Daily Photosynthetically Active Radiation (PAR) now available for Puerto Rico


Daily photosynthetically active radiation (PAR) is now available for Puerto Rico. PAR is estimated from net radiation using a regression equation developed in Florida (pre-fire equation, Sumner, 2001). Click here to access images and data
Relation between daily values of measured net radiation and photosynthetically active radiation (from Sumner, 2001).

Other daily hydro-climate variables for Puerto Rico

Sumner, D. M., 2001. Evapotranspiration from a cypress and pine forest subjected to natural fires in Volusia County, Florida, 1998-99. U. S. Geological Survey Water-Resources Investigations Report 01-4245. Washington, D.C.: U.S. Geological Survey.


Course offerings this semester at UPRM: Farm Irrigation and Agroclimatology (TMAG)

I will be offering the following two courses this semester at UPR-Mayaguez. Please click the following links for the course fliers.

TMAG 5017 Agroclimatology

TMAG 4019 Farm Drainage and Irrigation Systems

Please feel free to contact me if you would like additional information about either course.

Eric Harmsen, Professor
University of Puerto Rico
Dept. of Agricultural and Biosystems Engineering
Mayaguez, Puerto Rico 00681
email: harmsen1000@hotmail.com, eric.harmsen@upr.edu
phone: 787-955-5102
websites: http://pragwater.com , http://bahai.org