2.3 Flows If Energy Flashcards
1
Q
What percentage of light energy from sun is reflected and absorption respectfully
A
31 reflected
69 absorbed
2
Q
How is light energy from sunlight lost through reflection
A
Scatter 3%
Clouds 19%
Ground 9%
3
Q
How is light energy from sunlight lost through absorption
A
Molecules and dust in the air 17%
Clouds 3%
Ground 47%
4
Q
How many % of all solar energy hitting the earth is stored as biomass
A
1-4%
5
Q
Define biomass
A
Loving dry mass of organisms
6
Q
Define productivity
A
Rate of conversion of energy to biomass
7
Q
Gross productivity
A
Gain in biomass
8
Q
What is GPP
A
Energy captured to be converted to glucose
9
Q
What is NPP and formula
A
Rate of energy storage by plant (energy that will be consumed by consumer)
NPP = GPP - R
