<Essofocean8Ed> Chapter 9: Tides

Front 1

periodic raising and lowering of the average sea level each day

Back 1

tides

Front 2

what provides the generating force of tides

Back 2

moon's and sun's gravitational attraction

Front 3

center of mass (located inside the earth) of the sun and moon

Back 3

barycenter

Front 4

point on earth closest to moon where gravitation pull is strongest

Back 4

zenith (Z)

Front 5

point on earth farthest from the moon where gravitational pull is the weakest

Back 5

nadir (N)

Front 6

tide-generating force is inversely proportional to the _______ of the distance between earth's points and the moon or sun

Back 6

cube

Front 7

water bulging toward and away from moon

Back 7

lunar bulges (tidal bulges)

Front 8

length of lunar day

Back 8

24 hrs 50 mins

Front 9

what percentage of the size of lunar bulges are solar bulges due to differing tide-generating forces

Back 9

46%

Front 10

periodic movement of water toward shore and into basins

Back 10

flood tide, flood current

Front 11

periodic movement of water away from shore and draining out of basins

Back 11

ebb tide, ebb current

Front 12

length of tidal cycle, which is a lunar month

Back 12

29.5 days

Front 13

phase of moon when moon is between earth and sun and disappears

Back 13

new moon

Front 14

phase of moon when earth is between moon and sun and the moon is fully lit

Back 14

full moon

Front 15

vertical difference between successive tides

Back 15

tidal range

Front 16

phase of moon when moon is at a right angle to sun-earth line

Back 16

quarter moon

Front 17

tide that occurs when there is constructive interference between solar and lunar bulges, and all 3 bodies are lined up

Back 17

spring tide

Front 18

tide that occurs when sun, earth, and moon form a right angle

Back 18

neap tide

Front 19

the alignment of 3 celestial bodies in a row

Back 19

syzygy

Front 20

for which is the tidal range greater: neap or spring tide?

Back 20

spring tide

Front 21

vertical angle between earth's equatorial plane and the sun or moon

Back 21

declination

Front 22

plane of earth's motion

Back 22

ecliptic

Front 23

maximum declination of earth with respect to sun

Back 23

23.5 degrees

Front 24

point when moon is closest to earth during elliptical orbit

Back 24

perigee

Front 25

point when moon is farthest from earth during elliptical orbit

Back 25

apogee

Front 26

point when sun is closest to earth during elliptical orbit

Back 26

perihelion

Front 27

point when sun is farthest from earth during elliptical orbit

Back 27

aphelion

Front 28

tides occurring when spring tides coincide with perigee, resulting in high tidal ranges

Back 28

proxigean tides

Front 29

length of anomalistic month

Back 29

27.5 days

Front 30

when did the last absolute maximum tidal range occur; when will the next be

Back 30

1700; 3300

Front 31

difference between successive low or high tides each day

Back 31

diurnal inequality

Front 32

point around which open ocean tidal crests and troughs rotate

Back 32

amphidromic point

Front 33

lines connecting points that have high tide simultaneously

Back 33

cotidal lines

Front 34

lines connecting points with the same tidal range

Back 34

corange lines

Front 35

does a completely mathematical model of tides exist

Back 35

no

Front 36

pattern of tides existing when there is 1 high and 1 low tide per lunar day

Back 36

diurnal tides

Front 37

where do diurnal tides occur

Back 37

Gulf of Mexico, Southeast Asia

Front 38

tidal period of diurnal tides; are successive diurnal tides similar in range

Back 38

24 hrs 50 mins; no

Front 39

tidal pattern existing when there are 2 high and 2 low tides per lunar day

Back 39

semidiurnal tides

Front 40

where do semidiurnal tides occur

Back 40

Atlantic coast of USA

Front 41

tidal period of semidiurnal tides; are successive semidiurnal tides similar in range

Back 41

12 hrs 25 mins; yes

Front 42

tides that occur every 12 hrs 25 mins, but experience diurnal inequality

Back 42

mixed tides (mixed semidiurnal tides)

Front 43

where do mixed tides occur

Back 43

Pacific Coast of North America

Front 44

starting point or reference point

Back 44

datum

Front 45

what is the most common type of tide around the world

Back 45

mixed tide

Front 46

wave going up a low-lying river caused by an incoming tide (flood tide/current)

Back 46

tidal bore

Front 47

where is the largest tidal range in the world found

Back 47

Bay of Fundy, Nova Scotia

Front 48

what is the tidal range at the northern end of Minas Basin

Back 48

17 m

Front 49

rotation of tidal waves around a point in the open ocean

Back 49

rotary current

Front 50

inward and outward flow of water due to tides along coasts

Back 50

reversing/alternating current

Front 51

result of no tidal changes occurring at high tide or low tide

Back 51

slack water

Front 52

rapidly spinning body of water in shallow passages near the coast due to reversing tidal currents

Back 52

whirlpool

Front 53

famous whirlpool off the coast of Norway

Back 53

Maelstrom

Front 54

where do the highest tidal bores occur; how high

Back 54

Chientang River, China; 8 m

Front 55

where is the largest tidal bore in the USA

Back 55

Cook Inlet, in Anchorage, Alaska

Front 56

where do the farthest-reaching tidal bores occur

Back 56

Amazon River

Front 57

only fish that comes ashore along sandy California beaches to spawn (not in water)

Back 57

grunion

Front 58

what 2 factors increase the amount of usable tidal energy a power plant can harness

Back 58

basin area, tidal range

Front 59

where is the only tidal power plant in North America

Back 59

Annapolis River estuary, within Bay of Fundy