Michael J. McCormick, Gerald S. Miller, and James H. Saylor Great Lakes Environmental Research Lab 2205 Commonwealth Blvd. Ann Arbor, MI 48105 Phone: 734/741-2277, 734/741-2119, 734/741-2118 Fax: 734/741-2055 Email: michael.mccormick@noaa.gov GLERL Drifter Data 04/1999 - 05/1999 (Positions fixed at 1/2h time intervals.) Explanation of Columns in the Drifter Data Files Col 1 - Drifter ID Col 2 - Year Col 3 - DOY Col 4 - Time (HHMM, UT Col 5 - N. Lat (interpolated to 1/2 h time intervals) Col 6 - W. Lon (interpolated to 1/2 h time intervals) Data Sources: Deployment Nearest Data File Name DOY UT Station ID Lat Lon Drifter ID Start End i199921824.dat 92 0829 D1 42 05.99 86 33.53 21824 092 1300 104 1500 i199921825.dat 92 0833 D1 42 05.99 86 33.53 21825 095 1330 120 1100 i199922580.dat 94 1925 D1 42 05.99 86 33.53 22580 099 1930 120 1430 i199922579.dat 96 2047 D1 42 05.99 86 33.53 22579 097 1330 120 1300 i199922577.dat 102 0129 D1 42 05.99 86 33.53 22577 102 1330 121 2330 i19991631.dat 104 2030 D1 42 05.99 86 33.53 1631 105 0800 120 1430 i19991134.dat 91 1924 D2 41 50.69 86 46.36 1134 102 1530 120 1430 i199922578.dat 92 0647 D2 41 50.69 86 46.36 22578 092 1630 122 0000 i199922576.dat 96 1953 D2 41 50.69 86 46.36 22576 104 1500 120 1700 i19991161.dat 97 0200 D2 41 50.69 86 46.36 1161 097 1830 120 1030 i199921820.dat 99 0637 D2 41 50.69 86 46.36 21820 099 1530 107 1730 i199922575.dat 91 1111 D3 41 45.52 87 02.05 22575 092 1530 120 1400 i19991622.dat 91 2143 D3 41 45.52 87 02.05 1622 097 1630 120 1430 i199921823.dat 93 2112 D3 41 45.52 87 02.05 21823 104 1430 118 0000 i19991420.dat 95 1925 D3 41 45.52 87 02.05 1420 102 1830 119 0030 i19991639.dat 106 1955 D3 41 45.52 87 02.05 1639 109 1500 118 0000 i19993386.dat 92 0847 D4 41 50.69 87 21.82 3386 092 1430 106 1330 i19992497.dat 96 1028 D4 41 50.69 87 21.82 2497 097 1700 109 2100 i19991642.dat 99 0858 D4 41 50.69 87 21.82 1642 099 1400 117 1200 i19991648.dat 91 2136 D5 42 05.99 87 33.82 1648 092 1600 115 1930 i19991634.dat 94 2342 D5 42 05.99 87 33.82 1634 095 1630 115 2000 i199921822.dat 98 1619 D5 42 05.99 87 33.82 21822 099 1500 107 1200 Note: Data Filename begin with "i" to signify interpolation to 1/2 h time intervals