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from article Remipedia

Representative Remipedia. (a) Speleonectes lucayensis (after F. R. Schram, Crustacea, Oxford University Press, New York, 1986). (b) Lasionectes entrichoma [after J. Yager and F. R. Schram, Lasionectes entrichoma, new genus, new species (Crustacea:…

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from article Nearshore processes

Longshore currents, generated when waves approach the beach at an angle. At Oceanside, California, the longshore current is flowing toward the observer. (Photo courtesy of Department of Engineering, University of California, Berkeley)

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from article Nearshore processes

Definition sketches for nearshore circulation cells. (a) Asymmetrical cell for breakers oblique to the shore. (b) Symmetrical cell for breakers parallel to the shore.

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from article Nearshore processes

Beach profile, showing characteristic features.

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from article Nearshore processes

Effect of headlands on the accretion of beach sand at Point Mugu, California. The point forms a natural obstruction that interrupts the longshore transport of sand, causing accretion and a wide beach to form (foreground). The regularly spaced…

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from article Nearshore processes

Sand delta at Rio de la Concepción on the arid coast of the Gulf of California. Such deltas are important sources of sand for beaches. (Courtesy of D. L. Inman)

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from article Cumacea

A typical adult male cumacean.

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from article Bluegrass

Kentucky bluegrass (Poa pratensis). (Photo courtesy of Forest and Kim Starr)

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from article Coronoidea

Stephanocrinus gemmiformis, Middle Silurian, Tennessee; side view of the theca.

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from article Bipolar disorder

Prevalence of bipolar disorder in adults. The bar graph shows the percent of the U.S. adult population affected by bipolar disorder as it relates to age. (Credit: National Institute of Mental Health)