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Alexandrescu M., Gibert D., Hulot G., Le Mouël J.L. & Saracco G. |
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Worldwide wavelet analysis of geomagnetic jerks. |
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1996 |
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Journal of geophysical research-atmospheres |
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J. Geophys. Res. |
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101 |
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21975-21994 |
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139 |
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0148-0227 |
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yes |
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2016 |
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Author |
Tremblin P, Schneider N, Minier V, Durand G Al, Urban J, |
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Title |
Worldwide site comparison for submillimetre astronomy
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Journal Article |
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Year |
2012 |
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A&A |
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548 |
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Keywords |
Astrophysics – Instrumentation and Methods for Astrophysics, |
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Abstract |
The most important limitation for ground-based submillimetre (submm) astronomy is the broad-band absorption of the total water vapour in the atmosphere above an observation site, often expressed as the Precipitable Water Vapour (PWV). A long-term statistic on the PWV is thus mandatory to characterize the quality of an existing or potential site for observational submm-astronomy. In this study we present a three-year statistic (2008-2010) of the PWV for ground-based telescope sites all around the world and for stratospheric altitudes relevant for SOFIA (Stratospheric Observatory for Far-infrared astronomy). The submm-transmission is calculated for typical PWVs using an atmospheric model. We present the absolute PWV values for each site sorted by year and time percentage. The PWV corresponding to the first decile (10%) and the quartiles (25%, 50%, 75%) are calculated and transmission curves between 150 {\mu}m and 3 mm for these values are shown. The Antarctic and South-American sites present very good conditions for submillimetre astronomy. The 350 {\mu}m and 450 {\mu}m atmospheric windows are open all year long whereas the 200 {\mu}m atmospheric window opens reasonably for 25 % of the time in Antarctica and the extremely high-altitude sites in Chile. Potential interesting new facilities are Macon in Argentinia and Summit in Greenland that show similar conditions as for example Mauna Kea (Hawaii). For SOFIA, we present in more detail transmission curves for different altitudes (11 to 14 km), PWV values, and higher frequencies (up to 5 THz). Though the atmosphere at these altitude is generally very transparent, the absorption at very high frequencies becomes more important, partly caused by minor species. In conclusion, the method presented in this paper could identify sites on Earth with a great potential for submillimetre astronomy, and guide future site testing campaigns in situ. |
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1040 |
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yes |
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4645 |
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Dietrich Muriel, Gómez-Díaz Elena, McCoy Karen D, |
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Title |
Worldwide distribution and diversity of seabird ticks: implications for the ecology and epidemiology of tick-borne pathogens.
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Journal Article |
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2011 |
Publication |
Vector borne and zoonotic diseases (Larchmont, N.Y.) |
Abbreviated Journal |
Vector Borne Zoonotic Dis. |
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11 |
Issue |
5 |
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453 -70 |
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Keywords |
bird, Borrelia, Carios capensis, hard ticks, hostparasite interactions, Ixodes uriae, soft ticks, Soldado virus, vector-borne disease., |
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Abstract The ubiquity of ticks and their importance in the transmission of pathogens involved in human and livestock diseases are reflected by the growing number of studies focusing on tick ecology and the epidemiology of tick-borne pathogens. Likewise, the involvement of wild birds in dispersing pathogens and their role as reservoir hosts are now well established. However, studies on tick-bird systems have mainly focused on land birds, and the role of seabirds in the ecology and epidemiology of tick-borne pathogens is rarely considered. Seabirds typically have large population sizes, wide geographic distributions, and high mobility, which make them significant potential players in the maintenance and dispersal of disease agents at large spatial scales. They are parasitized by at least 29 tick species found across all biogeographical regions of the world. We know that these seabird-tick systems can harbor a large diversity of pathogens, although detailed studies of this diversity remain scarce. In this article, we review current knowledge on the diversity and global distribution of ticks and tick-borne pathogens associated with seabirds. We discuss the relationship between seabirds, ticks, and their pathogens and examine the interesting characteristics of these relationships from ecological and epidemiological points of view. We also highlight some future research directions required to better understand the evolution of these systems and to assess the potential role of seabirds in the epidemiology of tick-borne pathogens.
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333 |
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Mary Ann Liebert, Inc. 140 Huguenot Street, 3rd Floor New Rochelle, NY 10801 USA |
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1530-3667 |
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yes |
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2315 |
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Author |
Chulliat, A., and K. Telali (2007) |
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Title |
World monthly means database project. |
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Conference - International - Article with Reading Comitee |
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2007 |
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Inst. Geophys. Pol. Acad. Sc. |
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398 |
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268-274 |
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139 |
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yes |
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4703 |
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Author |
Alix C. |
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Title |
Wood Use in the Arctic: Driftwood Past and Present. |
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Conference - International - Communication |
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Year |
2003 |
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Abstract |
36th Annual Meeting of the Canadian Archaeological Association, Hamilton, Canada , |
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402 |
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yes |
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4160 |
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Alix C. |
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Title |
Wood Remains from the 2002 Excavation at Uivvaq, Cape Lisburne. |
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2003 |
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186-213 |
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In Mason O. K. (Ed. ) Uivvaq Heritage Project Field Season 2002 Final Report. Draft Report to Aglaq/CONAM GeoArch Alaska |
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402 |
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yes |
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2631 |
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Author |
Alix C. |
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Wood Artifacts and Technology at Qitchauvik. In O. K. Mason, M. L. Ganley, M. Sweeney, C. Alix and V. Barber: Ipiutak Outlier – 1500 years old Qarigi on the Golovnin Lagoon. |
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Report |
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2003 |
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6 |
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76-109 |
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Golovin Heritage Field School 1992-2000. Final Report to the Shared Beringian He |
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402 |
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yes |
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2630 |
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Author |
Ancel A., Beaulieu M., Le Maho Y. & Gilbert C. |
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Title |
Within and between pair huddling synchronization in emperor penguins. |
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Conference - International - Communication |
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2008 |
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Third International Bio-logging Science Symposium |
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“Third International Bio-logging Science Symposium”, Pacific Grove (Californie, USA), 1-5 septembre. |
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137 |
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yes |
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5110 |
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Damien Ketcherside, Vanessa Selimovic, Lu Hu, Robert J. Yokelson, Ellis Robinson, Peter F. DeCarlo, Andrew Holen, Judy Wu, Kerri Pratt, Karolina Cysneiros de Carvalho, Brent J. Williams, Meeta Cesler-Maloney, Jingqiu Mao, William R. Simpson, Brice Temime Roussel, Barbara D'Anna |
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Title |
Wintertime Sources and Sinks of Volatile Organic Compounds in Fairbanks, Alaska |
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Peer-reviewed symposium |
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2022 |
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AGU Fall Meeting 2022 |
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Air pollution in urban valleys has resulted in many being classified as non-att... |
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1215 |
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8512 |
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Labrousse Sara, Vacquié-Garcia Jade, Heerah Karine, Guinet Christophe, Sallée Jean-Baptiste, Authier Matthieu, Picard Baptiste, Roquet Fabien, Bailleul Frédéric, Hindell Mark, Charrassin Jean-Benoit, |
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Title |
Winter use of sea ice and ocean water mass habitat by southern elephant seals: The length and breadth of the mystery
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Journal Article |
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Year |
2015 |
Publication |
Progress in Oceanography |
Abbreviated Journal |
Prog. Oceanogr. |
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Volume |
137 |
Issue |
A |
Pages |
52-68 |
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Abstract |
Understanding the responses of animals to the environment is crucial for identifying critical foraging habitat. Elephant seals (Mirounga leonina) from the Kerguelen Islands (49°20′S, 70°20′E) have several different foraging strategies. Why some individuals undertake long trips to the Antarctic continent while others utilize the relatively close frontal zones is poorly understood. Here, we investigate how physical properties within the sea ice zone are linked to foraging activities of southern elephant seals (SES). To do this, we first developed a new approach using indices of foraging derived from high temporal resolution dive and accelerometry data to predict foraging behaviour in an extensive, low resolution dataset from CTD-Satellite Relay Data Loggers (CTD-SRDLs). A sample of 37 post-breeding SES females were used to construct a predictive model applied to demersal and pelagic dive strategies relating prey encounter events (PEE) to dive parameters (dive duration, bottom duration, hunting-time, maximum depth, ascent speed, descent speed, sinuosity, and horizontal speed) for each strategy. We applied these models to a second sample of 35 seals, 20 males and 15 females, during the post-moult foraging trip to the Antarctic continental shelf between 2004 and 2013, which did not have fine-scale behavioural data. The females were widely distributed with important foraging activity south of the Southern Boundary Front, while males predominately travelled to the south-eastern part of the East Antarctica region. Combining our predictions of PEE with environmental features (sea ice concentration, water masses at the bottom phase of dives, bathymetry and slope index) we found higher foraging activity for females over shallower seabed depths and at the boundary between the overlying Antarctic Surface Water (AASW) and the underlying Modified Circumpolar Deep Water (MCDW). Increased biological activity associated with the upper boundary of MCDW, may provide overwintering areas for SES prey. Male foraging activity was strongly associated with pelagic dives within the Antarctic Slope Front where upwelling of nutrient rich Circumpolar Deep Water onto surface water may enhance and concentrate resources. A positive association between sea ice and foraging activity was found for both sexes where increased biological activity may sustain an under-ice ecosystem. Variability of the East Antarctic sea ice season duration is likely a crucial element to allow air-breathing predators to benefit from profitable prey patches within the pack ice habitat. |
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109 |
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0079-6611 |
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6183 |
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