نتایج جستجو برای: beach restoration

تعداد نتایج: 60099  

2004
Gurusamy Chinnasamy Arya Kumar Bal David Bruce McKenzie

Introduction Beach pea (Lathyrus maritimus [L.] Bigel.), a potential cold-climate circumpolar legume crop, naturally grows along the shorelines of Newfoundland, Canada. It is perennial and persistent for many years, and is resistant to drought and frost. It forms large continuous stands by rhizomes and has prolific seed production. Sometimes, the vegetative parts of beach pea are used as fodder...

2009
Joseph T. Kelley Laura Brothers

This paper is a case history of coastal development in Camp Ellis, Saco, Maine. It begins in 1867 with dredging and jetty construction at the mouth of the Saco River to facilitate commercial navigation. Beach accretion resulting from tidal delta collapse was developed with residences before its ephemeral nature was recognized. Misunderstanding of the riverine source of beach sand and the net, n...

Journal: :ISPRS Int. J. Geo-Information 2016
Apostolos Papakonstantinou Konstantinos N. Topouzelis Gerasimos Pavlogeorgatos

Spatial data acquisition is a critical process for the identification of the coastline and coastal zones for scientists involved in the study of coastal morphology. The availability of very high-resolution digital surface models (DSMs) and orthophoto maps is of increasing interest to all scientists, especially those monitoring small variations in the earth’s surface, such as coastline morpholog...

2005
KR Smith P Bedwell

Fragments of irradiated fuel the size of grains of sand have been found on Sandside Beach, which is adjacent to the Dounreay nuclear research facility in Caithness. Information on the number of fuel fragments found on the beach and the behaviour of individuals on the beach has been used to explore the likelihood of individuals coming into contact with such fragments. The results indicate that t...

2006
Ju-Chin Huang P. Joan Poor

In this study, we employ a choice-based conjoint survey design to elicit individual choices of beach erosion control programs that can potentially cause multiple effects on beach environment. Two empirical choice models which incorporate individual heterogeneity, are used to analyze and compare the elicited individual choices of erosion control programs. Our results show that to a typical indiv...

Journal: :Environmental management 2010
Eduard Ariza Jose A Jimenez Rafael Sarda Miriam Villares Josep Pinto Rosa Fraguell Elisabet Roca Carolina Marti Herminia Valdemoro Ramon Ballester Modest Fluvia

A composite index, based on function analysis and including thirteen sub-indices, was developed to assess the overall quality of urban and urbanized beaches in the Mediterranean area. The aggregation of components and sub-indices was based on two questionnaires completed by beach users and experts. Applying the new Beach Quality Index (BQI) demonstrated that the quality of beaches could be impr...

2009

In coastal communities with uniform flood risk, amenity value is comprised of two components – view and access. Having controlled for view, it is assumed that any residual amenity value represents the benefit derived from households from accessing the beach for leisure or recreational purposes. However, as properties closer to the beach typically have improved viewsheds, the two amenities are h...

Journal: :ecopersia 2011
homayoun khoshravan somayeh rouhanizadeh

we measured the impacts of coastal modification on beach erosion and beach retreat conditions, selecting the miankaleh region as an example of a complex high-pressure free zone with high levels of engineering and tourism activity. nine sampling transects, stretching from the shoreline to a 10 meter depth, were defined and 36 sediment samples were collected from the sea bed at depths of 1, 3, 5,...

2016
R. S. Gao H. Telg R. J. McLaughlin S. J. Ciciora L. A. Watts M. S. Richardson J. P. Schwarz A. E. Perring T. D. Thornberry A. W. Rollins M. Z. Markovic T. S. Bates J. E. Johnson D. W. Fahey Peter H. McMurry

R. S. Gao, H. Telg, R. J. McLaughlin, S. J. Ciciora, L. A. Watts, M. S. Richardson, J. P. Schwarz, A. E. Perring, T. D. Thornberry, A. W. Rollins, M. Z. Markovic, T. S. Bates, J. E. Johnson, and D. W. Fahey NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, Colorado, USA; Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colo...

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