Gulf of Mexico SSH Anomaly Grid - 2006

Since 1996, global, near-real-time maps of mesoscale anomalies derived from tandem sampling provided by altimeters aboard the Topography Experiment (TOPEX)/Poseidon and European Remote Sensing Satellite (ERS)-2 satellites have been posted on web pages hosted at the Colorado Center for Astrodynamics Research. The original, near-real-time processing system was based on a quick-look analysis that referenced the data to a high-resolution gridded mean sea surface available at the time. Recently, state-of-the-art mean sea surfaces have been derived that are based on a more complete record of altimeter observations. An updated mesoscale monitoring system based on a new mean surface is described and shown to provide improved mesoscale monitoring to the successful system implemented in 1996.
_NCProperties=version=1|netcdflibversion=4.6.1|hdf5libversion=1.8.12
acknowledgement=The historical collinear data was obtained from the Radar Altimeter Database System (RADS). For more information please see http://rads.tudelft.nl/rads/rads.shtml
analysis_dates=analysis for each day from: 2006-01-01 to 2006-12-31
cdm_data_type=Grid
cdm_timeseries_variables=timeseries, station_id, latitude, longitude, timeseries
comment=A dayly values is a interpolation from satellite swath of data from day-15 to day+16.
commentT=The actual duration for the ssh year is from : 2003-12-15 00:00:00 to 2004-12-31 23:59:59
contributor_country=USA
contributor_role_vocabulary=unknown
Conventions=CF-1.6, ACDD-1.3,IOOS-1.2, COARDS
country=USA
date_metadata_modified=2020-07-23T11:51:48Z
Easternmost_Easting=-80.0
geospatial_bounds=Polygon (-98.00 18.00,-80.00 18.00, -80 31.00, -98.00 31.00,-98.00 18.00 )
geospatial_bounds_crs=EPSG:4326
geospatial_bounds_vertical_crs=EPSG:5829
geospatial_lat_max=31.0
geospatial_lat_min=18.0
geospatial_lat_resolution=0.25
geospatial_lat_units=degrees_north
geospatial_lon_max=-80.0
geospatial_lon_min=-98.0
geospatial_lon_resolution=0.25
geospatial_lon_units=degrees_east
history=Creation date: 51 49 49 53
id=ssha_gom_wrt_model_2006
infoUrl=https://www.colorado.edu/ccar/labs-and-facilities
institution=Colorado Center for Astrodynamics Research
instrument=radar altimeter
instrument_vocabulary=GCMD Science Keywords Version 9.1.5
keywords_vocabulary=GCMD Science Keywords Version 9.1.5, CF Standard Names v72
metadata_link=https://geo.gcoos.org/ssh/
naming_authority=edu.colorado.ccar
Northernmost_Northing=31.0
platform=satellites
platform_name=satellites_included: cryosat2, saral
platform_vocabulary=https://mmisw.org/ont/ioos/platform
processing_center=CCAR
processing_level=L4
references=Leben, R.R., G.H. Born, and B.R. Engebreth. 2002. Operational altimeter data processing for mesoscale monitoring. Marine Geodesy 25:3-18, doi:10.1080/014904102753516697.
sea_name=Gulf f Mexico
source=radar altimeter
sourceUrl=(local files)
Southernmost_Northing=18.0
standard_name_vocabulary=CF Standard Name Table v55
time_coverage_duration=P00Y12M30DT00H00M00S
time_coverage_end=2006-12-31T01:00:00Z
time_coverage_start=2006-01-01T01:00:00Z
Westernmost_Easting=-98.0

自1996年以来，全球范围内的中尺度异常近实时地图，基于由TOPEX/Poseidon和欧洲遥感卫星（ERS-2）搭载的雷达高度计提供的一系列连续采样数据，已发布于科罗拉多天体动力学研究中心（Colorado Center for Astrodynamics Research）的网页上。原始的近实时处理系统基于快速查看分析，将数据参照至当时可用的分辨率较高的网格化平均海面。近期，基于更完整雷达高度计观测记录的最新平均海面已被生成。本文描述了一种基于新平均海面的更新版中尺度监测系统，并展示了该系统在1996年成功实施的中尺度监测方面的改进。