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Author :
Release : 1964
Genre :
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Book Synopsis Daily and Quasi-weekly Beach Profile Changes at Monterey, California by :
Download or read book Daily and Quasi-weekly Beach Profile Changes at Monterey, California written by . This book was released on 1964. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James E. Koehr
Release : 1964
Genre : Coast changes
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Book Synopsis Daily and Quasi-weekly Beach Profile Changes at Monterey, California by : James E. Koehr
Download or read book Daily and Quasi-weekly Beach Profile Changes at Monterey, California written by James E. Koehr. This book was released on 1964. Available in PDF, EPUB and Kindle. Book excerpt: Sand heights measured on two beach profiles, supplemented by wave and tide data, were collected on daily and quasi-weekly bases for Del Monte Beach between July 12, 1963, and March 31, 1964. This beach, composed of fine quartz sand, is located in a sheltered indentation where long, low swell predominates. Analysis of the data revealed a dynamic beach characterized by constant daily changes in the lower, active zone. No clear-cut seasonal variation in cut and fill was evident, but large cycles of cut and fill having durations of ten to twenty days occurred irregularly throughout the period. Daily sand-level changes were attributed to constantly changing wave conditions. It was concluded that further research on sand beaches should include wave and sand-level observations taken on a daily basis. (Author).
Author :
Release : 1987
Genre : Coastal engineering
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Book Synopsis Northern California Coastal Processes Annotated Bibliography by :
Download or read book Northern California Coastal Processes Annotated Bibliography written by . This book was released on 1987. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John C. Harlett
Release : 1967
Genre : Beach erosion
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Book Synopsis Daily Changes in Beach Profile and Sand Texture on Del Monte Beach, California by : John C. Harlett
Download or read book Daily Changes in Beach Profile and Sand Texture on Del Monte Beach, California written by John C. Harlett. This book was released on 1967. Available in PDF, EPUB and Kindle. Book excerpt: Beach-elevation measurements were made and sand samples were collected along a single profile daily at low tide during the period from February 1 through March 31, 1967. Wave and tide data were recorded continuously. The beach, composed of medium-to-fine quartz and feldspar sand, is well sheltered from wave action. Wave steepness exerts a great influence on the beach profile. An equilibrium profile was found to exist for a given wave steepness. As wave conditions change, the beach profile tends to change toward the equilibrium profile associated with the new wave steepness. Given an initial beach profile, the amounts of cut and fill that will occur with a given change in wave steepness can be predicted. Textural parameters do not appear to be related to changing wave conditions in a simple way. Equilibrium values of mean grain size, sorting, skewness, and kurtosis exist for any given location on the beach profile. The equilibrium values are apparently indepdent of wave conditions. (Author).
Author : Craig E. Dorman
Release : 1968
Genre : Marine sediments
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Book Synopsis The Southern Monterey Bay Littoral Cell by : Craig E. Dorman
Download or read book The Southern Monterey Bay Littoral Cell written by Craig E. Dorman. This book was released on 1968. Available in PDF, EPUB and Kindle. Book excerpt: A sediment budget was developed for southern Monterey Bay, California. This budget is based heavily upon sediment information obtained from field and laboratory studies. These studies included a detailed quasi-synoptic areal sampling to determine distribution of textural patterns, and a time-series study of beach and surf-zone sand samples obtained from local sand-mining companies. Results from these studies were combined with data on river discharge, the wind and wave regimes, and shoreline changes during the past century to develop quantitative estimates of sediment gains and losses to the cell. It was determined that the major sources of sediment are the discharge from the Salinas River which empties into the northeast corner of the cell, and erosion of Quaternary seacliffs which form the inner bay shore. Major sinks are the Monterey Submarine Canyon, active coastal dune fields, the mining companies, and the offshore area. The recent history of the sediment regime in the southern bay is reviewed, and a forecast of future nearshore changes is made. Recommendations for further work needed to refine the budget computations are presented. (Author).
