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Finkl, C.W. and Makowski, C., 2020. Coastal Belt Linked Classification (CBLC): A system for characterizing the interface between land and sea based on large marine ecosystems, coastal ecological sequences, and terrestrial ecoregions. Journal of Coastal Research, 36(4), 677–693. Coconut Creek (Florida), ISSN 0749-0208.
The Coastal Belt Linked Classification (CBLC) is a novel approach based on interpretation of satellite images and assimilation of collateral data to characterize coastal belt segments that function as discrete interfaces between land and sea. This method is based on the formulation of concepts derived from the Biophysical Cross-shore Classification System (BCCS), the worldwide and regional-scale Large Marine Ecosystems (LME) classification, and the global distribution of terrestrial Ecoregions (ER). The coastal belt, a zone that extends across the shore from marine environments to inland terrestrial habitats, has recently been described in terms of cross-shore catenary sequences based on biophysical attributes of geomorphology and ecology. The CBLC formulates a cross-shore coastal classification by conjoining the Dominant Catenary Sequences (DCS) and Coastal Ecological Sequences (CES) with marine (LME) and terrestrial (ER) ecological systems; thus, a linkage is now provided between marine and terrestrial areas across coastal belts that function as transitional succession zones. This study proposes to combine the traditionally separated tripartite marine, coastal, and terrestrial delineations by melding them into a single descriptive code sequence that can be ascertained from interpretation of Google Earth satellite imagery and accessing collateral data via interactive LME and ER online platforms. Development of the CBLC is facilitated by the fact that LME and ER units are codified by numerals that are easily added to the formulated CES as prefixes and suffixes. The resulting combined alphanumeric code brings together a trove of information at different levels of investigation (Levels I – IV) that was heretofore not easily assimilated. This linkage of DCS and CES catenas with marine LME and terrestrial ER units brings added advantage to the interpretation of satellite imagery of the world's coasts, as it allows coastal belts to be viewed within the context of transitional interfaces between connected marine and terrestrial parameters. Recognition of coastal belts as interfacial bridges linking terrestrial and marine ecosystems into one codified descriptor sequence allows for cross-shore transects to be defined in the form of the Coastal Belt Linked Classification (CBLC) and provides an opportunity to fully comprehend the dynamic nature of coastal zones around the world.
Psuty, N.P.; Ames, K.; Liu, G., and Habeck, A., 2020. Interactive geomorphological resilience of sediment pathways and coastal features, post-Hurricane Sandy, Fort Tilden, New York. Journal of Coastal Research, 36(4), 694–708. Coconut Creek (Florida), ISSN 0749-0208.
Geomorphological resilience is an essential concept in dynamic coastal systems, incorporating the recovery and regeneration of the dune/beach system and the interaction between these systems, anthropogenic forces, and ecological factors. Recovery of the coastal geomorphological system at the Fort Tilden site after Hurricane Sandy was influenced by the wooden bulkhead and the variety of groins interacting with the sediment budget. Monitoring of the recovery revealed that the alongshore coastal dune/beach system response (one-dimensional, two-dimensional, and three-dimensional metrics) was strongly related to the 11 groin sectors and that the total volume losses increased downdrift. Hurricane Sandy resulted in a general inland displacement of the dune feature along the entire site, mean of –32 m, and a landward displacement of the shoreline, mean of –3 m. There was a volumetric loss of 81,000 m3; 29,000 m3 of this was from the dune feature. Post-Sandy to Fall 2018, the dune was displaced 2 m seaward and had a volumetric gain of 10,580 m3. Comparison of the dune displacement and sediment budget metric indicated that through the six-year recovery period, the dune feature was accumulating sediment but that it was not shifting seaward to its former position despite updrift beach nourishment totaling ∼3,180,000 m3 in the period 2010–18. The inland displacement and retention of the beach-dune system under a negative sediment budget is consistent with geomorphological theory, indicating a geomorphological resilience to rebuild while shifting inland. Accordingly, the former position of Shore Road along Fort Tilden is deemed unsuitable for reconstruction in place because of increased exposure in the Post-Sandy environment.
Black, K.P.; Reddy, K.S.K.; Kulkarni, K.B.; Naik, G.B.; Shreekantha, P., and Mathew, J., 2020. Salient evolution and coastal protection effectiveness of two large artificial reefs. Journal of Coastal Research, 36(4), 709–719. Coconut Creek (Florida), ISSN 0749-0208.
Two offshore reefs constructed at Ullal, Karnataka, on India's west coast, are exhibiting coastal protection benefits. The reefs are large (275 m and 325 m long) and uniquely placed well offshore (600 m and 760 m) in intermediate depths (6 and 7 m below chart datum). Their crests are between low-tide and midtide level. Bathymetric and beach surveys show that sand has accumulated to form two evolving shoreline salients, which are currently 2–3 times the length of the reefs. The salients have grown underwater on the inner shelf to create a large sand-retention zone up to 1 m thick and stretching from the beach to the distant lee of the reefs. The reefs are the first protection structures that have restored the beaches and enhanced sand storage over this broad, severely eroded region, both inshore and on the inner shelf. Prior rubble-mound rock revetments (seawalls) and 50–70-m-long groynes failed to restore the beach in stormy monsoon conditions, while the inner shelf continued to erode. The reefs were designed using a combination of computer simulations, measurements of natural salients in India, and empirical relationships. The methodology that led to the reef shapes/sizes and their position offshore is discussed, along with monitoring results.
Chiba, T. and Nishimura, Y., 2020. Using diatom assemblages to infer topographical changes from storm-induced sandbar breaching in Horokayanto Lagoon, Hokkaido, Japan. Journal of Coastal Research, 36(4), 720–731. Coconut Creek (Florida), ISSN 0749-0208.
The sandbar of Horokayanto Lagoon, a sandbar-fronted lagoon on the coast of eastern Hokkaido, Japan, was partly breached, and the bottom was partly exposed during severe weather in June 2016. After the breach, the mean lagoon level fell to about 1.2 m above Tokyo Peil, equivalent to the height of the mean higher-high tide level. Field surveys were conducted on 2, 23, and 30 June 2016 to examine topographical changes in the Horokayanto area. Four diatom-assemblage groups were identified from samples collected during this fieldwork: marsh, emerged lagoon bottom, lagoon bottom, and seashore groups. The assemblages showed good consistency with the salinity and sediment properties at each location. The high-tide-level indicator Pseudopodosira kosugii was recognized in the emerged lagoon-bottom assemblage, together with freshwater–brackish and brackish–marine species. Living P. kosugii colonies had previously been recognized only in the lower reaches of the Obitsu River, Chiba Prefecture, Japan, although the species is widespread in Holocene sediments in Japan and other countries. Reworked Neogene diatoms were also detected in the assemblages. These diatoms were presumably derived from nearby Neogene basement rocks, such as the Taiki Formation, which were eroded by current inflow into the lagoon during the severe weather. During the period of emergence, seawater might have been transported into Horokayanto Lagoon by high waves generated by an atmospheric low-pressure system. Water pressure or moisture changes caused by the emergence, changes in light quantum density and ultraviolet rays, or changes in water quality, such as in salinity and pH, or a mixture of these factors, may have influenced the increase in abundance of P. kosugii.
Volto, N. and Duvat, V.K.E., 2020. Applying directional filters to satellite imagery for the assessment of tropical cyclone impacts on Atoll Islands. Journal of Coastal Research, 36(4), 732–740. Coconut Creek (Florida), ISSN 0749-0208.
This paper highlights the major insights provided by directional filters using ENVI® software for detecting and mapping cyclone-generated accretional features and analyzing postcyclone sediment reworking. It relies on the study of the impacts of category 5 tropical cyclone Fantala (April 2016) on Farquhar Atoll, Seychelles Islands. Using directional filters first allowed the detecting and mapping of terrestrial (sediment sheets, sediment lobes) and intertidal (shingle and rubble tongues, sediment sheets, sandbars) depositional features. It also helped with highlighting spatial-temporal variations in the postcyclone reorganization of reef flat deposits. One year after the cyclone, along the rectilinear shoreline of elongate islands (i.e. North Island and South Island), massive reef-to-island sediment transfer had already caused the dismantling of cyclone-generated features and beach readjustment; however, in places, newly formed cyclone features exhibited limited dismantling. In contrast, at the island tips, the reworking of postcyclone sediment deposits was still ongoing, explaining still rather limited beach readjustment. The results advocate for the use of remote sensing techniques that complement fieldwork and multidate shoreline change assessment to promote more comprehensive analyses of tropical cyclones' impacts.
Seftianingrum, R.; Suwasono, R.A.; Sulistioadi, Y.B.; Suhardiman, A., and Diana, R., 2020. Floral composition of the Kayan-Sembakung Delta in North Kalimantan (Indonesia) in different disturbance regimes. Journal of Coastal Research, 36(4), 741–751. Coconut Creek (Florida), ISSN 0749-0208.
This paper presents the results of a preliminary study that identify the floral composition of the Kayan-Sembakung Delta in North Kalimantan under different disturbance regimes. The landforms described in the Regional Physical Planning Project for Transmigration in Indonesia land-system map were evaluated to define the mangrove ecosystem boundary. The mangrove ecosystem disturbance levels distinguished by reclassifying the land-cover map of the mangrove ecosystem into four categories, i.e. heavily disturbed mangrove (represented by shrimp ponds abandoned five years ago or less), moderately disturbed mangrove (represented by shrimp ponds abandoned more than five years ago), regrown (secondary) mangrove forest (that may have been logged for wood but did not experience terrain alteration for fishpond development), and relatively undisturbed (primary) mangrove forest. A vegetation survey was conducted in several transects for each of these categories. Basal area, density, species diversity, and abundance of species in each location were calculated to understand the floral composition of the mangrove ecosystem. The study reveals that the mangrove forest in the Simanggaris River has the highest total basal area of 44.50 m2/ha, as well as the highest tree density of 1635 individual/ha, which indicates the most dense and mature remaining mangrove forest followed by the Sikang River near Liago Village with 85.75% of canopy cover. The heavily degraded mangrove ecosystem in Ibus Island has the highest importance value index of 278.89%, with Sonneratia sp. as the dominant species. The Kayan-Sembakung Delta hosts at least six original mangrove species, i.e. Rhizophora apiculata, Osbornia octodonta, Lumnitzera littorea, Avicennia sp, Rhizophora sp, and Sonneratia sp. In addition to the six original mangrove species listed, the inner part of the Kayan Delta also has several forest patches dominated by Nypa fruticans, whereas some parts of the Delta host a mixed vegetation composition between freshwater and brackish water ecosystems.
Srineash, V.K.; Kamath, A.; Murali, K., and Bihs, H., 2020. Numerical simulation of wave interaction with submerged porous structures and application for coastal resilience. Journal of Coastal Research, 36(4), 752–770. Coconut Creek (Florida), ISSN 0749-0208.
The study of wave interaction with porous structures is essential as coastal structures are often porous in nature because of their prominent energy dissipation characteristics. The present work is focused on the numerical modeling of wave interaction with submerged porous structures, which are often classified as reef breakwaters and low-crested structures. Numerical modeling of wave interaction with porous structures is considered to be a challenge for researchers because of the complexities associated with it. The present study numerically investigates the wave interaction process through the porous media by representing the porous media using Volume-averaged Reynolds-Averaged Navier–Stokes (VRANS) equations. For the study, an open-source RANS-based computational fluid dynamics tool, REEF3D, has been used for numerical modeling. The study also consists of experiments that are used for validating the numerical model. The numerical results for the free-surface elevation and the hydrodynamic pressure are compared with the experimental measurements and found to be in good agreement. The numerical study is extended to different crest widths of the structure and varying wave parameters to investigate the effects of various dimensionless parameters affecting wave transmission. The frequency-domain analysis is performed to investigate the energy distribution of the incident and transmitted waves. Finally, the utility of the numerical model adopting VRANS equations has been demonstrated for climate-change mitigation studies. This has been carried out by studying the effects of pressure reduction on a vertical seawall due to the presence of a porous reef breakwater in the sea side. Pressure reduction up to 32% is calculated because of the presence of the porous structure in front of the seawall and this demonstrates the application of reef breakwaters for coastal resilience studies. Such investigations are useful in protecting the existing coastal structures prone to severe wave conditions exceeding the design limits.
Smith, S.M., 2020. Salt marsh migration potential at Cape Cod National Seashore (Massachusetts, U.S.A.) in response to sea-level rise. Journal of Coastal Research, 36(4), 771–779. Coconut Creek (Florida), ISSN 0749-0208.
Salt marshes can adjust to sea-level rise (SLR) through vertical elevation gain and horizontal expansion into terrestrial environments. The latter depends on the topography of adjacent uplands and the availability of suitable substrate for halophyte colonization. Within Cape Cod National Seashore (CCNS), calculations of marsh migration potential in response to 1-m of SLR were completed using ArcGIS (version 10.4) based on real-time kinematic GPS marsh elevations, local tide data, land-use, and upland topography derived from 2011 LIDAR scans of CCNS. These estimates were combined with marsh-loss predictions from a previous study within their present-day footprint under the same SLR scenario. The results suggest that individual marshes will respond quite disparately, as dictated by their position in the tidal frame, adjacent terrestrial slopes, land-use, and barrier-beach losses. Most sites are expected to gain or lose relatively small amounts of marsh area under few or no migration constraints. However, there could be a large increase (∼144–240 ha) at one site and an almost a complete loss at another (∼260–290 ha). Where migration was constrained to slopes ≤1%, opportunities for marsh expansion diminished the most—even more so when barrier-beach losses are simulated. Overall, losses at five marsh sites were offset by gains at Hatches Harbor and Pleasant Bay, Massachusetts, such that the total area of salt marsh actually increases with 1-m of SLR, except under the strictest slope constraints. Changes in the spatial distribution and total extent of salt marsh within the CCNS will influence both the quality and quantity of ecosystem services they provide. For coastal land managers, understanding the potential for overland marsh migration is critical for the kind of land-use planning that accommodates these transitioning salt marshes.
Bunicontro, M.P.; Marcomini, S.C., and López, R.A., 2020. Coastal morphology and human intervention in Golfo Nuevo, Patagonia Argentina. Journal of Coastal Research, 36(4), 780–794. Coconut Creek (Florida), ISSN 0749-0208.
The Patagonian coastal zone is a complex and dynamic macrotidal environment that is sparsely urbanized, except locally where large cities are located. This human occupation has affected the natural beach dynamics and induced drastic coastal changes in the past 40 years that demand a redirection of initiatives to provide a basis for management efforts. This study analyzes the coastal morphology and beach characteristics of Golfo Nuevo (Chubut, Argentina) for modelling coastal behaviour through field measurements along 17 beach profiles. Beaches were classified into four types according to their sediment grain size, morphology, and morphometric parameters (beach width and gradient). Also, the coast was divided into five categories according to the coastline morphologies and environmental quality: (1) littoral pediments, (2) cliff-top dunes and aeolian ramps, (3) active cliffs, (4) beach ridge terraces, and (5) dunes. Additionally, different human interventions were analyzed to determine how they have affected the natural coastal equilibrium. The coast was divided into low, moderate, and high levels of intervention according to the status of the landscape modification. The most shocking activities were identified as mining (gravel and sand extraction), coastal armouring with hard defences, and urban building. Indeed, the most affected and vulnerable coastal areas have been beach ridge terraces and coastal dunes. It was determined that the coastal extension affected by these human activities reaches at least 37% of the study zone, increasing beach and coastal erosion susceptibility. The coastal classification and the evaluation of human intervention were combined and used to perform an accurate zoning map of the coastal environment. This map represents an essential tool for decision makers of Puerto Madryn city, showing clearly the most vulnerable places where coastal planning strategies urgently need to be applied for a sustainable use of resources.
Christiane S. de Souza, Laura R. da Conceição, Tamires S. S. Freitas, Igor L. Aboim, Ralf Schwamborn, Sigrid Neumann-Leitão, Paulo de O. Mafalda Junior
de Souza, C.S.; da Conceição, L.R.; Freitas, T.S.S.; Aboim, I.L.; Schwamborn, R.; Neumann-Leitão, S., and Mafalda, P.d.O., Jr., 2020. Size spectra modeling of mesozooplankton over a tropical continental shelf. Journal of Coastal Research, 36(4), 795–804. Coconut Creek (Florida), ISSN 0749-0208.
Size spectra analysis is a useful way of studying biomass and energy flow in ecosystems across trophic levels. The size spectrum reflects a balance of energy and matter between gains through growth and recruitment and losses though mortality in a size-structured community. Therefore, changes in biomass and normalized biomass size spectrum (NBSS) slope and intercept between time or environment can be used to assess the energy transfer efficiency within ecosystems. Linear models were developed to analyze zooplankton biomass and community size structure for the narrow continental shelf and shelf break off Salvador, Brazil, using samples that were collected during 10 oceanographic cruises, from April 2013 to October 2014, and analyzed with a ZooScan. Three descriptors of zooplankton size spectra were examined: size diversity, NBSS slope, and intercept. Copepods were always dominant in abundance. Size spectra varied considerably along a short coast-to-offshore transect of 17 km. The pattern of spatial change presented a predominance of larger size fractions nearshore (flat NBSS slope, –0.56) and the predominance of smaller sized organisms in oceanic waters (steep NBSS slope, –0.88). This gradient was mostly due to the higher abundance of large (>5 mm equivalent spherical diameter) gelatinous organisms (mainly hydromedusae) nearshore. The results suggest that the tropical zooplankton community at the continental shelf off Salvador was characterized by low productivity and low trophic efficiency, especially offshore. Although copepods were dominant in numbers, large-sized gelatinous predators were the key structuring zooplankton taxon in this area.
Nguyen, T.H.T.; Park, S.W., and Ahn, J., 2020. Properties of rising multiple CO2 droplets under contamination of SO2: Understanding scenarios of leakage to seawater. Journal of Coastal Research, 36(4), 805–811. Coconut Creek (Florida), ISSN 0749-0208.
Research on impacts of impurities on the rising of liquid droplets in other liquids is still quite limited, especially when it comes to the behavior of multiple particles. The properties of rising multiple CO2 droplets under contamination of SO2 are investigated in a scenario in which they may leak to the seawater from a pipeline or facility in a Carbon Capture and Storage (CCS) project. The interaction between droplets and their rising properties such as velocity were examined. The results of numerical simulation show that the presence of SO2 changes particles' shape and their rising velocities significantly compared with the single droplet case. This SO2 contamination also caused the repulsion of impure particles even when they were placed close to each other, which was observed as coalescence in the pure CO2 case. Results will help in understanding the impacts of contamination on the rise of multiple CO2 droplets such as that leaked by future CCS operations.
O'Leary, M. and Gottardi, R., 2020. Relationship between growth faults, subsidence, and land loss: An example from Cameron Parish, Southwestern Louisiana, USA. Journal of Coastal Research, 36(4), 812–827. Coconut Creek (Florida), ISSN 0749-0208.
This study investigates the relationship between faulting, subsidence, and land loss in coastal Louisiana. A methodology that integrates three-dimensional (3D) seismic data, well logs, high-resolution topographic mapping (LIDAR), and historical aerial photography is successfully developed to identify fault-related geomorphic changes in southwestern Louisiana's Chenier Plain. Analysis of a 3D seismic survey and well logs reveals the presence of 10 normal faults that form an east-west graben in the middle of the study area. Well logs were used to further constrain the geometry of the faults. Shallow water well logs were used to map the faults at shallow depth, below the resolution of the seismic survey. Fault traces were extrapolated to the surface by maintaining constant dip and projected on LIDAR data. Elevation profiles derived from the LIDAR were conducted across the different faults, and results show that a distinct difference between the upthrown and downthrown sides of the faults occurs. Historical aerial photographs were used to investigate any change in geomorphology from 1953 to 2017 within the study area. Results reveal the occurrence of water bodies on the immediate downthrown sides of suspected fault traces. These findings suggest that faulting influences and focuses areas where subsidence is happening and subsequent land loss may occur, and detailed understanding of active shallow faulting in coastal areas can be used to identify regions that are at risk of land loss.
Teng, Y.-M.; Wu, K.-S., and Wang, M.-J., 2020. Using the analytic hierarchy process (AHP) and Delphi analysis to evaluate key factors in the development of the Taiwan cruise tourism industry. Journal of Coastal Research, 36(4), 828–833. Coconut Creek (Florida), ISSN 0749-0208.
In recent years, the cruise tourism industry in Asia has developed rapidly. Taiwan is surrounded by the sea and has four ports, namely, Keelung, Taichung, Kaohsiung, and Hualien Ports, which is an ideal place for the development of cruise tourism. Analyzing the key factors for the sustainable development of the cruise tourism industry in Taiwan is necessary due to the increasing demand for cruise tourism in Taiwan. Thus, the Delphi and analytic hierarchy process methods are used to evaluate the key factors in the development of the cruise tourism industry in Taiwan. Results reveal the influencing factors and provide reference for the government and cruise operators.
Yazdani, N.; Beneberu, E.; Baniya, A., and Efaz, I.H., 2020. Performance of light-frame wooden structures (LFWSs) subjected to combined wind and flood hazards. Journal of Coastal Research, 36(4), 834–843. Coconut Creek (Florida), ISSN 0749-0208.
Although simultaneous flood and wind events may cause catastrophic damage in areas outside the Special Flood Hazard Areas, no current building codes require light-frame wooden structures (LFWSs) to be elevated or designed for the combined loads. The current study numerically investigated the performance of typical elevated and a slab-on-grade (SOG) LFWS buildings located in 100- and 500-year floodplains, respectively, against global failure because of combined flood and wind forces. Factors such as the direction of lateral loads, effect of buoyancy, and flood level difference between the building interior and exterior were considered. Additionally, the adequacy of foundation anchor bolt spacing provisions from the 2018 International Building Code and Bureau of Recovery and Mitigation were investigated. From the overall performance of the SOG-type building, it was found that a nonengineered building complying only with the minimum requirements set by building codes is likely to fail locally at the wall-foundation connection before any global failure. In cases of elevated buildings, two-story buildings are safer against overturning, sliding, and uplifting failures compared with one-story structures.
Scheffers, A. and Kelletat, D., 2020. Megaboulder movement by superstorms: A geomorphological approach. Journal of Coastal Research, 36(4), 844–856. Coconut Creek (Florida), ISSN 0749-0208.
A longstanding geomorphological debate exists on the capability of high-intensity hurricanes to transport megaboulders. This article considers this debate, with a focus on the Bahamas during the Eemian period when sea levels have been higher. The superstorm hypothesis implies that during a warmer interglacial period, storms of unprecedented intensity would have the ability to dislodge megaboulders, against gravity, and then transport them inland to their current place of deposition, and modelling resulted in strong storms during higher sea levels as the most probable process. In this study, geomorphological arguments are tested that consider the reconstruction of the Eemian coastal landscape, focussing on original dimensions of the boulders and the position of the Eemian cliff more accurately, not excluding tsunamis as a driving force.
DeYoe, H.; Lonard, R.I.; Judd, F.W.; Stalter, R., and Feller, I., 2020. Biological flora of the tropical and subtropical intertidal zone: Literature review for Rhizophora mangle L. Journal of Coastal Research, 36(4), 857–884. Coconut Creek (Florida), ISSN 0749-0208.
Rhizophora mangle L. is a tropical and subtropical mangrove species that occurs as a dominant tree species in the intertidal zone of low-energy shorelines. Rhizophora mangle plays an important role in coastal zones as habitat for a wide range of organisms of intertidal food webs, as a natural barrier to coastal erosion, and as carbon sequestration. A review of mangrove literature has been performed, but a review specifically on red mangroves has not. The approach was to cover a broad range of topics with a focus on topics that have seen significant work since the 1970s. This review includes a brief introduction to red mangroves and then focuses on the following topics: biogeography, habitats and zonation, geomorphological interactions, taxonomy, histology, anatomy, physiological ecology, productivity, biomass, litter, reproduction, population biology, plant communities, interactions with other species, impacts of storms, reforestation, remote sensing, modelling, and economic importance.
Zheng, S. and Sha, J., 2020. Path optimum algorithm for container-integrated scheduling under dynamic mode in port terminals worldwide. Journal of Coastal Research, 36(4), 885–895. Coconut Creek (Florida), ISSN 0749-0208.
Optimizing container-integrated scheduling under dynamic mode in container ports worldwide is important during the transition of container terminals from traditional to automated management, which includes their transformation and upgrade, and it is important for the improvement of yard efficiency. Given the approach sequence and departure sequence of containers, with the objective of minimizing the number of container relocations in the process of container location selection, this problem can be described as a nondeterministic polynomial hard (NP-hard) problem. In order to obtain practical and instructive conclusions, this paper investigates both the approach and the departure problems of containers. On this basis, the simultaneous approach and departure of containers a re considered in dynamic mode, and a path optimum algorithm (POA) of container-integrated scheduling is proposed. This algorithm considers the different influences of the priority of containers, the movement of obstructive containers, and the Manhattan distance of gantry cranes on the model; moreover, it sets the promotion of container yard overall efficiency as the ultimate goal and analyzes the operation process from a more practical standpoint, in line with real-life production. Finally, this paper proposes a generic strategy for container-integrated scheduling, which provides a theoretical basis for container port operators worldwide to allocate and optimize port resources, and provides concrete guidance for operation rules.
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