Parameter: depth_actual_meas_ft

Dataset: 
PaPaPro benthic biodiversity
Parameter: 
depth
Master parameters information
Short Name:
 depth
Short Description:
 depth
Official Name:
 depth
No Data Value:
 nd
Description:
 

Observation/sample depth below the sea surface. Units often reported as: meters, feet.

When used in a JGOFS/GLOBEC dataset the depth is a best estimate; usually but not always calculated from pressure; calculated either from CTD pressure using Fofonoff and Millard (1982; UNESCO Tech Paper #44) algorithm adjusted for 1980 equation of state for seawater (EOS80) or simply equivalent to nominal depth as recorded during sampling if CTD pressure was unavailable.

Dataset-parameters information
Supplied Name: 
depth_actual_meas_ft
Supplied Units: 
feet
Conversion Necessary: 
no
Conversion Utility: 
No Data Value: 
nd
Description: 
The actual depth at which observations were made; may differ from the planned depth because a meter-mark on the transect line may not fall at the precise target depth [from Matrix and/or Sensus Pro or measured with string].