Alberta Highway 48 South Sign

Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Territories (NWT) to the north, and the U.S. state of Montana to the south. It is one of the only two landlocked provinces in Canada (Saskatchewan being the other). The eastern part of the province is occupied by the Great Plains, while the western part borders the Rocky Mountains. The province has a predominantly continental climate but experiences quick temperature changes due to air aridity. Seasonal temperature swings are less pronounced in western Alberta due to occasional Chinook winds.

Alberta is the fourth largest province by area at , and the fourth most populous, being home to 4,262,635 people. Alberta's capital is Edmonton, while Calgary is its largest city. The two are Alberta's largest census metropolitan areas. More than half of Albertans live in either Edmonton or Calgary, which contributes to continuing the rivalry between the two cities. English is the official language of the province. In 2016, 76.0% of Albertans were anglophone, 1.8% were francophone and 22.2% were allophone.

Alberta's economy is based on hydrocarbons, petrochemical industries, livestock and agriculture. The oil and gas industry has been a pillar of Alberta's economy since 1947, when substantial oil deposits were discovered at Leduc No. 1 well. It has also become a part of the province's identity. Since Alberta is the province most rich in hydrocarbons, it provides 70% of the oil and natural gas exploited on Canadian soil. In 2018, Alberta's output was billion, 15.27% of Canada's GDP.

In the past, Alberta's political landscape hosted parties like the centre-left Liberals and the agrarian United Farmers of Alberta. Today, Alberta is generally perceived as a conservative province. The right-wing Social Credit Party held office continually from 1935 to 1971 before the centre-right Progressive Conservatives held office continually from 1971 to 2015, the latter being the longest unbroken run in government at the provincial or federal level in Canadian history.

Before becoming part of Canada, Alberta was home to several First Nations like Plain Indians and Woodland Cree. It was also a territory used by fur traders of the rival companies HBC and NWC. The Dominion of Canada bought the lands that would become Alberta as part of the NWT in 1870. From the late 1800s to early 1900s, many immigrants arrived to prevent the prairies from being annexed by the US. Growing wheat and cattle ranching also became very profitable. In 1905, the Alberta Act was passed, creating the province of Alberta. Massive oil reserves were discovered in 1947. The exploitation of oil sands began in 1967.

Alberta is renowned for its natural beauty, richness in fossils and for housing important nature reserves. Alberta is home to six UNESCO designated World Heritage Sites: The Canadian Rocky Mountain Parks, Dinosaur Provincial Park, the Head-Smashed-In Buffalo Jump, Waterton-Glacier International Peace Park, Wood Buffalo National Park and Writing-on-Stone Provincial Park. Other popular sites include Banff National Park, Elk Island National Park, Jasper National Park, Waterton Lakes National Park, and Drumheller.

Etymology

Alberta was named after Princess Louise Caroline Alberta (1848–1939), the fourth daughter of Queen Victoria. Princess Louise was the wife of John Campbell, Marquess of Lorne, Governor General of Canada (1878–83). Lake Louise and Mount Alberta were also named in her honour.

The name "Alberta" itself is a feminine Latinized form of Albert, the name of Princess Louise's father, the Prince Consort ( lat-med, Albertus, masculine) and its Germanic cognates, ultimately derived from the Proto-Germanic language ''*Aþalaberhtaz'' (compound of "noble" + "bright/famous").

Geography

Alberta, with an area of , is the fourth-largest province after Quebec, Ontario and British Columbia.

Alberta's southern border is the 49th parallel north, which separates it from the U.S. state of Montana. The 60th parallel north divides Alberta from the Northwest Territories. The 110th meridian west separates it from the province of Saskatchewan; while on the west its boundary with British Columbia follows the 120th meridian west south from the Northwest Territories at 60°N until it reaches the Continental Divide at the Rocky Mountains, and from that point follows the line of peaks marking the Continental Divide in a generally southeasterly direction until it reaches the Montana border at 49°N.

The province extends north to south and east to west at its maximum width. Its highest point is at the summit of Mount Columbia in the Rocky Mountains along the southwest border while its lowest point is on the Slave River in Wood Buffalo National Park in the northeast.

With the exception of the semi-arid climate of the steppe in the south-eastern section, the province has adequate water resources. There are numerous rivers and lakes in Alberta used for swimming, fishing and a range of water sports. There are three large lakes, Lake Claire () in Wood Buffalo National Park, Lesser Slave Lake (), and Lake Athabasca (), which lies in both Alberta and Saskatchewan. The longest river in the province is the Athabasca River, which travels from the Columbia Icefield in the Rocky Mountains to Lake Athabasca.

The largest river is the Peace River with an average flow of . The Peace River originates in the Rocky Mountains of northern British Columbia and flows through northern Alberta and into the Slave River, a tributary of the Mackenzie River.

Alberta's capital city, Edmonton, is located at about the geographic centre of the province. It is the most northerly major city in Canada and serves as a gateway and hub for resource development in northern Canada. With its proximity to Canada's largest oil fields, the region has most of western Canada's oil refinery capacity. Calgary is about south of Edmonton and north of Montana, surrounded by extensive ranching country. Almost 75% of the province's population lives in the Calgary–Edmonton Corridor. The land grant policy to the railways served as a means to populate the province in its early years.

Most of the northern half of the province is boreal forest, while the Rocky Mountains along the southwestern boundary are largely temperate coniferous forests of the Alberta Mountain forests and Alberta–British Columbia foothills forests. The southern quarter of the province is prairie, ranging from shortgrass prairie in the southeastern corner to mixed grass prairie in an arc to the west and north of it. The central aspen parkland region extending in a broad arc between the prairies and the forests, from Calgary, north to Edmonton, and then east to Lloydminster, contains the most fertile soil in the province and most of the population. Much of the unforested part of Alberta is given over either to grain or to dairy farming, with mixed farming more common in the north and centre, while ranching and irrigated agriculture predominate in the south.

The Alberta badlands are located in southeastern Alberta, where the Red Deer River crosses the flat prairie and farmland, and features deep canyons and striking landforms. Dinosaur Provincial Park, near Brooks, showcases the badlands terrain, desert flora, and remnants from Alberta's past when dinosaurs roamed the then lush landscape.

Climate

Alberta extends for over from north to south; its climate, therefore, varies considerably. Average high temperatures in January range from in the southwest to in the far north. The presence of the Rocky Mountains also influences the climate to the southwest, which disrupts the flow of the prevailing westerly winds and causes them to drop most of their moisture on the western slopes of the mountain ranges before reaching the province, casting a rain shadow over much of Alberta. The northerly location and isolation from the weather systems of the Pacific Ocean cause Alberta to have a dry climate with little moderation from the ocean. Annual precipitation ranges from in the southeast to in the north, except in the foothills of the Rocky Mountains where total precipitation including snowfall can reach annually.

Northern Alberta is mostly covered by boreal forest and has a subarctic climate. The agricultural area of southern Alberta

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