نتایج جستجو برای: shoreline

تعداد نتایج: 2852  

2005
Tarig A. Ali

This paper presents the results of studying the correlation between the mapped shoreline-change and shoreline-curvature based on a new concept called shoreline-segment orientation. Shoreline mapping provides a means of monitoring shoreline-change, which is very essential for coastal planning and decision making. When we represent the mapped shorelines in the geographic database, a curved shorel...

2013
Jacqueline Michel Edward H. Owens Scott Zengel Andrew Graham Zachary Nixon Teresa Allard William Holton P. Doug Reimer Alain Lamarche Mark White Nicolle Rutherford Carl Childs Gary Mauseth Greg Challenger Elliott Taylor

The oil from the 2010 Deepwater Horizon spill in the Gulf of Mexico was documented by shoreline assessment teams as stranding on 1,773 km of shoreline. Beaches comprised 50.8%, marshes 44.9%, and other shoreline types 4.3% of the oiled shoreline. Shoreline cleanup activities were authorized on 660 km, or 73.3% of oiled beaches and up to 71 km, or 8.9% of oiled marshes and associated habitats. O...

 Extended abstract 1- Introduction  Coastal systems are very dynamic, and their movement is relatively fast due to the collision of onshore and marine environment. The majority of the world's population is concentrated along with the coastal areas. Hormuz Strait coasts are affected by morphological variables due to the hydrodynamics of the sea and the dynamics of coastal and onshore environme...

In this paper, the large amount of sedimentation and the resultant shoreline advancements at the breakwaters of Beris Fishery Port are studied. A series of numerical modeling of waves, sediment transport, and shoreline changes were conducted to predict the complicated equilibrium shoreline. The outputs show that the nearshore directions of wave components are not perpendicular to the coast whic...

2011

The Okanogan Regional SMP is based on inventories and evaluations of biophysical and human influences. This report described the use of technical information that pertains to man-made patterns across the landscape that shape the overall shoreline uses. Referred to here as planning factors, these influences provide information that can be used to inform future development decisions as well as ex...

Journal: :Journal of water and health 2003
Rachel T Noble Stephen B Weisberg Molly K Leecaster Charles D McGee John H Dorsey Patricia Vainik Victoria Orozco-Borbón

Two regional studies conducted during dry weather demonstrated that the Southern California Bight (SCB) shoreline has good water quality, except near areas that drain land-based runoff. Here, we repeat those regional studies 36 h after a rainstorm to assess the influence of runoff under high flow conditions. Two hundred and fifty-four shoreline sites between Santa Barbara, California and Ensena...

2006
Guy Michaelson

Anchor Environmental, L.L.C. and The Berger Partnership are assisting the City of Mercer Island in Master Planning activities for Luther Burbank Park in Mercer Island, Washington. In the past, shoreline conditions have been evaluated for the purpose of visioning park improvements (Reid Middleton 2002) and addressing shoreline erosion (Parametrix 1991). However, the park’s shoreline has not been...

2002
Christopher E. Parrish Jon Sellars

Accurate, up-to-date national shoreline is critical in defining the territorial limits of the Unites States, updating nautical charts, and managing coastal resources. The National Oceanic and Atmospheric Administration (NOAA) delineates the interpreted shoreline photogrammetrically using tide-coordinated stereo photography acquired with black-and-white infrared emulsion. In this paper, we prese...

2016
Tony Thomas Allan Williams Nelson Rangel-Buitrago Michael Phillips Giorgio Anfuso Gerben Ruessink

The morphological change of a headland bay beach—Tenby, West Wales, UK—was analysed over a 73-year period (1941–2014). Geo-referenced aerial photographs were used to extract shoreline positions which were subsequently compared with wave models based on storm event data. From the 1941 baseline, results showed shoreline change rates reduced over time with regression models enabling a prediction o...

Journal: :Remote Sensing 2011
Lisa Cowart D. Reide Corbett J. P. Walsh

Coastlines are constantly changing due to both natural and anthropogenic forces, and climate change and associated sea level rise will continue to reshape coasts in the future. Erosion is not only apparent along oceanfront areas; shoreline dynamics in sheltered water bodies have also gained greater attention. Additional estuarine shoreline studies are needed to better understand and protect coa...

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