| GEO 125
Physical Geography
TEMPERATURE
VARIATIONS
Temperature scales
- Fixed points : (1) Ice point and (2) Steam point
- Fahrenheit scale
- Celsius (Centigrade) scale
- Where and when different temperature scales are used
Variation in temperature with altitude
- A. Negative relationship between temperature and altitude in
the troposhpere
- Temperature inversions
Temporal variations in temperature
- Daily: (1) Variation by hour of the day and (2) Clear days
versus cloudy days
- Annually
- Recent past
- Geologic past
Temperature maps
- Temperature as a continuous distribution
- Isotherm maps
Geographic variation in temperature
- Latitudinal position
- Altitude
- Distribution of land versus water in determining geographic
variations in temperatures as related to (1) absorption, (2) radiation, and (3) reflection
(albedo)
- Degree of continentality: (1) continental climates and (2)
maritime climates
- Ocean currents: (1) Warm water currents and (2) cold
water currents
Variation in temperature at different spatial scales
- Microscale
- Macroscale
- Mesoscale
- Global scale
Instruments used to measure temperature
- Liquid-in-glass thermometers: (1) standard themometer, (2)
maximum thermometer, and (3) ninimum thermometer
- Thermographs
- Thermocouples
- Instrument shed
Air temperature data
- A. Daily maximum
- B. Daily minimum
- C. Daily average
- D. Monthly average
- E. Annual average
- F. Annual average
- G. Annual average
- H. Annual temperature range
Applied uses of temperature data
- Climographs
- Degree days: (1) cooling, (2) heating and (3) growing
- Indices of human discomfort: (1) wind-chill factor and (2)
heat index
Main Menu
|