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Record #126533:
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MARC recordSulfur 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 |
LDR 02028nam#a2200000#a#4500 001 SPRI-126533 005 20231206202954.0 007 ta 008 231206s1993####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-126533 040 ## ‡aUkCU-P‡beng‡eaacr 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 948 3# ‡a20231206