Delayed Time Maps of Absolute Dynamic Topography Upd and absolute geostrophic velocities

Product description

PRODUCT TYPE	data	INPUT DATA	GDR, OPR	OUTPUT TYPE	gridded
SATELLITE	merged (all)	AGENCIES	CNES ESA NASA NOAA US NAVY	GRID TYPE	mercator
CONTENTS	Multimission gridded sea surface heights above geoid; dynamic topography is the sum of sea level anomaly (SLA) and mean dynamic topography (MDT, Rio05 here). In delayed time, two types of products are available: "Ref" (Reference) series: homogeneous datasets based on two satellites (Topex/Poseidon, Jason-1 + ERS, Envisat) with the same groundtrack. Sampling is stable in time. "Upd" (Updated) series: up-to-date datasets with up to four satellites at a given time (adding GFO and/or Topex/Poseidon on its new orbit). Sampling and Long Wavelength Errors determination are improved, but quality of the series is not homogeneous. This series belongs to the second category. This product is provided with corresponding geostrophic currents.
APPLICATIONS	ocean circulation		USER	beginner
GEOGRAPHICAL SCALE	global		GEOGRAPHICAL COVERAGE	82.0° -180.0° 180.0° -82.0°
SPATIAL RESOLUTION	1/3 degree		REFERENCE SURFACE	geoid
TEMPORAL COVERAGE	1992-10-01 - onGoing		QUALITY CONTROL
PARAMETERS	sea_surface_height_above_geoid, m, CF surface_eastward_geostrophic_sea_water_velocity_assuming_sea_level_for_geoid, m s-1, CF surface_northward_geostrophic_sea_water_velocity_assuming_sea_level_for_geoid , m s-1, CF
UPDATED	everyTwoMonths		BY	name : AVISO email adress : aviso@cls.fr web site : http://www.aviso.oceanobs.com
MENTION	"The altimeter products were produced by Ssalto/Duacs and distributed by Aviso with support from Cnes".
COPYRIGHT	2005-2006 CLS

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