courses/ESM473-573/lecture3.html

Resources for Lecture 3 on P vs. E curves, Excel models and fitting

Modeling - what is the goal?

theories of sciences

Equations for P vs. E

photosynthesis models

Poisson model

description

simulation

photoinhibition from multiple hits

Simulation

Excel sheet set up using "named cells"

Fitting

Blackman

Saturating hyperbola - reciprocal linearization

4 lines

steps - page

steps - excel

Assignment

New statement on grading

see data table below

1. draw a curve - put in the data - create a chart
   1. or use the imaginary data I have provided
2. fit with Blackman - alpha and Pmax
3. fit with sat hyperbola
4. fit with tanh (describe how you fit this)
5. fit with 4 lines

data table

Light (u mol photon m^-2 sec^-1)	P umol C * ug Chla^-1 * min
0	-2
20	-1
50	0.5
100	2
200	4
300	6
500	8
1000	9
1500	8
2000	7