What type of resources are most commonly shipped across the Great Lakes?
Every year, hundreds of millions of tons of commodities are shipped in the GLSLS. Commodities include iron ore, coal, limestone, cement, salt, sand, and grain, as well as chemicals, petroleum, finished products, and containerized cargo to a lesser extent.
What types of things are transported on a container ship?
Container cargo Toys, televisions, DVDs, clothing, meat and computers; containers are the best way to transport these and many similar products. By efficiently loading the goods, they can be transported simultaneously in large quantities. One twenty foot container can hold the shopping of 300 trolleys!
What are barges used for?
Put into its most basic terms, a barge is a boat (usually with a flat bottom) that is primarily used to transport goods through rivers and canals. While these boats can sometimes be self-propelled and move on their own, barges are almost always pulled by a tow or a tugboat.
What is shipped on Lake Michigan?
Michigan is the dominant producer of limestone aggregate which is transported by vessel to ports throughout the region. Farm Products – grown by farmers throughout the upper Midwest, wheat, sorghum, corn and soybeans are key cargoes being exported in bulk from Great Lakes-Seaway ports.
Is the water cold in Lake Michigan?
Lake Michigan water temperature today Water temperature in some cities of Lake Michigan is above 68°F and it is enough for comfortable bathing. The warmest water temperature in Lake Michigan today is 75.6°F (Green Bay), and the coldest temperature is 59°F (Ludington).
How warm does the water in Lake Michigan?
Average annual water temperature on the coast in Lake Michigan is 48°F, by the seasons: in winter 38°F, in spring 38°F, in summer 62°F, in autumn 54°F. Minimum water temperature (34°F) in Lake Michigan it happens in March, maximum (73°F) in July.
Why is Lake Michigan so warm?
To understand the data, and why the temperature in Lake Michigan fluctuates, Anderson said it’s important to know that it’s a dimictic lake, meaning it has a full thermal cycle, in tune with the seasons. In the summer, the water at the surface of the lake warms up as the air around it warms and the sun beats down.
Can you swim 60 degree water?
Generally, water cooler than 60 degrees Fahrenheit poses danger to swimmers who go for longer than two hours.
Is 60 degree water dangerous?
When water temperatures are between 60 and 70 degrees it becomes progressively more difficult to control your breathing. It becomes very dangerous in water temperatures between 50 and 60 degrees. You lose the ability to control breathing in this temperature range, according to the National Center for Cold Water Safety.