Parameter: velocity_beam1

Id
PD441
Display Name
Eastward Mean Point Seawater Velocity
Standard Name
Unit
mm s-1
Fill Value
-9999
Precision
Parameter Function
Data Product Identifier
VELPTMN-VLE_L0
Data Product Type
Unprocessed Data
Data Level
0
Parameter Function Map
Description

Mean Point Seawater Velocity refers to the velocity (speed and direction) of a single "point" of water (in this case, a volume of several square meters) averaged over time-scales associated with surface gravity waves. This instrument estimates water velocity by measuring the Doppler shift of acoustic signals reflected by particles suspended in the water. This data product is the eastward component of mean point seawater velocity in earth coordinates relative to true north (accounted for magnetic variation).

Parameter Type
quantity
Value Encoding
int16