نتایج جستجو برای: sandy beach

تعداد نتایج: 18530  

Journal: :Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 2017

2010
R. Lindenbergh S. Soudarissanane S. de Vries M. Coquet M. de Schipper B. van Goor

Morphodynamic changes at sandy coasts, as are dominant in The Netherlands, are typically monitored at yearly intervals by means of LIDAR. Meanwhile it is recognized that beach morphodynamics is not a regular process but is strongly correlated to meteorological conditions. A time series of 14 terrestrial laser scans of a beach experiment is analyzed, obtained during a time period of 88 hours cha...

Journal: :Environmental monitoring and assessment 2011
Paulo Baptista Telmo R Cunha Ana Matias Cristina Gama Cristina Bernardes Oscar Ferreira

The INSHORE system (INtegrated System for High Operational REsolution in shore monitoring) is a land-base survey system designed and developed for the specific task of monitoring the evolution in time of sandy shores. This system was developed with two main objectives: (1) to produce highly accurate 3D coordinates of surface points (in the order of 0.02 to 0.03 m); and (2) to be extremely effic...

2016
Roger D. Sepúlveda Nelson Valdivia

Determining the effects of unpredictable disturbances on dynamic ecological systems is challenged by the paucity of appropriate temporal and spatial coverage of data. On 27 February 2010, an 8.8 Mw mega-earthquake and tsunami struck central Chile and caused coastal land-level changes, massive damage to coastal infrastructure, and widespread mortality of coastal organisms. Wave-exposed sandy bea...

2013
Li Yee Teh Zakaria Latiffah

Three isolates of Penicillium pimiteouiense were recovered from sandy beach soil samples in Penang Island, Peninsular Malaysia. All the isolates were identified based on morphological characteristics and phylogenetic analysis of internal transcribed spacer regions and β-tubulin gene. This is a first record of P. pimiteouiense in Malaysia.

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2013
T F Maria A M Esteves J Vanaverbeke A Vanreusel

The role of a dominant macrobenthic polychaete, Scolelepis squamata, in the colonisation of defaunated tropical sediments by sandy-beach nematodes was investigated and compared with a previous colonisation experiment carried out on a temperate sandy beach. Experimental cylinders, equipped with lateral windows allowing infaunal colonisation, were filled with defaunated sediment containing two tr...

Journal: :Journal of Coastal Research 2014

2015
Iván F. Rodil Eduardo Jaramillo David M. Hubbard Jenifer E. Dugan Daniel Melnick Carlos Velasquez

Vegetated dunes are recognized as important natural barriers that shelter inland ecosystems and coastlines suffering daily erosive impacts of the sea and extreme events, such as tsunamis. However, societal responses to erosion and shoreline retreat often result in man-made coastal defence structures that cover part of the intertidal and upper shore zones causing coastal squeeze and habitat loss...

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...

2015
Thomas A. Schlacher Michael A. Weston David S. Schoeman Andrew D. Olds Chantal M. Huijbers Rod M. Connolly

Robust ecological paradigms and theories should, ideally, hold across several ecosystems. Yet, limited testing of generalities has occurred in some habitats despite these habitats offering unique features to make them good model systems for experiments. We contend this is the case for the ocean-exposed sandy beaches. Beaches have several distinctive traits, including extreme malleability of hab...

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