Surfrider Foundation A-Z: The Letter 'S'

The Letter 'S':

Sea Lions and Domoic Acid
Sediment: Solid particles of organic or inorganic material that come from the weathering of rock and are carried and deposited by wind, water or ice.
Sediment, Contaminated
Sediment Load: Solid particles produced by weathering and transported through a channel by stream flow. The sediment load may be divided into two components: that which is suspended within the water column, suspended sediment, and that which is moved along the bed of a channel, bedload.
Sewer Systems and Sewage Treatment
Sewage Treatment Flow
Seawalls Harm the Beach and Reduce Beach Access
Sheetflow: Runoff that flows over the ground surface in a diffuse manner, not concentrated in a channel.
Special Places and Marine Protected Areas
Stream: A feature formed by flowing water, concentrated in a channel or bed, as a brook, rivulet, or small river.
Stream Terrace: Remnant floodplain features adjacent to a stream or river, where the stream has changed in its course and/or elevation, and has created a new active floodplain.