Accuracy and Limitations of Airborne LiDAR Surveys in Coastal Environments

Xhardé, Régis; Long, Bernard; Forbes, Donald L.

doi:10.1109/igarss.2006.625

Cited by 24 publications

(27 citation statements)

References 6 publications

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“…The LiDAR data was collected in 2007 and 2008 at 1 m and 2 m spatial resolution. Accompanying metadata indicates survey points are within ±0.15 m vertical accuracy [46], although an absolute error of ±0.30 m is often quoted [47,48]. For the hydraulic modelling method, shoreline flood defences were masked from the DEM, which was re-sampled from its original 1 m and 2 m resolution to 50 m cells; using a bilinear interpolation technique recommended for floodplain modelling [49,50].…”

Section: Regional Topography Water Level and Defence Datasetsmentioning

confidence: 99%

Coastal Flooding in the Solent: An Integrated Analysis of Defences and Inundation

Wadey

Nicholls

Hutton

2012

Water

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This paper demonstrates a methodology for integrating existing models for the rapid simulation of coastal flood events across a large and varied case study area on the UK south coast. Following validation against observations from real coastal floods, synthetic events driven by realistic waves and water levels and the full range of failure mechanisms were modelled for a range of loadings to generate peak flood water depths and an overview of impacts across this spectrum of possible floods. Overtopping is relatively important compared to breaching as coastal floodplains are small. This modelling system supports multiple potential applications, such as planning flood warnings, coastal defence upgrade, and land use, including under sea-level rise. The concepts drawn from this study are transferable to similar coastal regions.

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Section: Regional Topography Water Level and Defence Datasetsmentioning

confidence: 99%

Coastal Flooding in the Solent: An Integrated Analysis of Defences and Inundation

Wadey

Nicholls

Hutton

2012

Water

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“…Lidar enables the rapid collection of very accurate elevation data over large areas, and during the first decade of the new century, airborne laser altimetry has been widely applied to map coastal geomorphology, leading to improved knowledge of coastal geomorphic processes (Brock et al, , 2004Sallenger et al, 1999Sallenger et al, , 2003Sallenger, Wright, and Lillycrop, 2007). Moreover, applications to coastal hazard prediction and mitigation, dune, forest and wetland ecology, and benthic structure and ecosystem function have arisen (Slatton et al, 2007;Xhardé, Long, and Forbes, 2006).…”

Section: Introductionmentioning

confidence: 99%

Synergy of Airborne Digital Camera and Lidar Data to Map Coastal Dune Vegetation

Kempeneers¹,

Deronde

Provoost

et al. 2009

Journal of Coastal Research

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“…Good Very good Excellent Range 1 < k ≤ 10 md 10 < k ≤ 100 md 100 < k ≤ 1000 md k > 1000 ontories (e.g., Xharde et al 2006;Sturzenegger et al 2007). At the study area, these features result from shore-based processes that include wave action and freeze-thaw cycles along exposed rock faces.…”

Section: Rank Fairmentioning

confidence: 99%

Analysis of factors influencing the interpretation of a digitally examined fluvial meanderbelt system: Joggins Formation, Nova Scotia

Kelly

Wach

2020

Can. J. Earth Sci.

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Clastic reservoir exploration, development, and exploitation are inherently complex with recovery depending largely on the understanding of sand body architecture and interlayered clayey/silty baffles and barriers. Numerous data collection techniques and methods are now widely available for helping to enrich reservoir outcrop analogue data extraction from the well scale to the larger seismic scale. This integrated study uses the inherited, combined data from a localized light detection and ranging survey, measurements taken from a portable handheld spectrometer and air permeameter, in addition to total (or absolute) porosity measurements from thin sections to assist with the analysis of components influencing the interpretation of a digitally analyzed fluvial meanderbelt system outcrop. The purpose is not to perform a detailed reservoir characterization or to model a potential reservoir, but rather to study a section of a reservoir analogue and apply reservoir geology with integrated data collection techniques to highlight potential benefits and shortcomings of this type of approach. A point cloud survey generated from light detection and ranging, coupled with other tools including a portable handheld spectrometer and permeameter, supplements data from the light detection and ranging scan and increases the confidence of interpretations. Spectrometer measurements recorded at the outcrop are used to generate a pseudo-gamma log. Handheld air permeameter measurements give a sense of the permeability of corresponding lithologies, as well as the variability in permeability of the reservoir both laterally and vertically. Light detection and ranging also provides important information regarding rock properties. The high detail of the outcrop images is used for the assessment of reservoir characteristics. The reservoir data leads to an increased understanding of subsurface reservoirs, particularly of the fluvial meanderbelt type. This study shows the importance and drawbacks of a combined digital data collection approach for the analysis of a sedimentary outcrop.

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Accuracy and Limitations of Airborne LiDAR Surveys in Coastal Environments

Cited by 24 publications

References 6 publications

Coastal Flooding in the Solent: An Integrated Analysis of Defences and Inundation

Coastal Flooding in the Solent: An Integrated Analysis of Defences and Inundation

Synergy of Airborne Digital Camera and Lidar Data to Map Coastal Dune Vegetation

Analysis of factors influencing the interpretation of a digitally examined fluvial meanderbelt system: Joggins Formation, Nova Scotia

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