Evaluating the geomorphic response from sand fences on dunes impacted by hurricanes

Harris, Michelle E.; Ellis, Jean T.; Barrineau, Patrick

doi:10.1016/j.ocecoaman.2020.105247

Cited by 12 publications

(9 citation statements)

References 21 publications

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“…A low-cost rapid deployment method for estimating dune volume was used at Site A (cf. Harris, Ellis, and Barrineau, 2020). Five dune surveys were conducted: 11 September 2018, 18 September 2018, 13 October 2018, 16 December 2018, and 26 January 2019.…”

Section: Methodsmentioning

confidence: 99%

“…Five shore-perpendicular transects were spaced 5.5 m apart over a shore-parallel length of 22 m. Transects spanned from the landward vegetation line to the seaward dune toe using a measuring tape and PVC pole to measure dune width, height, and slope length. A previously published methodology (Harris, Ellis, and Barrineau, 2020) was used to calculate dune volume with an estimated error of 60.5 m 3 .…”

Section: Methodsmentioning

confidence: 99%

“…The geomorphic history of the beach-dune system on IOP has been accentuated by TC impacts (Bruun, 1998;Coch and Wolff, 1991;Ellis et al, 2020a,b;Ellis and Román-Rivera, 2019;Harris, Ellis, and Barrineau, 2020;Katuna, 1991;Tereszkiewicz, Ellis, and Gould, 2019;Thieler and Young, 1991). The barrier island averages 1.6 TCs per year, including nine named storm trajectories passing within 100 km from 2009 to 2019 (NOAA, 2020b).…”

Section: Field Sitesmentioning

confidence: 99%

“…Hugo removed the primary dune line and resulted in 14 to 20 m of dune recession on IOP, which was most significant at the island's extreme ends and center (Bruun, 1998;Katuna, 1991). Since then, research has documented the impacts of Hurricanes Matthew (2016), Irma (2017), Florence (2018), and Michael (2018) on the IOP dune systems (Ellis et al, 2020a,b;Ellis and Romá n-Rivera, 2019;Harris, Ellis, and Barrineau, 2020;Tereszkiewicz, Ellis, and Gould, 2019).…”

Section: Field Sitesmentioning

confidence: 99%

“…They are within the portion of the island that was scraped in 2017 to create mechanical dunes, herein ''dunes.'' Lastly, Sites A and B are part of a more extensive longitudinal (multiyear) study conducted in cooperation with city officials to assess the poststorm recovery of dunes along IOP (Ellis et al, 2020a,b;Ellis and Román-Rivera, 2019;Harris, Ellis, and Barrineau, 2020;Tereszkiewicz, Ellis, and Gould, 2019).…”

Section: Field Sitesmentioning

confidence: 99%

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Comparing Tropical Cyclone and King Tide Impacts on a South Carolina Coastal Dune System

Harris

Ellis

2021

Journal of Coastal Research

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Coastal populations face an ever-growing threat as natural hazards increase in frequency and magnitude. In South Carolina, king tides (abnormally high tides) responsible for coastal flooding have increased by 126% between 2014 and 2019. King tides present an evolving threat as sea levels rise, yet the implications for coastal dune response have not been investigated. This study compares the geomorphic impacts from king tides to two tropical cyclones on a South Carolina barrier island during four time periods (TPs): Hurricanes Florence (TP1) and Michael (TP2) and two subsequent periods (TP3 and TP4) with king tides but devoid of tropical cyclone activity. Florence resulted in the greatest average change to the dunes, with normalized volumes (nv) equivalent to À11.6 m 3 /d. During Michael, the average change rate was nv ¼ À1.5 m 3 /d. Dune changes during TP3 and TP4 averaged nv ¼ À1.7 m 3 /d and nv ¼ À2.3 m 3 /d, respectively. The reduction rate during nonstorm conditions is indicative of the erosive potential of king tides. The erosive potential should be further investigated in conjunction with king tide magnitude and frequency. Smaller, more pervasive coastal hazards, such as king tides, should be more strongly considered, in addition to larger singular events, such as tropical cyclones, when investigating the geomorphic change of coastal dune systems.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Field Sitesmentioning

confidence: 99%

Section: Field Sitesmentioning

confidence: 99%

Section: Field Sitesmentioning

confidence: 99%

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Comparing Tropical Cyclone and King Tide Impacts on a South Carolina Coastal Dune System

Harris

Ellis

2021

Journal of Coastal Research

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The windbreak effects of organic fence made from branches of Salix psammophila in Hobq Desert

Zhang,

Li,

Cui

et al. 2024

Land Degrad Dev

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Salix sand barriers have been widely used in arid and semi‐arid regions of northern China as an environmentally friendly approach to control wind erosion. However, the inherent variability in length and thickness of Salix branches complicates achieving the desired fence porosity, typically resulting in an error of approximately 10% or more. This defect affects the fence's wind protection, thereby limiting their broader application. To address these challenges, we conducted a field experiment in the Hobq Desert, where we established Salix fences with porosities of 23%, 37%, and 44%, and measured the airflow velocities around these fences. The results indicated that the fence with 37% porosity exhibited the most effective sheltering effect, providing a protection distance up to 7.14 times of the fence height. A total of 44% porosity fences are also reasonably effective for practical purposes. On the other end of the spectrum, fences with 23% porosity demonstrated a better sediment interception than its high porosity peers, achieving an interception rate of 81.46%. Therefore, we conclude that organic fences made from Salix branches can serve as efficient windbreaks. Our findings provide foundational data for the application of organic fences in arid and semi‐arid regions of northern China, and potentially similar environments globally.

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Evolution law of wind-sand flow field of multi-row reed sand barriers and optimal spacing

An,

Cheng,

Ding

et al. 2023

Nat Hazards

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Evaluating the geomorphic response from sand fences on dunes impacted by hurricanes

Cited by 12 publications

References 21 publications

Comparing Tropical Cyclone and King Tide Impacts on a South Carolina Coastal Dune System

Comparing Tropical Cyclone and King Tide Impacts on a South Carolina Coastal Dune System

The windbreak effects of organic fence made from branches of Salix psammophila in Hobq Desert

Evolution law of wind-sand flow field of multi-row reed sand barriers and optimal spacing

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