Laserfiche WebLink
<br />1981, two runs were made on each of the five plots. The first run on each <br />plot was made on dry soil. The second run was made after the water in the <br />soil had become distributed in the soil profile. In October 1981, another <br />run was made on each plot to determine the effects of cooler weather, if <br />any. During June, July, and August 1982, another run was made on each plot <br />to verify previous findings, and to determine the effects of different rain- <br />fall rates. In October 1982, runs w~re made on plots 1 and 3 to observe <br />runoff during the fall again. <br /> <br />Soil samples were taken before and after each run to determine soil <br />moisture and bulk density; statistical summary of bulk density data is <br />shown in table 1. Rainfall was measured during the run, using numerous <br /> <br />storage gages within each plot (usually about 15) and two tipping-bucket <br />rain gages (0.01 in per tip), recorded at 1-min intervals. During the run, <br />staff gage readings were made each minute to compare with recorded stage <br />measurements. Periodic volumetric measurements of outflow were made to <br />verify discharge ratings. Samples of the outflow were taken to determine <br />sediment concentration. <br /> <br />8 <br />