- 産業: Government
- Number of terms: 15655
- Number of blossaries: 0
- Company Profile:
A U.S. Department of the Interior agency that oversees water resource management incuding the oversight and operation of numerous diversion, delivery, and storage projects the agency has built throughout the western United States for irrigation, water supply, and attendant hydroelectric power ...
An instrument which measures pressure head or hydraulic pressures in a conduit or hydraulic pressures within the fill of an earth dam or the abutment; at the foundation because of seepage or soil compression; or on a flow surface of a spillway, gate, or valve.
Industry:Engineering
A membrane or sheet or thin zone or facing, made of a flexible impervious material such as asphaltic concrete, plastic concrete, steel, wood, copper, plastic, etc. A cutoff wall or core wall, if thin and flexible, is sometimes referred to as a "diaphragm wall."
Industry:Engineering
A membrane or sheet or thin zone or facing, made of a flexible impervious material such as asphaltic concrete, plastic concrete, steel, wood, copper, plastic, etc. A cutoff wall or core wall, if thin and flexible, is sometimes referred to as a "diaphragm wall."
Industry:Engineering
Paleoflood data include two broad categories: fluvial geomorphic evidence and botanical evidence. Paleoflood data are distinguished from both historical and systematic (conventional) flood data by lack of human observation, regardless of the time of occurrence.
Industry:Engineering
A machine for generating rotary mechanical power from the energy of a stream of fluid (such as water, steam, or hot gas). Turbines convert the kinetic energy of fluids to mechanical energy through the principles of impulse and reaction, or a mixture of the two.
Industry:Engineering
The flood having a one percent chance of being equalled or exceeded in any given year. This term is used in the National Flood Insurance Program (NFIP) to indicate the minimum level of flooding to be used by a community in its flood plain management regulations.
Industry:Engineering
The maximum quantity of water that can be guaranteed with some specified degree of confidence during a specific critical period. The critical period is that period in a sequential record that requires the largest volume from storage to provide a specified yield.
Industry:Engineering
Similar to a ring follower gate except the gate leaf is supported along either side by endless trains of rollers. The gate seals by the rollers disengaging from support of the leaf when the gate is completely closed, allowing hydrostatic forces to seal the gate.
Industry:Engineering
Exposed surface of dam materials (earth, rockfill, or concrete), upstream and downstream. The external surface which limits the structure, see neatlines. The more or less vertical surface of rock exposed by blasting or excavating. The cutting end of a drill hole.
Industry:Engineering
The process by which a municipal entity assumes responsibility for supplying utility service to its constituents. In supplying electricity, the municipality may generate and distribute the power or purchase wholesale power from other generators and distribute it.
Industry:Engineering
