The definitions set forth in this section apply throughout this chapter unless the context clearly requires otherwise.
(1) "Commission" means the state parks and recreation commission.
(2) "Participating local government" means the legislative authority of any city or county, a portion of whose territorial jurisdiction is bounded by or includes a river or river segment of the state's scenic river system.
(3) "River" means a flowing body of water or a section, segment, or portion thereof.
(4) "River area" means a river and the land area in its immediate environs as established by the participating agencies not exceeding a width of one-quarter mile landward from the streamway on either side of the river.
(5) "Scenic easement" means the negotiated right to control the use of land, including the air space above the land, for the purpose of protecting the scenic view throughout the visual corridor.
(6) "Streamway" means that stream-dependent corridor of single or multiple, wet or dry, channel or channels within which the usual seasonal or stormwater runoff peaks are contained, and within which environment the flora, fauna, soil, and topography is dependent on or influenced by the height and velocity of the fluctuating river currents.
(7) "System" means all the rivers and river areas in the state designated by the legislature for inclusion as scenic rivers but does not include tributaries of a designated river unless specifically included by the legislature. The inclusion of a river in the system does not mean that other rivers or tributaries in a drainage basin shall be required to be part of the management program developed for the system unless the rivers and tributaries within the drainage basin are specifically designated for inclusion by the legislature.
(8) "Visual corridor" means that area which can be seen in a normal summer month by a person of normal vision walking either bank of a river included in the system. The visual corridor shall not exceed the river area.