. Annual data summary for 1991 CERC Field Research Facility. Ocean waves; Marine meteorology; Oceanographic research stations; Oceanography. Temperature Year deg C -K1991 -©1980-91 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Month Figure 19. Daily water temperature values with monthly means Visibility 54. Visibility in coastal nearshore waters depends on the amount of salts, soluble organic material, detritus, living organisms, and inorganic particles in the water. These dissolved and suspended materials change the absorption and attenuation characteristics
. Annual data summary for 1991 CERC Field Research Facility. Ocean waves; Marine meteorology; Oceanographic research stations; Oceanography. Temperature Year deg C -K1991 -©1980-91 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Month Figure 19. Daily water temperature values with monthly means Visibility 54. Visibility in coastal nearshore waters depends on the amount of salts, soluble organic material, detritus, living organisms, and inorganic particles in the water. These dissolved and suspended materials change the absorption and attenuation characteristics of the water that vary daily and yearly. 55. Visibility was measured with a Secchi disk, and similar to water temperature, variation was related to onshore and offshore winds. Onshore winds moved warm clear surface water toward shore, whereas offshore winds brought up colder bottom water with large concentrations of suspended matter. Figure 20 presents the daily and monthly mean surface visibility values for the year. Large variations were common, and visibility less than 1 m was expected in any month. Monthly means are given in Table 8. 47. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Leffler, Michael W; United States. Army. Corps of Engineers; Coastal Engineering Research Center (U. S. ); U. S. Army Engineer Waterways Experiment Station. [Vicksburg, Miss. : U. S. Army Engineer Waterways Experiment Station ; Springfield, Va. : Available from National Technical Information Service]
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