Marine Wildlife Behavior Database
Metadata
This section includes fields that describe the angle at which the animal(s) return to the surface. Note that this section refers to the ascent phase of a dive; the previous section (Dive Angle) corresponds to the descent phase of the dive.
 Minimum Surfacing Angle
SA_MinSurfacingAngle(deg): The minimum angle at which the animal(s) ascend (degrees).
 Maximum Surfacing Angle
SA_MaxSurfacingAngle(deg): The maximum angle at which the animal(s) ascend (degrees).
 Mean Surfacing Angle
SA_MeanSurfacingAngle(deg): The mean or average angle at which the animal(s) ascend (degrees).
 Median Surfacing Angle
SA_MedianSurfacingAngle(deg): The middle value in the distribution of the surfacing angles (degrees). If there is an even number of surfacing angle values, it is the average of the two middle values.
 Mode Surfacing Angle
SA_ModeSurfacingAngle(deg): The most common surfacing angle value; in the frequency distribution, the surfacing angle with the greatest number of frequencies (degrees).
 Gamma Distribution Alpha
SA_GammaDistAlpha: The shape parameter of the gamma distribution of surfacing angles, determined by submitting data and fitting the raw data in a statistical package.
 Gamma Distribution Beta
SA_GammaDistBeta: The rate parameter, equal to 1/Θ (the scale parameter), of the gamma distribution of surfacing angles, determined by submitting data and fitting the raw data in a statistical package.
 Surfacing Angle Standard Deviation
SA_SurfacingAngleStdDev: To express the degree of dispersion in the surfacing angle data, the standard deviation (square root of the variance) should be entered (degrees).
 Comments
SA_Comments: Freeform field to note complications with data entry, information to review at a later date, etc.
