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Record #126533:

Sulfur dioxide reactions on ice surfaces: implications for dry deposition to snow / Martha H. Conklin, Richard A. Sommerfeld, S. Kay Laird, John E. Villinski.

Title: Sulfur dioxide reactions on ice surfaces: implications for dry deposition to snow / Martha H. Conklin, Richard A. Sommerfeld, S. Kay Laird, John E. Villinski.
Author(s): Conklin, Martha H.
Sommerfeld, Richard A.
Laird, S. Kay.
Villinski, John E.
Date: 1993.
Abstract: Controlled exposure of ice to SO₂ demonstrated importance of chemical composition of ice surface on accumulation of acidity in snow. Results of laboratory experiments show that aqueous-phase reactions can occur below --8°C. Results for different salt concentrations show that increasing ionic strength facilitates SO₂ oxidation at colder temperatures, which is consistent with freezing point depression. One environmental implication is that snowpacks in areas with background SO₂ can accumulate acidity during winter months. As acidity accumulates, solubility of SO₂ will decrease, causing concomitant decrease in air-to-surface flux of SO₂. Modelling dry deposition of gases to snow surface should incorporate changing composition of ice surface.
Notes:

Offprint: Atmospheric Environment. Vol. 27A(17-18) :2927-2934.

Keywords: 551.32 -- Glaciology.
551.322 -- Ice and snow.
551.324 -- Land ice.
551.578.46 -- Snow cover and snow patches.
54 -- Chemistry.
541.183 -- Ice, adsorption, surface chemistry.
551.510.41 -- Atmosphere, chemical properties.
551.510.42 -- Atmospheric impurities, dust and aerosols.
504.054 -- Pollution.
504.054(203) -- Pollution, air.
E10 -- Glaciology: snow and avalanches.
Location(s): SCO: SPRI-SHF: 551.510.41
SPRI record no.: 126533

MARCXML

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245 00 ‡aSulfur dioxide reactions on ice surfaces :‡bimplications for dry deposition to snow /‡cMartha H. Conklin, Richard A. Sommerfeld, S. Kay Laird, John E. Villinski.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1993.
300 ## ‡ap. 2927-2934 :‡bdiags., table.
500 ## ‡aOffprint: Atmospheric Environment. Vol. 27A(17-18) :2927-2934.
520 3# ‡aControlled exposure of ice to SO₂ demonstrated importance of chemical composition of ice surface on accumulation of acidity in snow. Results of laboratory experiments show that aqueous-phase reactions can occur below --8°C. Results for different salt concentrations show that increasing ionic strength facilitates SO₂ oxidation at colder temperatures, which is consistent with freezing point depression. One environmental implication is that snowpacks in areas with background SO₂ can accumulate acidity during winter months. As acidity accumulates, solubility of SO₂ will decrease, causing concomitant decrease in air-to-surface flux of SO₂. Modelling dry deposition of gases to snow surface should incorporate changing composition of ice surface.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.322 -- Ice and snow.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc
650 07 ‡a54 -- Chemistry.‡2udc
650 07 ‡a541.183 -- Ice, adsorption, surface chemistry.‡2udc
650 07 ‡a551.510.41 -- Atmosphere, chemical properties.‡2udc
650 07 ‡a551.510.42 -- Atmospheric impurities, dust and aerosols.‡2udc
650 07 ‡a504.054 -- Pollution.‡2udc
650 07 ‡a504.054(203) -- Pollution, air.‡2udc
650 07 ‡aE10 -- Glaciology: snow and avalanches.‡2local
700 1# ‡aConklin, Martha H.
700 1# ‡aSommerfeld, Richard A.
700 1# ‡aLaird, S. Kay.
700 1# ‡aVillinski, John E.
852 7# ‡2camdept‡bSCO‡cSPRI-SHF‡h551.510.41‡9Create 1 item record‡0Migrate
917 ## ‡aUnenhanced record from Muscat, imported 2019
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