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an area where all water drains into 1 body of water |
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rain that hits ground but dosen't sink right away |
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dirt is moved wind and water |
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a body of water where fresh and salt mix |
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water that empties into a larger body of water |
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prevents sediment from moving |
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man made pond to hold stormwater |
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3 purposes of retention pond |
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traps storm water, traps sediment, prevents stormwater from rushing into streams |
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Is the Chesapeake bay watershed 64,000 square miles? |
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Is it the biggest estuary? |
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What is the main river is it the jones falls? |
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Is the Chesapeake the biggest estuary? |
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Did a meteorite hit the ocean? |
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What does Chesapeake mean? |
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what exploer explored the Chesapeake? |
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How long is the Chesapeake bay watershed? |
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What are the Chesapeake bay watersheds boundaries? |
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What type of water is brackish water mixed with? |
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smoke stacks, and pipes from industries |
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point source pollution is easier or harder to regulate |
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non- point source pollution |
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fertillizers, pesticides, oil, trash, nutrients |
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is non-point easier or harder to regulate |
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Chemicals and water droplets mixed |
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smothers fish eggs and oyster bars |
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types of pollution in Ch. bay |
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A)acid rain B)fertillizer C)garbage d)sediment |
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Salinity is the amount of salt contained in a given sample of water. |
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Salinity is measured by ppt parts per thousand. |
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What is the range of the salinity in the bay? |
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The range is like 1-29 ppt. |
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What are the factors that effect salinity? |
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They are location, time of year, and depth of the water. |
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Wher are the lowest salinity levels in the bay? |
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They are in the upper rivers and shallow waters. |
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The salinity levels can determine what about organisms |
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The salinity in the bay at a given location to a large extent. |
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Is salt water heavier than fresh? |
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