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Ginni Callahan, Markes E. Johnson, Rigoberto Guardado-France and Jorge Ledesma-Vázquez
This project examines the role of hurricane-strength events likely to have exceeded 119 km/h in wind speed that entered the Gulf of California from the open Pacific Ocean during Late Pleistocene and Holocene times to impact the granodiorite shoreline on ...
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Olympos Andreadis, Antonis Chatzipavlis, Thomas Hasiotis, Isavela Monioudi, Evangelia Manoutsoglou and Adonis Velegrakis
Island beaches, which form significant natural and economic resources, are under increasing erosion risk due to sea level rise. The present contribution proposes an integrated methodological framework for the evaluation of the socio-economic significance...
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Sonain Jamil, MuhibUr Rahman and Amir Haider
Coral reefs are the sub-aqueous calcium carbonate structures collected by the invertebrates known as corals. The charm and beauty of coral reefs attract tourists, and they play a vital role in preserving biodiversity, ceasing coastal erosion, and promoti...
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Quentin Laporte-Fauret, Vincent Marieu, Bruno Castelle, Richard Michalet, Stéphane Bujan and David Rosebery
In this paper, coastal dune data are collected at Truc Vert, SW France, using photogrammetry via Unmanned Aerial Vehicles (UAVs). A low-cost GoPro-equipped DJI Phantom 2 quadcopter and a 20 MPix camera-equipped DJI Phantom 4 Pro quadcopter UAVs were used...
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Alejandro Gómez-Pazo, Augusto Pérez-Alberti and Xose Lois Otero Pérez
Sedimentary coastal areas change rapidly and are economically and environmentally important. This research focuses on determining the extent to which natural dynamics and human activity have contributed to visible changes on Rodas, Cíes Islands in southw...
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Dongbin Pan, Lin Yang, Chen Chen and Xitong Li
Fine-grained natural gas hydrate (NGH) reservoirs are widely distributed across the world and bear more than 90% of global NGH. However, it is difficult to exploit this kind of NGH reservoir economically and environmentally using conventional methods. Wa...
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Nikolaos Depountis, Dionysios Apostolopoulos, Vasileios Boumpoulis, Dimitris Christodoulou, Athanassios Dimas, Elias Fakiris, Georgios Leftheriotis, Alexandros Menegatos, Konstantinos Nikolakopoulos, George Papatheodorou and Nikolaos Sabatakakis
The primary objective of this research is to demonstrate advanced surveying methods and techniques for coastal erosion identification and monitoring in a densely human-populated coastline, the southern coastline of the Gulf of Patras (Greece), which diac...
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Carolina Camba, José Luis Mier, Luis Carral, María Isabel Lamas, José Carlos Álvarez, Ana-María Díaz-Díaz and Javier Tarrío-Saavedra
This work proposes a green material for artificial reefs to be placed in Galicia (northwest Spain) taking into account the principles of circular economy and sustainability of the ecosystem. New concrete formulations for marine applications, based on cem...
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Peter R. Johnson, Galen P. Halverson, Timothy M. Kusky, Robert J. Stern and Victoria Pease
The Arabian-Nubian Shield (ANS) includes Middle Cryogenian-Ediacaran (790?560 Ma) sedimentary and volcanic terrestrial and shallow-marine successions unconformable on juvenile Cryogenian crust. The oldest were deposited after 780?760 Ma shearing and sutu...
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Qi Zhang, Yixin Shen, Xiaokang Guo, Chenhao Zhang, Yifeng Lin and Xiaojun Wang
Offshore wind power is a new trend in renewable energy development. However, during the operation of offshore wind turbines, the rock-socketed monopile foundation is subjected to long-term cyclic loads, which will cause the seawater to erode the rock aro...
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Chen Chen, Dongbin Pan, Lin Yang, Han Zhang, Bing Li, Chengcai Jin, Xitong Li, Yong Cheng and Xiuping Zhong
As an innovative way to exploit marine natural gas hydrates (NGH), the solid fluidization exploitation method is to erode hydrate-bearing sediment (HBS) into fine particles by a water jet and transport the particles to an offshore platform. To investigat...
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Shagang Li, Xiaotong Yu, Wentao Zhou, Yingdi Liao and Da Chen
Sulfate and chloride in the marine environment threaten the lifespan of concrete structures. Predicting the strength of concrete under different degrees of ion erosion is essential for marine structure design and maintenance. In this paper, a novel metho...
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Qi Zhang, Chenhao Zhang, Yifeng Lin, Yuanhai Li, Yixin Shen and Yuechao Pei
In recent years, offshore wind turbine technology has been widely developed, making a significant contribution to the advancement of renewable energy. Due to the predominant subsurface geological composition characterized by rocky formations in some mari...
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Jure Sr?e, Marko Perkovic and Aleksander Grm
The environmental effects of ship propellers were not even close to fully examined before the current massive ships were introduced to sea trade. Larger ships, result in greater length, beam, draft and propulsion power. Of concern here is the under-keel ...
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Hans Niemeyer
Pág. 163 - 181
RESUMEN. El complejo Igneo-Sedimentario del Cordon de Lila, de probable edad ordovicica, esta formado por 3.000 m de lavas y volcanoclastitas basicas, intermedias y acidas con intercalaciones de limolitas y grauwacas turbiditicas. Las lavas presentan un ...
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Hans Niemeyer
Pág. 163 - 181
RESUMEN. El complejo Igneo-Sedimentario del Cordon de Lila, de probable edad ordovicica, esta formado por 3.000 m de lavas y volcanoclastitas basicas, intermedias y acidas con intercalaciones de limolitas y grauwacas turbiditicas. Las lavas presentan un ...
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John L. Manrique C.,José E. Ortiz,Antonio Delgado H.
Pág. 75 - 92
Vanadium (V) and uranium (U) are critical elements for the energy and technology industry. They are characterized by low abundance in the earth crust´s rocks, but can be concentrated and give rise to sedimentary mineral deposits as a result of redox proc...
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Wei Chen, Dalu Zhang, Enlei Wang, Feng Yan, Lin Xiang and Zhiwen Xie
Detailed tests and characterizations were used to investigate the corrosion degradation behaviors of Ti6Al4V alloys in simulated marine environments. These alloys suffered from very slight pitting and a miniscule weight loss of 0.018 mg/cm2 during the 50...
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Zijing Xu, Roberto Galeazzi and Jingqi Yuan
The availability of the propulsion system is of primary importance to ensure safe and stable operations of marine crafts, both during transit and station keeping. Diminished propulsion efficiency could impair the ability of a vessel to maintain speed and...
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Alina Raileanu, Florin Onea and Eugen Rusu
The aim of the present work is to provide an overview of the possible implications involving the influence of a generic marine energy farm on the nearshore processes. Several case studies covering various European coastal areas are considered for illustr...
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