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Environmental Biophysics Lectures

During a recent semester at Washington State University, a film crew recorded all of the lectures given in the Environmental Biophysics course. The videos from each Environmental Biophysics lecture are posted here for your viewing and educational pleasure.


Lecture 1 – Introduction to Environmental Biophysics

Lecture 2 – Units of measurement, unit conversion, temperature in the environment

Lecture 3 – Empirical models of air and soil temperature

Lecture 4 – Measuring air temperature – methods, sensors, and sources of error

Lecture 5 – Temperature and biological development, water vapor and other gases

Lecture 6 – Measuring water vapor in the atmosphere – vapor pressure, relative humidity, vapor deficit

Lecture 7 – Methods for measuring atmospheric humidity

Lecture 8 – Wrap up for atmospheric water vapor section

Lecture 9 – Introduction to water potential

Lecture 10 – Water potential along soil-plant-atmosphere continuum – review of water potential instruments.

Lecture 11 – Water potential wrap up. Beginning of section on wind.

Lecture 12 – Wind – calculating vertical wind speed profiles

Lecture 13 – Instruments for measuring wind speed and direction

Lecture 14 – Introduction to conductances

Lecture 15 – Conductances continued – convective heat transfer and boundary layer considerations

Lecture 16 – Conductances continued – series vs. parallel conductances, latent heat flux example

Lecture 17 – The four conductances—molecular diffusion, forced convection, free convection, and turbulent transport or eddy diffusion

Lecture 18 – An introduction to water vapor flux

Lecture 19 – Supplementary problems

Lecture 21 – Thermal properties of soils

Lecture 22- Soil heat flux, supplementary problems

Lecture 23 –  Introduction to radiation

Lecture 24 – Radiation and emittance

Lecture 25 – Radiation fluxes and calculating zenith angle

Lecture 26 – Measuring shortwave radiation

Lecture 27 – Determining energy balance in plants

Lecture 28 – Determining energy balance in plants continued

Lecture 29 – Calculating net radiation and thermal radiation

Lecture 30 – View factors as they pertain to net radiation

Lecture 31 – Calculating total radiation and leaf transpiration

Lecture 32 – Calculating leaf energy budget

Lecture 33 – Canopy evaporation as latent heat flux

Lecture 34 – Canopy evaporation as latent heat flux continued

Lecture 35 – Light in the plant canopy

Lecture 36 – Light in the plant canopy, continued, and an introduction to extinction coefficients

Lecture 37 – Animal energy balance

Lecture 38 – Analysis of wave dependence, reflectance, NDVI and PRI

Lecture 39 – Cutaneous latent heat loss and conductance through animal coats

Lecture 40 – Humans and their environment


The primary text used throughout the Environmental Biophysics class is “An Introduction to Environmental Biophysics” by Gaylon Campbell and John Norman.

Environmental Biophysics textbook

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