Color penetration in the ocean

A more sophisticated device for measuring light transmission is the nephelometer, which measures the scattering of incident incoming light by particles in the water. Light also behaves like a wave, and, thus, every photon has a wavlength. While it may seem simple enough, we could spend half a semester just on absorption, if we were learning optics. I love answering these types of questions. Maybe other pigments are more effective at absorbing other wavelengths.
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The Color of the Ocean: New South American Satellite Joins Earth Observation Effort

One particular family of fish, the malacosteid family, is able to produce and detect red light http: The diagram below shows sunlight attenuation in the photic zone m and spectral distribution: Previous volumes online through Woods Hole Oceanographic Institution. Decreasing ozone levels in the atmosphere, including the ozone hole over Antarctica, may exacerbate the problem, because ozone blocks UV radiation from reaching Earth. Follow Joseph Castro on Twitter. Virtually no light is able to penetrate below m the aphotic zone.
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Why Is the Ocean Blue?

The ocean is blue - and sometimes navy blue - because water absorbs more the red, orange and yellow long wavelength light colors of the light spectrum than the blue color short wavelength light. Besides traveling through the vacuum of space to the Earth's outer atmosphere a journey that takes about eight minutes , a photon must contend with a whole host of "road blocks" to even reach the Earth's surface. Clouds, air, dust, haze and even the surface of the ocean or land cause backscatter. It does not scatter and absorb as much light as murkier coastal water does, and the light that remains is blue. The penetration of sunlight into the sea and its interaction with water and dissolved and suspended materials is arguably the most important physical phenomenon in the ocean. The reason why it happens is that light cannot penetrate the ocean below the "midnight," or aphotic zone, i.
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Phytoplankton absorb electromagnetic radiation in the red and blue parts of the visible light spectrum. One of these is phycoerythrin which is found in cyanobacteria and cryptophytes. Leaves selectively absorb blue and red light, weakly reflect green, and strongly reflect near-infrared radiation. Absorption coefficients are simply an expression of the amount of absorbance at a particular wavelength of light. Join us today or show your support with a monthly donation. As carbon dioxide is a key greenhouse gas, the more that is converted into organic matter that sinks to the ocean floor once phytoplankton die, the lower average future temperatures.
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