Impact of port development on the northern Yucatan Peninsula coastline

Franklin, Gemma L.; Medellín, Gabriela; Appendini, Christian M.; Gómez, José Jorge Aranda; Torres-Freyermuth, Alec; González, José López; Ruíz-Salcines, Pablo

doi:10.1016/j.rsma.2021.101835

Cited by 17 publications

(11 citation statements)

References 31 publications

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“…Bypassing the sediment deposited at the updrift jetty can be one of the good solutions to solve downdrift coastal erosion (Garel et al, 2014(Garel et al, , 2015Franklin et al, 2021). Downdrift erosion can extend 8 to 10 times the length of the protrusion of a coastal structure (Kudale, 2010).…”

Section: Discussionmentioning

confidence: 99%

Intertidal intercepted sediment at jetties along the Gulf of Thailand

et al. 2022

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Sand bypassing is one of the promising solutions to rectify jetty-induced coastal erosion. Estimating alongshore sediment transport rate and understanding hydrodynamic conditions at a jetty are crucial for successful downdrift erosion management. This research investigated three major jetties in Thailand (Cha Am jetty, Krai jetty, and Na Saton jetty) that protrude across the surf zone and completely intercept alongshore sediment transport. Sub-aerial and inter-tidal field surveys by Real Time Kinematic (RTK) technique were undertaken in 2019 and 2020. The collected data was processed and overlaid to calculate the amount of sediment deposition at the updrift jetty. Numerical simulations using MIKE21 SW and MIKE21 HD were carried out in order to understand how waves and water currents interacted with the jetties. From the results, we found that the Cha Am jetty trapped approximately 38,187 cu.m/yr of the alongshore sediment. While the Krai jetty intercepted approximately 34,170 cu.m/yr of the alongshore drift, and approximately 65,951 cu.m/yr of longshore sediment transport was blocked by the Na Saton jetty. Such estimated amounts of deposited sediment are the quantities that should be bypassed at each jetty. Budgets and implementation plans for sand bypassing can be prepared. Decision makers can decide how to manage updrift deposition and downdrift erosion.

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Section: Discussionmentioning

confidence: 99%

Intertidal intercepted sediment at jetties along the Gulf of Thailand

et al. 2022

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“…To the authors' knowledge, these ports all suffer from sand blockage. This has been reported by Franklin et al (2021) [25] for the port of Sisal where siltation is a problem since there are no robust preventive coastal management plans, and the channel is dredged until navigation and ecological problems are generated due to this blockage.…”

Section: Study Sitementioning

confidence: 93%

“…In the last 30 years, 12 small ports have been developed in the Yucatan Peninsula; these were developed without considering the morphological effects due to wave and tidal climate [25]. The aim of this paper is to evaluate the growth and evolution of the sand spit at the port of Sisal using (a) fixed-camera and orthorectified UAV imagery compared to on-foot DGPS measurements, (b) the cumulative wave energy flux, and (c) cumulative longshore sediment transport during the study time periods.…”

Section: Introductionmentioning

confidence: 99%

Characterization of the Morphological Behavior of a Sand Spit Using UAVs

Paladio-Hernandez¹,

Salles

Arriaga

et al. 2022

JMSE

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Sand spits are common in wave-dominated environments; with enough sand supply, they can evolve to affect circulation and navigation in channels or inlets. The focus of this paper is on the navigation channel of the Sisal Port, located on the northwestern Yucatan Peninsula (YP) coast, where a sand spit grew and was monitored from its formation (June 2018) until navigation was practically blocked (November 2018). The YP coast is characterized as being microtidal, with significant wave heights ranging from 0.1 to 0.4 m (April to September), and in the presence of high energy events (cold fronts and storms), waves can reach heights of up to 2.5 m offshore at 10 m depth (October to February). Prior to the beginning of UAV surveys, we used photos (June–July 2018) from a stationary field camera and hydrodynamic data from models (WaveWatch III for waves and MARV software for tidal levels) to generate a qualitative description of the sand spit in the channel. Combining products from UAVs flights (DEMs) and hydrodynamic measurements (wave energy flux), we characterized the behavior and response of the sand spit, from its formation near the jetty head, through its consolidation in October 2018, to when a cold front with HS ∼2.5 m breached it in mid-November. The results show that spit formation takes place during calm conditions (e.g., periods dominated by sea breezes), and depending on the energy threshold of high energetic events, this new spit will consolidate or be breached. Migration of the spit is related to overwash events and changes in wave direction. The presented methodology provides a well-rounded tool for characterizing the morphological behavior of spits on a shallow coast, which can be useful for improving coastal management.

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“…The sea breezes generate short-period NE waves, inducing a persistent westward alongshore circulation [33] and a significant (30,000-60,000 m 3 /year) net westward sediment flux [34]. Field data from the period 2015-2020 show beach progradation at a rate of ∼6 m/year close (east) to the jetty and lower rates farther away from the structure [35,36]. The cold fronts, also known as Central American Cold Surge (CACS) events and occurring in fall-winter, generate northerly swell which is efficiently dissipated by the wide and shallow continental shelf [37].…”

Section: Study Sitementioning

confidence: 99%

Shoreline Detection Accuracy from Video Monitoring Systems

Arriaga

Medellín

Ojeda

et al. 2022

JMSE

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Video monitoring has become an indispensable tool to understand beach processes. However, the measurement accuracy derived from the images has been taken for granted despite its dependence on the calibration process and camera movements. An easy to implement self-fed image stabilization algorithm is proposed to solve the camera movements. Georeferenced images were generated from the stabilized images using only one calibration. To assess the performance of the stabilization algorithm, a second set of georeferenced images was created from unstabilized images following the accepted practice of using several calibrations. Shorelines were extracted from the images and corrected with the measured water level and the computed run-up to the 0 m contour. Image-derived corrected shorelines were validated with one hundred beach profile surveys measured during a period of four years along a 1.1 km beach stretch. The simultaneous high-frequency field data available of images and beach surveys are uncommon and allow assessing seasonal changes and long-term trends accuracy. Errors in shoreline position do not increase in time suggesting that the proposed stabilization algorithm does not propagate errors, despite the ever-evolving vegetation in the images. The image stabilization reduces the error in shoreline position by 40 percent, having a larger impact with increasing distance from the camera. Furthermore, the algorithm improves the accuracy on long-term trends by one degree of magnitude (0.01 m/year vs. 0.25 m/year).

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Impact of port development on the northern Yucatan Peninsula coastline

Cited by 17 publications

References 31 publications

Intertidal intercepted sediment at jetties along the Gulf of Thailand

Intertidal intercepted sediment at jetties along the Gulf of Thailand

Characterization of the Morphological Behavior of a Sand Spit Using UAVs

Shoreline Detection Accuracy from Video Monitoring Systems

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