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Uncertainty in Parameterizing Floodplain Forest Friction for Natural Flood Management, Using Remote Sensing (2020)
Journal Article
Antonarakis, A. S., & Milan, D. J. (2020). Uncertainty in Parameterizing Floodplain Forest Friction for Natural Flood Management, Using Remote Sensing. Remote Sensing, 12(11), 1799. https://doi.org/10.3390/rs12111799

One potential Natural Flood Management (NFM) option is floodplain reforestation or manage existing riparian forests, with a view to increasing flow resistance and attenuate flood hydrographs. However, the effectiveness of floodplain forests as resist... Read More about Uncertainty in Parameterizing Floodplain Forest Friction for Natural Flood Management, Using Remote Sensing.

Uncertainty in parameterising floodplain forest friction for Natural Flood Management, using remote sensing (2020)
Journal Article
Antonarakis, A., & Milan, D. (2020). Uncertainty in parameterising floodplain forest friction for Natural Flood Management, using remote sensing. Remote Sensing, 12(11), https://doi.org/10.3390/rs12111799

One potential Natural Flood Management option is floodplain reforestation or manage existing riparian forests, with a view to increasing flow resistance and attenuate flood hydrographs. However, the effectiveness of floodplain forests as resistance a... Read More about Uncertainty in parameterising floodplain forest friction for Natural Flood Management, using remote sensing.

Topographic, hydraulic, and vegetative controls on bar and island development in mixed bedrock-alluvial, multi-channeled, dryland rivers (2020)
Journal Article
Milan, D., Tooth, S., & Heritage, G. (2020). Topographic, hydraulic, and vegetative controls on bar and island development in mixed bedrock-alluvial, multi-channeled, dryland rivers. Water Resources Research, 56(5), https://doi.org/10.1029/2019wr026101

We investigate processes of bedrock-core bar and island development in a bedrock-influenced anastomosed reach of the Sabie River, Kruger National Park (KNP), eastern South Africa. For sites subject to alluvial stripping during an extreme flood event... Read More about Topographic, hydraulic, and vegetative controls on bar and island development in mixed bedrock-alluvial, multi-channeled, dryland rivers.

Terrestrial structure-from-motion: spatial error analysis of roughness and morphology (2019)
Journal Article
Schwendel, A., & Milan, D. (2020). Terrestrial structure-from-motion: spatial error analysis of roughness and morphology. Geomorphology, 350, https://doi.org/10.1016/j.geomorph.2019.106883

Structure-from-Motion (SfM) photogrammetry is rapidly becoming a key tool for morphological characterisation and change detection of the earth surface. This paper demonstrates the use of Terrestrial Structure-from-Motion (TSfM) photogrammetry to acqu... Read More about Terrestrial structure-from-motion: spatial error analysis of roughness and morphology.

Ecohydraulic modelling of anabranching rivers (2019)
Journal Article
Entwistle, N., Heritage, G., & Milan, D. (2019). Ecohydraulic modelling of anabranching rivers. River Research and Applications, 35(4), 353-364. https://doi.org/10.1002/rra.3413

In this paper we provide the first quantitative evidence of the spatial complexity of habitat diversity across the flow regime for locally anabranching channels and their potential increased biodiversity value in comparison to managed single‐thread r... Read More about Ecohydraulic modelling of anabranching rivers.

Quantifying and contextualising cyclone-driven, extreme flood magnitudes in bedrock-influenced dryland rivers (2018)
Journal Article
Heritage, G., Entwistle, N., Milan, D., & Tooth, S. (2019). Quantifying and contextualising cyclone-driven, extreme flood magnitudes in bedrock-influenced dryland rivers. Advances in Water Resources, 123, 145-159. doi:10.1016/j.advwatres.2018.11.006

In many drylands worldwide, rivers are subjected to episodic, extreme flood events and associated sediment stripping. These events may trigger transformations from mixed bedrock-alluvial channels characterised by high geomorphic and ecological diver... Read More about Quantifying and contextualising cyclone-driven, extreme flood magnitudes in bedrock-influenced dryland rivers.

Flood energy dissipation in anabranching channels (2018)
Journal Article
Entwistle, N., Heritage, G., & Milan, D. (2018). Flood energy dissipation in anabranching channels. River Research and Applications, 34(7), 709-720. https://doi.org/10.1002/rra.3299

This study examines the character of developing anabranched channel networks on the River Wear, north England using metre-scale aerial LiDAR. DSM-DTM interpretation reveals a well-developed vegetation structure and a locally diverse terrain, dominate... Read More about Flood energy dissipation in anabranching channels.

Recent remote sensing applications for hydro and morphodynamic monitoring and modelling (2018)
Journal Article
Entwistle, N., Heritage, G., & Milan, D. (2018). Recent remote sensing applications for hydro and morphodynamic monitoring and modelling. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 43(10), 2283-2291. doi:10.1002/esp.4378

It is not new to recognise that data from remote sensing platforms is transforming the way we characterise and analyse our environment. The ability to collect continuous data spanning spatial scales now allows geomorphological research in a data rich... Read More about Recent remote sensing applications for hydro and morphodynamic monitoring and modelling.

Morphodynamics of bedrock-influenced dryland rivers during extreme floods: Insights from the Kruger National Park, South Africa (2018)
Journal Article
Milan, D., Heritage, G., Tooth, S., & Entwistle, N. (2018). Morphodynamics of bedrock-influenced dryland rivers during extreme floods: Insights from the Kruger National Park, South Africa. Geological Society of America Bulletin, 130(11-12), 1825-1841. doi:10.1130/B31839.1

High-magnitude flood events are among the world’s most widespread and significant natural hazards and play a key role in shaping river channel-floodplain morphology and riparian ecology. Developing conceptual and quantitative models for the response... Read More about Morphodynamics of bedrock-influenced dryland rivers during extreme floods: Insights from the Kruger National Park, South Africa.

Morphodynamic simulation of sediment deposition patterns on a recently stripped bedrock anastomosed channel (2018)
Journal Article
Milan, D., Heritage, G., Entwistle, N., & Tooth, S. (2018). Morphodynamic simulation of sediment deposition patterns on a recently stripped bedrock anastomosed channel. Proceedings of the International Association of Hydrological Sciences, 377, 51-56. https://doi.org/10.5194/piahs-377-51-2018

Some mixed bedrock-alluvial dryland rivers are known to undergo cycles of alluvial building during low flow periods, punctuated by stripping events during rare high magnitude flows. We focus on the Olifants River, Kruger National Park, South Africa,... Read More about Morphodynamic simulation of sediment deposition patterns on a recently stripped bedrock anastomosed channel.

Controls on spatial and temporal variations in sand delivery to salmonid spawning riffles (2017)
Journal Article
Milan, D. (2017). Controls on spatial and temporal variations in sand delivery to salmonid spawning riffles. Hydrological Processes, 31(12), 2179-2195. https://doi.org/10.1002/hyp.11172

Fine sediment infiltration into gravel interstices is known to be detrimental to incubating salmonid embryos. Infiltration into spawning riffles can show large spatial variations at the scale of a morphological unit and over time, with significant im... Read More about Controls on spatial and temporal variations in sand delivery to salmonid spawning riffles.

Anastomosing reach control on hydraulics and sediment distribution on the Sabie River, South Africa (2014)
Journal Article
Entwistle, N., Heritage, G., Tooth, S., & Milan, D. (2014). Anastomosing reach control on hydraulics and sediment distribution on the Sabie River, South Africa. Proceedings of the International Association of Hydrological Sciences, 367, 215-219 . https://doi.org/10.5194/piahs-367-215-2015

Rivers in the Kruger National Park, South Africa, have variable degrees of bedrock and alluvial influence. Pre-2000 aerial imagery for the Sabie River (catchment area 6320 km2) reveals downstream alternations from alluvial single thread or braided, t... Read More about Anastomosing reach control on hydraulics and sediment distribution on the Sabie River, South Africa.

Long-term flood controls on semi-arid river form: Evidence from the Sabie and Olifants rivers, eastern South Africa (2014)
Journal Article
Heritage, G., Tooth, S., Entwistle, N., & Milan, D. (2014). Long-term flood controls on semi-arid river form: Evidence from the Sabie and Olifants rivers, eastern South Africa. Iahs Publication, 367, 141-146. doi:10.5194/piahs-367-141-2015

Rivers in the Kruger National Park, eastern South Africa, are characterised by bedrock-influenced ‘macrochannels’ containing variable alluvial thicknesses and riparian vegetation assemblages. Evidence from the Sabie and Olifants rivers suggests that... Read More about Long-term flood controls on semi-arid river form: Evidence from the Sabie and Olifants rivers, eastern South Africa.

Magnetic tracing of fine-sediment over pool-riffle morphology (2013)
Journal Article
Milan, D. J., & Large, A. R. (2014). Magnetic tracing of fine-sediment over pool-riffle morphology. CATENA, 115, 134-149. https://doi.org/10.1016/j.catena.2013.11.003

Field studies documenting fine-sediment (< 2 mm) transport in gravel-bed rivers are rare. For the first time in a fluvial environment, a technique that enhances the magnetic susceptibility of sand is used to trace its longitudinal dispersion and s... Read More about Magnetic tracing of fine-sediment over pool-riffle morphology.

Virtual velocity of tracers in a gravel-bed river using size-based competence duration (2013)
Journal Article
Milan, D. J. (2013). Virtual velocity of tracers in a gravel-bed river using size-based competence duration. Geomorphology, 198, (107-114). doi:10.1016/j.geomorph.2013.05.018. ISSN 0169-555X

Virtual velocity (Vi) of river gravels is commonly used to determine sediment transport rates and gravel dispersion dynamics. Virtual velocity is calculated from tracer gravel step-length data as the distance travelled divided by the duration of comp... Read More about Virtual velocity of tracers in a gravel-bed river using size-based competence duration.

Sediment routing hypothesis for pool-riffle maintenance (2013)
Journal Article
Milan, D. J. (2013). Sediment routing hypothesis for pool-riffle maintenance. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 38(14), 1623-1641. doi:10.1002/esp.3395

This paper provides comprehensive evidence that sediment routing around pools is a key mechanism for pool-riffle maintenance in sinuous upland gravel-bed streams. The findings suggest that pools do not require a reversal in energy for them to scour o... Read More about Sediment routing hypothesis for pool-riffle maintenance.

Geomorphic impact and system recovery following an extreme flood in an upland stream: Thinhope Burn, northern England, UK (2012)
Journal Article
Milan, D. J. (2012). Geomorphic impact and system recovery following an extreme flood in an upland stream: Thinhope Burn, northern England, UK. Geomorphology, 138(1), (319-328). doi:10.1016/j.geomorph.2011.09.017. ISSN 0169-555X

Quantitative assessments of the impacts of extreme floods on channel morphology are rare. Real Time Kinematic (RTK) GPS surveys of a 500-m reach of the Thinhope Burn, an upland gravel-bed stream in the UK, taken in 2003 and 2004 permitted an assessme... Read More about Geomorphic impact and system recovery following an extreme flood in an upland stream: Thinhope Burn, northern England, UK.

Filtering spatial error from DEMs: implicatons for morphological change estimation (2010)
Journal Article
Milan, D. J., Heritage, G. L., Large, A. R. G., & Fuller, I. C. (2011). Filtering spatial error from DEMs: implicatons for morphological change estimation. Geomorphology, 125(1), (160-171). doi:10.1016/j.geomorph.2010.09.012. ISSN 0169-555X

Scour and fill estimation from digital elevation model (DEM) subtraction or differencing is an increasingly common technique in morphological and sediment transport investigations. The technique is commonly used to estimate scour and fill volumes and... Read More about Filtering spatial error from DEMs: implicatons for morphological change estimation.

Mapping hydraulic biotopes using terrestrial laser scan data of water surface properties (2010)
Journal Article
Milan, D., Heritage, G., Large, A., & Entwistle, N. (2010). Mapping hydraulic biotopes using terrestrial laser scan data of water surface properties. Earth surface processes and landforms : the journal of the British Geomorphological Research Group, 35(8), 918-931. doi:10.1002/esp.1948

For more than a decade, habitat mapping using biotopes (in-channel hydraulically-defined habitats) has underpinned aquatic conservation in the UK through (a) providing baseline information on system complexity and (b) allowing environmental and ecolo... Read More about Mapping hydraulic biotopes using terrestrial laser scan data of water surface properties.

Influence of survey strategy and interpolation model on DEM quality (2009)
Journal Article
Heritage, G. L., Milan, D. J., Large, A. R., & Fuller, I. C. (2009). Influence of survey strategy and interpolation model on DEM quality. Geomorphology, 112(3-4), (334-344). doi:10.1016/j.geomorph.2009.06.024. ISSN 0169-555X

Accurate characterisation of morphology is critical to many studies in the field of geomorphology, particularly those dealing with changes over time. Digital elevation models (DEMs) are commonly used to represent morphology in three dimensions. The q... Read More about Influence of survey strategy and interpolation model on DEM quality.


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