2 Research Geologist, USDA Forest Service Pacific Southwest Research Station, Redwood Sciences Laboratory, 1700 Bayview Dr., Arcata, CA 95521 Abstract: Cumulative effects are the combined effects of multiple activities, and watershed effects are those which involve processes of water transport. Almost all impacts are influenced by multiple activities, so almost all impacts must be evaluated as ...

PRIMARY OBJECTIVE To examine the possibility that athletes with multiple concussions show cumulative effects of injury. METHODS AND PROCEDURES Amateur athletes with a history of three or more concussions were carefully matched (gender, age, education and sport) with athletes with no prior concussions. All completed a computerized neuropsychological test battery at preseason (ImPACT) and then ...

Given a positive integer n and a positive semidefinite matrix A = (Aij ) ∈ R m×m the positive semidefinite Grothendieck problem with rank-nconstraint is (SDPn) maximize m

Abstract I n this paper, the behavior of the real oil price and OPEC and non-OPEC oil production during 1973-2013 are modelled. Interactions among OPEC, non-OPEC oil production, global oil consumption, and the real price of crude oil are estimated using a Structural VAR model (SVAR). After providing evidence for the structural breaks in oil price in 1996, the results indicate that, ac...