CHARACTERISTICS OF THE NEAR-BOTTOM SUSPENDED SEDIMENT FIELD OVER THE CONTINENTAL-SHELF OFF NORTHERN CALIFORNIA BASED ON OPTICAL ATTENUATION MEASUREMENTS DURING STRESS AND SMILE

被引:9
|
作者
TROWBRIDGE, JH [1 ]
BUTMAN, B [1 ]
LIMEBURNER, R [1 ]
机构
[1] US GEOL SURVEY,WOODS HOLE,MA 02543
基金
美国国家科学基金会;
关键词
D O I
10.1016/0278-4343(94)90037-X
中图分类号
P7 [海洋学];
学科分类号
0707 ;
摘要
Time-series measurements of current velocity, optical attenuation and surface wave intensity obtained during the Sediment Transport Events on Shelves and Slopes (STRESS) experiments, combined with shipboard measurements of conductivity, temperature and optical attenuation obtained during the Shelf Mixed Layer Experiment (SMILE), provide a description of the sediment concentration field over the central and outer shelf off northern California. The questions addressed are: (1) existence and characteristics of bottom nepheloid layers and their relationship to bottom mixed layers; (2) characteristics of temporal fluctuations in sediment concentration and their relationship to waves and currents; (3) spatial scales over which suspended sediment concentrations vary horizontally; and (4) vertical distribution of suspended sediment.
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页码:1257 / 1272
页数:16
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