development' (AINGRA08131), $6,074 (awarded as Chief Investigator)
  • 2006 AINSE Grant 'Radiocarbon dating to determine the sedimentary depositional history of a confined, sand-bed stream' (AINGRA06092), $12,343 (awarded as Chief Investigator)
  • 2005 AINSE Grant 'Radiocarbon dating to determine the depositional history of a chain of ponds landscape' (AINGRA05087), $8,480 (awarded as Chief Investigator)
  • 2004 ARC Linkage-Project 'Restoring hydrological connectivity of surface and ground waters: Biogeochemical processes and environmental benefits for river landscapes' (LP0455080), $440,218 (awarded as Research Associate)
  • 2003 Natural Heritage Trust 'Natural Sequence Farming - Demonstration and Analysis Project - Stage 1' (NHT), $30,000 (awarded as Research Associate)
  • 2003 Acid Soil Action/Acid Sulfate Soil Program 'Reduction of acidity discharge from the Dulguigan ASS hot-spot' (ASS 01.15), $71,000 (awarded as Research Associate)

Publications

Journal articles

2013

Keene A.F., Johnston S.G., Bush R.T., Burton E.D., Sullivan L.A., Dundon M., McElnea A.E., Smith D., Ahern C.R., Powell B. (in press) Enrichment and heterogeneity of trace metals in redox interfacial coastal sediments. Chemical Geology, Corrected Proof, Accepted Manuscript. (2012 ERAID 1893 - FOR 0402)

2012

Erskine W., Keene A., Bush R., Cheetham M., Chalmers A. (2012) Influence of riparian vegetation on channel widening and subsequent contraction on the sand-bedded Widden Brook, Australia since European settlement. Geomorphology. Volume 147/148: 102-114. (2012 ERAID 1803 - FOR 0406)

Johnston S.G., Burton E.D., Keene A.F., Planer-Friedrich B., Voegelin A., Blackford M., Lumpkin G. (2012) Arsenic mobilisation and iron transformations during sulfidisation of As(V)-bearing jarosite. Chemical Geology 334, 9-24 (2012 ERAID 1893 - FOR 0402)

Johnston S.G., Keene A.F., Burton E.D., Bush R.T., Sullivan L.A. (2012) Quantifying alkalinity generating processes in a tidally remediating acidic wetland. Chemical Geology 304-305: 106-116 (2012 ERAID 1893 - FOR 0402)

2011

Burton, E. D., Bush, R. T., Johnston S.G., Sullivan L.A., Keene A.F. (2011) Sulfur biogeochemical cycling and novel Fe-S mineralisation pathways in a tidally re-flooded wetland. Geochimica et Cosmochimica Acta 75, 3434-3451 (ERA ranking A*).

Johnston S.G., Keene A.F., Bush R.T., Sullivan L.A., Wong V.N.L. (2011) Tidally driven water column hydro-geochemistry in a remediating acidic wetland. Journal of Hydrology 409, 128-139 (ERA ranking A*).

Johnston S.G., Keene A.F., Burton E.D., Bush R.T., Sullivan L.A. (2011) Iron and arsenic cycling in intertidal surface sediments during wetland remediation. Environmental Science and Technology 45 (6), 2179-2185 (ERA Ranking A*)

Johnston S.G., Keene A.F., Bush R.T., Burton E.D., Sullivan L.A., Isaacson L.S., McElnea A.E., Ahern C.R., Smith C.D., Powell B. (2011) Iron geochemical zonation in a tidally inundated acid sulfate soil wetland. Chemical Geology 280, 257-270. (ERA ranking A*)

Keene A.F., Johnston S.G., Bush R.T., Sullivan L.A., Burton E.D., McElnea A.E., Ahern C.R., Powell B. (2011) Effects of hyper-enriched reactive Fe on sulfidisation in a tidally inundated acid sulfate soil wetland. Biogeochemistry 103, 263-279(ERA ranking A).

2010

Burton E.D., Johnston S.G., Watling K., Bush R.T., Keene A.F., Sullivan L.A. (2010) Arsenic effects and behaviour in association with the Fe(II)-catalysed transformation of schwertmannite. Environmental Science and Technology, 44 (6), 2016-2021. (ERA ranking A*)

Cheetham M.D., Bush R.T., Keene A.F., Erskine W.D. (2010). Non-synchronous, episodic incision: Evidence of threshold exceedance and complex response as controls of terrace formation. Geomorphology, 123, 320-329. (ERA ranking A)

Cheetham M., Keene A., Bush R., Erskine W., Fitzsimmons K. (2010) Longitudinal Correlation of Late Quaternary Terrace Sequences of Widden Brook, South-Eastern Australia. Australian Journal of Earth Sciences, 57: 97-109. (ERA ranking B)

Cheetham M.D., Keene A.F., Erskine W.D., Bush R.T., Fitzsimmons K., Jacobsen J.E., Fallon S.J. (2010) Resolving the Holocene alluvial record in south-eastern Australia using luminescence and radiocarbon techniques. Journal of Quaternary Science, 25 (7), 1160-1168 (ERA ranking A)

Johnston S.G., Burton E.D., Bush R.T., Keene A.F., Sullivan L.A., Smith D., McElnea A.E., Ahern C.R., Powell B. (2010) Abundance and fractionation of Al, Fe and trace metals following tidal inundation of a tropical acid sulfate soil. Applied Geochemistry, 25, 323-335. (ERA ranking B)

Johnston S.G., Keene A.F., Burton E.D., Bush R.T., Sullivan L.A., McElnea A.E., Ahern C.R., Smith C.D., Powell B. (2010) Arsenic mobilisation in a seawater inundated acid sulfate soil. Environmental Science and Technology, 44 (6), 1968-1973. (ERA ranking A*)

Keene A.F., Johnston S.G., Bush R.T., Burton E.D., Sullivan L.A. (2010) Reactive trace element enrichment in a highly modified, tidally inundated acid sulfate soil wetland: East Trinity, Australia. Marine Pollution Bulletin, 60 (4), 620-626. (ERA ranking B)

2009

Johnston S.G., Burton E.D., Bush R.T., Keene A.F., Sullivan L.A., Isaacson L. (2009) Pore water sampling in acid sulfate soils: a new peeper method. Journal of Environmental Quality, 38, 2474-2477.

Erskine W.D., Chalmers A.C., Keene A.F., Cheetham M.D., Bush R.T. (2009) Role of a rheophyte in bench development on a sand-bed river in south-east Australia. Earth Surface Processes and Landforms 34, 941-953.

Johnston S.J., Keene A.F., Bush R.T., Burton E.D., Sullivan L.A., Smith D., McElnea A.E., Martens M.A., Wilbraham S. (2009) Contemporary pedogenesis of severely degraded tropical acid sulfate soils after introduction of regular tidal inundation. Geoderma 149, 335-346.

2008

Burton E.D., Sullivan L.A., Bush R.T., Johnston S.G., Keene A.F. (2008) A simple and inexpensive chromium-reducible sulfur method for acid sulfate soils. Applied Geochemistry 23, 2759-2766.

Cheetham M.D., Keene A.F., Sullivan L.A., Erksine W.D., Bush R.T. (2008) A comparison of grain-size analysis methods for sand-dominated fluvial sediments. Sedimentology 55, 1905-1913.

2007

Macdonald B.C.T., White I., Astrom M.E., Keene A.F., Melville M.D., Reynolds J.K. (2007) Discharge of weathering products from acid sulfate soils after a rainfall event, Tweed River, eastern Australia. Applied Geochemistry 22, 2695-2705.

2004

Macdonald B.C.T., Smith J., Keene A.F., Tunks M., Kinsela A., White I. (2004) Impacts of runoff from sulfuric soils on sediment chemistry in an estuarine lake. Science of the Total Environment 329, 115-130.

Conference proceedings

2012

Johnston S. G., Keene A. F., Burton E. D., Bush R. T., Sullivan L. A. (2012) Hydro-geochemical coupling in seawater inundated acid sulfate soils: mobilisation of arsenic and hysteresis in iron and sulfur cycling. In; "3rd National Conference on Acid Sulfate Soils". 6th-7th March 2012, Melbourne, Victoria.

Keene A.F., Johnston S.G., Burton E.D., Bush R.T., Sullivan L.A. (2012) Reductive biomineralisation of pedogenic jarosite in tidally inundated acid sulfate soils. In; "3rd National Conference on Acid Sulfate Soils". 6th-7th March 2012, Melbourne, Victoria.

2011

Johnston S. G., Keene A. F., Burton E. D., Bush R. T., Sullivan L. A. (2011) Hydrological controls on acid generation and export in floodplain wetlands. In: "Proceedings of the SL & NZFSS Congress 2011". 26th - 30th September 2011, Brisbane Convention and Exhibition Centre, Brisbane, Queensland.

Keene A.F., Johnston S.G., Burton E.D., Bush R.T. (2011) As, Fe and S cycling during reductive biomineralisation of pedogenic jarosite In: "Proceedings of the 21th Annual V.M. Goldschmidt Conference". 14-19 August 2011, Prague, Czech Republic (Geochemical Society, and European Society for Geochemistry).

2010

Ahern C., Smith D., McElnea A., Bush R., Johnston S., Wilbraham S., Van Heel S., Keene A., Powell B., and Malone B. (2010) A national demonstration site for acid sulfate soil remediation in the Australian tropics - an overview of the East Trinity environmental success story. In: "Proceedings of the 19th World Congress of Soil Science, Brisbane". 1-6 August, Brisbane, Australia.

Burton E.D., Bush R.T., Johnston S.G., Keene A.F., Sullivan L.A (2010) Sulfur biomineralisation across a spatio-temporal hydrogeochemical gradient in an acid sulfate soil wetland. In: "Proceedings of the 20th Annual V.M. Goldschmidt Conference". 13-18 June 2010, Knoxville, Tennessee (Geochemical Society, and European Society for Geochemistry).

Burton E.D., Bush R.T., Johnston S.G., Sullivan L.A., Keene A.F. (2010) Reductive sulfur biomineralisation in a re-flooded acid-sulfate soil landscape. In: "Proceedings of the 19th World Congress of Soil Science, Brisbane". 1-6 August, Brisbane, Australia.

Bush R.T., Sullivan L.A., Burton E.D., Johnston S.G., Keene A.F., Wong V., Mosely L. (2010) Climate change impacts on acid sulfate soil landscapes. In: "Proceedings of the 20th Annual V.M. Goldschmidt Conference". 13-18 June 2010, Knoxville, Tennessee (Geochemical Society, and European Society for Geochemistry).

Bush R., Sullivan L., Johnston S., Burton E., Wong V., Keene A. (2010) Climate change: a frontier for acid sulfate soil research. In '19th World Congress in Soil Science: 1st - 6th August.' Brisbane

Johnston S.G., Keene A.F., Bush R.T., Burton E.D., Sullivan L.A. (2010) Mobilisation of arsenic following sea-water inundation of acid sulfate soils. In: "Proceedings of the 19th World Congress of Soil Science, Brisbane". 1-6 August, Brisbane, Australia.

Johnston S.G., Keene A.F., Bush R.T., Burton E.D., Sullivan L.A. (2010) Remediating coastal acid sulfate soils by tidal inundation: geochemical hysteresis of iron. In: "Proceedings of the 19th World Congress of Soil Science, Brisbane". 1-6 August, Brisbane, Australia.

Johnston S.G., Keene A.F., Bush R.T., Burton E.D., Sullivan L.A. (2010) Seawater inundation of Fe-rich coastal lowlands - hydrogeochemical coupling and hysterisis at the tidal fringe. In: "Proceedings of the 20th Annual V.M. Goldschmidt Conference". 13-18 June 2010, Knoxville, Tennessee (Geochemical Society, and European Society for Geochemistry).

Johnston S.G., Keene A.F., Bush R.T., Burton E.D., Sullivan L.A. Wong V.N.L. (2010) Mobilisation of groundwater arsenic at the tidal fringe: hydro-geochemical coupling in seawater inundated coastal lowlands. In: "The challenges of sustainable management: National Groundwater Conference 2010" 31 October - 4 November 2010, National Convention Centre, Canberra.

Keene A.F., Johnston S.G., Bush R.T., Sullivan L.A., Burton E.D., (2010) Sulfidisation processes in a reactive Fe-enriched acid sulfate soil, north-eastern Australia. In: "Proceedings of the 19th World Congress of Soil Science, Brisbane". 1-6 August, Brisbane, Australia.

Keene A.F., Johnston S.G., Bush R.T., Sullivan L.A., Burton E.D., (2010) Reductive dissolution of natural jarosite in a tidally inundated acid sulfate soil: geochemical implications. In: "Proceedings of the 19th World Congress of Soil Science, Brisbane". 1-6 August, Brisbane, Australia.

Watling K.M., McElnea A., Ahern C., Burton E.D., Johnston S.G., Keene A.F., Bush R.T., Sullivan L.A. (2010) Effectiveness of lime particle size in the neutralisation of sulfidic acid sulfate soil materials. In: "Proceedings of the 19th World Congress of Soil Science, Brisbane". 1-6 August, Brisbane, Australia.

2009

Burton E.D., Johnston S.G., Bush R.T., Sullivan L.A., Keene A.K., Watling K. (2009) Iron-sulfur biomineralisation and arsenic mobility in acid-sulfate wetlands. In: 'Proceedings of the 19th Annual V.M. Goldschmidt Conference'. 21-26 June 2009, Davos Switzerland (Geochemical Society and European Association for Geochemistry).

Keene A.F., Erskine W.D., Chalmers A., Bush R.T., Cheetham M.D. (2009) Riparian revegetation and creation of a pool-riffle sequence by river restoration works on the sand-bedded Widden Brook, Australia. In: 'The 7th International Symposium on Ecohydraulics and the 8th International Conference on Hydroinformatics: Science and information technologies for sustainable management of aquatic ecosystems'. 12-16 January 2009, Concepción Chile. (IAHR-IWA-IAHS-IAMG).

2008

Keene A.F., Melville M.D., Macdonald B.C.T., Quirk R.G. (2008) Depletion of available potassium nutrient with changes in clay mineralogy during pedogenesis of ASS landscapes. In: "Proceedings of the Joint conference of the 6th International Acid Sulfate Soil conference and the Acid Rock Drainage Symposium". (Eds. C. Lin, S. Huang & Y. Li). 16-20 September 2008, Guangzhou China. (Guangdong Press Group). pp.84-88.

2007

Keene A.F., Bush R.T., Erskine W.D. (2007) Changes to the connectivity of stream and alluvial ground waters from restoration works in an incised sand bed stream. In: 'Proceedings of the 5th Australian Stream Management Conference, Australian rivers: making a difference'. (Eds. A.L. Wilson, R.L. Dehaan, R.J. Watts, K.J. Page, K.H. Bowmer & A. Curtis). 21-25 May 2007, Albury Australia. (Charles Sturt University). pp. 187-192.

2006

Chalmers A, Erskine W, Keene A, Bush R (2006) Role of stock-proof fencing in assisting regeneration of Casuarina cunninghamiana in the Hunter Valley, NSW. In: '9th International Riversymposium and Environmental Flows Conference'. 4-7 September 2006. (International Riverfoundation) p. 42.

2005

Keene A.F., Bush R.T., White I., Erskine W.D. (2005) A farmer's approach to stream and floodplain management using 'natural sequences'. In: 'Proceedings of the 4th Australian Stream Management Conference: linking rivers to landscapes'. (Eds. I.D. Rutherford, I. Wiszniewski, M.J. Askey-Doran & R. Glazik). 19-22 October 2004, Launceston Australia. (Department of Primary Industries, Water and Environment). pp. 333-339.

Keene A.F., Bush R.T., White I., Erskine W.D. (2005) Water quality and alluvial terraces in an upper catchment stream: Widden Brook, Hunter Valley NSW. In: 'Proceedings of the 4th Australian Stream Management Conference: linking rivers to landscapes'. (Eds. I.D. Rutherford, I. Wiszniewski, M.J. Askey-Doran & R. Glazik). 19-22 October 2004, Launceston Australia. (Department of Primary Industries, Water and Environment). pp. 340-343.

Reynolds J.K., Macdonald B.C.T., Keene A.F., Melville M.D. (2005) Modelling chemical discharge during flood events from sugarcane dominated, coastal lowland, acid sulfate soils. In: 'Proceedings of the Australian Society of Sugar Cane Technologists, Vol. 27'. (Ed. D.M. Hogarth). 3-6 May 2005, Bundaberg Australia. (Watson Ferguson & Co). pp. 227-236.

2003

Keene A.F., Macdonald B.C.T., Melville M.D., Quirk R.G. (2003) Using water quality and sediment characteristics to improve management of acid sulfate soils and drainage. In: 'Proceedings of the Australian Society of Sugar Cane Technologists, Vol. 25'. (Ed. D.M. Hogarth). 6-9 May 2003, Townsville Australia. (Watson Ferguson & Co). pp. 25.

2002

Keene A.F., Melville M.D., Macdonald B.C.T. (2002) Potassium availability in acid sulfate soil landscapes under sugarcane cultivation, eastern Australia. In: 'Proceedings of the 24th Conference of the Australian Society of Sugar Cane Technologists'. (Ed. D.M. Hogarth). 29 April-2 May 2002, Cairns Australia. (Watson Ferguson & Co). pp. 44.

Books

Cheetham M.D., Keene A.F., Bush R.T., Erskine W.D. (2008) Connecting the disconnected: longitudinally correlating river terrace remnants in the upper Hunter valley, Australia. In: Sediment dynamics in changing environments. (Eds. J. Schmidt, T. Cochrane, C. Phillips, S. Elliot, T. Davies & L. Basher). IAHS Publication 325. (IAHS Press). pp. 123-129.

Keene A.F., Bush R.T., Cheetham M.D., Chalmers A., Erskine W.D. (2008) Pool-riffle reformation and bed armouring induced by structures and riparian revegetation that sequester sand. In: Sediment dynamics in changing environments. (Eds. J. Schmidt, T. Cochrane, C. Phillips, S. Elliot, T. Davies & L. Basher). IAHS Publication 325. (IAHS Press). pp. 576-583.

Macdonald B.C.T., White I., Heath L., Smith J., Keene A.F., Tunks M., Kinsela A. (2006) Tracing the outputs from drained acid sulphate flood plains to minimize threats to coastal lakes. In: Environment and Livelihoods in Tropical Coastal Zones: Managing Agriculture-Fishery-Aquaculture Conflicts. (Eds. C.T. Hoanh, T.P. Tuong, J.W. Gowing & B Hardy). Chapter 8. (CAB International). pp. 99-106.

Keene A.F., Melville M.D. (1999) Role of nutrients in the delimitation of the grey mangrove, Avicennia marina, in estuarine sediments. In: Geodiversity: readings in Australian geography at the close of the 20th century. (Eds. J.A. Kesby, J.M. Stanley, R.F. McLean & L.J. Olive). Special Publication Series No. 6. (UNSW ADFA). pp. 45-53.

Other

Keene A.F. (2001) 'Potassium availability in acid sulfate soils: characteristics of potassium exchange equilibria in tidal wetland and floodplain systems'. PhD Thesis. University of New South Wales.

Bush R.T., Keene A.F., Erskine W.D., Sullivan L.A., White I., Bowman G., Cheetham M.D., Somerville P. (2010) ARC L-P0455080 Final Report to Industry Partners. Restoring hydrological connectivity of surface and ground waters: Biogeochemical processes and environmental benefits for river landscapes. April 2010. Southern Cross GeoScience, Southern Cross University. pp. 102.