ATMOSPHERE Flashcards

1
Q

WHAT PRESSURE IS AT THE EQUATOR, WHY

A
  • LOW PRESSURE
  • THE HEAT MAKES AIR EXPAND AND RISE
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2
Q

PRESSURE GRADIENT FLOW

A

AIR FLOWS FROM HIGH PRESSURE TO LOW

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3
Q

GEOSTROPHIC FLOW

A

PRESSURE GRADIENT PULLS AIR TO THE NOTH BY THE CORIOLIS DEFLECTS IT TO THE SOUTH, AIR THEN RUNS PARALLEL TO ISOBAR

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4
Q

JET STREAM

A

West-to-east winds moving at the top of the troposphere, following a pressure gradient. The jet stream typically meanders, and roughly follows to the polar front

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5
Q

ROSBY WAVES

A

Large-scale undulations of the polar front and the jet stream
* AFFECT VELOCITY AND POSITION OF JET STREAM

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6
Q

ANTICYCLONIC FLOW

A

High pressure systems

Winds spiral out clockwise

Divergence system, winds flow down

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7
Q

CYCLONIC FLOW

A

Low pressure systems

Rising air and converging surface winds spiraling inwards

Counterclockwise

Convergence system, winds flow up

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8
Q

COLD FRONT

A
  • COLD POLAR IS DENSER AND SLIDES UNDER THE WARM AIR TO PUSH IT UPWARDS
  • ADIABATIC COOLING AND RAIN
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9
Q

WARM FRONT

A
  • WARM AIR FROM TOPICS ADVANCES ON COLD AIR AND FLOWS OVER TOP
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10
Q

WHAT SPHERE IS THE OZONE

A

MESOSPHERE

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11
Q

SATURATION VAPOUR PRESSURE

A

AMOUNT OF WATER IN EQUILIBRIUM WITH WATER OR ICE
RISES WITH TEMPERATURE

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12
Q

LATENT HEAT

A

ENERGY ADDED OR REMOVED WITHOUGHT CHANGING TEMP

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13
Q

UNDERSATURATION

A

PARTIAL PRESSURE OF WATER VAPOUR IS LOWER THAT SATURATION VALUE

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14
Q

ITCZ

A
  • GLOBAL AIR CIRCULATION
  • CONVERGENCE ZONE
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