Sand Level Changes On Torrey Pines Beach California
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Sand Level Changes On Torrey Pines Beach California
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Author : Charles E. Nordstrom
language : en
Publisher:
Release Date : 1975
Sand Level Changes On Torrey Pines Beach California written by Charles E. Nordstrom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Coast changes categories.
Sand Level Changes On Torrey Pines Beach California Classic Reprint
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Author : Charles E. Nordstrom
language : en
Publisher: Forgotten Books
Release Date : 2018-09-23
Sand Level Changes On Torrey Pines Beach California Classic Reprint written by Charles E. Nordstrom and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-23 with Science categories.
Excerpt from Sand Level Changes on Torrey Pines Beach, California The principal objective of this study was to measure beach profiles along a straight beach with uncomplicated offshore bathymetry that is exposed to ocean waves from all offshore directions. Emphasis in this study was placed upon the accurate measurement of beach profiles in order to determine changes in profile configuration caused by wave action Profiles were measured from the beach backshore seaward to a depth of about 60 feet (18 m) at monthly intervals for a period of 23 months Additional measurements were made following storms and periods of high waves in order to document the extent of profile modification associated with these periodic events. Daily visual observations and measurements by pressure sensors provided a record of the waves incident to the beach during the duration of the study. Comparison of the profiles from month to month and seasonally was made to determine the erosional and deposi tional parts of the profile and the volumes of sand involved in onshore offshore transport. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Sand Level Changes On Torrey Pines Beach California
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Author : Charles E. Nordstrom
language : en
Publisher:
Release Date : 1975
Sand Level Changes On Torrey Pines Beach California written by Charles E. Nordstrom and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Coast changes categories.
Changes In Sand Level On The Beach And Shelf At La Jolla California
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Author : Douglas Lamar Inman
language : en
Publisher:
Release Date : 1956
Changes In Sand Level On The Beach And Shelf At La Jolla California written by Douglas Lamar Inman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Sand categories.
Sand Level Changes On Torrey Pines Beach California
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Author : D. I. Inman
language : en
Publisher:
Release Date : 1975
Sand Level Changes On Torrey Pines Beach California written by D. I. Inman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.
Seasonal Sand Level Changes On Southern California Beaches
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Author : Marissa L. Yates
language : en
Publisher:
Release Date : 2009
Seasonal Sand Level Changes On Southern California Beaches written by Marissa L. Yates and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Seasonal airborne and ground-based observations of sand level changes were made along the coast of southern California from 2001 to 2008. Hourly, high alongshore spatial resolution wave estimates from a network of wave buoys and a spectral refraction wave model complement the sand level change data. Water returns from the ocean surface were removed from the airborne lidar elevation observations with a new method using tide and wave data, which was validated with concurrent in situ surveys. The resultant sand levels show high alongshore variability in seasonal shoreline position change along the 120-km survey region. Alongshore variability in wave energy, geologic factors, and sand grain size are hypothesized to control the alongshore variability of the seasonal shoreline change magnitude. Monthly or more frequent ground-based surveys at four selected focus sites show seasonal shoreline and bathymetry change, with winter shoreline erosion and offshore bar development, and summer shoreline accretion and the loss of the offshore bar. Analysis of surveys completed after a small beach nourishment at Torrey Pines Beach showed the presence of the nourishment through more than one full seasonal cycle. Observations from Torrey Pines Beach show the dependence of shoreline change on the initial shoreline position and the wave forcing. The observations motivated the development of an equilibrium shoreline change model, which accurately reproduces the observations with four free parameters. With at least two years of monthly surveys or multiple years of appropriately-timed biannual observations used to determine the free parameters, the model accurately predicts withheld observations and is applied at the additional survey sites. Ongoing work includes applying the model at additional locations and investigating the relationship between the tuned parameters and geologic factors.
Sand Movement On The Shallow Inter Canyon Shelf At La Jolla California
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Author : Francis Parker Shepard
language : en
Publisher:
Release Date : 1951
Sand Movement On The Shallow Inter Canyon Shelf At La Jolla California written by Francis Parker Shepard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Littoral drift categories.
Daily Changes In Beach Profile And Sand Texture On Del Monte Beach California
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Author : John C. Harlett
language : en
Publisher:
Release Date : 1967
Daily Changes In Beach Profile And Sand Texture On Del Monte Beach California written by John C. Harlett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Beach erosion categories.
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).
Regional Beach Sand Retention Strategy Final Report
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Author :
language : en
Publisher:
Release Date : 2001
Regional Beach Sand Retention Strategy Final Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Shore protection categories.
Changes In Sand Level On The Beach And Shelf At La Jolla California
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Author : D. L. Inman
language : en
Publisher:
Release Date : 1956
Changes In Sand Level On The Beach And Shelf At La Jolla California written by D. L. Inman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Sand categories.