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IMOS - OceanCurrent - Gridded sea level anomaly - Delayed mode - DM00 (superseded)

Created 13/03/2025

Updated 13/03/2025

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Gridded (adjusted) sea level anomaly (GSLA), gridded sea level (GSL) and surface geostrophic velocity (UCUR,VCUR) for the Australasian region. GSLA is mapped using optimal interpolation of detided, de-meaned, inverse-barometer-adjusted altimeter and tidegauge estimates of sea level. GSL is GSLA plus an estimate of the departure of mean sea level from the geoid - mean sea level (over 18 years of model time) of Ocean Forecasting Australia Model version 3 (OFAM3). The geostrophic velocities are derived from GSLA and the mean surface velocity drom OFAM3. The altimeter data window for input to the Delayed Mode (DM) maps is symmetrical about the map date. The width of the window is dependent on the number of altimeters flying at the time and ranges from 30 days to 14 days. The altimeter data window for Near Real Time (NRT) maps is asymmetrical about the analysis date (-21 to 4 days). For both NRT and DM, altimeter data is weighted by the difference between the analysis date of the map and the time of each altimeter observation. Since June 2020, this DM00 product has been no longer updated, and unavailable via the AODN Portal since April 2023. This product was superseded by the DM01 product, available via https://catalogue-imos.aodn.org.au:443/geonetwork/srv/api/records/c68b6e1b-98a6-415e-8563-f526e1db1bd5. References: http://oceancurrent.imos.org.au/

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Additional Info

Field Value
Title IMOS - OceanCurrent - Gridded sea level anomaly - Delayed mode - DM00 (superseded)
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/d23ff11b-f3d8-4c6f-bc79-6463ff96d938
Contact Point
CSIRO Oceans & Atmosphere
Gabriela.Semolinipilo@csiro.au
Reference Period 21/03/2024
Geospatial Coverage {"type": "Polygon", "coordinates": [[[57.00000000000001, -59.99999999999999], [185.0, -59.99999999999999], [185.0, 10.0], [57.00000000000001, 10.0], [57.00000000000001, -59.99999999999999]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "IMOS - OceanCurrent - Gridded sea level anomaly - Delayed mode - DM00 (superseded)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/imos-oceancurrent-gridded-sea-level-anomaly-delayed-mode-dm00-superseded

Original dataset
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No duplicate datasets found.