Beschreibung:
<jats:title>Summary</jats:title><jats:p>Rainfall was measured at an open site and under spruce, pine, and heather. Between 50 and 60 per cent. of the rain penetrated each of the canopies. Variations in the percentage penetration are associated with the area of foliage to be wetted and with the aggregate amount and the intensity of the rainfall.</jats:p>