Notes: Prices are in nominal dollars. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components. Through 2001, electric power price data are for regulated electric utilities only; beginning in 2002, data also include nonregulated members of the electric power sector. Gas volumes delivered for use as vehicle fuel are included in the State annual totals through 2009 but not in the State monthly components.
Confidence votes 10. A drainage basin is naturally occurring drainage of land that channels precipitation and excess water to a river or stream. To read more visit the Related Link. <br /> A drainage basin is naturally occurring drainage of land that channels precipitation and excess water to a river or stream.
The Stream System. The fundamental unit of study for fluvial processes is the drainage basin or watershed. A drainage basin is a portion of the Earth's surface that contains a main stream and its tributaries and is bounded by a drainage divide.he Stream System. The fundamental unit of study for fluvial processes is the drainage basin or watershed. A drainage basin is a portion of the Earth's surface that contains a main stream and its tributaries and is bounded by a drainage divide.