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Press TV: Iran sending 2 ships to region's seas.

Arabian Sea Humpback Whales Isolated for 70,000 Years.

Arabian Sea Humpback Whales Isolated for 70,000 Years.

Climate Change Impacts Countered By Stricter Fisheries Management.

Climate Change Impacts Countered By Stricter Fisheries Management.

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An international team of researchers has discovered what it believes to be a new population of blue whales in the western Indian Ocean.

The three Vendée Globe leaders have the foot hard down on the accelerator, racing behind this low pressure system and so making good speeds and opening up the gap back to the chasing peloton which is now more than 200 miles behind. Charlie DALIN is doing his best to contain the highly motivated Thomas RUYANT who works constantly to find best speeds from his compromised IMOCA which lacks most of its port foil and Yannick BESTAVEN remains super quick. And now seven IMOCA's have crossed the longitude of Cape LEEUWIN, young Ben DUTREUX - the rookie from the Vendée region - is very happy to have crossed fourth.

Tropical regions experience a diverse range of dense clouds, posing challenges for the daily reconstruction of chlorophyll-a concentration data. This underscores the pressing need for a practical method to reconstruct daily-scale chlorophyll-a concentrations in such regions. While traditional data reconstruction methods focus on single variables and rely on specific factors to infer missing data at specific locations, these single-variable methods may falter when applied to tropical oceans due to the scarcity of available data. Fortunately, all oceanographic variables undergo similar atmospheric and marine dynamic processes, creating internal relationships between them. This allows for the reconstruction of missing data through correlations between variables. Thus, this study introduces a multivariate reconstruction approach using the extended data interpolating empirical orthogonal function (ExDINEOF) method to reconstruct missing daily-scale chlorophyll-a concentration data. The ExDINEOF method considers the simultaneous relationships among multiple variables for data reconstruction in tropical oceans. To verify the method's robustness, missing data were reconstructed during the formation and passage of severe tropical cyclone Hudhud through the Bay of Bengal. The results demonstrate that ExDINEOF outperforms traditional data reconstruction methods, exhibiting favorable spatial distribution and enhanced accuracy within the dynamic tropical marine environment. Furthermore, an assessment of marine physical environmental factors associated with chlorophyll-a concentration data provides additional evidence for the ExDINEOF method's accuracy. Notably, the ExDINEOF method offers comprehensive spatial distribution aligned with underlying physical mechanisms governing phytoplankton distribution patterns, detailed phytoplankton growth, bloom, extinction variations in time series, satisfactory accuracy, and comprehensive local-level details.