Influence of Chaining Pinyon-Juniper on Net Radiation, Solar Radiation and Wind

Abstract

Net and solar radiation, and wind were measured during parts of 1968 and 1969 on a pinyon-juniper site in southwestern Utah. Treatments were chaining-with-debris windrowed, chaining-with-debris-in-place, and undisturbed woodland. Net radiation on the chain-windrow treatment and chain-debris treatment averaged 71 and 91%, respectively, of that measured on undisturbed woodland. Albedo values averaged 13 and 12% for the 2 years on woodland plots, 21 and 19% on the chain-windrow treatment, and 13 and 14% on the chain-debris treatment. Roughly 3 miles of wind (as measured at approximately mid-canopy height) occurred on the chained treatments for every 1 mile measured in the woodland.