Quotchoose Transect Limitsquot

Allows user to employ graphical controls to choose start and end points of oceanographic transects.Useful for ADCP, echosounder and towed-body transects.A zoomable map display shows the entire ship track and the currently-selected transect. The user selects transects using either "dial"-style...


Platforms: Matlab

Cluster Sample Size Example This program is set up to determine the standard error of the density given three choices for n (e.g. the number of transects: n1, n2, n3), a range of the number of bins per transect and the assumed cluster variance. See the section on cluster sampling for more...


Platforms: Mac

In designing a pilot or exploratory survey, a preliminary calculation of necessary sampling effort is degree of coverage (Aglen 1989). Degree of coverage (?za*?) is defined as: Equation 19 [19] where: D is the cruise track length, and; A is the size of the survey area. Errors associated with...


Platforms: Mac