| Records |
| Author |
Le Bourg Baptiste |
| Title |
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Type  |
Thesis |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
287 pp. |
| Keywords |
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| Abstract |
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| Programme |
1044 |
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Expedition |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8067 |
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| Author |
Le Bohec C. |
| Title |
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Type |
Thesis |
| Year |
2020 |
Publication |
Hdr |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
pp 90 |
| Keywords |
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| Abstract |
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| Programme |
137 |
| Campaign |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8353 |
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| Author |
Houstin A. |
| Title |
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Type |
Thesis |
| Year |
2020 |
Publication |
Phd |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
pp 368 |
| Keywords |
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| Abstract |
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| Programme |
137 |
| Campaign |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
8495 |
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| Author |
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| Title |
Enhancement of ocean and sea ice in situ observations in the Arctic under the Horizon2020 project INTAROS |
Type |
Peer-reviewed symposium |
| Year |
2020 |
Publication |
Ocean Science Meeting 2020 |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Abstract |
The H2020 project Integrated Arctic Observation System (INTAROS) aspires to increase the temporal and geographic coverage of in situ observations and add new key geophysical and biogeochemical variables in selected regions of the Arctic. By using a combination of mature and new instruments and sensors in integration with existing observatories, INTAROS aims to fill selected gaps in the present-day system and build additional capacity of the Arctic monitoring networks for ocean and sea ice. Three reference sites have been selected as key locations for monitoring ongoing Arctic changes: Costal Greenland, paramount for freshwater output from the Greenland ice sheet; North of Svalbard (covering the region from shelf to deep basin) – the hot-spot for ocean-air-sea ice interactions, and heat and biological energy input to the European Arctic; and Fram Strait – the critical gateway for exchanges between the Arctic and the World oceans. The existing observatories in the reference sites have been extended with new moorings and novel autonomous instrumentation, in particular for biogeochemical measurements and sea ice observations. Bottom-mounted instruments have been also implemented for seismic observations. A distributed observatory for ocean and sea ice in the Arctic Ocean and sub-Arctic seas includes non-stationary components such as ice-tethered observing platforms, float, gliders, and ships of opportunities, collecting multidisciplinary observations, still missing from the Arctic regions. New sensors, integrated platforms and experimental set-ups are currently under implementation during a two-year long deployment phase (2018-2020) with an aim to evaluate their sustained use in a future iAOS. New observations will be used for integration of new data products, demonstration studies and stakeholder consultations, contributing also to ongoing and future long-term initiatives (e.g. SAON). |
| Programme |
1141 |
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ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
3811 |
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| Author |
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| Title |
Towards ASTEP+, a two-color photometric telescope at Dome C, Antarctica |
Type |
Peer-reviewed symposium |
| Year |
2020 |
Publication |
Ground-based and Airborne Instrumentation for Astronomy VIII |
Abbreviated Journal |
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| Volume |
11447 |
Issue |
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Pages |
114470O |
| Keywords |
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| Abstract |
Dome C, Antarctica is unique in particular for long-duration astronomical observations due to the excellent weather conditions and nearly uninterrupted nights during the Southern winter period. The 40 cm telescope ASTEP has been operating successfully at the Concordia base, at Dome C, since 2010. We describe the new ASTEP+, a major upgrade of its camera box which will allow it to observe simultaneously in two colors. Approximately three times more photons will be collected for science, yielding more sensitive and accurate observations. The southern location of the telescope means that it is ideally located to follow-up exoplanetary targets in preparation for the future JWST and Ariel observations, in particular when located in the southern continuous viewing zones of these space-based telescopes. |
| Programme |
1066 |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
7803 |
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| Author |
Téchiné P., G. Alory, L. Testut, L'us-imago Brest &Amp; Nouméa Et La Dt/insu Brest. |
| Title |
ROSAME / SSS – Gestion d'observations océanographiques |
Type |
Peer-reviewed symposium |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
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| Abstract |
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| Programme |
688 |
| Campaign |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
7746 |
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| Author |
Duc Marine |
| Title |
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Type |
Peer-reviewed symposium |
| Year |
2020 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
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| Abstract |
Nb: Postponed Due To Covid Crisis |
| Programme |
1213 |
| Campaign |
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| Address |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
7749 |
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| Author |
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| Title |
Evidence of irradiation in interplanetary space in minerals from an ultracarbonaceous Antarctic micrometeorites (UCAMM) |
Type |
Peer-reviewed symposium |
| Year |
2020 |
Publication |
Lunar and Planetary Science Conference |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
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| Abstract |
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| Programme |
1120 |
| Campaign |
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Edition |
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ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
7909 |
| Permanent link to this record |
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| Author |
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| Title |
STEM and STXM-XANES analysis of FIB sections of Ultracarbonaceous Antarctic Micrometeorites (UCAMMs) |
Type |
Peer-reviewed symposium |
| Year |
2020 |
Publication |
Lunar and Planetary Science Conference, id 2117 |
Abbreviated Journal |
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| Volume |
51 |
Issue |
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Pages |
2117 |
| Keywords |
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| Abstract |
Introduction: Ultracarbonaceous Antarctic Micrometeorites (UCAMMS) are extraterrestrial dust particles containing large amount of carbonaceous material with elevated D/H ratios [1] and high N/C atomic ratio (up to 0.2)[2]. UCAMMS are rare (~ 1% of the particles in the Concordia meteorite collection) but they have been identified in several collection of interplanetary dust [3, 4]. They are most probably of cometary origin. Here, we studied the association of organic matter and minerals by scanning transmission X-ray microscopy (STXM-XANES) coupled with scanning transmission electronic microscopy (TEM/STEM). Samples and Methods: The UCAMMs studied here were collected in the Antarctic snow, close to the Concordia station at Dome C [3]. FIB sections of 8 UCAMMs (DC06-18, DC06-41, DC06-43, DC06-65, DC06-308, DC06-139, DC16-30, DC16-309) were analyzed using synchrotron based STXM-XANES at the carbon, nitrogen and oxygen K-edges. The FIB sections were subsequently analyzed with transmission electron microscopy (TEM/STEM) using a FEI Tecnai G2 20 and a FEI TITAN Themis 300 [5, 6]. Peak identification of STXM-XANES spectra are based on [7]. XANES spectra are processed and quantified using Quantorxs method [8] and quantification of STEM EDS spectra has been realized using Hyperspy software [9]. Here, we mainly present results obtained on two recently identified UCAMMs (DC06-308 and DC16-309) and compare them with previous observations [1, 5, 6]. Results: The STXM-XANES analysis reveals 3 types of organic matter (OM) characterized by different carbon speciation. Figure 1 shows type I OM in blue and type II OM in green, both having spectra close to that of chondritic insoluble organic matter (IOM). The main peaks of type I and II OMs are found around 284.8 eV (aromatic and olefinic groups (C=C)), 286.4 eV (ketone and phenol C=O) and 288.4 eV (carboxyl O=C-O). Type II OM exhibits similar functional groups as type I OM but the first peak position is shifted to 285 eV, indicating a stronger contribution of the aromatic groups. The atomic N/C ratio of types I/II OMs range between 0.01 and 0.05 (1?=0.02) similar to those of chondritic IOM. The type III, in red on Figure 1 exhibits larger differences. The main peak is at 286.4 eV (C?N nitrile), a small peak at 284.8 eV (alkene |
| Programme |
1120 |
| Campaign |
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| Address |
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Edition |
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ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
7910 |
| Permanent link to this record |
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| Author |
Y. Kebukawa, M. Zolensly, J. Mathurin, E. Dartois, C. Engrand, J. Duprat, A. Deniset-Besseau, A. Dazzi, M. Fries, T. Ohigashi, D. Wakabayashi, S. Yamashita, Y. Takeichi, Y. Takahashi, M. Kondo, M. Ito, Y. Kodama, Z. Rahman, K. Kobayashi |
| Title |
Organic matter in the Aguas Zarcas (CM2) meteorite: high abundance of aliphatic carbon in metal-rich lithology |
Type |
Peer-reviewed symposium |
| Year |
2020 |
Publication |
Lunar and Planetary Science Conference, id 1349 |
Abbreviated Journal |
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| Volume |
51 |
Issue |
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Pages |
1614 |
| Keywords |
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| Abstract |
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| Programme |
1120 |
| Campaign |
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Series Issue |
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Edition |
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ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
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Approved |
yes |
| Call Number |
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Serial |
7911 |
| Permanent link to this record |
