Lake Ontario

Lake Ontario is one of the five Great Lakes, located on the border between the United States and Canada. It is the smallest of the Great Lakes by surface area, but it is still a significant body of water, with a surface area of approximately 9,900 square miles, and a maximum depth of 802 feet, as measured by the National Oceanic and Atmospheric Administration (NOAA) and the United States Geological Survey (USGS). The lake is connected to the other Great Lakes by the Welland Canal, which allows ships to pass from Lake Erie to Lake Ontario, and then on to the Saint Lawrence River and the Atlantic Ocean, passing through the Sault Ste. Marie Canal and the Soo Locks. The lake is also home to several major cities, including Toronto, Rochester, New York, and Mississauga, which are part of the Golden Horseshoe region, and are connected by the Queen Elizabeth Way (QEW) and the Gardiner Expressway.

Geography

The geography of the lake is characterized by a long, narrow shape, with a maximum length of 193 miles and a maximum width of 53 miles, as measured by the United States Environmental Protection Agency (EPA) and the Canadian Hydrographic Service (CHS). The lake is bounded by the Ontario Peninsula to the north, and the New York State shoreline to the south, which includes the Finger Lakes region, and the Catskill Mountains. The lake's shoreline is approximately 712 miles long, and features several bays and inlets, including Toronto Bay, Rochester Harbor, and Sodus Bay, which are popular destinations for recreational boating and fishing, and are protected by the United States Coast Guard (USCG) and the Canadian Coast Guard (CCG). The lake's islands, including the Toronto Islands, Wolfe Island, and Howe Island, are also popular tourist destinations, and are connected to the mainland by the Toronto Island Ferry and the Wolfe Island Ferry.

Hydrology

The hydrology of the lake is complex, with several major rivers flowing into it, including the Niagara River, the Genesee River, and the Oswego River, which are part of the Great Lakes Basin and are monitored by the United States Army Corps of Engineers (USACE) and the International Joint Commission (IJC). The lake's outflow is through the Saint Lawrence River, which connects it to the Atlantic Ocean, and is regulated by the Saint Lawrence Seaway, which is operated by the Saint Lawrence Seaway Development Corporation (SLSDC) and the Great Lakes St. Lawrence Seaway System (GLSS). The lake's water level is regulated by the International Joint Commission (IJC), which is responsible for managing the water levels of the Great Lakes, and is assisted by the National Weather Service (NWS) and the Environment and Climate Change Canada (ECCC). The lake's water quality is also monitored by the United States Environmental Protection Agency (EPA) and the Ontario Ministry of the Environment, Conservation and Parks (MECP), which work together to protect the lake's ecosystem, and are supported by the Great Lakes Observing System (GLOS) and the Cooperative Institute for Great Lakes Research (CIGLR).

History

The history of the lake dates back thousands of years, with evidence of human habitation in the region dating back to the Paleoindian period, as discovered by archaeologists from the University of Toronto and the Rochester Museum and Science Center. The lake was an important transportation route for the Iroquois Confederacy and the Haudenosaunee, who used it to trade and travel, and were later joined by European explorers, including Étienne Brûlé and Samuel de Champlain, who worked for the French East India Company and the British East India Company. The lake played a significant role in the War of 1812, with several battles taking place on its shores, including the Battle of York and the Battle of the Lake Erie, which were fought between the United States Navy and the Royal Navy, and were supported by the United States Army and the British Army. The lake has also been an important source of fishing and shipping for centuries, with the Great Lakes fishing industry and the Saint Lawrence Seaway playing critical roles in the regional economy, and are supported by the National Oceanic and Atmospheric Administration (NOAA) and the Fisheries and Oceans Canada (DFO).

Ecology

The ecology of the lake is diverse, with a wide range of plant and animal species, including fish, birds, and mammals, which are protected by the Endangered Species Act (ESA) and the Species at Risk Act (SARA). The lake's ecosystem is supported by a variety of phytoplankton and zooplankton, which are monitored by the United States Environmental Protection Agency (EPA) and the Ontario Ministry of the Environment, Conservation and Parks (MECP), and are affected by climate change, as studied by the Intergovernmental Panel on Climate Change (IPCC) and the National Oceanic and Atmospheric Administration (NOAA). The lake is also home to several invasive species, including the zebra mussel and the sea lamprey, which are controlled by the Great Lakes Fishery Commission (GLFC) and the Ontario Federation of Anglers and Hunters (OFAH). The lake's water quality is affected by pollution from agricultural runoff and sewage, which are regulated by the Clean Water Act (CWA) and the Federal Water Pollution Control Act (FWPCA), and are monitored by the United States Environmental Protection Agency (EPA) and the Environment and Climate Change Canada (ECCC).

Economy

The economy of the lake is significant, with several major industries, including shipping, fishing, and tourism, which are supported by the Saint Lawrence Seaway Development Corporation (SLSDC) and the Great Lakes St. Lawrence Seaway System (GLSS). The lake is an important transportation route for goods, including grain, coal, and iron ore, which are shipped through the Port of Toronto and the Port of Rochester, and are monitored by the United States Coast Guard (USCG) and the Canadian Coast Guard (CCG). The lake's fishing industry is also significant, with several commercial and recreational fisheries, including the Great Lakes fishing industry, which is regulated by the Fisheries and Oceans Canada (DFO) and the National Oceanic and Atmospheric Administration (NOAA). The lake's tourism industry is also important, with several popular destinations, including Toronto, Rochester, New York, and the Thousand Islands, which are connected by the Queen Elizabeth Way (QEW) and the Gardiner Expressway, and are supported by the Ontario Tourism Marketing Partnership Corporation (OTMPC) and the New York State Tourism Industry Association (NYSTIA).

Category:Lakes of North America