Home ¦ Index to Field Studies ¦ Dir. to Georgia 1988 Field Data ¦ Table: ¦ I a ¦ II a ¦ III a ¦ IV a, IV b, IV c, IV d, IV e, IV f, IV g ¦ V a ¦ VI a ¦ VII a ¦
  Table IV a, Page 19Resaca, Georgia; September 29, 1988 (Declination = 2°W: Subtract for True Bearing, True Heading and True Wind Direction) |
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| Num. | Species | Time | Flight Behavior | Weather | Field Notes | |||||||||
| I | II | III | IV | Va | Vb | Part 1 | Part 2 | Part 3 | ||||||
| Est. Alt. |
Type of Flt. |
Horiz. Path |
Vert. Path |
Mag. Bear. |
Mag. Head |
Wind Dir. |
Wind Vel. |
Amb. Temp. |
Thrm. Act. |
Cloud Types |
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| Start | - | 6:41 | - | - | - | - | - | - | calm | - | 16.0°C | - | low clouds, fog |
Sunrise. Swifts foraging. |
| 134 | D. plexippus | 6:59 | 160 m | soar | variable | level | 293° | (left) | calm | - | 19.0°C | - | clouds, fog clearing |
WW: Radar shows a few high targets. |
| 135 | D. plexippus | 7:14 | 200 m | soar | straight | level | 264° | 220° | calm | - | - | yes | low thermal puffs |
Sun has burned off fog. Swifts foraging. WW: Numbers of targets increasing, flying up to 300 m. |
| 136 | D. plexippus | 7:18 | 100 m | soar | straight | level | - | - | calm | - | - | - | - | Butterfly too far to one side to take bearing. |
| 137 | D. plexippus | 7:24 | 100 m | soar | straight | level | 278° | 235° | 350° | 0.5 m/s | - | - | - | Wind is SE above inversion |
| 138 | D. plexippus | 7:40 | 100 m | flap | straight | level | 277° | left | calm | - | - | - | - | WW: Lots of high targets. |
| 239 | D. plexippus | 7:47 | 25 m | flap, soar |
straight | level | 226° | 231° | calm | - | - | - | - | A second D. plexippus seen. |
| 140 | D. plexippus | 7:52 | 130 m | soar | straight | level | 284° | 227° | calm | - | - | - | - | A second D. plexippus seen. |
| 141 | D. plexippus | 7:57 | 15 m | flap, soar |
straight, circle |
climb | 287° | (295°) | calm | - | 20.0°C | yes | cirrus, thermal puffs |
Westbrook: Prefrontal mix of clouds. |
| 142 | D. plexippus | 8:01 | 30 m | flap | straight, (circle) |
climb | 240° | (222°) | calm | - | - | - | - | Another D. plexippus doing same thing. |
| 143 | D. plexippus | 8:03 | 25 m | flap | straight | climb | 229° | 229° | calm | - | - | - | - | - |
| 144 | D. plexippus | 8:06 | 160 m | soar | straight | level | 274° | 226° | calm | - | - | - | - | Another D. plexippus observed. |
| 145 | D. plexippus | 8:10 | 200 m | soar | straight | level | 297° | left | calm | - | - | - | - | 2 more D. plexippus seen. WW: Numbers decreasing at altitude. |
Home ¦ Index to Field Studies ¦ Directories to Georgia 1988 Field Data ¦ Table I a ¦ II a ¦ III a, III h ¦ IV a, IV b, IV c, IV d, IV e, IV f, IV g ¦ V a ¦ VI a ¦ VII a