Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
54 Cards in this Set
- Front
- Back
SHORT RESIDENCE TIME LELMENTS ARE UNIFORMLY DISTRIBUTED IN THE OCEANS |
FALSE |
|
THERMOHALINE CIRCULATION IS THE PROCESS WHEREBY SURFACE SEAWATER BECOMES DENSER AT HIGH LATITUDES AND SINK TO FORM NEW DEEP WATER |
TURE |
|
DRY AIR IS MORE DENSE THAN HUMID AIR |
FALSE |
|
LONG WAVELENGTH DEEP WATER WAVES TRAVEL MORE SLOWLY THEN SHORT ONES |
FALSE |
|
WHEN A SHALLOW WATER WAVE APPROACHES THE SHORE IT BENDS TOWARDS IT |
TRUE |
|
TSUNAMI ARE DEEP WATER WAVES |
FALSE |
|
TIDESARE CREATED ONLY AS A RESULT OF GRAVITATIONAL ATTRACTION |
TRUE |
|
THE SUN HAS MORE EFFECT ON THE TIDES THAN THE MOON |
FALSE |
|
WHEN THE CO2 LEVEL OF THE ATMOSPHERE IS LOW THE AVERAGE TEMPERATURE OF THE PLANET IS LOW |
TRUE |
|
SALINITY IS USED IN DETERMINING THE DENSITY OF SEAWATER |
FALSE |
|
NITRATE, PHOSPHATE, CARBON AND CALCIUM ARE REQUIRED NUTRIENTS |
TRUE |
|
THE MAZIMUM DENSITY OF SEAWATER OCCURS AT APPROXIMATELY 4 C |
FALSE |
|
SALINITIES IN THE OPEN OCEAN CAN VARY FROM 32-39 |
TRUE |
|
SURFACE CURRENTS ARE DRIVEN BY THERMOHALINE PROCESSES |
FALSE |
|
THE GYRE CURCULATION IN THE NORTH ATLANCTIC IS OPPOSITE TO THAT IN THE NORTH PACIFIC BECAUSE CORIOLIS FORCE IS OPPOSITE IN THE WESTERN HEMISPHERE |
TRUE |
|
DURING LA NINA THE SURFACE OF THE WESTERN PACIFIC IS HIGHER THEN THE EASTERN PACIFIC |
TRUE |
|
CARBON DIOXIDE IS ONE OF SEVERAL GREENHOUSE GASES |
TRUE |
|
GYRES IN THE SOUTHERN HEMISPHERE ROTATE ANTICLOCKWISE |
FALSE |
|
How much salt is dissolved in a kilogram of typical seawater
|
35GRAMS |
|
IN sea water major ions constitute what percentage of the total |
99.8% |
|
How long would it take to replace all the water in the oceans with river water? |
36,000 YRS |
|
The freezing point of seawater of salinity 35 is approximately: |
-1.9 C |
|
IF YOU COOL SEAWATER ITS DENSITY |
INCREASES |
|
IN WATER THE SPEED OF SOUND |
INCREASES WITH INCREASING PRESSURE |
|
THE SOUND CHANNEL IN THE OCEAN IS A REGION |
WITH MINIMUM SOUND |
|
Cold air is heavier than warm air, so at ground level the higher pressure would be |
under the warm air |
|
WESTERN BOUNDARY CURRENTS ARE |
FAST AND WARM BOUNDARY CURRENTS |
|
THERE ARE TWO SPRING TIDES EVERY |
14 DAYS |
|
THE CURRENT CO2 CONTENT OF THE ATMOSPHERE (INPPM) IS ABOUT |
395 |
|
DURING AN ICE AGE SEA LEVEL |
GOES DOWN |
|
HIGH SALINITY IS DUE TO |
EVAPORATION EXCEEDING PERCIPITATION |
|
WHY IS THE OCEAN SALTY |
MATERIAL FROM VOLCANOS, RIVERS, HYDROTHERMAL VENTS |
|
WARM AIR RISES COLD AIR SINKS |
TRUE |
|
WITH SURFACE WIND WAVES REFRACTION IS RESPONSIBLE FOR |
THE WAVES WITH LONGER PERIOD ARRIVING FIRST |
|
MAJOR IONS IS SEA WATER HAVE RESIDENCE TIMES |
GREATER THEN 1 MILLION YEARS |
|
WHICH OF THE FOLLOWING CHEMICALS IS MOST LIKELY TO BE THE LIMITING NUTRIENT IN THE SURFACE WATERS OF THE OCEAN. |
PHOSPHOROUS |
|
WHAT DETERMINES THE DEPTH TO WHICH NITRATE AND PHOSPHATE ARE COMPLETELY REMOVED FROM THE SURFACE WATERS OF THE OCEAN |
TEMPERATURE |
|
TOTAL WATER IN THE OCEAN THE DEEP ZONE ACCOUNTS FOR ABOUT |
80% |
|
THE MASS OF ONE SQUARE INCH OF THE ATMOSPHERE AT THE EARTHʻS SURFACE IS APPROXIMATELY |
15 POUNDS |
|
EKMAN TRANSPORT IN THE NOTHERN HEMISPHERE RELATIVE TO THE WIND IS |
TO THE LEFT |
|
CURRENTS FLOW AROUND THE GYERS BECAUSE OF |
GEOSTROPHIC BALANCE |
|
WAVE BEHAVES AS A SHALLOW WATER WAVE WHEN THE DEPTH OF THE OCEAN IS EQUAL TO OR LESS THEN |
1/20 WAVELENGTH |
|
DEEP WATER WAVE APPROACHES THE SHORE WHICH IS TRUE |
ITS PERIOD REMAINS CONSTANT |
|
SPRING TIDES OCCUR WHEN |
THE MOON IS ONE QUARTER |
|
ONE SVERDRUP EQUALS |
1 MILLION CUBIC METERS SECOND |
|
HIGH PRESSURE SYSTEM IN THE NORTHERN HEMISPHERE WILL HAVE |
RISING AIR WHICH DRAWS SURFACE AIR IN THE SURFACE WINDS SPIRAL TO THE RIGHT |
|
ACCELERATION IS |
RATE OF CHANGE OF SPEED WITH DISTANCE |
|
THE PERIOD OF A WAVE IS |
THE TIME IT TAKES SUCCEEDING CRESTS TO PASS A FIXED POINT |
|
EACH DAY HIGH TIDE IS APPROXIMATELY |
1 HR LATER |
|
HOW MUCH OF THE EARTHʻS WATER IS IN THE OCEANS |
97% |
|
THREE MECHANISMS WHICH HEAT CAN BE TRANSFERRED ARE |
RADIATION, CONDUCTION, CONVECTION |
|
EXCESS HEAT IS TRANSPORTED FROM THE TROPICS TO THE POLES BY THE |
ATMOSPHERE AND OCEAN |
|
THE OCEAN IS BLUE? |
WATER ABSORBS COLORS IN THE RED SPECTRUM AND LIKE A FILTER DOES NOT THE BLUE SPECTRUM |
|
MAJOR IONS IS SEAWATER |
SALINITY, CHLORIDE, SODIUM, SULPHATE, MAGNESIUM CALCIUM POTASSIUM |