[Project: Short_Name='OBIS-SEAMAP']
|
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
Access Constraints
ACCESS CONSTRAINTS: Open public unless otherwise noted.
DISTRIBUTION LIABILITY: Not to hold OBIS-SEAMAP liable for errors in the data. While we have made every effort to ensure the quality of the database, we cannot guarantee the accuracy of these datasets. Also please refer to Use Constraints.
Use Constraints
Not to use data contained in OBIS-SEAMAP in any publication, product, or
commercial application without prior written consent of the original data provider. To cite both the data provider and OBIS-SEAMAP appropriately after approval of use is obtained. Also please refer to Distribution Liability. Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Distribution
Distribution Format:
Shapefile
Personnel
Creation and Review Dates
DIF Creation Date:
2007-01-22
Last DIF Revision Date:
2008-08-29
|
|||||||||||||||||||||






