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Author |
Viblanc Va, Stier A, Bize P, Schull Q, Criscuolo F, Groscolas R, Robin Jp |
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Title |
The ecophysiology of king penguins: responses to a fluctuating environment |
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Peer-reviewed symposium |
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Year |
2021 |
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119 |
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yes |
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8484 |
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Author |
Karen D. McCoy |
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Title |
Community-Level Interactions and Disease Dynamics |
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Book |
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Year |
2021 |
Publication |
Infectious Disease Ecology of Wild Birds |
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333 |
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978-0-19-874624-9 |
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978-0-19-874624-9 |
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yes |
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8498 |
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Title |
Nitrogen isotopes (?15N) and oxygen isotope anomalies (?17O, ?18O) in atmospheric nitrogen dioxide : a new perspective for isotopic constraints on oxidation and aerosols formation processes |
Type |
Communication |
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Year |
2021 |
Publication |
EGU General Assembly 2021, 10-30 april 2021, Vienna, Austria |
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1215 |
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EGU21-2634 |
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yes |
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8511 |
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Albertin, S., Savarino, J., Bekki, S., T. Roberts, T., Barret, B., Mao, J., Simpson, W., Law, K. |
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Isotopic constraints on the sources and fate of atmospheric nitrate in Fairbanks, Alaska: preliminary results of the pre-ALPACA campaign |
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Communication |
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Year |
2021 |
Publication |
Paces meeting, may 2021 |
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1215 |
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yes |
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8513 |
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Author |
Guillaume Hubert |
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Title |
Continuously Measurements of Energy Spectra of Cosmic-Ray-induced-neutrons on the Concordia Antarctic Station for the period 2015-2021 |
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Journal |
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Year |
2021 |
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Volume |
395 |
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Pages |
1263 |
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The CHINSTRAP (Continuous High-altitude Investigation of the Neutron Spectra for Terrestrial Radiation Antarctic Project) supported by the French Polar Agency (IPEV) aims at recording cosmic-ray (CR) induced-neutron spectra at the Concordia station since December 2015. The neutron spectrometer measures the neutron spectrum over a wide energy range from meV up to tens of GeV with a short time resolution. Several parameters can influence the measurement, including systematic and environmental effects such as the atmospheric pressure, the hydrometric environment close to the instrument and the atmospheric water vapor. This paper presents CR induced neutrons measurements analyses from 2015 to 2021 in Concordia, integrating corrections to take into account environmental and systematic effects. Long-term and short-term analyses are proposed, applied to count rate, fluxes and spectra. A last part investigates the contribution of modelling to data analyses and the ability to deduce the solar modulation from neutron spectra and the radiation field extrapolation using nuclear transport in atmosphere. An underlying objective is also to improve physical models allowing analyses of continuous and simultaneously measurements of CR induced neutrons spectra. |
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1112 |
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yes |
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8516 |
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Author |
Simon Thomas, Pierre-Louis Blelly, Aurelie Marchaudon, Julian Eisenbeis, Samuel Bird |
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Title |
Simulating the Response of the Ionosphere in IPIM to Extreme Space Weather |
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Communication |
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Year |
2021 |
Publication |
AGU Fall Meeting 2021, 13-17 December 2021, New Orleans, USA |
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Volume |
2021 |
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Pages |
SM45C-2291 |
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Abstract |
The IRAP Plasmasphere Ionosphere Model (IPIM) is an ionospheric model which describes the transport equations of ionospheric plasma species along magnetic closed field lines. As input, the previous iteration of IPIM used basic models to provide estimations of the solar wind conditions, convection, and precipitation within the ionosphere. In this presentation, we discuss the development of a new operational version of IPIM as part of the EUHFORIA project to monitor and forecast space weather conditions and hazards. The developments of the model include using in-situ solar wind observations from the OMNI data set, ionospheric radar data of plasma motions from the Super Dual Auroral Radar Network (SuperDARN), and precipitation data from the Ovation model, as inputs to the model. A new conductivity module for low latitudes has also been developed for help in the simulation of geomagnetically induced currents. We present the first results from the latest IPIM version which explore the ionosphere's response to different solar wind conditions, before focussing on an extreme coronal mass ejection on 14th July 2012 with clear magnetic cloud and southward magnetic field. For this event, we explore simulations of important plasma properties of the ionosphere and compare with previous model iterations and all available observations and hence describe the skill of using IPIM as a space weather forecasting tool. |
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312 |
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8524 |
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Author |
Jouanneau W.; Léandri-breton D-j.; Herzke D.; Moe B.; Nikiforov V. A.; Pallud M.; Parenteau C.; Gabrielsen G. W.; Chastel O. |
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Title |
Maternal transfer of contaminants and endocrine disruption in an Arctic seabird |
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Peer-reviewed symposium |
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Year |
2021 |
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330 |
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yes |
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8655 |
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Journal |
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2021 |
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Volume |
118 |
Issue |
2 |
Pages |
245-275 |
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1217 |
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yes |
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8690 |
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Author |
Vallas B. |
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Title |
Structuration spatiale et temporelle des colonies de manchots royaux (Aptenodytes patagonicus) |
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2021 |
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137 |
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8717 |
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Author |
Pauline Goulet, Yan Roper-Coudert, Christophe Guinet |
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Title |
Using on-animal sensors to study the Ocean and its inhabitants |
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Peer-reviewed symposium |
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2021 |
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Animal Distribution Bio-logger Bio-logging Drones & Cap' |
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Abstract |
Bio-logging is a methodological approach in which miniature data recording devices are temporarily attached to free-ranging animals to monitor their movement, behaviour and physiology, as well as the physical parameters of the environment directly surrounding the animals, turning them into bio-plateformes. Unsurprisingly bio-logging emerged from marine and polar studies where the monitoring of individuals in these harsh and remote places cannot be done using traditional approaches. Miniaturization and technological advances has meant that the range of species that can be instrumented, as well as the diversity of the questions that can be sought through bio-logging, are expanding fast. New sensors are constantly being developed, pushing further the limits of this field. Instrumented animals deliver information not only on their activities but also on the physical characteristics of the environments they go through. For instance, over the last two decades, loggers attached to deep diving seals have supplemented physical oceanographic measurements with hydrographic profiles from CTD loggers but also with new series of biological measurements. For examples, fluorescence and light sensors provided information on the concentration of phytoplankton in the euphotic layer; miniature echo sounders together with high sensitivity and fast responding light sensor to detect bioluminescence, brought considerable progress in detecting small size particles (>1-2 mm) such as marine snow, zooplankton, but also fish and squids and estimate their abundance. |
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1201 |
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8739 |
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