JAPAN EAST SEA CRUISE III “JES 3” JANUARY & FEBRUARY 2000.

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Presentation transcript:

JAPAN EAST SEA CRUISE III “JES 3” JANUARY & FEBRUARY 2000

Monthly AVHRR composites: Jan-Feb, 1998-2000

Monthly SEAWIFS composites: Jan-Feb, 1998-2000

Japan- East Sea (3) Jan-Feb 2000 Shelf North Korea SeaSoar Radial Station Locations North Korea Yamato Rise SeaSoar Radial Cruise Track - Station Positions - Optics Station Positions Cruise Track South Korea Japan

Japan- East Sea (3) Jan-Feb 2000 Yamato Rise SeaSoar Cruise track -Optics Stations Bio-optical Stations BOPS

Cold Air Outbreak Cloud Streaks Jan 21, 2000 0624Z AVHRR imagery illustrates , moisture extracted from surface waters near the coast and and formation of heavy clouds offshore Coastal / Shelf Water Cooling and high evaporation

Cold Air Outbreak Ice Formation AVHRR imagery illustrates , Coastal and Shelf Water Cooling Cold Air Outbreak AVHRR imagery illustrates , moisture extracted from surface waters near the coast and and formation of heavy clouds offshore Coastal / Shelf Water Cooling and high evaporation

Japan / East Sea JES 3 Jan/ Feb 2000 SeaSoar Cruise track and Cold Upwelling Eddy SeaSoar Cruise track and Station Locations Wasm front East Korean Warm Current

Jan 18, 2000 Feb 2, 2000 Semi- Persistence Eddies occurred at Japan Japan Korea Korea 16 14 Semi- Persistence Eddies occurred at the Subpolar From from the Beginning to End of Cruise Jan 18 – Feb, 2. Examples of the Frontal Location are Shown with the ship track and station locations 12 11 6 5

SeaWiFS derived K532 Diffuse Attenuation Coefficient Bio-optical properties Show eddy structure Along the coast. The optical properties in cooler (North) and warmer (South) have similar bio-optical properties.

SeaWiFs Chlorophyll (SeaBAM ) - Chlorophyll ~ 0.6 – 1.5 mg/ l Jan 21, 2000 0339z SeaWiFs Chlorophyll (SeaBAM ) - Chlorophyll ~ 0.6 – 1.5 mg/ l clouds Feb 1, 2000 0330z clouds These chlorophyll imageries show the response of the surface biology to the passage of a 2 cold front.

Western Extension Central Extension East Extension Sea surface temperature imagery were composted for a 2 week period to define the SST climatology. Three extensions of the warm Tsumia current are illustrated which penetrate the basin interior.

B A B A Surface Absorption front Surface attenuation coefficient Ship track of the surface Optical properties B A B front A Front AVHRR- SST Surface Absorption Surface optical properties changes at the Subpolar Front, decreasing in the colder waters.

AVHRR – SST for Jan 28, 2000 Illustrating the passage of a cold front the extension of the warm Tsumina current at the Yamato Rise.

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