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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 Parenchyma

Schematic representation of a group of cells from parenchyma of Asparagus root, illustrating regular arrangement of cells in a compact tissue.

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from article Parenchyma

Transverse section of a leaf of Tolmiea menziesii, showing mesophyll or chlorenchyma with prominent intercellular spaces. (Photograph by R. B. Wylie)

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from article Parenchyma

Section of Olearia rami leaf cut parallel to surface, showing mesophyll or chlorenchyma with prominent intercellular spaces. (Photograph by R. B. Wylie)

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from article Bluegrass