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Coupling of arsenic mobility to sulfur transformations during microbial sulfate reduction in the presence and absence of humic acid (with Edward D. Burton and Britta Planer-Friedrich), Chemical Geology (2013)
Microbial sulfate reduction is an important terminal electron accepting process in arsenic-contaminated subsurface environments. Humic...
Seawater-induced mobilization of trace metals from mackinawite-rich estuarine sediments (with Vanessa NL Wong, Edward D. Burton, Richard T. Bush, Leigh A. Sullivan, and Peter G. Slavich), Water Research (2013)
Benthic sediments in coastal acid sulfate soil (CASS) drains can contain high concentrations (∼1–5%)...
Sulfate availability drives divergent evolution of arsenic speciation during microbially mediated reductive transformation of schwertmannite (with Edward D. Burton, Peter Kraal, Richard T. Bush, and Salirian Claff), Environmental Science & Technology (2013)
The effect of SO42– availability on the microbially mediated reductive transformation of As(V)-coprecipitated schwertmannite (Fe8O8(OH)3.2(SO4)2.4(AsO4)0.004)...
Arsenic mobilization and iron transformations during sulfidization of As(V)-bearing jarosite (with Edward D. Burton, Annabelle F. Keene, Britta Planer-Friedrich, Andreas Voegelin, Mark G. Blackford, and Greg R. Lumpkin), Chemical Geology (2012)
Jarosite (KFe3(SO4) 2(OH)6) is an important host-phase for As in acid mine drainage (AMD) environments...
Arsenic mobilization during seawater inundation of acid sulfate soils - hydro-geochemical coupling at the tidal fringe (with Edward D. Burton, Annabelle F. Keene, Richard T. Bush, and Leigh A. Sullivan), Understanding the geological-medical interface of arsenic: 4th International Congress on Arsenic in the Environment (2012)
Hydro-geochemical coupling in seawater inundation acid sulfate soils: mobilisation of arsenic and hysteresis in iron and sulfur cycling (with Annabelle F. Keene, Edward D. Burton, Richard T. Bush, and Leigh A. Sullivan), 3rd National Conference on Acid Sulfate Soils (2012)
A large-scale field trial indicates that tidal seawater inundation of coastal acid sulfate soils (CASS)...
Impact of silica on the reductive transformation of schwertmannite and the mobilization of arsenic (with Edward D. Burton), Geochimica et Cosmochimica Acta (2012)
Schwertmannite is an important Fe(III) mineral in acid–sulfate soil and acid–mine drainage environments because it...
Quantifying alkalinity generating processes in a tidally remediating acidic wetland (with Annabelle F. Keene, Edward D. Burton, Richard T. Bush, and Leigh A. Sullivan), Chemical Geology (2012)
Lime-assisted tidal exchange (LATE) is a new remediation technique that is demonstrably effective at decreasing...
Effects of hyper-enriched reactive Fe on sulfidisation in a tidally inundated acid sulfate soil wetland (with Annabelle F. Keene, Richard T. Bush, Leigh A. Sullivan, Edward D. Burton, Angus E. McElnea, Colin R. Ahern, and Bernard Powell), Biogeochemistry (2011)
Solid phase Fe and S fractions were examined in an acid sulfate soil (ASS) wetland...
Iron and arsenic cycling in intertidal surface sediments during wetland remediation (with Annabelle F. Keene, Edward D. Burton, Richard T. Bush, and Leigh A. Sullivan), Environmental Science and Technology (2011)
The accumulation and behavior of arsenic at the redox interface of Fe-rich sediments is strongly...
Iron geochemical zonation in a tidally inundated acid sulfate soil wetland (with Annabelle F. Keene, Richard T. Bush, Edward D. Burton, Leigh A. Sullivan, Lloyd S. Isaacson, Angus E. McElnea, Col R. Ahern, C Douglas Smith, and Bernard Powell), Chemical Geology (2011)
Tidal inundation is a new technique for remediating coastal acid sulfate soils (CASS). Here, we...
Microbial sulfidogenesis in ferrihydrite-rich environments: effects on iron mineralogy and arsenic mobility (with Edward D. Burton and Richard T. Bush), Geochimica et Cosmochimica Acta (2011)
Microbial sulfidogenesis plays a potentially important role in Fe and As biogeochemistry within wetland soils,...
Sulfur biogeochemical cycling and novel Fe-S mineralization pathways in a tidally re-flooded wetland (with Edward D. Burton, Richard T. Bush, Leigh A. Sullivan, and Annabelle F. Keene), Geochimica et Cosmochimica Acta (2011)
Sulfur biogeochemical cycling and associated Fe–S mineralization processes exert a major influence over acidity dynamics,...
Tidally driven water column hydro-geochemistry in a remediating acidic wetland (with Annabelle F. Keene, Richard T. Bush, Leigh A. Sullivan, and Vanessa NL Wong), Journal of Hydrology (2011)
Managed tidal inundation is a newly evolved technique for remediating coastal acid sulphate soil (CASS)...
Abundance and fractionation of Al, Fe and trace metals following tidal inundation of a tropical acid sulfate soil (with Edward D. Burton, Richard T. Bush, Annabelle F. Keene, Leigh A. Sullivan, C Douglas Smith, Angus E. McElnea, Col R. Ahern, and Bernard Powell), Applied Geochemistry (2010)
Tidal inundation was restored to a severely degraded tropical acid sulfate soil landscape and subsequent...
A national demonstration site for acid sulfate soil remediation in the Australian tropics - an overview of the East Trinity environmental success story (with Colin R. Ahern, D Smith, Angus E. McElnea, Richard T. Bush, Steven T. Wilbraham, Simon van Heel, Annabelle F. Keene, Bernard Powell, and B Malone), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Arsenic effects and behavior in association with the Fe(II)-catalysed transformation of schwertmannite (with Edward D. Burton, Kym M. Watling, Richard T. Bush, Annabelle F. Keene, and Leigh A. Sullivan), Environmental Science and Technology (2010)
In acid-mine drainage and acid-sulfate soil environments, the cycling of Fe and As are often...
Arsenic mobilization in a seawater inundated acid sulfate soil (with Annabelle F. Keene, Edward D. Burton, Richard T. Bush, Leigh A. Sullivan, Angus E. McElnea, Col R. Ahern, C Douglas Smith, Bernard Powell, and Rosalie K. Hocking), Environmental Science and Technology (2010)
Tidal seawater inundation of coastal acid sulfate soils can generate Fe- and SO4-reducing conditions in...
Assessment of saturated hydaulic conductivity in coastal floodplain acid sulfate soils (with Phillip Hirst, Peter G. Slavich, and Simon Walsh), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Climate change impacts on acid sulfate soil landscapes (with Richard T. Bush, Leigh A. Sullivan, Edward D. Burton, Annabelle F. Keene, Vanessa NL Wong, and L Mosley), Proceedings of Earth, energy and the environment: 20th annual VM Goldschmidt Conference (2010)
The anticipated impacts of climate change are warmer conditions, an increasing proportion of rainfall to...
Effectiveness of lime particle size in the neutralisation of sulfidic acid sulfate soil materials (with Kim M. Watling, Angus E. McElnea, Colin R. Ahern, Edward D. Burton, Annabelle F. Keene, Richard T. Bush, and Leigh A. Sullivan), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World, Brisbane (2010)
Evaluation of existing methods for assessing retained acidity in acid sulfate soil materials (with C Vithana, Leigh A. Sullivan, Richard T. Bush, and Edward D. Burton), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Impacts of sea level rise on the biogeochemistry of a coastal floodplain in eastern Australia (with Vanessa NL Wong, Phillip Hirst, Richard T. Bush, Leigh A. Sullivan, Edward D. Burton, and P G. Slavich), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Mobilisation of arsenic following sea-water inundation of acid sulfate soils (with Annabelle F. Keene, Richard T. Bush, Edward D. Burton, and Leigh A. Sullivan), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Quantifying retained acidity in acid sulfate soil materials: an evaluation of routine methods (with Chamindra Vithana, Leigh A. Sullivan, Richard T. Bush, and Edward D. Burton), Proceedings of the 19th World Congress of Soil Science: Soil solutions for a changing world (2010)
Retained Acidity is an important aspect of acid sulfate soil (ASS) but techniques for the...
Reactive trace element enrichment in a highly modified, tidally inundated acid sulfate soil wetland: East Trinity, Australia (with Annabelle F. Keene, Richard T. Bush, Edward D. Burton, and Leigh A. Sullivan), Marine Pollution Bulletin (2010)
This study examines the abundance of trace elements in surface sediments of a former acid...
Reductive dissolution of natural jarosite in a tidally inundated acid sulfate soil: geochemical implications (with Annabelle F. Keene, Richard T. Bush, Leigh A. Sullivan, and Edward D. Burton), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Reductive sulfur biomineralisation in a re-flooded acid-sulfate soil landscape (with Edward D. Burton, Richard T. Bush, Annabelle F. Keene, and Leigh A. Sullivan), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Remediating coastal acid sulfate soils by tidal inundation: geochemical hysteresis of iron (with Annabelle F. Keene, Richard T. Bush, Edward D. Burton, and Leigh A. Sullivan), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Seawater inundation of Fe-rich coastal lowlands – hydrogeochemical coupling and hysteresis at the tidal fringe (with Annabelle F. Keene, Richard T. Bush, Edward D. Burton, and Leigh A. Sullivan), Proceedings of Earth, energy and the environment: 20th annual VM Goldschmidt Conference (2010)
Over 17 million ha of coastal lowlands contain acid sulfate soils (CASS). These soils are...
Spatial and temporal changes in estuarine water quality during a post-flood hypoxic event (with Vanessa NL Wong, Richard T. Bush, Leigh A. Sullivan, Christina Clay, Edward D. Burton, and Peter G. Slavich), Estuarine, Coastal and Shelf Science (2010)
A major fish kill occurred in the Richmond River estuary in January 2008 due to...
Sulfidisation processes in a reactive Fe-enriched acid sulfate soil, northeastern Australia (with Annabelle F. Keene, Richard T. Bush, Leigh A. Sullivan, and Edward D. Burton), Proceedings of the 19th World Congress of Soil Science, Soil Solutions for a Changing World (2010)
Sulfur biomineralisation across a spatio-temporal hydrogeochemical gradient in an acid sulfate soil wetland (with Edward D. Burton, Richard T. Bush, Annabelle F. Keene, and Leigh A. Sullivan), Proceedings of Earth, energy and the environment: 20th annual VM Goldschmidt Conference (2010)
The formation of iron sulfides in wetland soils is an acidconsuming process, which can sequester...
Assessment of hydraulic conductivity in coastal floodplain acid sulphate soils on the north coast of NSW (with Phillip Hirst, Peter G. Slavich, and Simon Walsh), Industry and Investment, NSW (2009)
Estuarine wetlands are characterised by complex interactions between vegetation type, surface water fluxes and porewater...
Biomineralisation of nano-Fe(III) phases in inland waterways (with Lloyd S. Isaacson, Edward D. Burton, Richard T. Bush, David RG Mitchell, and Leigh A. Sullivan), Abstracts of Our volatile planet: Goldschmidt 2009: 19th annual VM Goldschmidt Conference (2009)
Discharge of Fe(II)-rich groundwaters to surface-waters results in biomineralisation and the formation of Fe(III)- mineral...
Changes in water quality following tidal inundation of coastal lowland acid sulfate soil landscapes (with Richard T. Bush, Leigh A. Sullivan, Edward D. Burton, C Douglas Smith, Michelle A. Martens, Angus E. McElnea, Col R. Ahern, Bernard Powell, Luisa P. Stephens, Steven T. Wilbraham, and Simon van Heel), Estuarine, Coastal and Shelf Science (2009)
This study examines the remediation of surface water quality in a severely degraded coastal acid...
Contemporary pedogenesis of severely degraded tropical acid sulfate soils after introduction of regular tidal inundation (with Annabelle F. Keene, Richard T. Bush, Edward D. Burton, Leigh A. Sullivan, C Douglas Smith, Angus E. McElnea, Michelle A. Martens, and Steven T. Wilbraham), Geoderma (2009)
Marine tidal inundation was partially restored to a severely degraded tropical acid sulfate soil landscape...
Geomorphic controls on post-flood water quality on a coastal floodplain (with Vanessa NL Wong, Richard T. Bush, Leigh A. Sullivan, and Chrisy Clay), Proceedings of Ancient landscapes - modern perspectives: 7th International Conference on Geomorphology (2009)
Major changes in estuarine water quality following flood events are influenced by the duration of...
Iron(III) accumulations in inland saline waterways, Hunter Valley, Australia: Mineralogy, micromorphology and pore-water geochemistry (with Lloyd S. Isaacson, Edward D. Burton, Richard T. Bush, David RG Mitchell, Bennett CT Macdonald, Leigh A. Sullivan, and Ian White), Applied Geochemistry (2009)
Discharge of Fe(II)-rich groundwaters into surface-waters results in the accumulation of Fe(III)-minerals in salinized sand-bed...
Iron-monosulfide oxidation in natural sediments: Resolving microbially mediated S transformations using XANES, electron microscopy, and selective extractions (with Edward D. Burton, Richard T. Bush, Leigh A. Sullivan, Rosalie K. Hocking, David RG Mitchell, R W. Fitzpatrick, M Raven, S McClure, and L Y. Yang), Environmental Science and Technology (2009)
Iron-monosulfide oxidation and associated S transformations in a natural sediment were examined by combining selective...
Iron-sulfur biomineralisation and arsenic mobility in acid-sulfate wetlands (with Edward D. Burton, Richard T. Bush, Leigh A. Sullivan, Kym M. Watling, and Annabelle F. Keene), Abstracts of Our volatile planet: Goldschmidt 2009: 19th annual VM Goldschmidt Conference (2009)
Iron sulfide oxidation in drained coastal lowland soils liberates acidity, Fe and SO4, and leads...
Pore water sampling in acid sulfate soils: a new peeper method (with Edward D. Burton, Annabelle F. Keene, Richard T. Bush, Leigh A. Sullivan, and Lloyd S. Isaacson), Journal of Environmental Quality (2009)
Received for publication April 9, 2009. This study describes the design, deployment, and application of...
Remediation of coastal acid sulfate soils by tidal inundation: effectiveness and geochemical implications (with Annabelle F. Keene, Richard T. Bush, Edward D. Burton, and Leigh A. Sullivan), Proceedings of 18th NSW Coastal Conference (2009)
The effects of restoring marine tidal inundation to a severely degraded acid sulfate soil landscape...
Saturated hydraulic conductivity of sulfuric horizons in coastal floodplain acid sulfate soils: variability and implications (with Phillip Hirst, Peter G. Slavich, Richard T. Bush, and Thor Aaso), Geoderma (2009)
The saturated hydraulic conductivity (Ks) of sulfuric horizons exerts a fundamental control on the connectivity...
Sorption of arsenic(V) and arsenic(III) to schwertmannite (with Edward D. Burton, Richard T. Bush, Kym M. Watling, Rosalie K. Hocking, Leigh A. Sullivan, and Gretel K. Parker), Environmental Science and Technology (2009)
This study describes the sorption of As(V) and As(III) to schwertmannite as a function of...
A national demonstration site for innovative acid sulfate soil research, East Trinity (with Richard T. Bush, Leigh A. Sullivan, Edward D. Burton, D Smith, Michelle A. Martens, Angus E. McElnea, Colin R. Ahern, Bernard Powell, Luisa P. Stephens, Steven T. Wilbraham, and Simon van Heel), Proceedings of CleanUp 08: Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE) (2008)
A simple and inexpensive chromium-reducible sulfur method for acidsulfate soils (with Edward D. Burton, Leigh A. Sullivan, Richard T. Bush, and Annabelle F. Keene), Applied Geochemistry (2008)
A new chromium-reducible sulfur (CRS) method suitable for the quantification of reduced inorganic S (RIS)...
Catalytic action of aqueous ferrous iron and sulfide on the transformation of iron oxides in acid sulfate soils (with Richard T. Bush, Edward D. Burton, and Leigh A. Sullivan), Proceedings of the Joint Conference of the 6th International Acid Sulfate Soil Conference and the Acid Rock Drainage Symposium (2008)
Impacts of climate change and sea-level rise on acid sulfate soils (with Richard T. Bush, Leigh A. Sullivan, Edward D. Burton, Colin R. Ahern, Bernard Powell, Angus E. McElnea, and D Smith), Joint Conference of the 6th International Acid Sulfate Soil Conference and the Acid Rock Drainage Symposium (2008)
Improvements in water quality following restoring tidal exchange in an acidified, diked and drained estuarine catchment (with Richard T. Bush, Leigh A. Sullivan, Edward D. Burton, D Smith, Michelle A. Martens, Angus E. McElnea, Colin R. Ahern, Bernard Powell, Luisa P. Stephens, Steven T. Wilbraham, and Simon van Heel), Proceedings of the Joint Conference of the 6th International Acid Sulfate Soil Conference and the Acid Rock Drainage Symposium (2008)
Managing floodplain drains to reduce acid export from acid sulfate soil backswamps (with Richard T. Bush, Nadia R. Toppler, P Hurst, Edward D. Burton, Leigh A. Sullivan, and Peter G. Slavich), Proceedings of the Joint Conference of the 6th International Acid Sulfate Soil Conference and the Acid Rock Drainage Symposium (2008)
Mobility of arsenic and selected metals during re-flooding of iron- and organic-rich acid-sulfate soil (with Edward D. Burton, Richard T. Bush, Leigh A. Sullivan, and Rosalie K. Hocking), Chemical Geology (2008)
The drainage-induced oxidation of iron-sulfide minerals in acid-sulfate soils has adversely affected large areas of...
Re-turning the tide: overview, concepts, and background to the acid sulfate soil remediation at East Trinity, Cairns, Australia (with Michelle A. Martens, Colin R. Ahern, D Smith, Angus E. McElnea, Steven T. Wilbraham, Luisa P. Stephens, and Simon van Heel), Proceedings of the Joint Conference of the 6th International Acid Sulfate Soil Conference and the Acid Rock Drainage Symposium (2008)
Reviewing indicators of sustainable agriculture: final report, NSW Department of Primary Industries (2007)
Changes in surface water quality after inundation of acid sulfate soils of different vegetation cover (with Peter G. Slavich and Phillip Hirst), Australian Journal of Soil Research (2005)
Surface soils from an acid sulfate soil (ASS) backswamp were inundated in a temperature controlled...
Opening floodgates in coastal floodplain drains: effects on tidal forcing and lateral transport of solutes in adjacent groundwater (with Peter G. Slavich and Phillip Hirst), Agricultural Water Management (2005)
The effects of opening tidal barriers (floodgates) upon water table levels and lateral transport of...
The impact of controlled tidal exchange on drainage water quality in acid sulphate soil backswamps (with Peter G. Slavich and Phillip Hirst), Agricultural Water Management (2005)
Periodic opening of one-way tidal floodgates was undertaken on two coastal flood mitigation drains to...
Floodgate and drain management on coastal floodplains: basic principles, Leaflet 3, Managing drains and tidal creeks for fish passage (with Andrew Bruce and Ferderieke Kroon), (2004)
Floodgate and drain management on coastal floodplains: basic principles, Leaflet 4, Managing salt water when opening floodgates (with Andrew Bruce and Ferderieke Kroon), (2004)
Redistribution of monosulfidic black oozes by floodwaters in a coastal acid sulfate soil floodplain (with Richard T. Bush, Leigh A. Sullivan, and Diane Fyfe), Australian Journal of Soil Research (2004)
The observations presented in this paper illustrate that significant amounts of monosulfidic black oozes (MBO)...
Shark creek acid sulfate soil study site: the effects of the weir at reducing acid export during 2003 (with Peter G. Slavich and Phillip Hirst), (2004)
The acid flux dynamics of two artificial drains in acid sulfate soil backswamps on the Clarence River floodplain, Australia (with Peter G. Slavich and Phillip Hirst), Australian Journal of Soil Research (2004)
The export of acidity, iron, aluminium, and sulfate to an estuary from 2 drains in...
The effects of a weir on reducing acid flux from a drained coastal acid sulphate soil backswamp (with Peter G. Slavich and Phillip Hirst), Agricultural Water Management (2004)
A trial was conducted to examine the effects of retaining drain water with a weir...
The hydrological effects of floodgate management on coastal floodplain agriculture: Final report for project DAN13 (with Peter G. Slavich), Land and Water Australia: NSW Agriculture (2004)
The hydrology, biochemistry and management of drained coastal acid sulphate soil backswamps in the lower Clarence River floodplain, PhD thesis, Southern Cross University, Lismore, NSW (2004)
Alteration of groundwater and sediment geochemistry in a sulfidic backswamp due to Melaleuca quinquenervia encroachment (with Peter G. Slavich and Phillip Hirst), Australian Journal of Soil Research (2003)
Extensive encroachment of the native tree species Melaleuca quinquenervia (Cav.) Blake has occurred on a...
Artificial drainage of floodwaters from sulfidic backswamps: effects on deoxygenation in an Australian estuary (with Peter G. Slavich, Leigh A. Sullivan, and Phillip Hirst), Marine and Freshwater Research (2003)
The Clarence River estuary experienced extensive oxygen depletion and fish kills following overbank flooding in...
Hydraulic conductivity - a simple field test for shallow coastal acid sulfate soils (with Peter G. Slavich), (2003)
Hydraulic conductivity in the sulfuric horizons at Partridge Creek acid sulfate soil hotspot (with Peter G. Slavich and Phillip Hirst), Report to Hastings Council no. DAN13/1 (2003)
Remediation of Partridge Creek acid sulfate soil hot spot (with Thor Aaso and M Rogers), 12th NSW Coastal Conference (2003)
Restoring the balance : guidelines for managing floodgates and drainage systems on coastal floodplains (with Frederieke Kroon, Peter G. Slavich, Alan Cibilic, and Andrew Bruce), School of Environmental Science and Management Papers (2003)
These guidelines are written for people who actively manage coastal floodplain drainage systems, including local...
Soil permeability can effect acid export and salt seepage (with B MacDonald), Australian Sugarcane (2003)
Deep flooding of sulfidic backswamps and artificial drainage - links to estuarine deoxygenation and scald formation (with Peter G. Slavich and Phillip Hirst), Proceedings of Sustainable Management of Acid Sulfate Soils: 5th International Acid Sulphate Soil Conference, Conference Abstracts (2002)
Floodgate and drainage system management, opportunities and limitations - an acid export perspective (with Peter G. Slavich and Phillip Hirst), Floodgate Design and Modification Workshop (2002)
Hydrological effects of floodgate management on coastal floodplain agriculture (with Peter G. Slavich and Phillip Hirst), Proceedings Australian Soil Science Society, NSW Branch, North Coast Soils Tour (2002)
Lateral salt seepage into shallow coastal aquifers from tidal drains (with Phillip Hirst and Peter G. Slavich), Proceedings of Sustainable Management of Acid Sulfate Soils: 5th International Acid Sulphate Soil Conference, Conference Abstracts (2002)
Melaleuca quinquenervia encroachment in sufidic backswamps - links to increasing groundwater acidity (with Peter G. Slavich and Phillip Hirst), Proceedings of Sustainable Management of Acid Sulfate Soils: 5th International Acid Sulphate Soil Conference, Conference Abstracts (2002)
Mobility of monosulfidic black oozes in coastal acid sulfate soil landscapes (with Richard T. Bush, Leigh A. Sullivan, Diane M. Fyfe, Salirian R. Claff, and Peter G. Slavich), Proceedings of Sustainable Management of Acid Sulfate Soils: 5th International Acid Sulphate Soil Conference, Conference Abstracts (2002)
Sources of salinity in low elevation coastal floodplain soil landscapes and effects on cane yield (with Peter G. Slavich and Phillip Hirst), Proceedings of Sustainable Management of Acid Sulfate Soils: 5th International Acid Sulphate Soil Conference, Conference Abstracts (2002)
The acid flux dynamics of two artificial drains in sulfidic backswamps on the Clarence River floodplain, Australia - management implications (with Peter G. Slavich and Phillip Hirst), Proceedings of Sustainable Management of Acid Sulfate Soils: 5th International Acid Sulphate Soil Conference, Conference Abstracts (2002)