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Dr. José Ignacio Pagán
Department of Civil Engineering, University of Alicante, Carretera San Vicente del Raspeig s/n, 03690 San Vicente del Raspeig, Alicante, Spain

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0 Environmental Modelling
0 geographic information systems
0 nearshore processes
0 coastal modelling
0 Management and sustainable development of coastal zone environments

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Journal article
Published: 01 March 2021 in Sustainability
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One of the main problems faced in coastal management is the loss or destruction of beaches due to erosion. A considerable diversity of factors is involved in coastal erosion, which makes it a complex system to study. The quality of the material that constitutes the beach, as well as the choice of appropriate materials for its nourishment are two of the main ones. Therefore, to make future nourishment projects more sustainable and durable, this work proposes a sediment quality classification based on the physical properties and wear process obtained through laboratory tests. The study of these variables, using principal component analysis, discriminant analysis and ANOVA, has divided the quality of 70 samples into three main groups. A Sediment Quality Classification Index (SQCI) is proposed, which categorizes the quality of the material into poor, regular or good, providing the coastal engineer with a simple tool to ensure more sustainable beach nourishments.

ACS Style

José Pagán; Antonio Tenza-Abril; Luis Aragonés; Yolanda Villacampa; Isabel López. Classification of Sediment Quality according to Its Behavior in the Accelerated Particle Wear Test (APW). Sustainability 2021, 13, 2633 .

AMA Style

José Pagán, Antonio Tenza-Abril, Luis Aragonés, Yolanda Villacampa, Isabel López. Classification of Sediment Quality according to Its Behavior in the Accelerated Particle Wear Test (APW). Sustainability. 2021; 13 (5):2633.

Chicago/Turabian Style

José Pagán; Antonio Tenza-Abril; Luis Aragonés; Yolanda Villacampa; Isabel López. 2021. "Classification of Sediment Quality according to Its Behavior in the Accelerated Particle Wear Test (APW)." Sustainability 13, no. 5: 2633.

Journal article
Published: 06 October 2020 in ISPRS International Journal of Geo-Information
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This work describes the set of tools developed, tested, and put into production in the context of the H2020 project Multi-scale Observation and Monitoring of Railway Infrastructure Threats (MOMIT). This project, which ended in 2019, aimed to show how the use of various remote sensing techniques could help to improve the monitoring of railway infrastructures, such as tracks or bridges, and thus, consequently, improve the detection of ground instabilities and facilitate their management. Several lines of work were opened by MOMIT, but the authors of this work concentrated their efforts in the design of tools to help the detection and identification of ground movements using synthetic aperture radar interferometry (InSAR) data. The main output of this activity was a set of tools able to detect the areas labelled active deformation areas (ADA), with the highest deformation rates and to connect them to a geological or anthropogenic process. ADAtools is the name given to the aforementioned set of tools. The description of these tools includes the definition of their targets, inputs, and outputs, as well as details on how the correctness of the applications was checked and on the benchmarks showing their performance. The ADAtools include the following applications: ADAfinder, los2hv, ADAclassifier, and THEXfinder. The toolset is targeted at the analysis and interpretation of InSAR results. Ancillary information supports the semi-automatic interpretation and classification process. Two real use-cases illustrating this statement are included at the end of this paper to show the kind of results that may be obtained with the ADAtools.

ACS Style

J. A. Navarro; R. Tomás; A. Barra; J. I. Pagán; C. Reyes-Carmona; L. Solari; J. L. Vinielles; S. Falco; M. Crosetto. ADAtools: Automatic Detection and Classification of Active Deformation Areas from PSI Displacement Maps. ISPRS International Journal of Geo-Information 2020, 9, 584 .

AMA Style

J. A. Navarro, R. Tomás, A. Barra, J. I. Pagán, C. Reyes-Carmona, L. Solari, J. L. Vinielles, S. Falco, M. Crosetto. ADAtools: Automatic Detection and Classification of Active Deformation Areas from PSI Displacement Maps. ISPRS International Journal of Geo-Information. 2020; 9 (10):584.

Chicago/Turabian Style

J. A. Navarro; R. Tomás; A. Barra; J. I. Pagán; C. Reyes-Carmona; L. Solari; J. L. Vinielles; S. Falco; M. Crosetto. 2020. "ADAtools: Automatic Detection and Classification of Active Deformation Areas from PSI Displacement Maps." ISPRS International Journal of Geo-Information 9, no. 10: 584.

Journal article
Published: 01 April 2020 in Journal of Marine Science and Engineering
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Urbanization and anthropogenic activities have generated significant imbalances in coastal areas. This study analysed the shoreline evolution of the Bay of Cullera (Spain), characterized by strong urban and tourist pressure and with important human interventions during the last century. The evolution of the shoreline was analysed using 60 years of aerial images since the 1950s of the seabed, the maritime climate and the distribution of sediment, as well as anthropogenic actions, such as urban development or the channelling of the Júcar River through the integration of information in a geographical information system (GIS). The results showed: (i) Changes in land-use, in which the substitution of the crop and mountain areas by urban areas was mainly observed. (ii) A general increase in the beach area, although there were important periods of erosion in some points due to anthropic actions. (iii) A significant decrease in the median sediment size in the whole bay since 1987, with a current D50 of 0.125–0.180 mm. The analysis carried out has made it possible to identify trends in coastal accumulation and regression in the different sections of the sector, as well as to demonstrate the usefulness and advantages of GIS.

ACS Style

José Ignacio Pagán; Isabel López; Luis Bañón; Luis Aragonés. Consequences of Anthropic Actions in Cullera Bay (Spain). Journal of Marine Science and Engineering 2020, 8, 240 .

AMA Style

José Ignacio Pagán, Isabel López, Luis Bañón, Luis Aragonés. Consequences of Anthropic Actions in Cullera Bay (Spain). Journal of Marine Science and Engineering. 2020; 8 (4):240.

Chicago/Turabian Style

José Ignacio Pagán; Isabel López; Luis Bañón; Luis Aragonés. 2020. "Consequences of Anthropic Actions in Cullera Bay (Spain)." Journal of Marine Science and Engineering 8, no. 4: 240.

Conference paper
Published: 01 January 2020 in Proceedings e report
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The main objective to this work is to establish a relationship between shoreline evolution and sediment wear. The shoreline evolution trend is similar to of the results obtained by the accelerated particle wear test (APW). However, the relationship between the number of APW test cycles and the years of shoreline evolution is not clear. In Guardamar beach the ratio (years/cycles) is 9.7, in Marineta Casiana beach (it is 5.6, and in Arenal beach it is 3. Differences may be due to the different mineralogical composition and morphology of the sand particles.

ACS Style

Isabel López; José Ignacio Pagán; Antonio J. Tenza-Abril; Luis Aragonés; Luis Bañón. Relationship between shoreline evolution and sediment wear. Proceedings e report 2020, 432 -440.

AMA Style

Isabel López, José Ignacio Pagán, Antonio J. Tenza-Abril, Luis Aragonés, Luis Bañón. Relationship between shoreline evolution and sediment wear. Proceedings e report. 2020; ():432-440.

Chicago/Turabian Style

Isabel López; José Ignacio Pagán; Antonio J. Tenza-Abril; Luis Aragonés; Luis Bañón. 2020. "Relationship between shoreline evolution and sediment wear." Proceedings e report , no. : 432-440.

Conference paper
Published: 01 January 2020 in Proceedings e report
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The historical evolution of sandy beaches on the coast of Alicante (Spain) has been analysed from aerial images from 1956 to 2019. The beach nourishments carried out in the 1990s to avoid coastal damages and to improve the touristic offer were studied. Shoreline evolution and beach surface has been obtained using GIS. The change of the sediment composition, from gravel to sand, due to the fills has caused a relevant imbalance. Beach nourishments failed its main aim of avoiding the shoreline erosion, causing environmental damages to the nearby Posidonia oceanica meadows.

ACS Style

José Ignacio Pagán; Isabel López; Luis Aragonés; Antonio J. Tenza-Abril. Experiences with beach nourishments on the coast of Alicante, Spain. Proceedings e report 2020, 441 -450.

AMA Style

José Ignacio Pagán, Isabel López, Luis Aragonés, Antonio J. Tenza-Abril. Experiences with beach nourishments on the coast of Alicante, Spain. Proceedings e report. 2020; ():441-450.

Chicago/Turabian Style

José Ignacio Pagán; Isabel López; Luis Aragonés; Antonio J. Tenza-Abril. 2020. "Experiences with beach nourishments on the coast of Alicante, Spain." Proceedings e report , no. : 441-450.

Journal article
Published: 30 August 2019 in Journal of Marine Science and Engineering
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In the past few years, unmanned aerial systems (UAS) have achieved great popularity for civil uses. One of the present main uses of these devices is low-cost aerial photogrammetry, being especially useful in coastal environments. In this work, a high-resolution 3D model of a beach section in Guardamar del Segura (Spain) has been produced by employing a low maximum takeoff mass (MTOM) UAS, in combination with the use of structure-from-motion (SfM) techniques. An unprecedented extensive global navigation satellite system (GNSS) survey was simultaneously carried out to statistically validate the model by employing 1238 control points for that purpose. The results show good accuracy, obtaining a vertical root mean square error (RMSE) mean value of 0.121 m and a high point density, close to 30 pt/m2, with similar or even higher quality than most coastal surveys performed with classical techniques. UAS technology permits the acquisition of topographic data with low time-consuming surveys at a high temporal frequency. Coastal managers can implement this methodology into their workflow to study the evolution of complex, highly anthropized dune-beach systems such as the one presented in this study, obtaining more accurate surveys at lower costs.

ACS Style

Luis Bañón; José Ignacio Pagán; Isabel López; Carlos Banon; Luis Aragonés. Validating UAS-Based Photogrammetry with Traditional Topographic Methods for Surveying Dune Ecosystems in the Spanish Mediterranean Coast. Journal of Marine Science and Engineering 2019, 7, 297 .

AMA Style

Luis Bañón, José Ignacio Pagán, Isabel López, Carlos Banon, Luis Aragonés. Validating UAS-Based Photogrammetry with Traditional Topographic Methods for Surveying Dune Ecosystems in the Spanish Mediterranean Coast. Journal of Marine Science and Engineering. 2019; 7 (9):297.

Chicago/Turabian Style

Luis Bañón; José Ignacio Pagán; Isabel López; Carlos Banon; Luis Aragonés. 2019. "Validating UAS-Based Photogrammetry with Traditional Topographic Methods for Surveying Dune Ecosystems in the Spanish Mediterranean Coast." Journal of Marine Science and Engineering 7, no. 9: 297.

Journal article
Published: 14 July 2019 in Remote Sensing
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This work describes a new procedure aimed to semi-automatically identify clusters of active persistent scatterers and preliminarily associate them with different potential types of deformational processes over wide areas. This procedure consists of three main modules: (i) ADAfinder, aimed at the detection of Active Deformation Areas (ADA) using Persistent Scatterer Interferometry (PSI) data; (ii) LOS2HV, focused on the decomposition of Line Of Sight (LOS) displacements from ascending and descending PSI datasets into vertical and east-west components; iii) ADAclassifier, that semi-automatically categorizes each ADA into potential deformational processes using the outputs derived from (i) and (ii), as well as ancillary external information. The proposed procedure enables infrastructures management authorities to identify, classify, monitor and categorize the most critical deformations measured by PSI techniques in order to provide the capacity for implementing prevention and mitigation actions over wide areas against geological threats. Zeri, Campiglia Marittima–Suvereto and Abbadia San Salvatore (Tuscany, central Italy) are used as case studies for illustrating the developed methodology. Three PSI datasets derived from the Sentinel-1 constellation have been used, jointly with the geological map of Italy (scale 1:50,000), the updated Italian landslide and land subsidence maps (scale 1:25,000), a 25 m grid Digital Elevation Model, and a cadastral vector map (scale 1:5,000). The application to these cases of the proposed workflow demonstrates its capability to quickly process wide areas in very short times and a high compatibility with Geographical Information System (GIS) environments for data visualization and representation. The derived products are of key interest for infrastructures and land management as well as decision-making at a regional scale.

ACS Style

Roberto Tomás; José Ignacio Pagán; José A. Navarro; Miguel Cano; José Luis Pastor; Adrián Riquelme; María Cuevas-González; Michele Crosetto; Anna Barra; Oriol Monserrat; Juan M. Lopez-Sanchez; Alfredo Ramón; Salvador Ivorra; Matteo Del Soldato; Lorenzo Solari; Silvia Bianchini; Federico Raspini; Fabrizio Novali; Alessandro Ferretti; Mario Costantini; Francesco Trillo; Gerardo Herrera; Nicola Casagli. Semi-Automatic Identification and Pre-Screening of Geological–Geotechnical Deformational Processes Using Persistent Scatterer Interferometry Datasets. Remote Sensing 2019, 11, 1675 .

AMA Style

Roberto Tomás, José Ignacio Pagán, José A. Navarro, Miguel Cano, José Luis Pastor, Adrián Riquelme, María Cuevas-González, Michele Crosetto, Anna Barra, Oriol Monserrat, Juan M. Lopez-Sanchez, Alfredo Ramón, Salvador Ivorra, Matteo Del Soldato, Lorenzo Solari, Silvia Bianchini, Federico Raspini, Fabrizio Novali, Alessandro Ferretti, Mario Costantini, Francesco Trillo, Gerardo Herrera, Nicola Casagli. Semi-Automatic Identification and Pre-Screening of Geological–Geotechnical Deformational Processes Using Persistent Scatterer Interferometry Datasets. Remote Sensing. 2019; 11 (14):1675.

Chicago/Turabian Style

Roberto Tomás; José Ignacio Pagán; José A. Navarro; Miguel Cano; José Luis Pastor; Adrián Riquelme; María Cuevas-González; Michele Crosetto; Anna Barra; Oriol Monserrat; Juan M. Lopez-Sanchez; Alfredo Ramón; Salvador Ivorra; Matteo Del Soldato; Lorenzo Solari; Silvia Bianchini; Federico Raspini; Fabrizio Novali; Alessandro Ferretti; Mario Costantini; Francesco Trillo; Gerardo Herrera; Nicola Casagli. 2019. "Semi-Automatic Identification and Pre-Screening of Geological–Geotechnical Deformational Processes Using Persistent Scatterer Interferometry Datasets." Remote Sensing 11, no. 14: 1675.

Journal article
Published: 14 June 2019 in Science of The Total Environment
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Dune ecosystems play a key role in coastal dynamics, so it is essential to measure their movements with high precision and monitor their changes over time. It is crucial to have a system that allows us to know the natural and anthropic impacts affecting these ecosystems. The aim of this study is to ascertain the historical evolution of the dune system of Guardamar del Segura (Spain) and its relationship with coastal erosion. Likewise, it is also intended to assess the state of the foredune restoration works carried out in 2011. To this end, a comparison of existing cartographic data has been undertaken by using geospatial analysis techniques through Geographic Information Systems (GIS). As a novelty, a low takeoff weight UAV (Unmanned Aerial Vehicle) has been used to produce a high-precision 3D model from two-dimensional images using photogrammetric techniques, such as Structure from Motion (SfM). This technique made it possible to obtain a digital terrain model of high density and precision (30 pt/m2 and RMSE Z of 0.173 m). The results show a constant erosion of both the beach and the foredune, with an overall loss of 143,561 m3 of material in the period analyzed (2001–2017). The anthropogenic restoration actions executed within this period have not been effective. In fact, erosion has increased in the period 2016–2017, with a significant reduction in the beach width and sea waves directly affecting the foredune. The main conclusion is that the combined use of UAV and SfM techniques is an excellent procedure to periodically supervise dune ecosystems with high precision and significant time and cost savings.

ACS Style

José Ignacio Pagán; L. Bañón; I. López; C. Bañón; L. Aragonés. Monitoring the dune-beach system of Guardamar del Segura (Spain) using UAV, SfM and GIS techniques. Science of The Total Environment 2019, 687, 1034 -1045.

AMA Style

José Ignacio Pagán, L. Bañón, I. López, C. Bañón, L. Aragonés. Monitoring the dune-beach system of Guardamar del Segura (Spain) using UAV, SfM and GIS techniques. Science of The Total Environment. 2019; 687 ():1034-1045.

Chicago/Turabian Style

José Ignacio Pagán; L. Bañón; I. López; C. Bañón; L. Aragonés. 2019. "Monitoring the dune-beach system of Guardamar del Segura (Spain) using UAV, SfM and GIS techniques." Science of The Total Environment 687, no. : 1034-1045.

Journal article
Published: 30 April 2019 in Coastal Engineering
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Depth of Closure (DoC) calculation has been analyzed for engineers and researchers during decades due to its relevant importance on marine works, such as beach nourishments or littoral defense projects. Several methods can be found in the literature related to the evaluation of DoC. However, they just focus on the bottom elevation change, leaving aside the cross-shore sediment transport issue. This work deals with all requests of the DoC definition and presents a new method based on the comparison of repetitive beach profiles. The main contribution of this research is the methodology presented to quantify the cross-shore sediment transport by the calculation of the Net Cross-shore Sediment Transport Parameter (NCSTPC). Its application to a complex area of the East Spanish coast concludes that NCSTPC values less than or equal to 10% can be considered as no significant. The differences between several criteria based on the change of the bottom elevation are also studied in order to evaluate if they are relevant for engineering works. The new methodology developed is a great advance in the knowledge of this imaginary boundary (DoC), since it allows to discriminate between different possible DoC values when applying any method based on profile surveys comparison.

ACS Style

L. Aragonés; J.I. Pagán; M.P. López; J.C. Serra. Cross-shore sediment transport quantification on depth of closure calculation from profile surveys. Coastal Engineering 2019, 151, 64 -77.

AMA Style

L. Aragonés, J.I. Pagán, M.P. López, J.C. Serra. Cross-shore sediment transport quantification on depth of closure calculation from profile surveys. Coastal Engineering. 2019; 151 ():64-77.

Chicago/Turabian Style

L. Aragonés; J.I. Pagán; M.P. López; J.C. Serra. 2019. "Cross-shore sediment transport quantification on depth of closure calculation from profile surveys." Coastal Engineering 151, no. : 64-77.

Journal article
Published: 04 January 2019 in Science of The Total Environment
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Coastal erosion and lack of sediment supply are a serious global problem. It is therefore necessary to determine the depth of closure (DoC) of a beach—key parameter in the calculation of the sand volume and the location of the beach protection elements—in a precise way. For this reason, this work generates a numerical model based on Galerkin's formulation of finite elements that provides sufficient precision for the determination of DoC with a minimum investment. Thus, after the generation of three models in which the difference was the dependent variables, the least complex has been chosen. It is composed of the variables: median sediment size, wave height and period associated with the mean flow, as well as the angle that the mean flow forms with respect to the studied profile in absolute value (α). The selected model has been compared with the most commonly used models currently in use, having an average absolute error of 0.36 m and an average MAPE of 70% over current models. In addition, it presents a high stability, since after the random disturbance of all the input variables (up to 5%), the model error remains stable, increasing the MAPE by a maximum of 7.4% and the average absolute error by 0.15 m. Therefore, it is possible to use the model to infer the DoC in other study areas where the values of the variables are similar to those studied here, although the selected method can be extrapolated to other parts of the world.

ACS Style

L. Aragonés; J.I. Pagán; I. López; F.J. Navarro-González; Y. Villacampa. Galerkin's formulation of the finite elements method to obtain the depth of closure. Science of The Total Environment 2019, 660, 1256 -1263.

AMA Style

L. Aragonés, J.I. Pagán, I. López, F.J. Navarro-González, Y. Villacampa. Galerkin's formulation of the finite elements method to obtain the depth of closure. Science of The Total Environment. 2019; 660 ():1256-1263.

Chicago/Turabian Style

L. Aragonés; J.I. Pagán; I. López; F.J. Navarro-González; Y. Villacampa. 2019. "Galerkin's formulation of the finite elements method to obtain the depth of closure." Science of The Total Environment 660, no. : 1256-1263.

Journal article
Published: 01 July 2018 in Science of The Total Environment
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Actions taken to prevent or reduce coastal erosion often do not have the desired effect, leading to major problems instead of solving the original one. This research focuses on why a nourished beach— with borrowed sand and 0.05% of particles <0.063 mm— causes the presence of suspended particles that are observed by beach users as turbidity. This means that the colour of the water was not its characteristic blue, even with calm wave conditions. This research involved a shoreline evolution analysis and a sedimentological study of the sand from 1977 to 2017. The results show that the turbidity episodes that occurred after the beach fill of May 2017 do not coincide with major storms that affected the beach. Furthermore, prior to this beach nourishment, even after the most important storms turbidity was not so pronounced. However, when the pre-nourishment and post-nourishment sediment are compared and analysed in detail, by studying the microstructure and morphology of the sand particles, their composition and morphology were observed to be completely different. These differences are also reflected in the accelerated particle weathering test, with the post-nourishment particles showing greater dissolution of carbonates. From its mineralogy, the post-nourishment material presents a smaller proportion of quartz in its composition and a significant amount of particles (9.6%) formed by clusters of Calcium and Silicon. The separation of this mineralogical composition produced by waves explains the formation of particles measuring <0.063 mm, a fact that has also been confirmed by the accelerated particle weathering test. This is, therefore, the cause of turbidity in the swash zone of the beach.

ACS Style

L. Chiva; José Ignacio Pagán; I. López; Antonio José Tenza-Abril; L. Aragonés; I. Sánchez. The effects of sediment used in beach nourishment: Study case El Portet de Moraira beach. Science of The Total Environment 2018, 628-629, 64 -73.

AMA Style

L. Chiva, José Ignacio Pagán, I. López, Antonio José Tenza-Abril, L. Aragonés, I. Sánchez. The effects of sediment used in beach nourishment: Study case El Portet de Moraira beach. Science of The Total Environment. 2018; 628-629 ():64-73.

Chicago/Turabian Style

L. Chiva; José Ignacio Pagán; I. López; Antonio José Tenza-Abril; L. Aragonés; I. Sánchez. 2018. "The effects of sediment used in beach nourishment: Study case El Portet de Moraira beach." Science of The Total Environment 628-629, no. : 64-73.

Journal article
Published: 01 June 2018 in Science of The Total Environment
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Coastal erosion is a worldwide problem, so accurate knowledge of the factors involved in the shoreline evolution is of great importance. This study analysed three gravel beaches that were nourished with sand from the same source. However, the evolution of their shoreline was different in each case. For its analysis, different factors were studied such as the shoreline and cross-shore profile evolution, the maritime climate, sedimentology and mineralogy. From the results, it should be noted that Centro beach is the most stable with a loss of surface after the first regeneration of 12.8%, while Carrer de mar is the most instable with a loss of 20.9%. The Posidonia oceanica meadow is one of the factors that make Centro beach the most stable despite being the one that receives the most wave energy. Another factor is its mineralogy and more specifically the composition of the particles that form the sample. Thus, it is observed how the cracking or the formation of particles by different minerals with a fragile union, are factors that make the beaches behave differently against erosion. For this reason, it is concluded that in order for the shoreline to be as stable as possible over time, a previous study of the sediment to be used for nourishment is necessary, as well as its possible effect on the ecosystem, since the future shoreline evolution will depend on it.

ACS Style

José Ignacio Pagán; M. López; I. López; A.J. Tenza-Abril; L. Aragonés. Study of the evolution of gravel beaches nourished with sand. Science of The Total Environment 2018, 626, 87 -95.

AMA Style

José Ignacio Pagán, M. López, I. López, A.J. Tenza-Abril, L. Aragonés. Study of the evolution of gravel beaches nourished with sand. Science of The Total Environment. 2018; 626 ():87-95.

Chicago/Turabian Style

José Ignacio Pagán; M. López; I. López; A.J. Tenza-Abril; L. Aragonés. 2018. "Study of the evolution of gravel beaches nourished with sand." Science of The Total Environment 626, no. : 87-95.

Conference paper
Published: 08 May 2018 in Urban Growth and the Circular Economy
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Welcome to the WIT Press eLibrary - the home of the Transactions of the Wessex Institute collection, providing on-line access to papers presented at the Institute's prestigious international conferences and from its State-of-the-Art in Science & Engineering publications.

ACS Style

José Ignacio Pagán; Isabel López; Antonio José Tenza-Abril; Luis Aragonés; Yolanda Villacampa. URBAN GROWTH AND BEACH NOURISHMENT: EXPERIENCES ON THE COAST OF ALICANTE, SPAIN. Urban Growth and the Circular Economy 2018, 1 .

AMA Style

José Ignacio Pagán, Isabel López, Antonio José Tenza-Abril, Luis Aragonés, Yolanda Villacampa. URBAN GROWTH AND BEACH NOURISHMENT: EXPERIENCES ON THE COAST OF ALICANTE, SPAIN. Urban Growth and the Circular Economy. 2018; ():1.

Chicago/Turabian Style

José Ignacio Pagán; Isabel López; Antonio José Tenza-Abril; Luis Aragonés; Yolanda Villacampa. 2018. "URBAN GROWTH AND BEACH NOURISHMENT: EXPERIENCES ON THE COAST OF ALICANTE, SPAIN." Urban Growth and the Circular Economy , no. : 1.

Journal article
Published: 10 April 2018 in Science of The Total Environment
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Storms can alter the beach shape, relocating large volumes of sediments and generating drastic changes in the coastline. In the last 60 years, beaches shoreline behaviour has been different even though the energy of the waves was similar. Therefore, it is necessary to understand the factors that affect the sandy coasts for better future management. In this research, two beaches, with different erosion rate, located in the southeast of Spain (separated by only 40 km of distance) have been studied. The beaches: i) have similar orientations, ii) are open to waves with similar sand lengths of 9.8 km and 6.6 km, and iii) have similar median sediment size (D50). For its study, shoreline evolution has been analysed from 1956 to 2017. From the results obtained, it can be seen that: i) Between 1992 and 2017, San Juan just lost 3% of its surface, while in the previous period (1956–1990) it was 50%, and ii) Guardamar surface lost in 1992–2017 was 18%, and in the previous period it was 14%. For the analysis of the agents involved in both beaches, cross-shore profiles (volume), marine climate, biocenosis and sedimentology studies were carried out. The results showed that the energy on both beaches was very similar. The biocenosis had not changed and, however, the morphology of Guardamar seabed had increased to 1 m deep in some places, which had caused part of the beach berm erosion. Furthermore, important differences were found from the sedimentological study, concluding that the content of calcites and the degree of homogeneity of the particles are the real factors that caused these two beaches to behave differently against erosion.

ACS Style

José Ignacio Pagán; M. López; I. López; Antonio José Tenza-Abril; L. Aragonés. Causes of the different behaviour of the shoreline on beaches with similar characteristics. Study case of the San Juan and Guardamar del Segura beaches, Spain. Science of The Total Environment 2018, 634, 739 -748.

AMA Style

José Ignacio Pagán, M. López, I. López, Antonio José Tenza-Abril, L. Aragonés. Causes of the different behaviour of the shoreline on beaches with similar characteristics. Study case of the San Juan and Guardamar del Segura beaches, Spain. Science of The Total Environment. 2018; 634 ():739-748.

Chicago/Turabian Style

José Ignacio Pagán; M. López; I. López; Antonio José Tenza-Abril; L. Aragonés. 2018. "Causes of the different behaviour of the shoreline on beaches with similar characteristics. Study case of the San Juan and Guardamar del Segura beaches, Spain." Science of The Total Environment 634, no. : 739-748.

Journal article
Published: 24 December 2017 in International Journal of Sediment Research
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Obtaining depth of closure (DoC) in an accurate manner is a fundamental issue for coastal engineering, since good results for coastal structures and beach nourishment depend mainly on DoC. Currently, there are two methods for obtaining the DoC, mathematical formulations and profile surveys. However, these methods can incur important errors if one does not take into account the characteristics and morphology of the area, or if one does not have a sufficiently long time series. In this work the DoC is obtained from the break in the trend of the sediment with the depth, that is, in general with the increase of the depth a decrease in the size of the sediment takes place. However, at one point this tendency changes and the size increases, and then decreases again. When comparing the point where the minimum sediment size occurs before the increase, it is observed that the error incurred is small compared to other methods. If the Standard Deviation of Depth Change (SDDC) method is considered as the most accurate method, the error incurred by the proposed method is less than 7%. In addition, it can be seen that the dispersion of the sediment method always occurs outside the zone of bar movement. Whereas in the methods of profiles survey (using 2 cm precision profiles), sometimes the DoC is obtained within the active zone of bar movement. In addition, where the relative minimum of the median sediment size is found, and the sizes of 0.063 and 0.125 mm predominate in the composition of the sample. Therefore, this new method allows the precise location of the DoC to be obtained in a fast and simple way. Furthermore, this method has the advantage that it is not affected by the modifications that may be experienced by both the study area and the cross-shore beach profile.

ACS Style

Luis Aragonés; José Ignacio Pagán; Isabel López; José C. Serra. Depth of closure: New calculation method based on sediment data. International Journal of Sediment Research 2017, 33, 198 -207.

AMA Style

Luis Aragonés, José Ignacio Pagán, Isabel López, José C. Serra. Depth of closure: New calculation method based on sediment data. International Journal of Sediment Research. 2017; 33 (2):198-207.

Chicago/Turabian Style

Luis Aragonés; José Ignacio Pagán; Isabel López; José C. Serra. 2017. "Depth of closure: New calculation method based on sediment data." International Journal of Sediment Research 33, no. 2: 198-207.

Journal article
Published: 01 December 2017 in Science of The Total Environment
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There are many activities and uses in the coastal environment, which has historically attracted the humans. This attraction has led to many anthropic actions that have generated imbalances, more important as the human pressure increases. This research focuses on the effects of these pressures along of 11km of the coastline of Guardamar del Segura, a high-value environmental area where is the Segura River mouth and one of the last dune systems of the southeast of Spain. The historic evolution of the shoreline position has been analysed using 60years of aerial images from 1950s to 2014, the seabed depth changes, the maritime climate, the distribution of the sediment grain size and the anthropic actions such as urban development or the channelling of the river. All data were integrated and processed using a Geographic Information System (GIS). The results show that the lack of sediment supply by Segura River and the cut-off in the longshore transport due to the breakwaters and others anthropic actions has led into an increase in the beaches erosion rates, with a loss of >3.2millionm of sand in the last 58years (≈55,200m/year). The conclusions of this research could be useful to the coastal managers at the moment of making the decisions of action and/or conservation on a coastal system to achieve positive results in the medium and long term.

ACS Style

J.I. Pagán; I. López; L. Aragonés; J. Garcia-Barba. The effects of the anthropic actions on the sandy beaches of Guardamar del Segura, Spain. Science of The Total Environment 2017, 601-602, 1364 -1377.

AMA Style

J.I. Pagán, I. López, L. Aragonés, J. Garcia-Barba. The effects of the anthropic actions on the sandy beaches of Guardamar del Segura, Spain. Science of The Total Environment. 2017; 601-602 ():1364-1377.

Chicago/Turabian Style

J.I. Pagán; I. López; L. Aragonés; J. Garcia-Barba. 2017. "The effects of the anthropic actions on the sandy beaches of Guardamar del Segura, Spain." Science of The Total Environment 601-602, no. : 1364-1377.

Journal article
Published: 01 June 2017 in International Journal of Computational Methods and Experimental Measurements
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ACS Style

José Ignacio Pagán; Y. Villacampa; Luis Aragonés; I. López. A software application to obtain the depth of closure from beach profile data. International Journal of Computational Methods and Experimental Measurements 2017, 5, 750 -759.

AMA Style

José Ignacio Pagán, Y. Villacampa, Luis Aragonés, I. López. A software application to obtain the depth of closure from beach profile data. International Journal of Computational Methods and Experimental Measurements. 2017; 5 (5):750-759.

Chicago/Turabian Style

José Ignacio Pagán; Y. Villacampa; Luis Aragonés; I. López. 2017. "A software application to obtain the depth of closure from beach profile data." International Journal of Computational Methods and Experimental Measurements 5, no. 5: 750-759.

Journal article
Published: 01 June 2017 in International Journal of Computational Methods and Experimental Measurements
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One of the main problems of coastlines around the world is their erosion. There are many studies that have tried to link coastal erosion with different...

ACS Style

M. López; José Ignacio Pagán; I. López; Luis Aragonés; Antonio José Tenza-Abril; J. García-Barba. Factors influencing the retreat of the coastline. International Journal of Computational Methods and Experimental Measurements 2017, 5, 741 -749.

AMA Style

M. López, José Ignacio Pagán, I. López, Luis Aragonés, Antonio José Tenza-Abril, J. García-Barba. Factors influencing the retreat of the coastline. International Journal of Computational Methods and Experimental Measurements. 2017; 5 (5):741-749.

Chicago/Turabian Style

M. López; José Ignacio Pagán; I. López; Luis Aragonés; Antonio José Tenza-Abril; J. García-Barba. 2017. "Factors influencing the retreat of the coastline." International Journal of Computational Methods and Experimental Measurements 5, no. 5: 741-749.

Journal article
Published: 01 May 2017 in International Journal of Sustainable Development and Planning
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Tourism development in recent decades has involved a large urban development in coastal areas, with different anthropogenic structural interventions on...

ACS Style

Luis Aragonés; Javier Garcia-Barba; Y. Villacampa; I. López; M.E. Gómez-Martín; José Ignacio Pagán. Sustainable Development City-Beach in Alicante. International Journal of Sustainable Development and Planning 2017, 12, 704 -712.

AMA Style

Luis Aragonés, Javier Garcia-Barba, Y. Villacampa, I. López, M.E. Gómez-Martín, José Ignacio Pagán. Sustainable Development City-Beach in Alicante. International Journal of Sustainable Development and Planning. 2017; 12 (4):704-712.

Chicago/Turabian Style

Luis Aragonés; Javier Garcia-Barba; Y. Villacampa; I. López; M.E. Gómez-Martín; José Ignacio Pagán. 2017. "Sustainable Development City-Beach in Alicante." International Journal of Sustainable Development and Planning 12, no. 4: 704-712.

Journal article
Published: 01 May 2017 in International Journal of Sustainable Development and Planning
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ACS Style

Javier Garcia-Barba; Luis Aragonés; I. López; M. López; A. Tenza; José Ignacio Pagán. Alicante Beach- City Sustainable Development. International Journal of Sustainable Development and Planning 2017, 12, 687 -693.

AMA Style

Javier Garcia-Barba, Luis Aragonés, I. López, M. López, A. Tenza, José Ignacio Pagán. Alicante Beach- City Sustainable Development. International Journal of Sustainable Development and Planning. 2017; 12 (4):687-693.

Chicago/Turabian Style

Javier Garcia-Barba; Luis Aragonés; I. López; M. López; A. Tenza; José Ignacio Pagán. 2017. "Alicante Beach- City Sustainable Development." International Journal of Sustainable Development and Planning 12, no. 4: 687-693.