The effect of a dam and its reservoir on flow regimes depends on both the storage capacity of the reservoir relative to the volume of river flow and the way the dam is operated. The most common attribute of flow regulation is a decrease in the magnitude of flood peaks and an increase in low flows.
Comcast Holdings Corp. was formerly known as Comcast Corporation and changed its name to Comcast Holdings Corp. in November, 2002. The company was incorporated in 1969 and is based in Philadelphia, Pennsylvania. Comcast Holdings Corp. operates as a subsidiary of Comcast Corporation.
Comcast owns popular film studio Universal Studios Inc; it is considered one of Hollywood's Big 6 film studios along with Warner Bros. Entertainment, The Walt Disney Studios, Sony Pictures Motion Picture Group, Fox Filmed Entertainment, and Paramount Motion Pictures Group.