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Author |
Legrand, M.; Preunkert, S.; Galy-Lacaux, C.; Liousse, C.; Wagenbach, D. |
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Title |
Atmospheric year-round records of dicarboxylic acids and sulfate at three French sites located between 630 and 4360 m elevation |
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Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume  |
110 |
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Keywords |
dicarboxylates; secondary production; high-elevated sites; 0365 Atmospheric Composition and Structure: Troposphere: composition and chemistry; 0368 Atmospheric Composition and Structure: Troposphere: constituent transport and chemistry; 0322 Atmospheric Composition and Structure: Constituent sources and sinks |
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414 |
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American Geophysical Union |
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0148-0227 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5575 |
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Author |
Masson-Delmotte, V.; Landais, A.; Stievenard, M.; Cattani, O.; Falourd, S.; Jouzel, J.; Johnsen, S.J.; Dahl-Jensen, D.; Sveinsbjornsdottir, A.; White, J.W.C.; Popp, T.; Fischer, H. |
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Title |
Holocene climatic changes in Greenland: Different deuterium excess signals at Greenland Ice Core Project (GRIP) and NorthGRIP |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
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Keywords |
paleoclimate; polar ice sheet; water cycle; 1041 Geochemistry: Stable isotope geochemistry; 0724 Cryosphere: Ice cores; 1620 Global Change: Climate dynamics; 1655 Global Change: Water cycles; 3344 Atmospheric Processes: Paleoclimatology |
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Abstract |
Water stable isotope measurements (?D and ?18O) have been conducted on the Holocene part of two deep Greenland ice cores (Greenland Ice Core Project (GRIP) and NorthGRIP), located ?320 km apart. These combined measurements provide the first two continuous Greenland Holocene deuterium excess profiles (d = ?D ? 8?18O), a parameter strongly influenced by changes in moisture sources. We discuss here temporal and regional fluctuations of the deuterium excess within central to north Greenland, with a mean temporal resolution of ?4 years. Although GRIP and NorthGRIP exhibit similar annual mean surface temperatures and ?18O levels, a significant offset of modern deuterium excess is observed between the two sites. We attribute this offset to a different mix of modern moisture sources, pointing to regional-scale differences in moisture advection toward Greenland. The common long-term deuterium excess Holocene increasing trend is probably related to the increased relative contribution of low-latitude moisture to Greenland snowfall, in response to the change in the Earth obliquity, as symmetrically observed in Antarctica. Three abrupt declines punctuate the GRIP excess record (8.2, 4.5, and 0.35 ka BP), suggesting associated reorganizations of the northern high latitudes hydrological cycle. The 8.2 ka BP event is characterized by (1) a rapid cooling followed by a progressive warming and (2) a deuterium excess cooling restricted to GRIP, therefore totally different from rapid events during glacial times. By contrast, the NorthGRIP deuterium excess record is more stable. We propose that a slightly larger proportion of moisture supplied by local storm tracks to GRIP induces an isotopic compensation mechanism between simultaneous site and source temperature coolings, resulting in a rather temperature-insensitive ?18O profile, together with well-marked deuterium excess amplitudes. NorthGRIP ?18O seems less biased by isotopic processes and should provide a more reliable past temperature record. |
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458 |
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American Geophysical Union |
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0148-0227 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5508 |
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Author |
Miroshnichenko, L.I.; Klein, K.-L.; Trottet, G.; Lantos, P.; Vashenyuk, E.V.; Balabin, Y.V.; Gvozdevsky, B.B. |
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Title |
Relativistic nucleon and electron production in the 2003 October 28 solar event |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
Issue |
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Pages |
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Keywords |
relativistic solar cosmic rays; GLE modeling; interplanetary propagation; solar radioemissions; flare ejecta; IMF loop structures; 2104 Interplanetary Physics: Cosmic rays; 2111 Interplanetary Physics: Ejecta, driver gases, and magnetic clouds; 2114 Interplanetary Physics: Energetic particles; 7534 Solar Physics, Astrophysics, and Astronomy: Radio emissions; 7519 Solar Physics, Astrophysics, and Astronomy: Flares |
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Programme |
227 |
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Publisher |
American Geophysical Union |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5625 |
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Title |
An intercomparison campaign of ground-based UV-visible measurements of NO2, BrO, and OClO slant columns. Methods of analysis and results for NO2 |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
Issue |
d8 |
Pages |
D08305 |
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Programme |
904 |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
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Serial |
3228 |
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Author |
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Title |
Ionospheric signatures of plasma injections in the cusp triggered by solar wind pressure pulses |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
Issue |
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Pages |
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Keywords |
flux transfer events; cusp; reconnection; flow bursts; solar wind pressure; 2463 Ionosphere: Plasma convection; 2712 Magnetospheric Physics: Electric fields; 2716 Magnetospheric Physics: Energetic particles: precipitating; 2736 Magnetospheric Physics: Magnetosphere/ionosphere interactions; 2784 Magnetospheric Physics: Solar wind/magnetosphere interactions |
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Abstract |
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Programme |
312;911 |
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Publisher |
American Geophysical Union |
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ISSN |
0148-0227 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5608 |
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Title |
Interior structure of terrestrial planets: Modeling Mars' mantle and its electromagnetic, geodetic, and seismic properties |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
Issue |
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Pages |
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Keywords |
internal structure; Mars; network science; 5430 Planetary Sciences: Solid Surface Planets: Interiors; 6225 Planetary Sciences: Solar System Objects: Mars; 3672 Mineralogy and Petrology: Planetary mineralogy and petrology |
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Abstract |
We present a new procedure to describe the one-dimensional thermodynamical state and mineralogy of any Earth-like planetary mantle, with Mars as an example. The model parameters are directly related to expected results from a geophysical network mission, in this case electromagnetic, geodetic, and seismological processed observations supplemented with laboratory measurements. We describe the internal structure of the planet in terms of a one-dimensional model depending on a set of eight parameters: for the crust, the thickness and the mean density, for the mantle, the bulk volume fraction of iron, the olivine volume fraction, the pressure gradient, and the temperature profile, and for the core, its mass and radius. Currently, available geophysical and geochemical knowledge constrains the range of the parameter values. In the present paper, we develop the forward problem and present the governing equations from which synthetic data are computed using a set of parameter values. Among all Martian models fitting the currently available knowledge, we select eight candidate models for which we compute synthetic network science data sets. The synergy between the three geophysical experiments of electromagnetic sounding, geodesy, and seismology is emphasized. The stochastic inversion of the synthetic data sets will be presented in a companion paper. |
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Programme |
905;907 |
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Thesis |
Bachelor's thesis |
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Publisher |
American Geophysical Union |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5567 |
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Author |
Langenfelds R., Van Der Schoot M.V., Francey R.J., Steele L.P., Schmidt M. & Mukai H. |
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Title |
Modification of air standard composition by diffusive and surface processes |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
Issue |
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Pages |
D13307 |
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Programme |
439;416 |
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0148-0227 |
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yes |
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Call Number |
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Serial |
4170 |
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Author |
Halsey, L.G.; Andreas Fahlman, A;, Handrich, Y.; Schmidt, A.; Woakes,A.J.; Butler, P.J. |
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Title |
How accurately can we estimate energetic costs in a marine top predator, the king penguin? |
Type |
Journal Article |
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Year |
2007 |
Publication |
Zoological science |
Abbreviated Journal |
Zool. Sci. |
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Volume |
110 |
Issue |
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Pages |
81-92 |
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Programme |
394 |
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ISSN |
0289-0003 |
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Approved |
yes |
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Call Number |
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Serial |
5047 |
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Author |
De Lauretis, M.; Francia, P.; Vellante, M.; Piancatelli, A.; Villante, U.; Di Memmo, D. |
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Title |
ULF geomagnetic pulsations in the southern polar cap: Simultaneous measurements near the cusp and the geomagnetic pole |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
Issue |
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Pages |
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Keywords |
polar cap phenomena; cusp; MHD waves and turbulence; solar wind/magnetosphere interactions; 2776 Magnetospheric Physics: Polar cap phenomena; 2706 Magnetospheric Physics: Cusp; 2784 Magnetospheric Physics: Solar wind/magnetosphere interactions; 2752 Magnetospheric Physics: MHD waves and instabilities; 2740 Magnetospheric Physics: Magnetospheric configuration and dynamics |
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Abstract |
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Programme |
1130 |
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Publisher |
American Geophysical Union |
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ISSN |
0148-0227 |
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yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5494 |
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Author |
Francia, P.; Lanzerotti, L.J.; Villante, U.; Lepidi, S.; Di Memmo, D. |
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Title |
A statistical analysis of low-frequency magnetic pulsations at cusp and cap latitudes in Antarctica |
Type |
Journal Article |
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Year |
2005 |
Publication |
Journal of geophysical research-atmospheres |
Abbreviated Journal |
J. Geophys. Res. |
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Volume |
110 |
Issue |
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Pages |
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Keywords |
polar cap and cusp pulsations; magnetospheric wave guide modes; field line resonances; open/closed field line boundary; 2784 Magnetospheric Physics: Solar wind/magnetosphere interactions; 2740 Magnetospheric Physics: Magnetospheric configuration and dynamics; 2776 Magnetospheric Physics: Polar cap phenomena; 2706 Magnetospheric Physics: Cusp; 2752 Magnetospheric Physics: MHD waves and instabilities |
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Abstract |
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Programme |
1130 |
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Publisher |
American Geophysical Union |
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ISSN |
0148-0227 |
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Approved |
yes |
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Call Number |
IPEV @ Thierry.Lemaire @ |
Serial |
5495 |
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