Problem 1. The volume of Lake Superior is about 12,100 km3. The concentration of DDT (a pesticide) in the lake is about 10 pg/m3. How much DDT is there total (in grams)? Side note: one of the most famous shipwrecks in Lake Superior was that of the SS Edmund Fitzgerald, a freighter that sank during a storm on Nov. 10, 1975, killing the crew of 29. Bonus: If the volume of water of Lake Superior was spread over the entire USA (lower 48 states). How deep would the water be (in feet)?
Problem 1. The volume of Lake Superior is about 12,100 km3. The concentration of DDT (a pesticide) in the lake is about 10 pg/m3. How much DDT is there total (in grams)? Side note: one of the most famous shipwrecks in Lake Superior was that of the SS Edmund Fitzgerald, a freighter that sank during a storm on Nov. 10, 1975, killing the crew of 29.
Bonus: If the volume of water of Lake Superior was spread over the entire USA (lower 48 states). How deep would the water be (in feet)?
Problem 2. A stream flowing at 60 gallons per minute caries a sediment load of 2000 mg/L. What is the sediment load in kilograms/day? Answer = 655 kg/d.
Given data
volume of Lake Superior = 12,100 km3
concentration of DDT =10 pg/m3
Find
1) How much DDT is there total (in grams)
2) depth of lake superior water over lower 48 rates of USA in feet
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