Ahmet Cevdet Yalciner

Ahmet Cevdet Yalciner
Middle East Technical University | METU · Department of Civil Engineering

Doctor of Philosophy

About

218
Publications
71,251
Reads
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3,295
Citations
Citations since 2016
64 Research Items
1864 Citations
20162017201820192020202120220100200300
20162017201820192020202120220100200300
20162017201820192020202120220100200300
20162017201820192020202120220100200300
Additional affiliations
November 2013 - November 2017
UNESCO NEAMTWS
Position
  • Chair
Description
  • Chair of North Eastern Atlantic and Mediterranean Tsunami Waring System, NEAMTWS, UNESCO Intergovernmental Oceanography Commission IOC, Intergovernmental Coordination Group ICG. (between November 2013 and November 2017)
May 1979 - April 2020
Middle East Technical University
Position
  • Professor
Description
  • Coastal and Ocean Engineering Division, Ocean Engineering Research Center

Publications

Publications (218)
Article
Full-text available
Tsunamis constitute a significant hazard for European coastal populations, and the impact of tsunami events worldwide can extend well beyond the coastal regions directly affected. Understanding the complex mechanisms of tsunami generation, propagation, and inundation, as well as managing the tsunami risk, requires multidisciplinary research and inf...
Book
Full-text available
Abstract Oil Spill Risk Assessment for Candarlı Bay; Marine environment, socio-economy and maritime transport In this study, the oil pollution caused by a ship at İzmir Aliağa Candarlı Bay in August 2018 and its causes, effects, and pollution costs are reviewed. However, this book’s main focus is to create a guidebook with some fundamentals and n...
Article
Full-text available
Eastern Mediterranean Sea has experienced four tsunamigenic earthquakes since 2017, which delivered moderate damage to coastal communities in Turkey and Greece. The most recent of these tsunamis occurred on 30 October 2020 in the Aegean Sea, which was generated by an M w 7.0 normal-faulting earthquake, offshore Izmir province (Turkey) and Samos Isl...
Article
Full-text available
The NEAM Tsunami Hazard Model 2018 (NEAMTHM18) is a probabilistic hazard model for tsunamis generated by earthquakes. It covers the coastlines of the North-eastern Atlantic, the Mediterranean, and connected seas (NEAM). NEAMTHM18 was designed as a three-phase project. The first two phases were dedicated to the model development and hazard calculati...
Article
Purpose. Investigation of the storm surge in Korsakov in the southern part of the Sakhalin Island on November 15, 2019 and comparison of the results of its numerical simulation with the data of in situ measurements constitute the aim of the article. Methods and Results. In situ measurements of the storm surge in Korsakov (the Sakhalin region) were...
Conference Paper
Full-text available
Aegean Sea experienced numerous strong earthquakes in history. Since the region is highly prone to catastrophic events, such as earthquakes or earthquake/landslide-induced tsunamis because of the nearby active fault zones and their recent activities, the awareness about tsunamis that might take place around the western coasts of Turkey should be ra...
Article
Full-text available
Possibilities of forecasting of a tsunami characteristics for areas with small base of historical tsunami are discussed. The PTHA method (Probabilistic Tsunami Hazard Assessment), which cornerstone the statistical analysis of real and predictive earthquakes which number is rather big, with the subsequent calculation of waves of a Tsunami from possi...
Article
Tsunami forecast possibilities for areas with a small base of historical tsunamis have been discussed using the Probabilistic Tsunami Hazard Assessment (PTHA) method, which is based on a statistical analysis of a sufficiently large number of real and predictive earthquakes with a subsequent calculation of possible tsunami waves. This method has bee...
Article
Full-text available
Field observations provide valuable data regarding nearshore tsunami impact, yet only in inundation areas where tsunami waves have already flooded. Therefore, tsunami modeling is essential to understand tsunami behavior and prepare for tsunami inundation. It is necessary that all numerical models used in tsunami emergency planning be subject to ben...
Article
Full-text available
The July 20, 2017 Bodrum–Kos Earthquake caused tsunami wave motions and damage in the south of Bodrum Peninsula, Turkey, and on Kos Island, Greece. Immediately after the earthquake, we conducted several post-tsunami field surveys including interviews in coastal zones impacted by the tsunami, i.e., the coastlines of Bodrum Peninsula, Karaada Islet a...
Article
Numerical modeling of a 28'th September Tsunami on the Sulawesi Island (Indonesia) is executed. It is shown that observed distribution of a Tsunami heights in the extensive territory can be explained direct action of a strong earthquake, and in a center zone (the district of Palu) - submarine landslide.
Poster
Full-text available
Within the scope of the project, there are 11 different seismogenic tsunami scenarios while 3 scenarios are determined depending on the submarine landslides. From these sources, 44 different tsunami scenarios were modeled and their effects on the coasts were compared. In modelling, 42 m spatial resolution for the Marmara Sea and 5m-7m spatial resol...
Article
Full-text available
On September 28th, 2018, a powerful earthquake (Mw 7.5) struck the Island of Sulawesi in Indonesia. The earthquake was followed by a destructive and deadly tsunami that hit the Bay of Palu. A UNESCO international tsunami survey team responded to the disaster and surveyed 125 km of coastline along the Palu Bay up to the earthquake epicentre region....
Article
A series of experiments and numerical simulations on the interactions between a solitary wave and an impervious structure of square cross-section (block) in relatively shallow water were conducted to shed light on the physical processes of origination and evolution of coherent structures induced during such events. The block was placed at two diffe...
Article
Full-text available
A magnitude (Mw) 6.6 earthquake occurred on July 20, 2017 (22:31 UTC) in between Bodrum, Turkey and Kos Island, Greece. Field surveys are conducted in the region (Yalciner et al., 2017) including southern and northern coastlines of Bodrum peninsula, Karaada, Akyaka town and Kos Island. A tide gauge located in Bodrum main port recorded the tsunami....
Article
Full-text available
In this study, performances of interFoam solver of OpenFOAM and CADMAS-SURF computational tools with several turbulence modelling approaches on the numerical modelling of long wave motion and its interaction with a vertical wall based on the physical model experiments presented by Arikawa (2015) are investigated and compared. IHFOAM is used as wave...
Article
Full-text available
In this study, physical and numerical test are carried out focusing on the motion of two solid spheres under solitary wave attack. The numerical model CADMAS-SURF/3D-2F-DEM coupling a multiphase flow solver solving Reynolds Averaged Navier-Stokes Equations based on a porous body model and a discrete element method solver for Newton’s equations of m...
Article
Full-text available
11 Mart 2011 tarihinde gerçekleşen 9.1 şiddetindeki depremin yarattığı tsunami, Japonya’nın doğu kıyısı boyunca çok sayıda can kaybına ve ciddi hasara yol açmıştır. 2011 Tsunamisi’nin ardından Japonya’da yapılan planlama ve yeniden yapım çalışmaları alınması gereken önlemlere önemli bir örnek teşkil etmektedir. Bu çalışmada afetin beş yıl ardından...
Conference Paper
Full-text available
Bottom friction is an important parameter in tsunami inundation and should be included in the numerical simulations in order to reach reliable results. This study shows that smaller friction leads to larger runup values in the simulations and the runup distance of large amplitude waves is more friction sensitive. The analyses are conducted using FL...
Article
Full-text available
Predicting the arrival time of natural hazards such as tsunamis is of very high importance to the coastal community. One of the most effective techniques to predict tsunami propagation and arrival time is the utilization of numerical solutions. Numerical approaches of Nonlinear Shallow Water Equations (NLSWEs) and nonlinear Boussinesq-Type Equation...
Conference Paper
Full-text available
Long waves in shallow water zones lead to sea water level rise and fall, strong currents, forces (drag, impact, uplift, etc.), morphological changes (erosion, deposition), dynamic water pressure, as well as resonant oscillations. As a result, ground materials under the wave action move, and scour/erosion/deposition patterns can be observed in the r...
Article
A numerical assessment study of tsunami attack on the rubble mound breakwater of Haydarpasa Port, located at the southern entrance of the Istanbul Bosphorus Strait in the Sea of Marmara, Turkey, is carried out in this study using a Volume-Averaged Reynolds-Averaged Navier-Stokes solver, IHFOAM, developed in OpenFOAM® environment. The numerical mode...
Article
Full-text available
Among the coastal districts of mega city Istanbul, Bakirkoy is one of the most critical one with the importance of air and marine transportation and presence of many other coastal facilities and structures that are prone to suffer from marine hazards. In the history, the Sea of Marmara has experienced numerous earthquake and landslide events and as...
Conference Paper
Full-text available
The 20 July 2017 Bodrum–Kos (Turkey–Greece) earthquake (Mw 6.6) and the subsequent tsunami provided an opportunity to assess the progress and remaining challenges of an efficient tsunami warning system in the Aegean Sea and Eastern Mediterranean. Although the Bodrum– Kos tsunami was moderate with little damage to properties, it was the first notice...
Article
Full-text available
Various Tsunami Service Providers (TSPs) within the Mediterranean Basin supply tsunami warnings including CAT-INGV (Italy), KOERI-RETMC (Turkey), and NOA/HL-NTWC (Greece). The 20 July 2017 Bodrum–Kos (Turkey–Greece) earthquake (Mw 6.6) and tsunami provided an opportunity to assess the response from these TSPs. Although the Bodrum–Kos tsunami was mo...
Conference Paper
Tsunamis in shallow water zones lead to sea water level rise and fall, strong currents, forces (drag, impact, uplift, etc.), morphological changes (erosion, deposition), dynamic water pressure, as well as resonant oscillations. As a result, ground materials under the tsunami motion move and scour/erosion/deposition patterns can be observed in the r...
Technical Report
Full-text available
20 Temmuz 2017'de, Türkiye saati ile 01.31’de Gökova Körfezi'nde meydana gelen şiddetli deprem Bodrum Yarımadası’nın güneyindeki bazı küçük koylarda güçlü dalga hareketlerine ve hasarlara neden olmuştur. Deprem ve dalga hareketleri Yunanistan’ın Kos Ada’sında da hissedilmiştir; Kos limanında yoğun bir su baskını ile liman altyapısı ve bazı tekneler...
Technical Report
Full-text available
A strong earthquake (Mw=6.6) of normal faulting striking about E-W occurred on July 20, 2017 (22:31 UTC) in between Bodrum town (Turkey) and Kos island (Greece). The earthquake caused a tsunami which affected the coast of Bodrum peninsula and the northeast coast of Kos island. Two post-event tsunami field surveys were performed. The first one was h...
Article
Full-text available
This volume contains the main results of the EC FP7 “The Ocean of Tomorrow” Project CoCoNet, divided in two sections: 1) a set of guidelines to design networks of Marine Protected Areas in the Mediterranean and the Black Seas; 2) a smart wind chart that will allow evaluating the possibility of installing Offshore Wind Farms in both seas. The concep...
Conference Paper
There have been many destructive earthquakes and tsunamis in the world.The recent events are, 2011 East Japan Earthquake/Tsunami in Japan, 2015 Nepal Earthquake and 2016 Kumamoto Earthquake in Japan, and so on. And very recently a destructive earthquake occurred in Central Italy. In Turkey, the 1999 Izmit Earthquake as the destructive earthquake oc...
Conference Paper
Full-text available
The resilience of coastal communities against tsunamis are dependent on preparedness of the communities. Preparedness covers social and structural components which increases with the awareness in the community against tsunamis. Therefore, proper evaluation of all components of preparedness will help communities to reduce the adverse effects of tsun...
Article
To help produce accurate and consistent maritime hazard products, the National Tsunami Hazard Mitigation Program organized a benchmarking workshop to evaluate the numerical modeling of tsunami currents. Thirteen teams of international researchers, using a set of tsunami models currently utilized for hazard mitigation studies, presented results for...
Article
The development and safe utilization of modern coastal infrastructure necessitates strict requirements of quality in operational and statistical information about the wave modes of the ports and bays that is impossible without carrying out long term high-precision measurements, monitoring, data analysis and applications to design. Stationary monito...
Article
Распространение цунами в прибрежных зонах приводит к подъёму и падению уровня воды, сильным по' токам, силовому воздействию, морфологическим изменениям (эрозия, смещение), а также резонансным коле' баниям в портах и гаванях. Именно в них часто проявляются опасные природные явления с разрушительными последствиями. Особо отметим морфологические измен...
Article
Tsunamis are high-impact, long-lasting disasters, which in most cases allow for only a few minutes of warning before impact. The amount of energy behind huge tsunami waves can cause severe destruction when it hits land and consequently causes massive loss of human life. The impact of tsunami can be considered in social, environmental, and economic...
Presentation
Full-text available
EU project ASTARTE aims at developing a higher level of tsunami hazard assessment in the North East Atlantic, Mediterranean and Connected seas (NEAM) region by a combination of field work, experimental work, numerical modeling and technical development. The project is a cooperative work of 26 institutes from 16 countries and links together the desc...
Article
Full-text available
Istanbul is a mega city with various coastal utilities located on the northern coast of the Sea of Marmara. At Yenikapı, there are critical vulnerable coastal utilities, structures, and active metropolitan life. Fishery ports, commercial ports, small craft harbors, passenger terminals of intercity maritime transportation, waterfront commercial and/...
Article
Full-text available
Turkey is highly prone to earthquakes because of active fault zones in the region. The Marmara region located at the western extension of the North Anatolian Fault Zone (NAFZ) is one of the most tectonically active zones in Turkey. Numerous catastrophic events such as earthquakes or earthquake/landslide-induced tsunamis have occurred in the Marmara...
Conference Paper
Full-text available
FLOW 3D and NAMI DANCE are two numerical codes that simulate tsunami inundation. Flow 3D simulates linear and nonlinear propagating surface waves and long waves by solving three-dimensional Navier-Stokes (3D-NS) equations. NAMI DANCE solves linear and nonlinear forms of shallow water equations (NSWE) in long wave problems. NAMI DANCE is especially...
Conference Paper
Full-text available
The aim of this study is to give detailed information about the revetment stability of the highway located in the City of Oran, in Algeria. Oran highway is one of the most important highways in Algeria due to its location. The existence of cliffs in the region and the settlement of the City of Oran arose a necessity to realign the highway; therefor...
Article
This study evaluates tsunami hazards in the Marmara Sea from possible worst-case tsunami scenarios that are from submarine earthquakes and landslides. In terms of fault-generated tsunamis, seismic ruptures can propagate along the North Anatolian Fault (NAF), which has produced historical tsunamis in the Marmara Sea. Based on the past studies, which...
Chapter
This study evaluates tsunami hazards in the Marmara Sea from possible worst-case tsunami scenarios that are from submarine earthquakes and landslides. In terms of fault-generated tsunamis, seismic ruptures can propagate along the North Anatolian Fault (NAF), which has produced historical tsunamis in the Marmara Sea. Based on the past studies, which...
Article
Full-text available
Tsunamis in shallow water zones lead to sea water level rise and fall, strong currents, forces (drag, impact, uplift, etc.), morphological changes (erosion, deposition), dynamic water pressure, as well as resonant oscillations. As a result, ground materials under the tsunami motion move, and scour/erosion/deposition patterns can be observed in the...
Article
Full-text available
The 2011 Tōhoku event showed the massive destruction potential of tsunamis. The Euro-Japan “Risk assessment and design of prevention structures for enhanced tsunami disaster resilience (RAPSODI)” project aimed at using data from the event to evaluate tsunami mitigation strategies and to validate a framework for a quantitative tsunami mortality risk...
Article
Full-text available
Numerical modeling of tsunami evolution, propagation, and inundation is complicated due to numerous parameters involved in the phenomenon. It is important to assess the performance of numerical codes that solve tsunami motion, as well as flow and velocity patterns. NAMI DANCE is a computational tool developed for the modeling of long waves. It prov...
Conference Paper
Full-text available
Sediment transport in the near shore regions is critical under not only extreme but also common marine events. Ground material under the tsunami motion move and scour/erosion/deposition patterns are observed in the region. According to numerous studies, the initiation of the motion of the ground material is related to the physical characteristics o...
Conference Paper
Full-text available
Tsunamis in shallow water zone lead to sea water level rise and fall, strong currents, forces (drag, impact, uplift, etc.), drawdown, scour, and morphological changes (erosion, deposition), debris and debris flow, dynamic water pressure, resonant oscillations and seiches. As a result, ground material under the tsunami motion move and scour/erosion/...
Conference Paper
Full-text available
NAMI DANCE is a computational tool developed especially for tsunami modeling. It provides numerical modeling and efficient visualization of tsunami generation, propagation, and inundation mechanisms. It is developed in C++ programming language using leap-frog scheme numerical solution procedure. NAMI DANCE computes all necessary tsunami parameters....
Conference Paper
Full-text available
Resilience of coastal utilities after earthquakes and tsunamis has major importance for efficient and proper rescue and recovery operations soon after the disasters. Vulnerability assessment of coastal areas under extreme events has major importance for preparedness and development of mitigation strategies. The Sea of Marmara has experienced numero...
Conference Paper
Full-text available
Duha Metin, A., Cevdet Yalciner, A., Ozyurt Tarakcioglu, G., & Zaytsev, A. (2016, April). Effects of Shelves on Amplification of Long Waves Generated by Atmospheric Pressure Differences. In EGU General Assembly Conference Abstracts (Vol. 18, p. 5019).
Conference Paper
Full-text available
Tsunamis are huge waves with long wave periods and wave lengths that can cause great devastation and loss of life when they strike a coast. The interest in experimental and numerical modeling of tsunami propagation and inundation increased considerably after the 2011 Great East Japan earthquake. In this study, two numerical codes, FLOW 3D and NAMI...
Technical Report
Full-text available
Crisis management and emergency planning are essential prerequisites for effective and efficient disaster risk reduction, response and recovery. Establishing disaster risk management strategies based on comprehensive and integrative crisis management and emergency planning approaches can prove very valuable in building a culture of preparedness and...
Article
The earthquake that occurred on May 24, 2013, in the basin of the Sea of Okhotsk with a magnitude of 8.3 was the strongest in this region. We have modeled a possible tsunami caused by such an earthquake. The simulations confirm that the wave heights were sufficiently small because the earthquake epicenter depth was 640 km. We analyze the oscillatio...
Article
The features of the propagation of the tsunami of March 11, 2011 in the northeastern Pacific have been studied with the aim of revealing the degree of influence of the Kuril Islands on the penetration of the tsunami in the Sea of Okhotsk. For this, a series of computational experiments have been performed within the shallow water theory using bathy...
Article
The earthquake of magnitude Mw = 8.3 that occurred on 24 May 2013 in the Sea of Okhotsk was the most powerful earthquake in the region. Fortunately, the generated tsunami was small because of the deep focal depth (609 km) and was only detected by the nearest Deep-ocean Assessment and Reporting of Tsunamis (DART) buoy records. However, the event hig...
Technical Report
Full-text available
This report focuses on large scale accessibility mapping and evacuation simulations of the ASTARTE test sites. It presents the main results achieved in the Task 9.4 of the WP9. The aim of this task is to provide operatives with scenario-based tools and solutions to develop evacuation plans for local communities. The hazard scenarios were based on t...
Conference Paper
Full-text available
In inundation zones, tsunami motion turns from wave motion to flow of water. Modelling of this phenomenon is a complex problem since there are many parameters affecting the tsunami flow. In this respect, the performance of numerical codes that analyze tsunami inundation patterns becomes important. The computation of water surface elevation is not s...