platform_heave

complete
Created: Oct. 3, 2018
Proposer: Jim Biard
Proposed Date: 2018-09-12
Change Date: Oct. 3, 2018, 3:53 p.m.
Term: platform_heave
Unit: m
Unit ref: ULAA
AMIP:
GRIB:
Standard names for "platform" describe the motion and orientation of the vehicle from which observations are made. Platforms include, but are not limited to, satellites, aeroplanes, ships, instruments and buoys. "Heave" means the vertical displacement of a platform (positive upwards) over a measurement time interval.
Change Date: Oct. 3, 2018, 3:59 p.m.
Term: platform_heave
Unit: m
Unit ref: ULAA
AMIP:
GRIB:
"Heave" means the vertical displacement of a platform (positive upwards) over a measurement time interval.
Change Date: Oct. 3, 2018, 4:12 p.m.
Term: platform_heave
Unit: m
Unit ref: ULAA
AMIP:
GRIB:
Heave is a displacement along the local vertical axis. Heave is relative to the "at rest" position of the platform with respect to the axis of displacement. The "at rest" position of the platform may change over time. The standard name platform_heave should be chosen only if the sign convention of the data is unknown. For cases where the sign convention of the heave is known, a standard name of platform_heave_down or platform_heave_up should be chosen, as appropriate. A "platform" is a structure or vehicle that serves as a base for mounting sensors. Platforms include, but are not limited to, satellites, aeroplanes, ships, buoys, instruments, ground stations, and masts.