Acre Foot: a unit of volume equal to the volume of a sheet of water one acre (0.405 hectare) in area and one foot (30.48 cm) in depth; 43,560 cubic feet (1233.5 cu m)
Bathymetry: the measurement of the depths of oceans, seas, or other large bodies of water.
Catastrophic Fire: are wildfires that cover more than 100,000 acres of contiguous forestland during the course of a single event.
Erosion: the wearing away of rocks and other deposits on the earth's surface by the action of water, ice, wind, etc.
Prescribed Burn: a vegetative management tool that is used to maintain fire dependent ecosystems and restore those outside their natural balance. Generally, low intensity prescribed fire, is applied by trained experts to clear ground of dangerous fuels like dead wood and brush.
Telemetry: any of certain devices or attachments for determining distances by measuring the angle subtending a known distance.
Watershed: the region or area drained by a river, stream, etc.; drainage area.
Water Treatment: the act or process of making water more potable or useful as by purifying, clarifying, softening or deodorizing it.