The watermark in the lower right corner of the image will not appear on the final print.
Frame
Top Mat
Bottom Mat
Dimensions
Image:
6.00" x 8.00"
Overall:
8.00" x 10.00"
Hydrogen Sulfide Eruption Off Namibia Poster
by Nasa
Product Details
Hydrogen Sulfide Eruption Off Namibia poster by Nasa. Our posters are produced on acid-free papers using archival inks to guarantee that they last a lifetime without fading or loss of color. All posters include a 1" white border around the image to allow for future framing and matting, if desired.
Design Details
The brilliant burst of neon blue and green that hugs the shore of Namibia in this photo-like image might be beautiful from space, but it is deadly on... more
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Artist's Description
The brilliant burst of neon blue and green that hugs the shore of Namibia in this photo-like image might be beautiful from space, but it is deadly on the ground. The color is caused by hydrogen sulfide erupting to the surface. The foul-smelling gas is toxic by itself, but it also robs the water of oxygen when it erupts to the surface, leading to large fish kills. Ironically, it is the ocean's productivity in this region that causes the deadly eruptions. Strong ocean currents sweep nutrient-rich water to the sunlit surface of the Atlantic Ocean off the coast of Namibia. The ample supply of nutrients allows tiny free-floating plants (phytoplankton) to proliferate. When the large phytoplankton blooms die, the plants sink to the ocean floor, where bacteria break them down. The anaerobic bacteria that complete the decay process release toxic hydrogen sulfide into the ocean. The gas builds near the ocean floor until a bubble erupts to the surface. As it rises, the hydrogen combines with oxyg...
$53.00
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