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Journal |
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Year |
2018 |
Publication |
Climate of the Past |
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Volume |
14 |
Issue |
6 |
Pages |
923-946 |
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411 |
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1814-9324 |
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1814-9324 |
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yes |
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7363 |
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Author |
Lacarra, M., E. Sultan, M.-N. Houssais and G. Williams |
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Conference - International - Article without Reading Comitee |
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2010 |
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452 |
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yes |
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2694 |
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Title |
Water Isotopic Signature of Surface Snow Metamorphism in Antarctica |
Type |
Journal |
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Year |
2021 |
Publication |
Geophysical Research Letters |
Abbreviated Journal |
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Volume |
48 |
Issue |
17 |
Pages |
e2021GL093382 |
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Keywords |
excess Ice cores metamorhism Paleoclimate water isotopes |
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Abstract |
Water isotope ratios of ice cores are a key source of information on past temperatures. Through fractionation within the hydrological cycle, temperature is imprinted in the water isotopic composition of snowfalls. However, this signal of climatic interest is modified after deposition when snow remains at the surface exposed to the atmosphere. Comparing time series of surface snow isotopic composition at Dome C with satellite observations of surface snow metamorphism, we found that long summer periods without precipitation favor surface snow metamorphism altering the surface snow isotopic composition. Using excess parameters (combining D,17O, and 18O fractions) allow the identification of this alteration caused by sublimation and condensation of surface hoar. The combined measurement of all three isotopic compositions could help identifying ice core sections influenced by snow metamorphism in sites with very low snow accumulation. |
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1110 |
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ISSN |
1944-8007 |
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yes |
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Call Number |
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8306 |
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Author |
Jouzel J., Hoffmann G., Koster R.D. & Masson V. |
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Title |
Water isotopes in precipitation:data/model comparison for present-day and past climates. |
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Journal Article |
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Year |
1999 |
Publication |
Quaternary science reviews |
Abbreviated Journal |
Quat Sci Rev |
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Volume |
19 |
Issue |
1-5 |
Pages |
363-379 |
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Programme |
909 |
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ISSN |
0277-3791 |
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yes |
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Call Number |
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Serial |
2319 |
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Title |
Water cycle and salinity dynamics in the mangrove forests of Europa and Juan de Nova Islands, southwest Indian Ocean |
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Journal |
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Year |
2016 |
Publication |
Rapid Communications in Mass Spectrometry |
Abbreviated Journal |
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Volume |
30 |
Issue |
2 |
Pages |
311-320 |
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Abstract |
Rationale The functioning of mangrove forests found on small coralline islands is characterized by limited freshwater inputs. Here, we present data on the water cycling of such systems located on Europa and Juan de Nova Islands, Mozambique Channel. Methods In order to better understand the water cycle and mangrove growth conditions, we have analysed the hydrological and salinity dynamics of the systems by gauge pressure and isotopic tracing (?18O and ?2H values). Results Both islands have important seawater intrusion as measured by the water level change and the high salinities in the karstic ponds. Europa Island displays higher salinity stress, with its inner lagoon, but presents a pluri?specific mangrove species formation ranging from shrub to forest stands. No freshwater signal could be detected around the mangrove trees. On Juan de Nova Island, the presence of sand and detrital sediment allows the storage of some amount of rainfall to form a brackish groundwater. The mangrove surface area is very limited with only small mono?specific stands being present in karstic depression. Conclusions On the drier Europa Island, the salinity of all the water points is equal to or higher than that of the seawater, and on Juan de Nova the groundwater salinity is lower (5 to 20 PSU). This preliminary study shows that the karstic pothole mangroves exist due to the sea connection through the fractured coral and the high tidal dynamics. Copyright ? 2015 John Wiley & Sons, Ltd. |
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688 |
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ISSN |
0951-4198 |
ISBN |
0951-4198 |
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yes |
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Call Number |
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Serial |
6849 |
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Author |
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Title |
Water cycle and salinity dynamics in the mangrove forests of Europa and Juan de Nova Islands, southwest Indian Ocean |
Type |
Journal |
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Year |
2016 |
Publication |
Rapid Communications in Mass Spectrometry |
Abbreviated Journal |
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Volume |
30 |
Issue |
2 |
Pages |
311-320 |
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688 |
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ISSN |
1097-0231 |
ISBN |
1097-0231 |
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yes |
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Call Number |
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Serial |
7056 |
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Author |
Engrand C., Deloule E., Hoppe P., Kurat G., Maurette M. & Robert F. |
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Title |
Water contents of micrometeorites from Antarctica. |
Type |
Journal Article |
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Year |
1996 |
Publication |
Lunar and planetary science |
Abbreviated Journal |
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Volume |
27 |
Issue |
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Pages |
337-338 |
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Programme |
226 |
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Bachelor's thesis |
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ISSN |
1540-7845 |
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yes |
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Serial |
2071 |
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Author |
Engrand C., Deloule E., Hoppe P., Kurat G., Maurette M. & Robert F. |
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Title |
Water contents of COPS-rich cosmic spherules from Antarctica. |
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Journal Article |
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Year |
1996 |
Publication |
Meteoritics |
Abbreviated Journal |
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Volume |
31 |
Issue |
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Pages |
43 |
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Programme |
226 |
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Bachelor's thesis |
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ISSN |
0026-1114 |
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yes |
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Serial |
334 |
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Title |
Wasp mimicry among Palaeocene reduviid bugs from Svalbard |
Type |
Journal |
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Year |
2013 |
Publication |
Acta palaeontologica polonica |
Abbreviated Journal |
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Volume |
58 |
Issue |
4 |
Pages |
883-887 |
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1005 |
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ISSN |
05677920 |
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yes |
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Call Number |
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Serial |
8139 |
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Author |
N. Ribeiro, L. Herraiz-Borreguero, S. R. Rintoul, C. R. McMahon, M. Hindell, R. Harcourt, G. Williams |
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Title |
Warm Modified Circumpolar Deep Water Intrusions Drive Ice Shelf Melt and Inhibit Dense Shelf Water Formation in Vincennes Bay, East Antarctica |
Type |
Journal |
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Year |
2021 |
Publication |
Journal of Geophysical Research: Oceans |
Abbreviated Journal |
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Volume |
126 |
Issue |
8 |
Pages |
e2020JC016998 |
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Keywords |
AABW Antarctic Coastal Circulation Antarctic Margins basal melt mCDW intrusions seal CTD |
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109 |
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ISSN |
2169-9291 |
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yes |
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Call Number |
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Serial |
8211 |
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