نتایج جستجو برای: beach sediment

تعداد نتایج: 45335  

2001
Patrick J. Hudson Michael E. McCormick

The design and construction of a small wave-sediment tank, built and instrumented for under $10,000, is described. The tank is equipped with a piston-type wavemaker, capable of producing both small-amplitude and solitary waves. The middle section of the tank contains a sediment bed appropriate for wave-soil-structure interaction and sediment transport experiments. Wave energy is absorbed by a g...

2016
R. Michael Hardesty Alan Brewer Scott P. Sandberg Ann M. Weickmann Maria Cambaliza Alexie Heimburger Kenneth J. Davis Thomas Lauvaux Natasha L. Miles Daniel P. Sarmiento A. J. Deng Brian Gaudet Anna Karion Colm Sweeney

A compact commercial Doppler lidar has been deployed in Indianapolis for two years to measure wind profiles and mixing layer properties as part of project to improve greenhouse measurements from large area sources. The lidar uses vertical velocity variance and aerosol structure to measure mixing layer depth. Comparisons with aircraft and the NOAA HRDL lidar generally indicate good performance, ...

2017
R. Ruben Visser

Although shoreface nourishments are an increasingly interesting option for coastal managers to counteract coastal erosion, their design is often highly empirical. A better understanding of the way shoreface nourishments interact with the initial beach profile may help to reduce the degree of empiricism in nourishment design. Literature study has shown that numerical modelling is commonly used t...

Journal: :Journal of Marine Science and Engineering 2021

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 socio-economic significance beaches their vulnerability rise design effective adaptation measures. approach comprises four steps: (i) beach ranking on basis in order prioriti...

2010
Cunhong Pan Wenrui Huang

PAN, C. and HUANG, W., 2010. Numerical modeling of suspended sediment transport in Qiantang River: an estuary affected by tidal bore. Journal of Coastal Research, 26(6), 1123–1132. West Palm Beach (Florida), ISSN 0749-0208. Study of suspended sediment transport in an estuary affected by tidal bore is important for coastal engineering and management because the tidal bore can cause strong sedime...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 2015

Journal: :Journal of Earth System Science 2022

Sandy beaches are the result of a dynamic interaction among physical conditions, biological processes and anthropic impact (essentially linked to natural resource direct or indirect exploitation). Monitoring health state coastal areas is fundamental tool for land-use management. Moreover, integrated sedimentological studies with multidisciplinary methodologies increasingly needed. This study ai...

Journal: :IOP conference series 2022

Abstract Pasir beach is one of the beaches in row South Coast Java Island which located Kebumen Regency, Central Province. On sand beach, there a fish landing port poor condition. Some main facilities are not functioning at all due to sedimentation problems. The purpose this study determine current pattern and on especially area with 2-dimensional modeling. results modeling RMA2 SED2D found tha...

2008
Robert A. Morton

MORTON, R.A., 2008. Historical changes in the Mississippi-Alabama barrier-island chain and the roles of extreme storms, sea level, and human activities. Journal of Coastal Research, 24(6), 1587–1600. West Palm Beach (Florida), ISSN 0749-0208. Barrier-island chains worldwide are undergoing substantial changes, and their futures remain uncertain. An historical analysis of a barrier-island chain i...

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