288 NAUI Master Scuba Diver INDEX Soft corals ..........................................................................54 Softshell turtle ...................................................................60 Solids..........................................................................95, 100 SOS Hyperlite hyperbaric chamber ...............................166 Sound, energy and ............................................................99 Sound and fog signals, restricted visibility and ....266, 267 Spear fishing ...............................................................48, 58 Species, divisions of plants and animals and ...........49, 50 Specific heat ......................................................................99 Spilling breakers ........................................................ 38, 39 Sponges ........................................................................50, 54 Spring turnover .................................................................46 Squalls ...............................................................................47 Square knot .....................................................................270 Square search pattern.....................................................222 Stage decompression ......................................................153 “Staggers” ................................................................118, 146 Staghorn coral ..................................................................56 “Stand on” vessel, right of way and .......................264-266 Starfish ...............................................................................56 Stinging hydroids ..............................................................55 Stingrays ......................................................................56, 58 Stonefish ............................................................................56 Stony corals .......................................................................56 Storms ................................................................................47 Straight-line search patterns .........................................223 Strength, muscular, and endurance, physical fitness and .................................. 137, 143, 144 Strenuous or cold dives ..........................................159, 242 Stress breathing and ............................................................109 deep diving and .................................................234, 235 increased, deep diving and .......................................243 thermal .......................................................................251 Strobe lights, night diving and ..............................213, 214 Stroke ...............................................................................122 heat .............................................................................132 Subcutaneous emphysema .....................................123, 124 Submerged victim, diver rescue and .............................186 Submersible pressure gauges .........................9, 14-16, 232 Suffocation ......................................................................116 Suiting up, deep diving and ...........................................243 Sunlight .............................................................................47 Supervisor in hyperbaric chamber ................................166 Surf ..............................................................................37-40 effects of, on beaches...................................................39 entries through ............................................................39 exiting through ............................................................40 Surf grass ...........................................................................50 Surf passages ...............................................................39, 40 Surf zone .....................................................................37-39 Surface Air Consumption (SAC) rate.........................92-95 Surface cylinder pressure gauge ......................................16 Surface interval of less than 10 minutes, dive tables and ......................................160 Surface Interval Time (SIT)...........................................158 Surface lights, night diving and ....................................213 Surge ......................................................................34, 36, 50 Surging breakers .........................................................38, 39 Swells .................................................................................36 Swimmer’s ear ................................................................136 Swiss theory, decompression and ..................................156 T Table-based dive computers ............................................22 Tag line, deep diving and ...............................................236 Tannin-stained freshwater .............................................207 Technical diving .....................................................248-255 enriched-air nitrox and ....................................250, 251 equipment for ....................................................252-254 training and ...............................................................254 Trimix diving and ...........................................................251 Temperature .............see Heat; Hyperthermia; Hypothermia Tender in hyperbaric chamber ......................................167 Testosterone .....................................................................137 Tetanus prevention .........................................................136 Tether lines, diving in limited visibility and .................208 Tetrodotoxin ................................................................53, 56 Thermal changes ........................................................45-47 Thermal conductivity .....................................................100 Thermal stratification .................................................45-47 Thermal stress .................................................................251 Thermocline ............................................... 46, 76, 206, 207
20047TC
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