Chapter 8 Flashcards
Any diving environment that does not allow direct vertical access to the surface
Overhead environement
Whenever you dive in a new area you need
An orientation to the site
The easiest and best diving available is usually from
Boats
Underwater terrain at a dive site is usually
An extension of the shoreline
Three typical types of bottom condition
Mud, silt, clay
Water visibility is affected by
Locale, season, weather, bottom composition, and water movement
Lack of visual references underwater can cause
Disorientation
Area where waves are breaking as water gets shallower
Surf zone
Water movement because of what can also affect visibility
Tides
Three categories of current
Standing, tidal, transitory
Should begin your dive in a current by
Swimming into it