Transcript Surface Water Systems

Surface Water Systems
L.E.Q. What are the characteristics of
the different fresh water systems?
Fresh Water Systems
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River Systems
Watersheds
Ponds
Lakes
Wetlands
Review: River Systems
 Starts as run-off from mountains which
forms small streams and creeks (tributaries)
 Small streams and creeks flow into a larger
river and then to a drainage basin, known as
a watershed
Watersheds
 Land area that
supplies water to a
river system
 Watersheds are
usually separated by
an area of higher
elevation
– Rocky Mtns. are known
as the great divide.
Questions
 Answer the following questions in
complete sentences in your notebook.
These and the following questions will be
your test grade for this unit.
1. What is a watershed?
2. What divides watersheds?
Ponds
 Forms when water collects in low-lying land
areas.
 Ponds are shallow
– Allows light to reach the bottom
– Allows for plant life and algae to grow at the
bottom.
– Can dry up during the dry season…Do not have
to exist year round!
Questions
 Answer the following questions in
complete sentences in your notebook.
These and the following questions will be
your test grade for this unit.
3. How do ponds form?
4. What are three characteristics of
ponds?
Lakes
 Formation
– Form in low lying areas
– Form when Earth’s crust is separating
– Form from damming a river.
 How are lakes different than ponds?
– Lakes are generally larger and deeper.
– Light can not reach the bottom of a lake
 No plant life or algae in a lake’s depths.
Questions
 Answer the following questions in
complete sentences in your notebook.
These and the following questions will be
your test grade for this unit.
5. How do lakes form?
6. How are lakes different than ponds?
Wetlands
 Land area covered with water.
 Freshwater wetlands
– Bogs
 Common in cool northern areas
 Tend to be acidic waters low in nitrogen (carniverous plants)
– Marsh
 Grassy area covered by streams or shallow water.
– Swamp
 Located in warm, humid climates
 Looks like forest under water!
 IMPORTANT: HELPS CONTROL FLOODS!
Questions
 Answer the following questions in
complete sentences in your notebook.
These and the following questions will be
your test grade for this unit.
7. What are wetlands?
8. What are three types of wetlands?
Final Questions
 Answer the following questions in
complete sentences in your notebook.
These and the following questions will be
your test grade for this unit.
1. Name and describe the five types of
fresh water systems we talked about.
2. Describe the three different types of
wetlands.
What's Next?: Ocean Systems
 Continental Shelf
– Intertidal Zone
 Continental Slope
– Neritic Zone
 Abyssal Plain
– Open Ocean