Delta-T Devices SunScan SS1 User Manual page 4

LAI theory
Ingredients of the LAI computation method
Derivation of Wood's SunScan canopy analysis equations
Functions used to model canopy transmission
Scientific references
Technical Reference
Maintenance
Specifications
4  Contents
Above-canopy reference requirements
Direct and Diffuse components
Canopy type and BF5 practicalities
Canopy type and LAI estimates
Canopy sampling volume
Preferred light and weather conditions
Planning for the sun's position
Advice on Absorption and ELADP values
SunScan Measurement modes
Measurement procedures in the field
Theory versus reality
The major assumptions
Beer's law for canopy absorption
Campbell's Ellipsoidal LAD equations.
Transmission of Diffuse Light
Modelling the canopy transmission
Accuracy of LAI calculations
Diffuse light - cosine response sensor
Diffuse light - hemispherical response sensor.
Modelling incomplete PAR absorption and scattering
Calculating zenith angles
Summary
Batteries
Desiccant
Checking the PAR calibration
Troubleshooting
Problem Reports
SunScan Probe type SS1
Beam Fraction Sensor type BF5
Nomad PDA
SunScan Probe with Radio
SunScan Radio Module
SunScan to BF5 Cable
SunScan to BF5 Extension Cables
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SPN1 User Manual