Konrad Miotliński

Edith Cowan University

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i-10 index

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Co-Authors

Peter Dillon

Commonwealth Scientific and Industrial Research Organisation

Karen Barry

Commonwealth Scientific and Industrial Research Organisation

Declan Page

Commonwealth Scientific and Industrial Research Organisation

Joanne Vanderzalm

Commonwealth Scientific and Industrial Research Organisation

Fabrizio Rama

Syngenta (United Kingdom)

Paul Pavelic

Lao-Oxford-Mahosot Hospital-Wellcome Trust Research Unit

Ken Lawrie

Geoscience Australia

Kerry Levett

Australian Research Data Commons

Mary C. Boyce

Edith Cowan University

Henry Xavier Corseuil

Universidade Federal de Santa Catarina

Cooperative Institutions

CSIRO Land and Water

Commonwealth Scientific and Industrial Research Organisation

Health Sciences and Nutrition

Universidade Estadual Paulista (Unesp)

National Centre for Groundwater Research and Training

Flinders University

Universidade Federal de Santa Catarina

Geoscience Australia

Edith Cowan University

University of Queensland

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Research Field

Coupled Reactive Transport Modeling of Redox Processes in a Nitrate-Polluted Sandy Aquifer

Aquatic Geochemistry (2008)

Konrad Miotliński

Geochemical Modeling

Permeable reactive barrier

10.1007/s10498-008-9028-1

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Citations (22)

Simulated temperatures of forest fires affect water solubility in soil and litter

Ecological Indicators (2023)

Konrad Miotliński Kuenzang Tshering Mary C. Boyce David Blake Pierre Horwitz

As wildfires are of increasing concern in a warming world, there is a need to understand how fire temperatures affect solute concentrations of forest litter and soils in drinking water catchments. In addition, the concentrations are expected to be affected by time since the previous fire. We sampled soil and litter from recently (2 months) and less recently (4.5 years) burnt sites from jarrah forest in SW Australia. The samples were heated at 250°C, 350°C, and 500°C for 30min followed by leaching to determine solute compositions at these temperatures and in unburnt samples. At 250°C–350°C, we found increased concentrations of manganese (Mn), arsenic (As), total phosphorus (TP), phosphate (PO43-), ammonia (NH4+), potassium (K), calcium (Ca), mangesium (Mg), cobalt (Co), barium (Ba), sulphate (SO42-), alkalinity and dissolved organic carbon in soils, as well as of zinc (Zn), As, Ca, Ba, alkalinity, aluminium (Al) and chromium (Cr) in litter. At 350°C–500°C, divalent cations and organic carbon declined, while soils generated very high Al and Cr concentrations. The time following the fire was important, with the more recent fire generating higher concentrations. The elevated concentrations in 250°C–350°C were attributed to a decomposition of organic matter and mineral transformations, including CaCO3 formation. Based on thermodynamics, we propose a couple of burn severity indicators: activities of calcium and carbonates that are calculated from pH, alkalinity and Ca concentration. The indicators do not only show the degree of post-fire transformations, but they also inform on CaCO3 formation. Further studies include: (1) application to field data, (2) association with organic contaminants, and (3) validation in other geographical locations.

Alkalinity

10.1016/j.ecolind.2023.110236

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Citations (4)

Recharge estimation from discrete water-table datasets in a coastal shallow aquifer in a humid subtropical climate

Hydrogeology Journal (2018)

Fabrizio Rama Konrad Miotliński Davide Franco Henry Xavier Corseuil

10.1007/s10040-018-1742-1

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Citations (19)

Determining treatment requirements for turbid river water to avoid clogging of aquifer storage and recovery wells in siliceous alluvium

Water Research (2014)

Declan Page Joanne Vanderzalm Konrad Miotliński Karen Barry Peter Dillon

Turbidity

Clogging

Filtration (mathematics)

10.1016/j.watres.2014.08.018

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Citations (46)

Human health risks of untreated groundwater third pipe supplies for non-potable domestic applications

Urban Water Journal (2013)

Declan Page Konrad Miotliński S. Toze Olga Barron

A quantitative microbial risk assessment (QMRA) was undertaken to determine the potential human health risks associated with use of untreated groundwater from a superficial aquifer in a new residential urban development. In situ pathogen survival experiments determined the attenuation rates of selected pathogens. Cryptosporidium oocysts, Giardia cysts, E. coli, Campylobacter jejuni, and MS2 bacteriophage had 1 log10 (90%) reduction times (T90) ranging from 2 to 42 days. Adenovirus displayed distinctly non-linear broken stick decay rates with an initial T90 of 5 days to day 14, after which the T90 declined to ∼100 days. The QMRA suggested that aquifer attachment was the dominant form of pathogen removal followed by natural attenuation. The QMRA results showed that under the exposure scenarios tested the mean human health risks were all acceptable with calculated Disability Adjusted Life Years (DALYs < 1 × 10− 6/person/year).

Bacteriophage MS2

10.1080/1573062x.2013.831912

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Citations (5)

Assessing the Impact of Recycled Water Quality and Clogging on Infiltration Rates at A Pioneering Soil Aquifer Treatment (SAT) Site in Alice Springs, Northern Territory (NT), Australia

Water (2017)

Karen Barry Joanne Vanderzalm Konrad Miotliński Peter Dillon

Infiltration techniques for managed aquifer recharge (MAR), such as soil aquifer treatment (SAT) can facilitate low-cost water recycling and supplement groundwater resources. However there are still challenges in sustaining adequate infiltration rates in the presence of lower permeability sediments, especially when wastewater containing suspended solids and nutrients is used to recharge the aquifer. To gain a better insight into reductions in infiltration rates during MAR, a field investigation was carried out via soil aquifer treatment (SAT) using recharge basins located within a mixture of fine and coarse grained riverine deposits in Alice Springs, Northern Territory, Australia. A total of 2.6 Mm3 was delivered via five SAT basins over six years; this evaluation focused on three years of operation (2011–2014), recharging 1.5 Mm3 treated wastewater via an expanded recharge area of approximately 38,400 m2. Average infiltration rates per basin varied from 0.1 to 1 m/day due to heterogeneous soil characteristics and variability in recharge water quality. A treatment upgrade to include sand filtration and UV disinfection (in 2013) prior to recharge improved the average infiltration rate per basin by 40% to 100%.

Infiltration (HVAC)

Clogging

10.3390/w9030179

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Citations (27)

A Generic Method for Predicting Environmental Concentrations of Hydraulic Fracturing Chemicals in Soil and Shallow Groundwater

Water (2020)

Dirk Mallants Elise Bekele Wolfgang Schmid Konrad Miotliński Andrew Taylor

Source-pathway-receptor analyses involving solute migration pathways through soil and shallow groundwater are typically undertaken to assess how people and the environment could come into contact with chemicals associated with coal seam gas operations. For the potential short-term and long-term release of coal seam gas fluids from storage ponds, solute concentration and dilution factors have been calculated using a water flow and solute transport modelling framework for an unsaturated zone-shallow groundwater system. Uncertainty about dilution factors was quantified for a range of system parameters: (i) leakage rates from storage ponds combined with recharge rates, (ii) a broad combination of soil and groundwater properties, and (iii) a series of increasing travel distances through soil and groundwater. Calculated dilution factors in the soil increased from sand to loam soil and increased with an increasing recharge rate, while dilution decreased for a decreasing leak rate and leak duration. In groundwater, dilution factors increase with increasing aquifer hydraulic conductivity and riverbed conductance. For a hypothetical leak duration of three years, the combined soil and groundwater dilution factors are larger than 6980 for more than 99.97% of bores that are likely to be farther than 100 m from the source. Dilution factors were more sensitive to uncertainty in leak rates than recharge rates. Based on this dilution factor, a comparison of groundwater predicted environmental concentrations and predicted no-effect concentrations for a subset of hydraulic fracturing chemicals used in Australia revealed that for all but two of the evaluated chemicals the estimated groundwater concentration (for a hypothetical water bore at 100 m from the solute source) is smaller than the no-effect concentration for the protection of aquatic ecosystems.

Dilution

Groundwater model

10.3390/w12040941

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Citations (14)

Regional-scale modelling and predictive uncertainty analysis of cumulative groundwater impacts from coal seam gas and coal mining developments

Hydrogeology Journal (2019)

Sreekanth Janardhanan Russell S. Crosbie Trevor Pickett Tao Cui Luk Peeters

Drawdown (hydrology)

10.1007/s10040-019-02087-9

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Citations (11)

Environmental monitoring of selected pesticides and organic chemicals in urban stormwater recycling systems using passive sampling techniques

Journal of Contaminant Hydrology (2014)

Declan Page Konrad Miotliński Dennis Gonzalez Karen Barry Peter Dillon

Metolachlor

Simazine

10.1016/j.jconhyd.2014.01.004

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Citations (45)

Controls over spatial and seasonal variations on isotopic composition of the precipitation along the central and eastern portion of Brazil

Isotopes in Environmental and Health Studies (2017)

Didier Gastmans Vinícius dos Santos Juliana Aparecida Galhardi João Felipe Gromboni Ludmila Vianna Batista

Based on Global Network Isotopes in Precipitation (GNIP) isotopic data set, a review of the spatial and temporal variability of δ18O and δ2H in precipitation was conducted throughout central and eastern Brazil, indicating that dynamic interactions between Intertropical and South Atlantic Convergence Zones, Amazon rainforest, and Atlantic Ocean determine the variations on the isotopic composition of precipitation over this area. Despite the seasonality and latitude effects observed, a fair correlation with precipitation amount was found. In addition, Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) air mass back trajectories were used to quantify the factors controlling daily variability in stable isotopes in precipitation. Through a linear multiple regression analysis, it was observed that temporal variations were consistent with the meteorological parameters derived from HYSPLIT, particularly precipitation amount along the trajectory and mix depth, but are not dependent on vapour residence time in the atmosphere. These findings also indicate the importance of convective systems to control the isotopic composition of precipitation in tropical and subtropical regions.

HYSPLIT

Intertropical Convergence Zone

Orography

δ18O

Seasonality

Speleothem

10.1080/10256016.2017.1305376

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Citations (31)