Background for modelling

Question 1

What is net radiation ?

Answer 1

Radiation that comes form the sun

Question 2

What effects net radiation ?

Answer 2

cloud cover

Question 3

what wave type os absorbed by the earths surface ?

Answer 3

short wave radiation

Question 4

what wave type is released by the earths surface ?

Answer 4

long wave radiation

Question 5

whats sensible heat flux ?

Answer 5

Heat you can feel

Question 6

Whats latent heat flux?

Answer 6

heat doing work- solids to liquids

Question 7

what is evapotranspiration?

Answer 7

process of water going from the soil to roots to stems to leaves and stomata

Question 8

what dictates the amount of surface water run off?

Answer 8

the saturation of the ground

Question 9

whats carbon flux?

Answer 9

the transport of carbon from the atmosphere into the environment ( plants) via photosynthesis

Question 10

what happens to carbon in a drought?

Answer 10

it goes back into the atmosphere as the plants die

Question 11

what are closely coupled when heat changes ?

Answer 11

water and carbon fluxes

Question 12

what does GPP stand for ?

Answer 12

Gross primary production

Question 13

what is GPP?

Answer 13

Total c fixed by plants through photosynthesis

Question 14

what does NPP stand for?

Answer 14

Net primary productivity

Question 15

What is NPP?

Answer 15

GPP- autotrophic respiration from the plants

Question 16

what does NEE stand for?

Answer 16

Net Ecosystem exchange

Question 17

What is NEE?

Answer 17

NPP- heterotrophic respiration from roots and trunks and fungi in surroundings

Question 18

What does NBP stand for?

Answer 18

Net Biome Exchange

Question 19

What is NBP?

Answer 19

NPP- loss due to disruption - fires

Question 20

what must you take into consideration when trying to measure fluxes across and area?

Answer 20

seasonality, land heterogeneity and spacial variably

Question 21

whats licor?

Answer 21

small automated chamber that sits on top of a small area and measure gas exchanges before releasing

Question 22

whats a large static chamber?

Answer 22

measures light response curve- progressively cover and measure respiration and growth of plants under

Question 23

whats branch bag etc?

Answer 23

cover a branch before it has leaves and continue til the leaves fall off

Question 24

when is eddy flux used ?

Answer 24

to measure over large areas

Question 25

what is in an eddy flux?

Answer 25

a sonic anemometer , measures 10,000 x a second

Question 26

what does CASS stand for ?

Answer 26

carbon accounting simulation system