7.4.3.2. DUACS Currents Dataloader

DUACS is a European operational multi-mission production system of altimeter data that provides (amongst other products) global ocean current vectors. The system was developed by CNES/CLS and data is available from the copernicus marine data service.

From their website:

Altimeter satellite gridded Sea Level Anomalies (SLA) computed with respect to a twenty-year 1993, 2012 mean. The SLA is estimated by Optimal Interpolation, merging the L3 along-track measurement from the different altimeter missions available. Part of the processing is fitted to the Global Ocean. The product gives additional variables (i.e. Absolute Dynamic Topography and geostrophic currents).

Name in config: 'duacs_currents'

Near real-time data can be downloaded from here.

Reanalysis data can be downloaded from here.

class meshiphi.dataloaders.vector.duacs_current.DuacsCurrentDataLoader(bounds, params)

import_data(bounds)

Reads in data from a DUACS altimeter derived current NetCDF file. Renames coordinates to ‘lat’ and ‘long’, and renames variable to ‘uC, vC’

Parameters:

bounds (Boundary) – Initial boundary to limit the dataset to

Returns:

Near real-time current dataset within limits of bounds. Dataset has coordinates ‘lat’, ‘long’, and variable ‘uC’, ‘vC’

Return type:

xr.Dataset