All Stories

  1. The importance of the hydrological pathways in exporting nitrogen from grazed artificially drained land

    Article • Journal of Hydrology, June 2021, Elsevier

    Dr Greg F Barkle

  2. Assessing changes in nitrogen contamination in groundwater using water aging: Waikato River, New Zealand

    Article • Journal of Contaminant Hydrology, October 2020, Elsevier

    Dr Greg F Barkle

  3. High-frequency, in situ sampling of field woodchip bioreactors reveals sources of sampling error and hydraulic inefficiencies

    Article • Journal of Environmental Management, October 2020, Elsevier

    Dr Greg F Barkle

  4. Nitrate removal and secondary effects of a woodchip bioreactor for the treatment of subsurface drainage with dynamic flows under pastoral agriculture

    Article • Ecological Engineering, April 2020, Elsevier

    Dr Greg F Barkle

  5. The effects of denitrification parameterization and potential benefits of spatially targeted regulation for the reduction of N-discharges from agriculture

    Article • Journal of Environmental Management, October 2019, Elsevier

    Dr Greg F Barkle

  6. Fate of urine nitrogen through a volcanic vadose zone

    Article • Soil Research, January 2014, CSIRO Publishing

    Dr Greg F Barkle

  7. Variability of unsaturated Bromide fluxes as measured through a layered volcanic vadose zone in New Zealand

    Article • Hydrological Processes, November 2013, Wiley

    Dr Greg F Barkle

  8. Dual-tracer, non-equilibrium mixing cell modelling and uncertainty analysis for unsaturated bromide and chloride transport

    Article • Journal of Contaminant Hydrology, October 2012, Elsevier

    Dr Greg F Barkle

  9. Automated Equilibrium Tension Lysimeters for Measuring Water Fluxes through a Layered, Volcanic Vadose Profile in New Zealand

    Article • Vadose Zone Journal, January 2011, Soil Science Society of America

    Dr Greg F Barkle

  10. Three-Dimensional Modeling of Multiple Automated Equilibrium Tension Lysimeters to Measure Vadose Zone Fluxes

    Article • Vadose Zone Journal, January 2009, Soil Science Society of America

    Dr Greg F Barkle

  11. Dynamic analysis of groundwater discharge and partial-area contribution to Pukemanga Stream, New Zealand

    Article • Hydrology and Earth System Sciences, July 2008, Copernicus GmbH

    Dr Greg F Barkle

  12. Comparison of Three Multiobjective Optimization Algorithms for Inverse Modeling of Vadose Zone Hydraulic Properties

    Article • Soil Science Society of America Journal, January 2008, Soil Science Society of America

    Dr Greg F Barkle

  13. In situ Mixing of Organic Matter Decreases Hydraulic Conductivity of Denitrification Walls in Sand Aquifers

    Article • Groundwater Monitoring & Remediation, January 2008, Wiley

    Dr Greg F Barkle

  14. Dynamic analysis of groundwater discharge and partial-area contribution to Pukemanga Stream, New Zealand

    Article • Hydrology and Earth System Sciences Discussions, July 2007, Copernicus GmbH

    Dr Greg F Barkle

  15. Denitrification capacity in the vadose zone at three sites in the Lake Taupo catchment, New Zealand

    Article • Australian Journal of Soil Research, January 2007, CSIRO Publishing

    Dr Greg F Barkle

  16. Relationship between dielectric permittivity and water content for vadose zone materials of volcanic origin

    Article • Australian Journal of Soil Research, January 2007, CSIRO Publishing

    Dr Greg F Barkle

  17. Multiobjective Inverse Modeling for Soil Parameter Estimation and Model Verification

    Article • Vadose Zone Journal, January 2006, Soil Science Society of America

    Dr Greg F Barkle

  18. From the Paddock to the Stream — Unravelling the Nitrogen Flowpaths in a New Zealand Dairying Catchment

    Article • July 2005, American Society of Civil Engineers (ASCE)

    Dr Greg F Barkle

  19. Maximum Rates of Nitrate Removal in a Denitrification Wall

    Article • Journal of Environmental Quality, January 2005, American Society of Agronomy

    Dr Greg F Barkle

  20. Numerical Analysis to Investigate the Effects of the Design and Installation of Equilibrium Tension Plate Lysimeters on Leachate Volume

    Article • Vadose Zone Journal, January 2005, Soil Science Society of America

    Dr Greg F Barkle

  21. Laboratory calibrations of water content reflectometers and their in-situ verification

    Article • Australian Journal of Soil Research, January 2005, CSIRO Publishing

    Dr Greg F Barkle

  22. Land Application of Domestic Effluent onto Four Soil Types

    Article • Journal of Environmental Quality, January 2005, American Society of Agronomy

    Dr Greg F Barkle

  23. Hydraulic constraints on the performance of a groundwater denitrification wall for nitrate removal from shallow groundwater

    Article • Journal of Contaminant Hydrology, April 2004, Elsevier

    Dr Greg F Barkle

  24. Mineralisation of organic matter in intact versus sieved/refilled soil cores

    Article • Soil Research, January 2002, CSIRO Publishing

    Dr Greg F Barkle

  25. Mineralization and immobilization of C and N from dairy farm effluent (DFE) and glucose plus ammonium chloride solution in three grassland topsoils

    Article • Soil Biology and Biochemistry, June 2001, Elsevier

    Dr Greg F Barkle

  26. Article • Nutrient Cycling in Agroecosystems, January 2001, Springer Science + Business Media

    Dr Greg F Barkle

  27. Immobilisation and mineralisation of carbon and nitrogen from dairy farm effluent during laboratory soil incubations

    Article • Soil Research, January 2001, CSIRO Publishing

    Dr Greg F Barkle

  28. Nitrogen leaching from soil lysimeters irrigated with dairy shed effluent and having managed drainage

    Article • Soil Research, January 2001, CSIRO Publishing

    Dr Greg F Barkle

  29. Effect of regular irrigation with dairy farm effluent on soil organic matter and soil microbial biomass

    Article • Soil Research, January 2000, CSIRO Publishing

    Dr Greg F Barkle

  30. LEACHING OF PARTICULATE ORGANIC CARBON FROM LAND-APPLIED DAIRY FARM EFFLUENT

    Article • Soil Science, April 1999, Wolters Kluwer Health

    Dr Greg F Barkle

  31. Hydrology models DRAINMOD and SWIM applied to large soil lysimeters with artificial drainage

    Article • Australian Journal of Soil Research, January 1998, CSIRO Publishing

    Dr Greg F Barkle