Water Basins
Our water basin
What is the Ohio River Basin?
Topography refers to the _________ of the land
What is elevation?
Release oxygen into the air
What are trees/plants?
What is DO?
Organisms use DO for this process
What is aerobic cell respiration?
The land area from which surface water drains
What is a watershed?
The direction that streams flow
What is downhill?
Anchor soil in place and why this is helpful
What are roots of plants and reduces erosion?
Source of turbidity from a farm
What is erosion of soil?
3 ways DO enters a stream
What are riffles, diffusion, photosynthesis?
Our water flow chart
What is Oil Creek--->Allegheny River--->Ohio River--->Mississippi River--->Gulf of Mexico/Atlantic Ocean?
Connects points of the same elevation
What is a contour line?
Leaky septic systems and manure
What are sources of nitrates?
2 sources of overgrowth of algae and plants in a stream?
What is fertilizer runoff, leaky septic systems, manure?
Causes overgrowth of algae and water plants
What are nitrates?
Name the 5 water basins in PA
What are the Delaware River Basin, Ohio River Basin, Great Lakes Basin, Susquehanna River Basin, and Potomac River Basin?
Shows the elevation every 5th line
What is an index contour line?
Rocks in the ground provide these chemical components of water that we measure
These are put around construction sites to prevent soil from leaving the site
What are silt fences?
Buffers a low pH in a stream
What is alkalinity?
This separates the U.S. water basins that drain into the Pacific Ocean from those that drain into the Atlantic Ocean
What is the Continental Divide?
State the rule of the Vs
What is when contour lines cross a stream they form a V whose tip points upstream (uphill)?
This is put directly into streams or is put around stream banks to raise pH
What is limestone?
This is a problem associated with mining activities that affects pH
What is acid mine drainage?
Relationship between fertilizer runoff and DO