S — Cont 



Sieve size analysis 4-26 



sand 4-26 



Significant height 3-2 



Significant period 3-2 



Significant wave 3-2, 3-61, 7-1, A-33 



hurricane 3-57 



Significant wave height 3-2, 4-34, A-33 



distribution 4-34, 4-35 



Significant wave period 3-5, A-33 



Silt 4-20 



Size analysis 4-26 



Size classification (sediments) (see Soil classification) 



Skewness 4-18, 5-1 1 



Small AmpHtude Wave Theory (see Wave, Airy Theory) 



S-M-B Wave Prediction Method 3-34 



Soil classification 4-11, A-34, A-35 



unified soil classification 414, A-35 



Wentworth size classification 4-11, 4-14, A-35 



Solitary Wave Theory 2-2, 2-3, 2-59, A-34 



Sorting coefficient A-34 



Sorting (sediments) 



poorly-sorted 4-15 



well-sorted 4-15 



South Lake Worth Inlet, Florida . .4-150, 6-54, 6-56, 6-57 



Specific energy 2-27 



Specific gravity (see also Mass density; Unit weight) 



littoral material 4-19, 4-102 



littoral materials (immersed) 4-60 



rock 7-201 



sand 4-19, 8-116 



Speed, wind (conversion table) C-44 



Spring tides A-36 



Stability 



beach 1-13, 5-38 



caisson 6-96, 7-201, 8-96, 8-99, 8-101, 8-106 



channel 5-46 



dunes 5-21, 6-37 



inlet 5-46, 6-65 



rubble foundations 7-201 



rubble-mound structures 7-167 



sliding 8-101, 8-106 



toe protection 7-201 



StabUity coefficient 7-169, 7-170, 7-175, 7-178 



selection 7-175 



Standard deviation (sediment) 4-16, 5-11 



Standard Project Hurricane (SPH) 3-100, A-17 



Standing waves (see also Clapotis; Seiche) . . . 2-4, 2-113, 



3-78, 7-127, A-36 



anfinode 2-115, 3-79, A-1 



crest height at wall 7-128 



node 2-113, 3-79, A-24 



Staten Island, New York 4-142, 4-145 



Stationary wave (see also Standing wave) A-36 



Steel groin 6-76 



Steel sheet-pile bulkhead 6-6, 6-8 



Steepness (wave) 2-39, 2-120, 2-121 



Stevensville, Michigan 4-115 



Stillwater Level (SWL) 3-1, A-36 



Stockpile (see Artificial beach nourishment; Feeder beach) 

 Stokes 2-2, 2-3, 2-36 



inued 



Stokes Wave Theory 2-2, 2-3, 2-36 



Stone-asphalt breakwater (shore-connected) 6-89 



Stone weight and dimension table 7-198 



Storm 



design storm 3-85 



effect on beach 1-10, 1-11, 1-12,4-37,4-115 



extratropical 3-83 



extreme events 4-37 



northeaster 3-84, 4-29 



tropical 3-83 



Storm attack (on beaches) . . 1-5, 1-1 1, 4-37, 4-70, 4-71 , 



4-115,5-21,5-23 



Storm berm 5-19 



Storm surge (see also Surge) . 1-9, 3-69, 3-70, 3-82, 4-29, 



8-10, A-36 



Bathystrophic Storm Tide Theory 3-101 



design example (Nomograph Method) 8-10 



prediction 3-84, 3-85, 3-92, 3-96, 3-101, 3-115, 



3-126,3-140 



Storm tide (see Storm surge) 



Storm tracks (hurricane) . . . 3-57, 3-86, 3-98, 3-1 10, 8-1 1 



Storm wave attack (on beaches) . . . 1-5, 1-11, 4-29, 4-37, 



4-70, 4-71, 4-115 5-21, 5-23 



Stream Function Wave Theory 2-62 



Stress, wind 3-94, 3-95, 3-101, 3-103, 3-139 



Structures 



design (see Structure design (economic evaluation)) 



flexible 7-2 



rigid 7-2 



scour 5-4, 5-5 



semirigid • 7-2 



Structure damage 7-2, 7-3 



progressive 7-3 



Structure design (economic evaluation) 

 (see also Rubble-mound structures) .... 7-1, 8-63, 8-65 



Submarine canyon 4-127, A-5 



Subsurface pressure 



Airy Wave Theory 2-22 



cnoidal wave 2-48 



solitary wave 2-60 



Stokes Wave Theory 2-39 



Summary of Synoptic Meteorological Observations 



(SSMO) 342, 4-35, 4-107 



Surface friction (wind stress)(k) 3-21, 3-29, 3-103, 



3-139 



Surf zone 4-53, 4-54 



Surge A-37 



hurricane (see Storm surge) 



hydrograph .... 3-87, 3-99, 3-109, 3-115, 3-118, 8-15, 



8-16 



maximum 3-97 



peak 3-97 



prediction 3-84, 3-85, 3-92, 3-96, 3-101, 3-115, 



3-126, 3-140 



storm 1-9, 3-69, 3-70, 3-82, 4-29, 8-10, A-36 



Survey (beach) 4-57, 4-147 



Suspended load 4-53, 4-54, A-37 



Swell 1-7, 2-4, 3-34 



travel time 3-42, 3-45 



Symbols (Ust of) B-1 



Synoptic surface weather chart 3-22 



D-ll 



