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Articles by Ilgar Safak
Persistent Shoreline Shape Induced From Offshore Geologic Framework: Effects of Shoreface Connected Ridges
Mechanisms relating offshore geologic framework to shoreline evolution are determined through geologic investigations, oceanographic deployments and numerical modeling. Analysis of shoreline positions from the past 50 years along Fire Island, New York, a 50 km long barrier island, demonstrates a persistent undulating shape along the western half of the island.
Observations and 3D hydrodynamics-based modeling of decadal-scale shoreline change along the Outer Banks, North Carolina
Long-term decadal-scale shoreline change is an important parameter for quantifying the stability of coastal systems. The decadal-scale coastal change is controlled by processes that occur on short time scales (such as storms) and long-term processes (such as prevailing waves). The ability to predict decadal-scale shoreline change is not well established and the fundamental physical processes controlling this change are not well understood.
Inner-shelf ocean dynamics and seafloor morphologic changes during Hurricane Sandy
Inner-shelf ocean dynamics and seafloor morphologic changes during Hurricane Sandy Continental Shelf Research By: John C. Warner, William C. Schwab, Jeffrey List, Ilgar Safak, Maria Liste, and Wayne E. Baldwin Links Abstract Hurricane Sandy was one of the most destructive hurricanes in US history, making landfall on the New Jersey coast on Oct 30, 2012. Storm impacts included several barrier island breaches, massive coastal erosion, and flooding.
Barrier island breach evolution: Alongshore transport and bay-ocean pressure gradient interactions
Physical processes controlling repeated openings and closures of a barrier island breach between a bay and the open ocean are studied using aerial photographs and atmospheric and hydrodynamic observations. The breach site is located on Pea Island along the Outer Banks, separating Pamlico Sound from the Atlantic Ocean. Wind direction was a major control on the pressure gradients between the bay and the ocean to drive flows that initiate or maintain the breach opening.
Barrier island breach evolution: Alongshore transport and bay-ocean pressure gradient interactions
Physical processes controlling repeated openings and closures of a barrier island breach between a bay and the open ocean are studied using aerial photographs and atmospheric and hydrodynamic observations. The breach site is located on Pea Island along the Outer Banks, separating Pamlico Sound from the Atlantic Ocean. Wind direction was a major control on the pressure gradients between the bay and the ocean to drive flows that initiate or maintain the breach opening.
Variability of bed drag on cohesive beds under wave action
Drag force at the bed acting on water flow is a major control on water circulation and sediment transport. Bed drag has been thoroughly studied in sandy waters, but less so in muddy coastal waters. The variation of bed drag on a muddy shelf is investigated here using field observations of currents, waves, and sediment concentration collected during moderate wind and wave events.
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