sea backscattering

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• Underwater acoustics — The field of underwater acoustics is closely related to a number of other fields of acoustic study, including sonar, transduction, acoustic signal processing, acoustical oceanography, bioacoustics, and physical acoustics.HistoryUnderwater sound… …   Wikipedia

• inland water ecosystem — ▪ biology Introduction       complex of living organisms in free water on continental landmasses.       Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …   Universalium

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• D. Van Holliday — The figure shows the persistence of a thin layer of zooplankton (green line) over a 48 hour period Dr. Dale Vance Holliday (May 29, 1940 – February 4, 2010) was born in Ennis, Texas and attended the University of Texas at Austin. He graduated… …   Wikipedia

• atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …   Universalium

• Foam — This article is about the substance formed from trapped gas bubbles. For other uses, see Foam (disambiguation). Soap foam bubbles Contents 1 Definition …   Wikipedia

• Colloid — Milk is an emulsified colloid of liquid butterfat globules dispersed within a water based solution. A colloid is a substance microscopically dispersed evenly throughout another substance.[1] A colloidal system consists of two separate phases: a… …   Wikipedia

• Orb (photographic) — The term orb describes unexpected, typically circular artifacts in photographs. Sometimes the artifact leaves a trail, indicating motion. The technical photographic term for the occurrence of orbs, especially pronounced in modern ultra compact… …   Wikipedia

• Scattering theory — Top: the real part of a plane wave travelling upwards. Bottom: The real part of the field after inserting in the path of the plane wave a small transparent disk of index of refraction higher than the index of the surrounding medium. This object… …   Wikipedia

• Q band — The Q band of the microwave part of the electromagnetic spectrum and ranges from 33 to 50 GHz. It sits above, and partly overlaps with, the U.S. IEEE designated Ka band||26.5 to 40 GHz. It sits below the U.S. IEEE designated V band (50–75 GHz) in …   Wikipedia