What is the mean discharge of the Mississippi River?
Since the freak conditions of 1927, the mean discharge of water into the lower Mississippi by its major tributaries has been carefully monitored. The mean discharge of the main river at Vicksburg, Mississippi, is calculated at 570,000 cubic feet (16,140 cubic metres) per second.
How long does it take a drop of water to travel the Mississippi River?
It takes 90 days for a single drop of water to travel the Mississippi River’s entire length. From its source, Lake Itasca, to its end, the Gulf of Mexico, the Mississippi River drops 1,475 feet.
How many species of mussels are in the Mississippi River?
From Cairo, IL upstream to Lake Itasca there are 38 documented species of mussel. On the Lower Mississippi, there may be as many as 60 separate species of mussel; The Upper Mississippi is host to more than 50 mammal species; At least 145 species of amphibians and reptiles inhabit the Upper Mississippi River environs.
What are the environmental problems of the Mississippi River?
Since the 20th century, the Mississippi River has also experienced major pollution and environmental problems – most notably elevated nutrient and chemical levels from agricultural runoff, the primary contributor to the Gulf of Mexico dead zone.
Where does the Mississippi River start and end?
Lake Itasca, Itasca State Park, northwestern Minnesota. Where does the Mississippi River start and end? The Mississippi River rises in Lake Itasca in Minnesota and ends in the Gulf of Mexico. It covers a total distance of 2,340 miles (3,766 km) from its source. The Mississippi River is the longest river of North America.
How many miles is the Mississippi River in Wisconsin?
Wisconsin and four other states comanage the Upper Mississippi River, which includes about 1,250 miles (2,012 km) of the Mississippi’s length.