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)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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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.

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