Browsing Technical Bulletin by Author "Allen, Lee D."
Solar and Net Radiation At Palmer, Alaska 1960-71Branton, C. Ivan; Shaw, Robert H.; Allen, Lee D. (University of Alaska, Institute of Agricultural Sciences, 1972-06)Solar and net radiation received at Palmer, Alaska (61 ° 3 6 ’ N. lat., 1 49° 0 6 ’ W. long.) have been observed fo r m ore than ten years. On a yearly basis, the daily average incoming global short wave radiation has been 219.1 langleys, and net radiation has been 70.0 langleys. From May 3 thru August 1, net radiation averages 221 .2 langleys. This is 2.571 kilowatt hours per square meter, or 8 15 .2 Btu per square foot (English units). From November 1 thru January 3 0, net radiation is negative, showing an energy loss of 54.2 langleys per day. This is equivalent to 0.63 0 kilowatt hours per square meter or 199.8 Btu per square foot.
Time, Temperature, and Solar Energy Received By Crops at Palmer, AlaskaAllen, Lee D. (Agricultural Experiment Station, School of Agriculture and Land Resources Management, University of Alaska, 1978-07)