Exam 1 Flashcards
(81 cards)
What is weather?
What the local atmosphere is doing now
What is climate
The mean weather in a location
Most uv light that hits the plant is filtered out by what?
The atmosphere
Visible light is in what range of wave length?
400-700
UV light is in what range of wave length?
300-400
What wave range is inferred light in
700-3000nm
About how much radiation from the sun makes it to earths surface?
51%
Most solar radiation is reflected by what natural mass?
Clouds 90%
What are water relations?
The balance of water and how it effects organisms through evaporation and transportation
water stores energy (heat) as it evaporates, what is this called?
Latent heat of evaporation
What are temperature relations?
How temperature effects organisms
What is the amount of water in the air called?
Vapor density
What is the maximum amount of vapor air can hold at a given temperature called?
Saturation vapor pressure
How do we calculate relative humidity?
Current vapor pressure/saturated vapor pressure × 100
Relative humidity changes with ______ even if the vapor pressure stays constant.
Temperature
Rate of evaporation is relative to what?
Vapor pressure deficit
The temperature where the relieve humidity is 100, is called what?
The Dew point
Convection in the atmosphere caused by what?
Parcels of warm air that move up and cold air that down.
As altitude increases, pressure and density do what?
Decrease
What is an adiabatic process defined as?
A process where there is no exchange in heat or mass with the environment.
What is a lapse rate?
Rate at which the temperature falls with altitude
What is the dry adiabatic lapse rate?
10°C/1000m
What is the moist adiabatic lapse rate?
~6°C/1000m
Causes a deflection to the right in the North and to the left in the south when moving poleward
Coriolis effect
