High-Resolution Operational Ocean Forecast and Reanalysis System for the Indian Ocean

A good understanding of the general circulation features of the oceans, particularly of the coastal waters, and ability to predict the key oceanographic parameters with good accuracy and sufficient lead time are necessary for the safe conduct of maritime activities such as fishing, shipping, and off...

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Bibliographic Details
Published in:Bulletin of the American Meteorological Society 2020-08, Vol.101 (8), p.E1340-E1356
Main Authors: Francis, P. A., Jithin, A. K., Effy, J. B., Chatterjee, A., Chakraborty, K., Paul, A., Balaji, B., Shenoi, S. S. C., Biswamoy, P., Mukherjee, A., Singh, P., Deepsankar, B., Reddy, S. Siva, Vinayachandran, P. N., Kumar, M. S. Girish, Bhaskar, T. V. S. Udaya, Ravichandran, M., Unnikrishnan, A. S., Shankar, D., Prakash, A., Aparna, S. G., Harikumar, R., Kaviyazhahu, K., Suprit, K., Shesu, R. V., Kumar, N. Kiran, Rao, N. Srinivasa, Annapurnaiah, K., Venkatesan, R., Rao, A. S., Rajagopal, E. N., Prasad, V. S., Gupta, M. D., Nair, T. M. Balakrishnan, Rao, E. P. R., Satyanarayana, B. V.
Format: Article
Language:English
Subjects:
Biogeochemistry
Boundary conditions
Coastal waters
Coastguard services
Coasts
Computer applications
Data assimilation
Data collection
Emergency vessels
Fishing
Fishing zones
Forecasting
General circulation
General circulation models
High resolution
Industry
Information services
Kalman filters
Lead time
Modelling
Navigators
Ocean circulation
Ocean currents
Ocean models
Oceanographic parameters
Oceans
Offshore
Parameters
Resolution
Satellite observation
Sea level
Search and rescue
Shipping
Water circulation
Wind
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Description
Summary:A good understanding of the general circulation features of the oceans, particularly of the coastal waters, and ability to predict the key oceanographic parameters with good accuracy and sufficient lead time are necessary for the safe conduct of maritime activities such as fishing, shipping, and offshore industries. Considering these requirements and buoyed by the advancements in the field of ocean modeling, data assimilation, and ocean observation networks along with the availability of the high-performance computational facility in India, Indian National Centre for Ocean Information Services has set up a “High-Resolution Operational Ocean Forecast and Reanalysis System” (HOOFS) with an aim to provide accurate ocean analysis and forecasts for the public, researchers, and other types of users like navigators and the Indian Coast Guard. Major components of HOOFS are (i) a suite of numerical ocean models configured for the Indian Ocean and the coastal waters using the Regional Ocean Modeling System (ROMS) for forecasting physical and biogeochemical state of the ocean and (ii) the data assimilation based on local ensemble transform Kalman filter that assimilates in situ and satellite observations in ROMS. Apart from the routine forecasts of key oceanographic parameters, a few important applications such as (i) Potential Fishing Zone forecasting system and (ii) Search and Rescue Aid Tool are also developed as part of the HOOFS project. The architecture of HOOFS, an account of the quality of ocean analysis and forecasts produced by it and important applications developed based on HOOFS are briefly discussed in this article.
ISSN:0003-0007
1520-0477
DOI:10.1175/BAMS-D-19-0083.1