Water quantity
Water quantity is the timing and total yield of water from a watershed, and is measured by total yield and peak flow over a specified period of time (Neary 2002).
Sources
Neary DG. 2002. Hydrologic values. In: Richardson J, Bjorheden R, Hakkila P, Lowe AT, Smith CT, eds. Bioenergy from Sustainable Forestry: Guiding Principles and Practice. Dordrecht, The Netherlands: Kluwer Academic Publishers: 190-215.