Assessment of ice particle growth-processes at dye-3, greenland. Borys, R., D., Delvecchio, D., Jaffrezo, J., L., Davidson, C., I., & Mitchell, D., L. Atmos Environ Pt A-Gen Top, 27:2815-2822, 1993. abstract bibtex As part of the DGASP program on the Greenland Ice
Sheet, an investigation was conducted into the nature of ice
particle formation processes that result in the formation of snow.
Ice particle habits were determined using Formvar replicas of
falling snow crystals. From these measurements an assessment of the
primary growth process and altitude of formation was made. Results
indicate that the scavenging of cloud water by falling ice
particles, growth by accretion or riming, rarely occurs. However,
when riming does occur, it is usually associated with warmer air
masses from the south. The occurrence of riming was also observed
to be dependent on the season, with a greater frequency occuring
during warmer months. It was estimated that ice particle riming
contributes less than 5% of the average annual water mass, but up
to 30% of the deposition of some chemical species, deposited to
the Greenland Ice Sheet at Dye 3. Ice particle habits indicate that
they originate at higher altitudes above the ice cap in summer than
in winter. Variations in the magnitude of ice particle riming, the
elevation of origin of ice particles, the meteorology and the
season of the year are all essential when interpreting snow
chemistry and comparing snow and aerosol chemistry at Dye 3. C1
CARNEGIE MELLON UNIV,DEPT CIVIL ENGN,PITTSBURGH,PA 15213.
@article{
title = {Assessment of ice particle growth-processes at dye-3, greenland},
type = {article},
year = {1993},
pages = {2815-2822},
volume = {27},
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abstract = {As part of the DGASP program on the Greenland Ice
Sheet, an investigation was conducted into the nature of ice
particle formation processes that result in the formation of snow.
Ice particle habits were determined using Formvar replicas of
falling snow crystals. From these measurements an assessment of the
primary growth process and altitude of formation was made. Results
indicate that the scavenging of cloud water by falling ice
particles, growth by accretion or riming, rarely occurs. However,
when riming does occur, it is usually associated with warmer air
masses from the south. The occurrence of riming was also observed
to be dependent on the season, with a greater frequency occuring
during warmer months. It was estimated that ice particle riming
contributes less than 5% of the average annual water mass, but up
to 30% of the deposition of some chemical species, deposited to
the Greenland Ice Sheet at Dye 3. Ice particle habits indicate that
they originate at higher altitudes above the ice cap in summer than
in winter. Variations in the magnitude of ice particle riming, the
elevation of origin of ice particles, the meteorology and the
season of the year are all essential when interpreting snow
chemistry and comparing snow and aerosol chemistry at Dye 3. C1
CARNEGIE MELLON UNIV,DEPT CIVIL ENGN,PITTSBURGH,PA 15213.},
bibtype = {article},
author = {Borys, R D and Delvecchio, D and Jaffrezo, J L and Davidson, C I and Mitchell, D L},
journal = {Atmos Environ Pt A-Gen Top}
}
Downloads: 0
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From these measurements an assessment of the\nprimary growth process and altitude of formation was made. Results\nindicate that the scavenging of cloud water by falling ice\nparticles, growth by accretion or riming, rarely occurs. However,\nwhen riming does occur, it is usually associated with warmer air\nmasses from the south. The occurrence of riming was also observed\nto be dependent on the season, with a greater frequency occuring\nduring warmer months. It was estimated that ice particle riming\ncontributes less than 5% of the average annual water mass, but up\nto 30% of the deposition of some chemical species, deposited to\nthe Greenland Ice Sheet at Dye 3. Ice particle habits indicate that\nthey originate at higher altitudes above the ice cap in summer than\nin winter. Variations in the magnitude of ice particle riming, the\nelevation of origin of ice particles, the meteorology and the\nseason of the year are all essential when interpreting snow\nchemistry and comparing snow and aerosol chemistry at Dye 3. 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From these measurements an assessment of the\nprimary growth process and altitude of formation was made. Results\nindicate that the scavenging of cloud water by falling ice\nparticles, growth by accretion or riming, rarely occurs. However,\nwhen riming does occur, it is usually associated with warmer air\nmasses from the south. The occurrence of riming was also observed\nto be dependent on the season, with a greater frequency occuring\nduring warmer months. It was estimated that ice particle riming\ncontributes less than 5% of the average annual water mass, but up\nto 30% of the deposition of some chemical species, deposited to\nthe Greenland Ice Sheet at Dye 3. Ice particle habits indicate that\nthey originate at higher altitudes above the ice cap in summer than\nin winter. 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