Results 11 to 20 of about 31,685 (264)

Simulation of optical pulse propagation in microstructured waveguides

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2014
In  this  paper  we  study  the  propagation  of  optical  pulses  by  the  finite differences method in a ridge waveguides structured for applications in optical transmission systems in the region of 1.55 μm.
Francisco Racedo-Niebles   +1 more
doaj   +1 more source

First visual record of rare purple-colored dogwhelks (Nucella lapillus) on the Atlantic coast of Nova Scotia, Canada [version 2; referees: 1 approved, 2 approved with reservations]

open access: yesF1000Research, 2017
The dogwhelk Nucella lapillus is a rocky intertidal gastropod of the North Atlantic coast. Individual shell color varies. Common colors range between white and brown, with darker dogwhelks being more affected by heat stress than lighter-colored ...
Sonja M. Ehlers, Julius A. Ellrich
doaj   +1 more source

A late Holocene record of marine high-energy events along the Atlantic coast of Morocco: new evidences from the Tahaddart estuary

open access: yesGeoenvironmental Disasters, 2020
The Atlantic coast of Morocco has been exposed to marine submersion events from storm surges and tsunamis which have resulted in human and economic losses.
Otmane Khalfaoui   +3 more
doaj   +1 more source

Ile d’Oléron et cartes postales photographiques

open access: yesTerra Brasilis, 2021
From 1904 to 1914, Oleron Island slowly opens to seaside tourism while at the same time, the market of the picture postcard soars internationally. The object pictures the development of tourism and its consequences while actively promoting the phenomenon.
Benjamin Caillaud
doaj   +1 more source

Cartão-postal fotográfico e balnearização das cidades litorâneas : o caso de Royan (1895-1920)

open access: yesConfins, 2022
Between 1895 and 1920, the city of Royan’s seaside economy experienced a new boom, making it one of the most visited resorts on the French Atlantic coast.
Benjamin Caillaud
doaj   +1 more source

Phylogeography of weakfish Cynoscion guatucupa (Perciformes: Sciaenidae) from the southwestern Atlantic

open access: yesScientia Marina, 2011
The genetic structure of populations/species was established during the Quaternary glaciations. Over the last 250 ka (Pleistocene), the South American marine biogeographic history recorded three main glaciations: the most extensive one between 140 and ...
Pedro J. Fernández Iriarte   +4 more
doaj   +1 more source

First record of the Puna Flamingo Phoenicoparrus jamesi (Sclater, 1886) (Aves: Phoenicopteridae) for the Atlantic coast of South America [PDF]

open access: yesCheck List, 2014
We report the first record of the Puna Flamingo Phoenicoparrus jamesi (Sclater, 1886) (Aves: Phoenicopteridae) for the Atlantic coast of South America, based on the observation of a single adult bird on an oceanic beach of São José do Norte municipality,
Rafael Dias, João Cardozo
doaj   +3 more sources

On a trip to the mainland: occasional records of the rocky crab Grapsus grapsus (Linnaeus, 1758) (Decapoda: Grapsidae) on the Brazilian coast

open access: yesNauplius, 2021
The Sally lightfoot crab, Grapsus grapsus (Linnaeus, 1758), is distributed along the Eastern Pacific coast and along the Western Atlantic coast, from the Gulf of Mexico to the Southwestern Atlantic.
Thais Peixoto Macedo   +3 more
doaj   +1 more source

The ethnoecology of Caiçara metapopulations (Atlantic Forest, Brazil): ecological concepts and questions

open access: yesJournal of Ethnobiology and Ethnomedicine, 2006
The Atlantic Forest is represented on the coast of Brazil by approximately 7,5% of remnants, much of these concentrated on the country's SE coast. Within these southeastern remnants, we still find the coastal Caiçaras who descend from Native Indians and ...
Begossi Alpina
doaj   +1 more source

US Gulf Coast tropical cyclone precipitation influenced by volcanism and the North Atlantic subtropical high

open access: yesCommunications Earth & Environment, 2022
Tropical cyclone precipitation on the US Gulf Coast is greatly influenced by the behavior of the North Atlantic subtropical high and volcanic eruptions as well as by Atlantic Multidecadal Variability, suggests a 473-year-long tree-ring proxy record.
Joshua C. Bregy   +5 more
doaj   +1 more source

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