Div
ing E
nvir
onm
ent
Unit 8: Diving Environment
Physical Characteristics of a Site.
Entries and Exits.
Water Conditions.
Visibility.
Moving Water and its Effects
Marine Life.
Conservation.
Diver Impacts.
Hunting.
Collecting.
Exploring Wrecks.
Cleaning Up the Environment.
Boat Diving.
Popular Diving Areas.
Div
ing E
nvir
onm
ent
• State some of the characteristics of dive sites.• Describe types of water movements and how they
affect your dive.• Describe the different categories of hazardous
marine life and how to avoid situations with them.• Describe how you can make a positive impact on
the environment.• Name some of the popular diving areas
throughout the world.
Student Performance: By the end of the lesson students will be able to:
Div
ing E
nvir
onm
ent
Physical Characteristics of a SiteThe characteristics of a site will dictate how you enter and exit the water as well as how you dive.
Type of sites:
Div
ing E
nvir
onm
ent
Entries and ExitsThe easiest diving is usually from boats, and in many situations, boat diving offers some of the best diving.
Bottom Conditions:
Div
ing E
nvir
onm
ent
Water ConditionsTemperature and visibility are probably the two most important factors in determining the ease and comfort of your dive.
Visibility: Temperature:
Div
ing E
nvir
onm
ent
Review on Water ConditionsWhat have you learned so far?
Describe a thermocline. List four items that affect visibility. Describe what diving in no visibility can cause.
Div
ing E
nvir
onm
ent
Moving Water and it’s EffectsUnderstanding what sets water into motion, how the water moves, and how to function effectively in moving water.
Waves and Surf: Tides: Currents:
Div
ing E
nvir
onm
ent
Review on Water MovementWhat have you learned so far?
List three causes of water movement.
Explain how to escape from a rip current.
Describe which direction you from a anchored boat in current.
List the two causes of tides.
Div
ing E
nvir
onm
ent
Marine LifeThe many different types of life in the underwater world make diving interesting.
Animals that bite. Animals with barbs. Animals that sting and scrape. Animals that shock.
Div
ing E
nvir
onm
ent
Review on Marine lifeWhat have you learned so far?
State which type of action from an animal results in injury to a diver.
Describe what sea urchins are an example of. Describe what jellyfish are an example of.
Div
ing E
nvir
onm
ent
ConservationAs a diver, you can have a profound effect on the underwater world.
Negative impacts: Positive impacts: Hunting:
Div
ing E
nvir
onm
ent
Conservation continuedAs a diver, you can have a profound effect on the underwater world.
Collecting: Exploring wrecks: Cleaning up the environment:
Div
ing E
nvir
onm
ent
Review on ConservationWhat have you learned so far?
List two things that can damage coral. Describe the only type of shell that you should collect. Name the animal that mistakes plastic for jellyfish.
Div
ing E
nvir
onm
ent
Boat DivingMany of the best diving sites in the world are in remote locations and can be reached only by boat.
Procedures: Commercial charter boats: Small boats: Trail line:
Div
ing E
nvir
onm
ent
Popular Dive AreasMost divers want to travel to other areas and experience new and different dive sites.
California Cozumel Gulf coast of Louisiana and
Texas Great Lakes Florida Keys Aquariums
Div
ing E
nvir
onm
ent
Diving Environment End of
Unit 8: Physical Characteristics of a
Site.
Entries and Exits.
Water Conditions.
Visibility.
Moving Water and its Effects
Marine Life.
Conservation.
Div
ing E
nvir
onm
ent
Diving Environment End of Unit 8:
continued Diver Impacts.
Hunting.
Collecting.
Exploring Wrecks.
Cleaning Up the Environment.
Boat Diving.
Popular Diving Areas.
Div
ing E
nvir
onm
ent
• State some of the characteristics of dive sites.• Describe types of water movements and how they
affect your dive.• Describe the different categories of marine life
and how to avoid situations with them.• Describe how you can make a positive impact on
the environment.• Name some of the popular diving areas
throughout the world.
Student Performance: By the end of the lesson students will be able to:
Top Related