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Record #126523:
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MARC recordTrajectory analysis of source regions influencing the south Greenland ice sheet during the Dye 3 Gas and Aerosol Sampling Program / Cliff I. Davidson, Jean-Luc Jaffrezo, Mitchell J. Small, Peter W. Summers, Marvin P. Olson, Randolph D. Borys.
| Title: | Trajectory analysis of source regions influencing the south Greenland ice sheet during the Dye 3 Gas and Aerosol Sampling Program / Cliff I. Davidson, Jean-Luc Jaffrezo, Mitchell J. Small, Peter W. Summers, Marvin P. Olson, Randolph D. Borys. |
| Author(s): | Davidson, Cliff I. Jaffrezo, Jean-Luc. Small, Mitchell J. Summers, Peter W. Olson, Marvin P. Borys, Randolph D. |
| Date: | 1993. |
| Abstract: | 5-day backward air-mass trajectories were computed for each day of DGASP sampling year (August 1988 to July 1989) at 775, 700 and 500 mbar. Trajectories at 775 and 700 mbar were used as transit time analysis to identify locations where air masses have spent most time before arriving at Dye 3. This analysis is augmented by scatter plots showing locations of air masses 5 d before reaching receptor site. Results show that potential source regions influencing southern Greenland vary with season. Most important source regions are south-west of Dye 3 in autumn, west in winter, and north-west in spring; there is less long-range transport in summer. Southern part of ice sheet appears to be influenced by different annual variation of source regions and transport pathways than sea-level Arctic sites. |
| Notes: | Offprint: Atmospheric Environment. Vol. 27A(17-18) :2739-2749. |
| Keywords: | 551.510.41 -- Atmosphere, chemical properties. 551.510.42 -- Atmospheric impurities, dust and aerosols. 551.578.46 -- Snow cover and snow patches. 551.324 -- Land ice. 54 -- Chemistry. 551.324.24 -- Ice sheets and caps. 551.324.84 -- Land ice, impurities. 551.513 -- Atmosphere, general circulation. 001.89 -- Research programmes: Dye 3 Gas and Aerosol Sampling Program (DGASP). 551.32 -- Glaciology. 504.054 -- Pollution. 504.054(203) -- Pollution, air. E9 -- Glaciology: meteorology and climatology. (*38) -- Greenland. |
| Location(s): | SCO: SPRI-SHF: 551.510.41 |
| SPRI record no.: | 126523 |
LDR 02399nam#a2200000#a#4500 001 SPRI-126523 005 20231202001201.0 007 ta 008 231202s1993####xx#b##|##|###|0||#0|eng#d 035 ## ‡aSPRI-126523 040 ## ‡aUkCU-P‡beng‡eaacr 245 00 ‡aTrajectory analysis of source regions influencing the south Greenland ice sheet during the Dye 3 Gas and Aerosol Sampling Program /‡cCliff I. Davidson, Jean-Luc Jaffrezo, Mitchell J. Small, Peter W. Summers, Marvin P. Olson, Randolph D. Borys. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 2739-2749 :‡bmaps. 500 ## ‡aOffprint: Atmospheric Environment. Vol. 27A(17-18) :2739-2749. 520 3# ‡a5-day backward air-mass trajectories were computed for each day of DGASP sampling year (August 1988 to July 1989) at 775, 700 and 500 mbar. Trajectories at 775 and 700 mbar were used as transit time analysis to identify locations where air masses have spent most time before arriving at Dye 3. This analysis is augmented by scatter plots showing locations of air masses 5 d before reaching receptor site. Results show that potential source regions influencing southern Greenland vary with season. Most important source regions are south-west of Dye 3 in autumn, west in winter, and north-west in spring; there is less long-range transport in summer. Southern part of ice sheet appears to be influenced by different annual variation of source regions and transport pathways than sea-level Arctic sites. 650 07 ‡a551.510.41 -- Atmosphere, chemical properties.‡2udc 650 07 ‡a551.510.42 -- Atmospheric impurities, dust and aerosols.‡2udc 650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a54 -- Chemistry.‡2udc 650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc 650 07 ‡a551.324.84 -- Land ice, impurities.‡2udc 650 07 ‡a551.513 -- Atmosphere, general circulation.‡2udc 650 07 ‡a001.89 -- Research programmes: Dye 3 Gas and Aerosol Sampling Program (DGASP).‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a504.054 -- Pollution.‡2udc 650 07 ‡a504.054(203) -- Pollution, air.‡2udc 650 07 ‡aE9 -- Glaciology: meteorology and climatology.‡2local 651 #7 ‡a(*38) -- Greenland.‡2udc 700 1# ‡aDavidson, Cliff I. 700 1# ‡aJaffrezo, Jean-Luc. 700 1# ‡aSmall, Mitchell J. 700 1# ‡aSummers, Peter W. 700 1# ‡aOlson, Marvin P. 700 1# ‡aBorys, Randolph D. 852 7# ‡2camdept‡bSCO‡cSPRI-SHF‡h551.510.41‡9Create 1 item record‡0Migrate 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231202