NASAのインスタグラム(nasagoddard) - 6月9日 06時17分

Happy #WorldOceansDay! .
Why is the ocean blue? The way light is absorbed and scattered throughout the ocean determines which colors it takes on. Red, orange, yellow and green light are absorbed quickly beneath the surface, leaving blue light to be scattered and reflected back. This causes us to see various blue and violet hues.
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1. Celtic Phytoplankton - North and west of Ireland and Scotland, the clouds opened upon a blooming North Atlantic Ocean on May 30, 2018 when Aqua/MODIS flew by and captured the above image.
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2. Fall Blooms off the Queensland Coast - Brownish slicks off the coast of Queensland, Australia near Townsville suggest the possible presence of colonies of the nitrogen-fixing cyanobacterium, Trichodesmium.
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3. Fujairah Offshore Anchorage - Oblong colorful shapes off the east coast of the United Arab Emirates in the Gulf of Oman mark the locations of large ships in the Fujairah offshore anchorage area. Sunglint patterns on the water reveal the presence of internal waves, surface waves, ship wakes, and oily slicks that are likely generated by the ships anchoring in the area.
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4. North Sea Blooms - The North Sea is a busy place with shipping, fishing, petroleum exploration, and wind energy harvesting all having their impacts in this relatively shallow arm of the North Atlantic Ocean. Amidst all this human activity, phytoplankton also live and die and show themselves in a flashy way during the spring bloom.
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5. Cape Cod Sun Glint - The ocean's surface is very big, yet wind, waves, currents, and organic films divide it up into small microregions having different properties. Sun glint in the above Landsat 8 image of the Atlantic Ocean around Cape Cod, Massachusetts highlights some of this surface heterogeneity.
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6. South Island Runoff into the Tasman Sea - On September 9, 2016, Landsat 8 collected this view of the west coast of New Zealand's South Island where suspended sediments from river runoff brighten the nearshore Tasman Sea waters. Click on the image for a larger version.
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7. Ebro Delta Plume - Landsat 8 captured this view of a long plume of brighter water in the Mediterranean Sea associated with Spain's Ebro Delta.

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