Catchment-Scale and Riparian Zone Stormwater Retention; Can It Restore Stream Hydrology?

Understanding the Impact of Soil Clay Mineralogy on the Adsorption Behavior of Zinc

A Behroozi, M Arora, TD Fletcher, AW Western, JF Costelloe

2021-06-01

Infiltration systems are increasingly used to reduce peak flows and mitigate the impacts of stormwater runoff. Despite the benefit..

How urban stormwater regimes drive geomorphic degradation of receiving streams

KL Russell, GJ Vietz, TD Fletcher

2020-10-01

For streams draining urban catchments, sediment transport capacity is the key driver of physical impacts including bed sediment re..

Sorption and transport behavior of zinc in the soil; Implications for stormwater management

A Behroozi, M Arora, TD Fletcher, AW Western

2020-05-15

Long-term leaching of accumulated heavy metals from the filter media of stormwater infiltration systems into groundwater, and its ..

The hydrologic, water quality and flow regime performance of a bioretention basin in Melbourne, Australia

Jeremie Bonneau, Tim D Fletcher, Justin F Costelloe, Peter J Poelsma, Robert B James, Matthew J Burns

2020-01-01

To restore streams degraded by urbanisation, bioretention basins (‘raingardens’) are implemented worldwide to reduce stormwater vo..

A suburban sediment budget: Coarse-grained sediment flux through hillslopes, stormwater systems and streams

Kathryn L Russell, Geoff J Vietz, Tim D Fletcher

2019-10-01

Sediment in urban stormwater systems creates a significant maintenance burden, while a lack of coarse‐grained bed sediment in stre..

How alternative urban stream channel designs influence ecohydraulic conditions

DO Anim, TD Fletcher, GJ Vietz, MJ Burns, GB Pasternack

2019-10-01

Streams draining urban catchments ubiquitously undergo negative physical and ecosystem changes, recognized to be primarily driven ..

Can catchment-scale urban stormwater management measures benefit the stream hydraulic environment?

DO Anim, TD Fletcher, GB Pasternack, GJ Vietz, HP Duncan, MJ Burns

2019-03-01

The potential for catchment-scale stormwater control measures (SCMs) to mitigate the impact of stormwater runoff issues and excess..

Urban sediment supply to streams from hillslope sources

KL Russell, GJ Vietz, TD Fletcher

2019-02-25

Coarse-grained sediments supplied to a stream, in concert with the flow regime, play an important role in channel form and functio..

Green roof storage capacity can be more important than evapotranspiration for retention performance

Z Zhang, C Szota, TD Fletcher, NSG Williams, C Farrell

2019-02-15

Green roofs can significantly reduce stormwater runoff volumes. Plant selection is crucial to retention performance, as it is infl..

Restoring in-stream habitat in urban catchments: Modify flow or the channel?

DO Anim, TD Fletcher, GJ Vietz, GB Pasternack, MJ Burns

2019-01-01

Urban streams have almost universally altered physical habitat conditions due to excess stormwater run-off. This includes changes ..

Where does infiltrated stormwater go? Interactions with vegetation and subsurface anthropogenic features

J Bonneau, TD Fletcher, JF Costelloe, PJ Poelsma, RB James, MJ Burns

2018-12-01

The practice of stormwater infiltration is widely used to reduce the amount of urban stormwater runoff delivered to drainage syste..

Effect of urbanization on stream hydraulics

DO Anim, TD Fletcher, GJ Vietz, GB Pasternack, MJ Burns

2018-09-01

Urbanization results in major changes to stream morphology and hydrology with the latter often cited as a primary stressor of urba..

Urban catchment runoff increases bedload sediment yield and particle size in stream channels

Kathryn L Russell, Geoff J Vietz, Tim D Fletcher

2018-09-01

Physical degradation of urban rivers negatively impacts the environmental and social values they provide, and imposes significant ..

Which species? A decision-support tool to guide plant selection in stormwater biofilters

EGI Payne, T Pham, A Deletic, BE Hatt, PLM Cook, TD Fletcher

2018-03-01

Plant species are diverse in form, function and environmental response. This provides enormous potential for designing nature-base..

Drought-avoiding plants with low water use can achieve high rainfall retention without jeopardising survival on green roofs

C Szota, C Farrell, NSG Williams, SK Arndt, TD Fletcher

2017-12-15

Green roofs are increasingly being used among the suite of tools designed to reduce the volume of surface water runoff generated b..

Laboratory tests of substrate physical properties may not represent the retention capacity of green roof substrates in situ

C Szota, TD Fletcher, C Desbois, JP Rayner, NSG Williams, C Farrell

2017-11-27

Green roofs can be used to reduce the volume of polluted stormwater that is generated by cities. Modelling rainfall retention is c..

A framework for the case-specific assessment of Green Infrastructure in mitigating urban flood hazards

JE Schubert, MJ Burns, TD Fletcher, BF Sanders

2017-10-01

This research outlines a framework for the case-specific assessment of Green Infrastructure (GI) performance in mitigating flood h..

Stormwater infiltration and the ‘urban karst’ – A review

J Bonneau, TD Fletcher, JF Costelloe, MJ Burns

2017-09-01

The covering of native soils with impervious surfaces (e.g. roofs, roads, and pavement) prevents infiltration of rainfall into the..

Interactions between design, plant growth and the treatment performance of stormwater biofilters

Bonnie J Glaister, Tim D Fletcher, Perran LM Cook, Belinda E Hatt

2017-08-01

Plants play a critical role in the nutrient removal performance of stormwater biofilters. However, the influence of biofilter desi..

Global sediment yields from urban and urbanizing watersheds

Kathryn L Russell, Geoff J Vietz, Tim D Fletcher

2017-05-01

Streams with urban watersheds are almost universally subject to degradation, largely driven by changes to flow and sediment inputs..

Inside Story of Gas Processes within Stormwater Biofilters: Does Greenhouse Gas Production Tarnish the Benefits of Nitrogen Removal?

EGI Payne, T Pham, PLM Cook, A Deletic, BE Hatt, TD Fletcher

2017-04-04

Stormwater biofilters are dynamic environments, supporting diverse processes that act to capture and transform incoming pollutants..

Can raingardens produce food and retain stormwater? Effects of substrates and stormwater application method on plant water use, stormwater retention and yield

Paul J Richards, Nicholas SG Williams, Tim D Fletcher, Claire Farrell

2017-03-01

Raingardens capture and filter urban stormwater using sandy soils and drought-tolerant plants. An emerging question is whether rai..

Will it rise or will it fall? Managing the complex effects of urbanization on base flow

AS Bhaskar, L Beesley, MJ Burns, TD Fletcher, P Hamel, CE Oldham, AH Roy

2016-03-01

Sustaining natural levels of base flow is critical to maintaining ecological function as stream catchments are urbanized. Stream b..

More than money: how multiple factors influence householder participation in at-source stormwater management

HL Brown, DG Bos, CJ Walsh, TD Fletcher, S RossRakesh

2016-01-01

Urban stormwater run-off is a threat to stream ecosystems. New approaches to stormwater management aim to protect urban streams fr..

Thinking outside the channel: Challenges and opportunities for protection and restoration of stream morphology in urbanizing catchments

GJ Vietz, ID Rutherfurd, TD Fletcher, CJ Walsh

2016-01-01

Urbanization of catchments profoundly changes the morphology of streams by increasing stormwater runoff, altering sediment regimes..

Flow-regime management at the urban land-parcel scale: Test of feasibility

MJ Burns, TD Fletcher, CJ Walsh, AR Ladson, BE Hatt

2015-12-01

Overcoming the hydrologic shortcomings of conventional approaches to stormwater management requires the protection or restoration ..

Which baseflow metrics should be used in assessing flow regimes of urban streams?

P Hamel, E Daly, TD Fletcher

2015-09-30

Determining the impact of urbanisation on baseflow is complex because of the multiplicity of factors that govern subsurface flows...

Testing the impact of at-source stormwater management on urban flooding through a coupling of network and overland flow models

MJ Burns, JE Schubert, TD Fletcher, BF Sanders

2015-07-01

In many urban catchments, stormwater flooding is a serious problem. Low-impact development and the use of stormwater control measu..

Automated chamber system to measure field evapotranspiration rates

P Hamel, I Mchugh, A Coutts, E Daly, J Beringer, TD Fletcher

2015-02-01

Reliable estimation of evapotranspiration is important for many hydrological applications, including agriculture, climatology, and..

A landscape measure of urban stormwater runoff effects is a better predictor of stream condition than a suite of hydrologic factors

MJ Burns, CJ Walsh, TD Fletcher, AR Ladson, BE Hatt

2015-01-01

Restoration and protection of urban stream ecosystems require knowledge of the primary causes of their degradation. Conventional s..

Salt tolerant plants increase nitrogen removal from biofiltration systems affected by saline stormwater

C Szota, C Farrell, SJ Livesley, TD Fletcher

2015-01-01

Biofiltration systems are used in urban areas to reduce the concentration and load of nutrient pollutants and heavy metals enterin..

The performance of rainwater tanks for stormwater retention and water supply at the household scale: an empirical study

MJ Burns, TD Fletcher, HP Duncan, BE Hatt, AR Ladson, CJ Walsh

2015-01-01

Urban stormwater run-off degrades the ecological condition of streams. The use of rainwater tanks to supplement water supply can r..

Vegetable raingardens can produce food and reduce stormwater runoff

PJ Richards, C Farrell, M Tom, NSG Williams, TD Fletcher

2015-01-01

Raingardens are garden beds designed to capture and filter urban stormwater runoff using a permeable soil substrate and plants tol..

Modelling the impact of stormwater source control infiltration techniques on catchment baseflow

P Hamel, TD Fletcher

2014-11-29

Stormwater management increasingly recognises the need to emulate, to the maximum extent possible, the flow regime of receiving wa..

The influence of media type on removal of arsenic, iron and boron from acidic wastewater in horizontal flow wetland microcosms planted with Phragmites australis

KL Allende, DT McCarthy, TD Fletcher

2014-06-15

In this study, horizontal flow wetland microcosms were used to test the effectiveness of two media types: (1) zeolite and (2) a se..

Temporary storage or permanent removal? The division of nitrogen between biotic assimilation and denitrification in stormwater biofiltration systems

EGI Payne, TD Fletcher, DG Russell, MR Grace, TR Cavagnaro, V Evrard, A Deletic, BE Hatt, PLM Cook

2014-03-26

The long-term efficacy of stormwater treatment systems requires continuous pollutant removal without substantial re-release. Hence..

Ecologically relevant geomorphic attributes of streams are impaired by even low levels of watershed effective imperviousness

GJ Vietz, MJ Sammonds, CJ Walsh, TD Fletcher, ID Rutherfurd, MJ Stewardson

2014-02-01

Urbanization almost inevitably results in changes to stream morphology. Understanding the mechanisms for such impacts is a prerequ..

Biofilter design for effective nitrogen removal from stormwater - Influence of plant species, inflow hydrology and use of a saturated zone

EGI Payne, T Pham, PLM Cook, TD Fletcher, BE Hatt, A Deletic

2014-01-01

The use of biofilters to remove nitrogen and other pollutants from urban stormwater runoff has demonstrated varied success across ..

Factors that affect the hydraulic performance of raingardens: Implications for design and maintenance

HK Virahsawmy, MJ Stewardson, G Vietz, TD Fletcher

2014-01-01

Raingardens are becoming an increasingly popular technology for urban stormwater treatment. However, their hydraulic performance i..

Adapting urban water systems to a changing climate: Lessons from the millennium drought in southeast Australia

SB Grant, TD Fletcher, D Feldman, JD Saphores, PLM Cook, M Stewardson, K Low, K Burry, AJ Hamilton

2013-10-01

Australia’s Millennium Drought transformed how Melbourne, a city of 4 million people, secures and uses its water resources. By thr..

Hydrology of peri-urban catchments: Processes and modelling

I Braud, TD Fletcher, H Andrieu

2013-04-02

Setting objectives for hydrologic restoration: from site-scale to catchment-scale

MJ Burns, TD Fletcher, AR Ladson, BE Hatt, C WALSH

2013-01-01