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http://www.researchgate.net/profile/Alexandre_Zerbini/publication/260637562_Individual_variation_in_movements_of_satellite_tracked_humpback_whales_Megaptera_novaeangliae_in_the_eastern_Aleutian_Islands_and_Bering_Sea/links/0c960531df206393b1000000.pdf |
Citation URL |
Kennedy, A.S., Zerbini, A., Rone, B.K., and Clapham, P.J. 2014. Individual variation
in movements of satellite tracked humpback whales Megaptera novaeangliae in the eastern
Aleutian Islands and Bering Sea. Endangered Species Research 23:187-195. DOI: 10.3354/esr00570 |
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https://data.nodc.noaa.gov/cgi-bin/iso?id=gov.noaa.nodc:0138946 |
https://data.nodc.noaa.gov/cgi-bin/iso?id=gov.noaa.nodc:0138946 |
There are eight csv files (21809-07.csv, 21809-08.csv, 21810-07.csv, 21810-08.csv,
87769-09.csv, 87771-11.csv, 88720-10.csv, 88721-10.csv). |
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https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords |
GCMD Keyword Forum Page |
Global Change Master Directory (GCMD). 2026. GCMD Keywords, Version 24. Greenbelt,
MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard
Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA).
URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords |
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https://www.afsc.noaa.gov |
Website |
Website for this organization |
information |
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https://www.fisheries.noaa.gov/inport/item/28149 |
Full Metadata Record |
View the complete metadata record on InPort for more information about this dataset. |
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https://www.ncei.noaa.gov/contact |
NCEI Contact Information |
Information for contacts at NCEI. |
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2014-01-01T00:00:00 |
Satellite transmitters were attached to the body of North Pacific humpback whales
using a pneumatic delivery system. Whales were tagged with the implantable configuration
of the SPOT 5 transmitters produced by Wildlife Computers (Redmond, WA). Transmitters
were duty-cycled to optimize data collection in the feeding grounds and for maximizing
tag longevity. Tags were programmed to transmit every day for 6 hours during daytime
and 6 hours during night time for the months of August and September. Beginning in
October, when migration likely begins, transmitters were programmed to transmit every
other day, following the same alternate 6hr on/off periods.
Satellite tags were monitored by Argos Data Collection and Location Service receivers
on NOAA TIROS-N weather satellites in sun-synchronous polar orbits. Locations were
calculated by Argos from Doppler-shift data when multiple messages were received during
a satellites passage overhead. Argos codes locations in quality classes (LQ) labeled
B, A, 0, 1, 2, 3, in order of increasing accuracy. Argos locations were processed
using the software R. The SDA Argos filter (Freitas et al., 2008) was applied to all
location qualities in software R in order to remove locations that implied unlikely
deviations from the tracks path as well as unrealistic travel rates. This filter requires
two main parameters: turning angles and maximum speed of travel. The default value
of turning angles (Freitas et al., 2008) was used and the maximum speed was assumed
to be 18km/h. Distances between filtered locations were calculated assuming a great
circle route. Methods are described in the published manuscript: Kennedy AS, Zerbini
AN, Rone BK, Clapham PJ (2014) Individual variation in movements of satellite-tracked
humpback whales Megaptera novaeangliae in the eastern Aleutian Islands and Bering
Sea. Endang Species Res 23:187-195
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