GEOG110

Question 1

name three examples of climatic hazards

Answer 1

forest fire, tornadoes, hurricanes

Question 2

name two ways climate can affect health

Answer 2

west nile virus and lyme disease

Question 3

between what time was the little ice age

Answer 3

1500 to 1850 AD

Question 4

between what time was the medieval climatic optimum

Answer 4

1100 to 1450 AD

Question 5

dendrocilmatology

Answer 5

tree rings

Question 6

palynology

Answer 6

pollen

Question 7

geomorphology

Answer 7

landforms

Question 8

limnology

Answer 8

lake sediments

Question 9

name two things that are occurring with recent climate change

Answer 9

world is warming on average, but cooler in some areas

precipitation is increasing, but the subtropics are getting dryer

Question 10

name five climatic variables

Answer 10

temperature, precipitation, humidity, wind speed, cloudiness

Question 11

Earth’s Axial tily

Answer 11

23.5 degrees

Question 12

What do we call long scale axial changes?

Answer 12

Milankovitch

Question 13

what do we call a change in the timing of seasons and how often does this occur

Answer 13

precession and about 20k years

Question 14

how often does the eccentricity of earth’s orbit change

Answer 14

100k years

Question 15

how often does axial tilt change

Answer 15

40k years

Question 16

how many milankovitchs must be in phase for a glacial/interglacial period to be in effect

Answer 16

at least 2

Question 17

why is the semi annual CO2 dominated by the NH

Answer 17

there are many forests on its higher amount of land mass

Question 18

what is the latitude heat imbalance

Answer 18

the move of energy from equator to poles. 60% through atmosphere and 40 % through ocean current

Question 19

DTR?

Answer 19

diurnal temperature range

Question 20

stefan-boltzman’s law

Answer 20

the sun is warmer than the earth and therefore it heats the earth

Question 21

wien’s law

Answer 21

the wavelength emission from the sun is shorter than the earth’s atmosphere

Question 22

kirchoff’s law

Answer 22

the sun is a blackbody and the earth is a grey body

-the sun emits at all wavelengths and the earth absorbs short and emits long

Question 23

earth’s atmosphere attenuates short wave radiation by

Answer 23

reflection, scattering, and absorpotion

Question 24

earth’s atmosphere attenuates long wave radiation by

Answer 24

absorption through greenhouse gases and clouds

Question 25

earth’s average albedo

Answer 25

30%

Question 26

latent heating

Answer 26

moist convection

Question 27

sensible heating

Answer 27

dry convection

Question 28

bowen ratio and what does it mean

Answer 28

it is used to use the energy budget equation to see if a climate is moist or dry - above one is dry below one is moist

Question 29

positive q means

Answer 29

temps moving from surface to air or soil

Question 30

where and when does the greatest evaporation rates occur?

Answer 30

over oceans east of continents during the winter