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Record #129070:

Present Antarctic aerosol composition: a memory of ice age atmospheric dust? / Robert J. Delmas, J.R. Petit.

Title: Present Antarctic aerosol composition: a memory of ice age atmospheric dust? / Robert J. Delmas, J.R. Petit.
Author(s): Delmas, Robert J.
Petit, J. R.
Date: 1994.
In: Geophysical Research Letters. (1994.), Vol. 21(10) (1994)
Abstract: Data obtained from chemical analysis of deep Antarctic ice cores has been reexamined. Correlations found between concentrations of these elements suggest that Patagonian continental shelf was dominant aerosol source during last ice age, dust being mixture of marine clay and carbonates. Also, it is proposed that sea salt deposited on continental shelf sediments during drop in sea level was emitted and transported jointly with dust. Present Antarctic aerosol is very similar to that deduced from ice-core studies for glacial climatic conditions. Concludes that present Antarctic aerosol originates mainly from ice-age aeolian deposits in South American cold deserts.
Notes:

Geophysical Research Letters. Vol. 21(10) :879-882 (1994).

Keywords: 551.32 -- Glaciology.
551.324 -- Land ice.
551.324.24 -- Ice sheets and caps.
551.324.84 -- Land ice, impurities.
54 -- Chemistry.
551.510.42 -- Atmospheric impurities, dust and aerosols.
551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.
622.14 -- Core sampling, ice and snow.
551.583.3 -- Climatic changes, Quaternary.
E5 -- Glaciology: land ice.
(*7) -- Antarctic regions.
SPRI record no.: 129070

MARCXML

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245 10 ‡aPresent Antarctic aerosol composition :‡ba memory of ice age atmospheric dust? /‡cRobert J. Delmas, J.R. Petit.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1994.
300 ## ‡ap. 879-882 :‡bdiags.
500 ## ‡aGeophysical Research Letters. Vol. 21(10) :879-882 (1994).
520 3# ‡aData obtained from chemical analysis of deep Antarctic ice cores has been reexamined. Correlations found between concentrations of these elements suggest that Patagonian continental shelf was dominant aerosol source during last ice age, dust being mixture of marine clay and carbonates. Also, it is proposed that sea salt deposited on continental shelf sediments during drop in sea level was emitted and transported jointly with dust. Present Antarctic aerosol is very similar to that deduced from ice-core studies for glacial climatic conditions. Concludes that present Antarctic aerosol originates mainly from ice-age aeolian deposits in South American cold deserts.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc
650 07 ‡a551.324.84 -- Land ice, impurities.‡2udc
650 07 ‡a54 -- Chemistry.‡2udc
650 07 ‡a551.510.42 -- Atmospheric impurities, dust and aerosols.‡2udc
650 07 ‡a551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.‡2udc
650 07 ‡a622.14 -- Core sampling, ice and snow.‡2udc
650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc
650 07 ‡aE5 -- Glaciology: land ice.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
700 1# ‡aPetit, J. R.
773 0# ‡7nnas ‡tGeophysical Research Letters. ‡gVol. 21(10) (1994) ‡wSPRI-1033
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20240329