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Title |
Analysis of Exposure to Solar and Galactic Cosmic Radiations of Flights Representative of the European International Air Traffic |
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2018 |
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Radiation Research |
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190 |
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3 |
Pages |
271-281 |
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Abstract  |
This study analyzed the impact of galactic and solar cosmic rays on ambient dose equivalent during airline travel. A high statistic of flights are considered, which is representative of European international air traffic. Flight paths are based on the Eurocontrol Demand Data Repository and consider realistic flight plans with and without regulations or updated with radar data from the Central Flow Management Unit. Ambient dose equivalent during flights was investigated during quiet solar periods and extreme solar flare events. Thus, the statistical analyses presented here take into account route characteristics (departure, arrival, continent, etc.) and space weather conditions. The findings of this work show the important influence of flight path, particularly the latitude, which drives the cutoff rigidity variations. Moreover, dose values vary drastically during ground level enhancement events, with the route path (latitude, longitude and altitude) and the phasing of the solar event. This study highlights the importance of monitoring these solar events and developing a physical approach to obtain reliable assessment of ambient dose equivalents. |
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1112 |
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0033-7587, 1938-5404 |
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0033-7587, 1938-5404 |
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yes |
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7040 |
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Title |
Trace elements in Antarctic fish species and the influence of foraging habitats and dietary habits on mercury levels |
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Year |
2015 |
Publication |
Science of The Total Environment |
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Volume |
538 |
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743-749 |
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Keywords |
Heavy metals Nototheniidae Southern Ocean Stable isotopes |
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1010 |
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0048-9697 |
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yes |
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8143 |
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An estimation of the quantitative impacts of copepod grazing on an under sea-ice spring phytoplankton bloom in western Baffin Bay, Canadian Arctic |
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Year |
2021 |
Publication |
Elementa: Science of the Anthropocene |
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9 |
Issue |
1 |
Pages |
00092 |
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1164 |
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2325-1026 |
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yes |
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8255 |
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Title |
Cometary Dust |
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2018 |
Publication |
Space Science Reviews |
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Volume |
214 |
Issue |
3 |
Pages |
64 |
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1120 |
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ISSN |
1572-9672 |
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yes |
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Serial |
7896 |
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Author |
Yves Cherel |
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Title |
A review of Southern Ocean squids using nets and beaks |
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Journal |
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Year |
2020 |
Publication |
Marine Biodiversity |
Abbreviated Journal |
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Volume |
50 |
Issue |
6 |
Pages |
98 |
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Abstract |
This review presents an innovative approach to investigate the teuthofauna from the Southern Ocean by combining two complementary data sets, the literature on cephalopod taxonomy and biogeography, together with predator dietary investigations. Sixty squids were recorded south of the Subtropical Front, including one circumpolar Antarctic (Psychroteuthis glacialis Thiele, 1920), 13 circumpolar Southern Ocean, 20 circumpolar subantarctic, eight regional subantarctic, and 12 occasional subantarctic species. A critical evaluation removed five species from the list, and one species has an unknown taxonomic status. The 42 Southern Ocean squids belong to three large taxonomic units, bathyteuthoids (n?=?1 species), myopsids (n?=?1), and oegopsids (n?=?40). A high level of endemism (21 species, 50%, all oegopsids) characterizes the Southern Ocean teuthofauna. Seventeen families of oegopsids are represented, with three dominating families, onychoteuthids (seven species, five endemics), ommastrephids (six species, three endemics), and cranchiids (five species, three endemics). Recent improvements in beak identification and taxonomy allowed making new correspondence between beak and species names, such as Galiteuthis suhmi (Hoyle 1886), Liguriella podophtalma Issel, 1908, and the recently described Taonius notalia Evans, in prep. Gonatus phoebetriae beaks were synonymized with those of Gonatopsis octopedatus Sasaki, 1920, thus increasing significantly the number of records and detailing the circumpolar distribution of this rarely caught Southern Ocean squid. The review extends considerably the number of species, including endemics, recorded from the Southern Ocean, but it also highlights that the corresponding species to two well-described beaks (Moroteuthopsis sp. B and Psychroteuthis sp. B) are still unknown. |
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109 |
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ISSN |
1867-1624 |
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yes |
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Call Number |
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Serial |
8072 |
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Title |
The fate of mercury in Arctic terrestrial and aquatic ecosystems, a review
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Journal Article |
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Year |
2012 |
Publication |
Environ. Chem. |
Abbreviated Journal |
Environ. Chem. |
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Volume |
9 |
Issue |
4 |
Pages |
321-355 |
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Keywords |
bioavailability, biomagnification, demethylation, fresh water ecosystems, methylation, trophic processes., |
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399 |
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ISSN |
1448-2517 |
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yes |
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4091 |
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Author |
Stephanie Jenouvrier |
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Title |
Impacts of climate change on avian populations |
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Journal |
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Year |
2013 |
Publication |
Global Change Biology |
Abbreviated Journal |
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Volume |
19 |
Issue |
7 |
Pages |
2036-2057 |
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Keywords |
climatic niche extinction extreme events IPCC stochastic population projection uncertainties |
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109 |
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1365-2486 |
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yes |
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8217 |
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Title |
What are the toxicological effects of mercury in Arctic biota? |
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2013 |
Publication |
Science of The Total Environment |
Abbreviated Journal |
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Volume |
443 |
Issue |
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Pages |
775-790 |
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Keywords |
Birds Exposure Fish Heavy metals Mammals Threshold levels |
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Abstract |
This review critically evaluates the available mercury (Hg) data in Arctic marine biota and the Inuit population against toxicity threshold values. In particular marine top predators exhibit concentrations of mercury in their tissues and organs that are believed to exceed thresholds for biological effects. Species whose concentrations exceed threshold values include the polar bears (Ursus maritimus), beluga whale (Delphinapterus leucas), pilot whale (Globicephala melas), hooded seal (Cystophora cristata), a few seabird species, and landlocked Arctic char (Salvelinus alpinus). Toothed whales appear to be one of the most vulnerable groups, with high concentrations of mercury recorded in brain tissue with associated signs of neurochemical effects. Evidence of increasing concentrations in mercury in some biota in Arctic Canada and Greenland is therefore a concern with respect to ecosystem health. |
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0048-9697 |
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8476 |
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Author |
Gilles Durand, Mauro Dolci, Giuliano Nucciarelli, Lucia Sabbatini |
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Title |
Progress report : Coordination of IRAIT based activity for campaigns 2009/2012 Teramo 09&10 September 2009 |
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2006 |
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This reports the first coordination meeting of the IRAIT based experiments.
Goal : temptative view of the programs at 3 year distance, in order to coordinate the activities of Agencies and institutes.
Detailed activity and requirements for agencies for the two next summer campaigns.
The defrosting of telescopes were discussed including COCHISE and IRAIT
The Future astrophysic shelter was discussed
The cooling system and power requirements were discussed. |
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1040 |
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6047 |
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Author |
A. Wargnier |
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Title |
Characterising the time profiles of relativistic solar energetic particle events observed by neutron monitors |
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Master 1 |
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Year |
2020 |
Publication |
Internship report, M1, Univ. Paris Sciences-Lettres |
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This Report Presents The Result Of The Measurement Of Characteristic Times For Relativistic Solar Energetic Par- Ticle Events Observed By Neutron Monitors. The Typical Profile Of A Solar Event Observed By Neutrons Monitors Is A Fast Rise And A Slow Decay. But These Times Differ Between Events (From A Few Minutes To Several Hours) And Quantifying Them Is Interesting. In Fact, Studying These Characteristic Times Allows Us To Better Understand Solar High Energy Events. For This, We Used The Neutron Monitor Database (Nmdb) [1] And Python To Compute The Rise Time And The Decay Time. We Observed That There Is A Linear Relationship Between Rise Time And Decay Time Of These Solar Events.there Are Some Possible Interpretations For These Characteristic Times. These Times May Be Related To The Dura- Tion Of Particle Acceleration Or The Propagation Of The Particles In The Interplanetary Medium. We Looked Then For A Link Between The Measurement Of Neutron Monitors At The Earth And The Solar Activity: In X-rays, And The Microwave Domain. Furthermore, We Studied The Fluctuations Of The Interplanetary Magnetic Field. However, All These Attempts Were Unsuccessful To Find A Relation With The Rise Time Measured By Neutron Monitors. But Ejection Speeds Of Coronal Mass Ejections And Rise Time Solar Events Detected By Neutron Monitors May Be Linked. |
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yes |
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8097 |
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