T

1. Temperature:

   1. adiabatic changes, 63–65

   2. annual variation:

      1. at surface, 129, 130

      2. in surface layers, 131–133

         1. theory, 135–137

   3. as an ecological factor, 770, 792–795, 843–858

   4. average surface values, 127

   5. difference, sea-surface minus air, 128, 129

   6. diurnal variation:

      1. at surface, 133, 134

      2. in surface layer, 135

   7. measurements, 347–352

   8. potential, 64

      1. at depths exceeding 4000 m, 747, 749

      2. basin water, 149

      3. bottom water, 749

      4. Caribbean Sea, 640, 641

      5. China Sea and Sulu Sea, 735

      6. Gulf of Mexico, 641

      7. Mediterranean Sea, 644

      8. Mindanao Trench, 739

   9. range, in oceans, 55

2. Temperature-salinity diagram, 142

   1. illustrating water masses of:

      1. all oceans, 741

      2. equatorial region, Atlantic, 631

      3. equatorial region, Pacific, 707

      4. Indian Ocean, 692

      5. North Atlantic, 669

      6. North Pacific, 713

      7. South Atlantic, 626

      8. South Pacific, 699, 700

      9. Subantarctic region, 612

   2. used for checking data, 358

3. Teredo:

   1. depredations by, 841

   2. diet, 896

4. Terrigenous materials in sedments, 948, 949

5. Terrigenous mud, radium content of, 1034

6. Terrigenous sediments, 972–974

   1. average percentage of calcium carbonate, 1006

   2. classification, 973, 974

   3. distribution, 972, 975, 976

   4. rate of deposition, 1039, 1040

7. Texture of sediment:

   1. beach, 1019–1022

   2. bearing on content of organic matter, 1016

   3. continental shelf, 1020–1022

   4. deep sea. 979–982

8. Texture of sediments, 969–971

9. Thermal conductivity (see also Eddy conductivity), 60, 61

10. Thermal expansion, 60

11. Thermometers, 347–352

    1. protected reversing, 349, 350

    2. unprotected reversing, 350, 351

12. Thorium, 184

13. Tidal currents:

    1. Atlantic Ocean, 584, 585

    2. effect of friction, 577–580

    3. influence of bottom topography, 567, 568

    4. in sounds, 568, 569

    5. rotary, 570

       1. due to earth's rotation, 571–573

       2. due to interference, 570

    6. theory, 564

14. Tidal energy, 569

15. Tide-producing forces, 545–550

16. “Tide rips,” 716

17. Tides:

    1. analysis and prediction, 564

    2. Atlantic Ocean, 581

    3. character, 558

    4. cooscillating, 553

    5. effect of Corioli's force, 555

    6. effect of friction, 574

    7. importance to shallow-water sediments, 1017

    8. independent, 554

    9. meteorological, 559

    10. observations, 359–361

    11. partial, 549, 558

    12. theories, 550–552

18. Tintinnoinea, systematic position of, 305

19. Trajectories, 426

20. Transparency, 85

21. Transport, volume of, 462–465

    1. Antarctic Circumpolar Current, 615–617

    2. by wind currents, 498

    3. North Atlantic, 683–685

    4. North Pacific, 727, 728

    5. South Atlantic, 628, 629

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― 1076 ―

22. Transport across the equator:

    1. Atlantic, 637, 685

    2. Pacific, 752

23. Transportation of particles along bottom, 959–966

    1. effect on shape, size, and composition, 966–967

24. Transportation of particles by currents, 959

25. Transportation of sediments to the sea, 953–956

    1. by ice, 953

    2. by organisms, 954

    3. by winds, 954–955

    4. importance to character of Sediments, 1043

26. Transport of heat by ocean currents, 99

27. Trawls: beam, otter, and ring, 375, 376

28. Tripping mechanism, 380

29. Tropical convergences, 140

30. Tropical submergence, 849

31. Troposphere, oceanic, 141

32. Tsunamis (see also Earthquake waves), 543

    1. contributing to formation of submarine canyons, 42

    2. importance to transportation of sediments, 965

33. Tunicates, bathymetric distribution of, 807

34. Turbulence (see also Eddy viscosity and Eddy diffusion), 90–93, 471

    1. horizontal, 477, 478

    2. importance to transportation of sediments, 960, 962–965

    3. influence of stability on, 92, 476, 477

    4. transport of momentum, 472, 473