California Current Ecosystem LTER

Marine Mammal Visual Monitoring Log Effort and Weather

Title
Index of visual monitoring efforts, weather conditions and position updates from CalCOFI cruises in the California Current System, 2008 - 2009. This dataset has been superseded by knb-lter-cce.262.

Abstract
Field observations are carried out to gain understanding of cetacean ecology and habitat. Visual monitoring for cetaceans has been conducted on quarterly CalCOFI cruises since July 2004 using standard line-transect protocol (Burnham et al. 1980;Buckland et al. 1993; Barlow 1995). Visual observers watch during daylight hours, when weather permits (Beaufort sea states 0 to 5 and visibility greater than 1 nautical mile) and while the ship transits between CalCOFI stations.

Keywords
weather, habitats, mammals, global positioning systems, dataloggers

LTER Data System Record
http://dx.doi.org/10.6073/pasta/d5c55dda0b87cab02de4d5bf79b8be8e
Projects
CalCOFI - Scripps Institution of Oceanography

Creators
Hildebrand, John (jahildebrand@ucsd.edu)

Contact
CCE LTER Information Manager (ccelter.im@gmail.com)

Data

table MarineMammalVisualMonitoringLogEffortandWeather
Main data table for dataset
Rows: 1220
Columns: 21
View / Download

Methods


Frequency
Visual monitoring efforts occur sunrise to sunset.

Files


Angle difference diagram (1.79MB)
Diagram of the Angle Difference Calculation

Information packet (1.33MB)
CalCOFI Marine Mammal Data Information Packet