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Hydrology in smaller drainage basins is governed by the degree of urbanization and impermeable, high-runoff surfaces. In the Don River Watershed in the Lake Ontario basin, urbanization of 15 percent of in 1950 is predicted to become 91 percent in 2021. [77] Average annual flows in the Don River have increased by 0.44% per year since the early ...
Storm drain grate on a street in Warsaw, Poland Storm drain with its pipe visible beneath it due to construction work. A storm drain, storm sewer (United Kingdom, U.S. and Canada), highway drain [1], surface water drain/sewer (United Kingdom), or stormwater drain (Australia and New Zealand) is infrastructure designed to drain excess rain and ground water from impervious surfaces such as paved ...
For other ships with the same name, see HMS Ontario. HMS Ontario was a British warship that sank in a storm in Lake Ontario on 31 October 1780, during the American Revolutionary War. [2] She was a 22-gun snow, and, at 80 feet (24 m) in length, the largest British warship on the Great Lakes at the time. [2] The shipwreck was discovered in 2008.
The Holland Marsh is a wetland and agricultural area in Ontario, Canada, about 50 kilometres (31 mi) north of Toronto. [1] It lies entirely within the valley of the Holland River, stretching from the northern edge of the Oak Ridges Moraine near Schomberg to the river mouth at Cook's Bay, Lake Simcoe. In its entirety it comprises about 21,000 ...
Lake Nipigon. 1 Shore length is not a well-defined measure. Lake Nipigon (/ ˈnɪpɪɡɒn / NIP-ih-gon; French: lac Nipigon; Ojibwe: Animbiigoo-zaaga'igan) is part of the Great Lakes drainage basin. It is the largest lake entirely within the boundaries of the Canadian province of Ontario.
1 Shore length is not a well-defined measure. Map of Lake Huron and the other Great Lakes. Lake Huron (/ ˈhjʊərɒn, - ən / HURE-on, -ən) is one of the five Great Lakes of North America. It is shared on the north and east by the Canadian province of Ontario and on the south and west by the U.S. state of Michigan.
Stormwater, also written storm water, is water that originates from precipitation (storm), including heavy rain and meltwater from hail and snow. Stormwater can soak into the soil (infiltrate) and become groundwater, be stored on depressed land surface in ponds and puddles, evaporate back into the atmosphere, or contribute to surface runoff.
The Southern Ontario tornado outbreak of 2005 was a series of thunderstorms on the afternoon of August 19, 2005, that spawned tornadoes damaging homes in the Conestoga Lake, Fergus, and Tavistock areas. A tornado was reported within the Toronto city limits, although this was never officially confirmed by the Meteorological Service of Canada.