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Record #109967:

Methanesulfonic acid in south polar snow layers: a record of strong El Nino? / M. Legrand, C. Feniet-Saigne.

Title: Methanesulfonic acid in south polar snow layers: a record of strong El Nino? / M. Legrand, C. Feniet-Saigne.
Author(s): Legrand, M.
Feniet-Saigne, C.
Date: 1991.
In: Geophysical Research Letters. (1991.), Vol. 18(2) (1991)
Abstract: MSA and non-sea-salt sulphate are oxidation products of dimethylsulphide (DMS), which is mainly produced by marine biota. From 1922 to 1984, nss-SO₄ remained rather stable except for short-term increases after two volcanic eruptions, whereas MSA profile over same period showed several sporadic (0.5 to 2 years) increases. All these MSA events seem to be correlated to major events in 1925-26, 1941, 1957-58, 1972-73, 1982-83. Relatively high MSA/nss-SO₄ weight ratios observed in corresponding snow layers suggest these events reflect enhanced DMS emissions from Southern Ocean. Suggested connection between ENSO and high DMS marine emissions is discussed in terms of atmospheric and oceanic circulation.
Notes:

Geophysical Research Letters. Vol. 18(2) :187-190 (1991).

Keywords: 551.578.46 -- Snow cover and snow patches.
546 -- Chemistry, inorganic.
551.583 -- Climatic changes.
551.578.4 -- Ice needles, sleet, falling snow and graupel.
551.510.42 -- Atmospheric impurities, dust and aerosols.
551.465.5 -- Ocean currents.
E10 -- Glaciology: snow and avalanches.
(*7) -- Antarctic regions.
(*80) -- Southern Ocean.
SPRI record no.: 109967

MARCXML

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245 10 ‡aMethanesulfonic acid in south polar snow layers :‡ba record of strong El Nino? /‡cM. Legrand, C. Feniet-Saigne.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1991.
300 ## ‡ap. 187-190 :‡bdiags., table.
500 ## ‡aGeophysical Research Letters. Vol. 18(2) :187-190 (1991).
520 3# ‡aMSA and non-sea-salt sulphate are oxidation products of dimethylsulphide (DMS), which is mainly produced by marine biota. From 1922 to 1984, nss-SO₄ remained rather stable except for short-term increases after two volcanic eruptions, whereas MSA profile over same period showed several sporadic (0.5 to 2 years) increases. All these MSA events seem to be correlated to major events in 1925-26, 1941, 1957-58, 1972-73, 1982-83. Relatively high MSA/nss-SO₄ weight ratios observed in corresponding snow layers suggest these events reflect enhanced DMS emissions from Southern Ocean. Suggested connection between ENSO and high DMS marine emissions is discussed in terms of atmospheric and oceanic circulation.
650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc
650 07 ‡a546 -- Chemistry, inorganic.‡2udc
650 07 ‡a551.583 -- Climatic changes.‡2udc
650 07 ‡a551.578.4 -- Ice needles, sleet, falling snow and graupel.‡2udc
650 07 ‡a551.510.42 -- Atmospheric impurities, dust and aerosols.‡2udc
650 07 ‡a551.465.5 -- Ocean currents.‡2udc
650 07 ‡aE10 -- Glaciology: snow and avalanches.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
700 1# ‡aFeniet-Saigne, C.
773 0# ‡7nnas ‡tGeophysical Research Letters. ‡gVol. 18(2) (1991) ‡wSPRI-1033
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