Method No. Regions studied Sampling time Latitude- Longitude Aerodynamic diameter, μm Tracer used Sample numbers Range of the ART, days Mean of the ART, days Reference 1 Thessaloniki Greece Nov. 2006-June 2008 40.63°N-22.97°E 0.76-1.18 7Be 12 7.4 - 8.9 8.0 [5] 2 Neuherberg Gemany 1996-1997 48.22°N-11.60°E - 7Be 46 5 - 6 - [36] 3 Fullerton USA 1974-1975 33.87°N-117.92°W - 7Be - - 35.4 [35] 4 Hongkong China Nov.-March 2001 22.30°N-114.17°E - 7Be - 2.6 -11.8 - [11] 5 Leningrad USSR 1963-1966 59.92°N-30.33°E - 7Be/32P 117 10 - 100 42 ±15 [41] 6 Berne Austria 1965 51.78°N-11.73°E - 7Be/32P 19 20 - 60 41 ±9 [42] 7 Toulouse France 1967 43.62°N-1.45°E - 7Be/32P 120 15 - 75 30 ±10 [15] 8 Vilnius USSR 1967-1969 54.63°N-25.32°E - 7Be/32P 24 8 - 47 26 ±9.3 [43] 9 Bavarian Alps Austria 1970-1980 48.83°N-12°E - 7Be/32P 3000 20 - 60 34 ±17 [44] 10 Antarctic Cont. 1977-1981 - - 7Be/32P 26 46 - 132 73 ±29 [45] 11 Troposphere 1959-1965 10 - 70°N - 7Be/32P 17 22 - 71 43 ±16 [46] 12 Stratosphere 1959-1965 10 - 70°N - 7Be/32P 21 47 - 93 64 ±14 [46] 13 Leningrad USSR 1964-1966 59.92°N-30.33°E - 7Be/35S 86 5 - 70 23 ±7.3 [41] 14 Aspendale Australia 1967-1968 37.83°S-145°E - 7Be/35S 8 30 - 150 78 ±38 [47] 15 Bavarian Alps Austria 1973-1975 48.83°N-12°E - 7Be/35S 600 10 - 60 31 ±10 [48] 16 Upper atmosphere 1960-1961 - - 7Be/35S 17 17 - 68 39 ±10.5 [49] 17 Vilnius USSR 1965-1969 54.63°N-25.32°E - 7Be/22Na 48 530 - 19000 4400 ±4400 [43] 18 Richland USA 1968-1976 43.35°N-90.38°W - 7Be/22Na 100 - 3000 [49] 19 Troposphere 1960-1961 - - 7Be/22Na 12 2630 - 14280 7200 ±3300 [50] 20 Stratosphere 1960-1961 - - 7Be/22Na 15 1550 - 11110 4500 ±2400 [50] 21 BalboaGemany/USA Feb. 1963 - - 90Sr - <3d – months - [51,52] 22 ANL USA June-July 1998 41.7°N-88.0°W 0.1-10 210Bi/210Pb 7 6 - 67 37.7 ±19.1 [11] 23 PHX USA May-June 1998 34.1°N-106.8°W 0.1-10 210Bi/210Pb 9 5 -78 43.7 ±20.3 [11] 24 NM USA May 1998 33.5°N-111.8°W 0.1-10 210Bi/210Pb 4 41 - 63 50.3 ±9.4 [11] 25 Poker Flat USA Jan.-Fab. 1996 65.1°N-147.5°W - 210Po/210Pb 2 11.9 - 32 22 ±14 [4] 26 Eagle USA March 1996 65.9°N-141.2°W - 210Po/210Pb 6 9.5 – 38.7 23 ±11 [4] 27 ANL USA June-August 1996 41.7°N-88.0°W 0.1-10 210Po/210Pb 19 27 - 66 44.4 ±10.6 [11] 28 ANL USA June-July 1998 41.7°N-88.0°W 0.1-10 210Po/210Pb 7 24 - 71 41.4 ±15.0 [11] 29 PHX USA May-June 1998 34.1°N-106.8°W 0.1-10 210Po/210Pb 10 16 - 73 47.1 ±17.8 [11] 30 NM USA May 1998 33.5°N-111.8°W 0.1-10 210Po/210Pb 4 44 - 61 51.0 ±8.4 [11] 31 MC Mexico Feb.-march 1997 19.5°N-99.0°W 0.1-10 210Po/210Pb 20 8 - 77 43.6 ±16.0 [11] 32 Taranto Italy 11-17 Nov. 2008 40.49°N-17.20°E <2.5-10 210Po/210Pb 13 9.89 - 35.3 19.2 ±9.6 This work 33 Taranto Italy 4-9 May 2009 40.49°N-17.20°E <2.5-10 210Po/210Pb 7 15.8 - 49.7 33.6 ±14.2 This work

Table 8: The atmospheric residence times (ART) of aerosol obtained from different techniques and regions.

Goto home»