作者: Scott Spitz , Richard Grotefendt , Joseph Mobley
DOI:
关键词: Cartography 、 Aerial survey 、 Abundance (ecology) 、 Gps receiver 、 Oceanography 、 Altitude 、 Geography 、 Radar altimeter 、 Location data
摘要: Summary of Flight Dates for 1993, 1995, 1998 and 2000 Surveys Survey No. 1993 1995 Dates_________ . 1 Feb 21, 22, 23, 24, 26 28, Mar 1, 2, 3, 4 25, 27, 2 4, 5, 6, 8 8, 9, 10, 11 7, 3 15, 16 18, 20, 25 13, 14, 16, 20 Apr 7 17 29, 31, Data protocol Location data from an onboard GPS receiver altitude a radar altimeter were downloaded directly onto laptop computer. Remaining manually recorded by the recorder sheets later merged with location data. automatically at 30-sec intervals whenever sighting occurred.