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SWFSC Cetacean Sightings during a Marine Mammal Survey in the Eastern Tropical Pacific (1468)

Entry ID: seamap211

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Summary

Abstract: This 1992 line-transect survey was designed to make abundance
estimates of the central stock of common dolphin, Delphinus delphis, in the
eastern Pacific. This stock of dolphin is taken in the tropical tuna fishery
and has suffered a substantial decline. Previous surveys covering larger areas
have permitted estimates of abundance, but with low precision. This survey was
conducted by the NOAA Southwest Fisheries Science Center aboard NOAA Ships
David Starr Jordan and McArthur for a combined total of approximately 32,000
kilometers surveyed from late July to early November 1992. This dataset
provides the time-date and geographical coordinates, by species/stock, of all
cetaceans detected during the survey, as well as the daily and intra-daily
start and end points of the line-transect survey.

Purpose: The primary purpose of the cruise was to survey the area inhabited by
the central stock of common dolphins, and to make an estimate of its absolute
abundance in order to assess the impact of the dolphins killed by the U. S. and
international yellowfin tuna purse seine fleet in the eastern tropical Pacific.

CURRENTNESS REFERENCE: ground condition

SPATIAL REFERENCE INFORMATION - GEODETIC MODEL
Horizontal Datum Name: D_WGS_1984
Ellipsoid Name: WGS_1984
Semi-major Axis: 6378137.000000
Denominator of Flattening Ratio: 298.257224

Related URL

Link: GET DATA

Description: Access data from the OBIS and OBIS-SEAMAP websites.

Multimedia Sample

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Caption: Cetacean Sightings

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

N: 30.49

S: 2.0

E: -77.94

W: -116.3

Data Set Citation

Dataset Originator/Creator: NOAA Southwest Fisheries Science Center (SWFSC)

Dataset Title: SWFSC Cetacean Sightings during a Marine Mammal Survey in the Eastern Tropical Pacific (1468)

Dataset Series Name: OBIS-SEAMAP

Dataset Release Date: 2004-09-16 16:00:51.987444-04

Dataset Release Place: http://seamap.env.duke.edu/

Dataset Publisher: OBIS-SEAMAP

Data Presentation Form: vector digital data

Online Resource: http://swfsc.nmfs.noaa.gov/

Parent DIF

This data set description is a member of a collection. The collection is described in
OBIS-SEAMAP

Temporal Coverage

Start Date: 1992-07-29

Stop Date: 1992-11-01

Location Keywords

OCEAN > PACIFIC OCEAN > EASTERN PACIFIC OCEAN

Science Keywords

ATMOSPHERE > AEROSOLS > DUST/ASH/SMOKE

ATMOSPHERE > AEROSOLS > ORGANIC PARTICLES

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Project

IPCC > Intergovernmental Panel on Climate Change

CCSP > Climate Change Science Program

Ancillary Keywords

model

PCMDI

IPCC

deccen coupled climate models

Data Set Progress

IN WORK

Originating Center

NOAA/GFDL

Data Center

NOAA Geophysical Fluid Dynamics Laboratory, U.S. Department of Commerce

Data Center URL: http://www.gfdl.noaa.gov/

Data Center Personnel
Name: GFDL USER SUPPORT Phone: 609-452-6500 Fax: 609-987-5063 Email: help at gfdl.noaa.gov Email: GFDL.Climate.Model.Info at noaa.gov Contact Address: Geophysical Fluid Dynamics Laboratory/NOAA Princeton University 201 Forrestal Road Campus/Rte. 1 P.O. Box 308 City: Princeton Province or State: NJ Postal Code: 08542 Country: USA

Distribution

Distribution Media: online

Distribution Format: netcdf

Fees: none

Publications/References

See:
http://data1.gfdl.noaa.gov/CM2.X/references/

Creation and Review Dates

DIF Creation Date: 2006-04-28

Last DIF Revision Date: 2007-07-03

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