[Keyword='common porpoise']
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NMML Small Cetacean (coastal) Aerial Survey 1999, Gulf of Alaska
Entry ID:
seamap117
Summary
Abstract:
The National Marine Mammal Laboratory (NMML) conducted an aerial
survey for small cetaceans from 5 June to 4 July 1999 in Bristol Bay and along southwestern Alaska Peninsula (out to the 1829 m (1000 fm) depth contour). A total of 8,522 km were surveyed in a Dehavilland Twin Otter at 152.5 m (500 ft) altitude and 185 km/hr (100 kts). Two overlapping sawtooth lines were ...  Purpose: The current study (1997-99) will provide new abundance estimates for each stock of harbor porpoise, and Dall's porpoise. SUPPLEMENTAL INFORMATION: Although the previous harbor porpoise surveys (1991- 1993) used a vessel platform for the inside waters of Southeast Alaska (Dahlheim et al. 1992, 1993, 1994), the current survey was conducted entirely from ...
Related URL
Data Set Citation
Dataset Originator/Creator:
National Marine Mammal Laboratory
Dataset Title:
NMML Small Cetacean (coastal) Aerial Survey 1999, Gulf of Alaska
Dataset Series Name:
OBIS-SEAMAP
Dataset Release Date:
2004-06-10 15:26:46.835071-04
Dataset Release Place:
http://seamap.env.duke.edu/
Dataset Publisher:
OBIS-SEAMAP
Data Presentation Form:
vector digital data
Online Resource:
http://nmml.afsc.noaa.gov/
Parent DIF
Temporal Coverage
Start Date:
1999-06-11
Stop Date:
1999-07-04
Location Keywords
Data Resolution
Latitude Resolution:
0.000167 Decimal degrees
Longitude Resolution: 0.000167 Decimal degrees Horizontal Resolution Range: 1 meter - < 30 meters Science Keywords
ISO Topic Category
Platform
Instrument
Ancillary Keywords
Originating Center
Data Center
Personnel
Role:
DIF AUTHOR
Phone:
(301) 713-0575
Fax:
(301) 713-1249
Email:
peter.l.grimm at noaa.gov
Contact Address:
NOAA Environmental Information Services
1315 East-West Highway, SSMC3, Station 15441
City:
Silver Spring
Province or State:
MD
Postal Code:
20910
Country:
USA
Creation and Review Dates
Last DIF Revision Date:
2012-02-23
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