Bed Load 1 : (1) The sediment that moves by sliding, rolling, or bounding on or very near the streambed. (2) The sediment moved mainly by tractive or gravitational forces or both, but at velocities less than the surrounding flow
British Columbia Ministry of Forests and Range, Acronyms and Initialisms for Forestry Terms in British Columbia, Canada 2008. http://www.for.gov.bc.ca/hfd/library/documents/acr onyms/ & http://www.for.gov.bc.ca/hfd/library/documents/glo ssary/Glossary.pdf, (For Fr - Canad) {16}