T.M. No. 128 - September 1961 



Geomorpho I ogy of the South Shore of Long Island, New York 

 by Norman E. Taney 



The geologic factors which have influenced the development of 

 the south shore of Long Island to date are treated in broad scope. 

 Interpretation of geologic events are drawn from the works of many 

 authors, and a history of shoreline changes and inlet migration is 

 compiled from available USC&GS and Corps of Engineers survey data. 

 Graphic presentation of the shoreline history is included. Littoral 

 transport rates are estimated. All readily available survey data 

 and comparative volumetric changes therefrom are tabulated in 

 append ixes. 



T.M. No, 129 - November 1961 



Littoral Materials of the South Shore of Long Island, New York 

 by Norman E. Taney 



Physical characteristics of littoral materials, which are 

 present and have influenced the development of the south shore of 

 Long Island, are treated in broad scope. Statistical parameters of 

 median diameter, sorting and skewness, describing the beach and 

 bottom sediments, are presented for comparable zones of the profile 

 and comparable survey periods at all locations where such data are 

 available. A limited amount of data on such physical properties as 

 mineral composition, roundness and sphericity of grains, specific 

 gravity, and mass density are also tabulated for the limited areas 

 where they are available. Interrelation of these sedimentary 

 properties and their relationship to geographic location are also 

 i nvesti gated . 



T.M. No. 130 - November 1961 



The Analysis of Observational Data from Natural Beaches 

 by W. C. Krumbein 



Information is presented leading to use of mathematical and 

 statistical approaches for handling large and complex sets of data 

 with use of high-speed computers in analysis of natural beach data. 

 The information is designed in part to set these newer approaches 

 toward natural beach studies in a framework that shows the relation 

 between wave tank data and natural beach data. Certain underlying 

 models, conceptual, physical, and statistical, that apply in the 

 two cases, are discussed and in part illustrated. Limited data of 

 the scope necessary for illustration were available from studies 

 designed for other uses at Mission Beach, California, and general- 

 izations derived from analysis of these data are used in discussion 

 of the design of field beach studies seeking to relate beach 

 responses to several complex process elements. 



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