Overview of the NRL Coupled Ocean Data Assimilation System

Advanced DA Technique Based on Optimal Estimation Theory. Oceanographic version of MVOI method used in NWP systems Lorenc (1981), Daley (1991). Simultaneous analysis of five ocean variables: temperature, salinity, geopotential, and u-v velocity components (T, S, omega, u, v). Developed as part of th...

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Bibliographic Details
Main Authors: Cummings, James, Hodur, Rich
Other Authors: NAVAL RESEARCH LAB STENNIS DETACHMENT STENNIS SPACE CENTER MS
Format: Text
Language:English
Published: 2003
Subjects:
Physical and Dynamic Oceanography
*DATA ACQUISITION
*OCEANOGRAPHIC DATA
COUPLING(INTERACTION)
FORECASTING
GEOSTROPHIC CURRENTS
OCEAN MODELS
OCEANOGRAPHY
OCEANS
SALINITY
SYMPOSIA
TEMPERATURE
BRIEFING CHARTS
Sea ice
Online Access:http://www.dtic.mil/docs/citations/ADA576210
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA576210
Description
Summary:Advanced DA Technique Based on Optimal Estimation Theory. Oceanographic version of MVOI method used in NWP systems Lorenc (1981), Daley (1991). Simultaneous analysis of five ocean variables: temperature, salinity, geopotential, and u-v velocity components (T, S, omega, u, v). Developed as part of the coupled modeling projects at NRL MRY (COAMPS and NOGAPS/POP) Flexible System. Supports variety of map projections performs multi-scale analyses on nested, successively higher resolution grids. Initialize/update ocean forecast model or run stand-alone. 2D analyses of sea ice and SST (NWP boundary conditions), 3D temperature and salinity analysis (geostrophic currents), 3D MVOI sequential incremental update cycle. Presented at the HYCOM Ocean Model Workshop NCEP August 2003. Contains briefing charts only.

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