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Jan 17, 2021 · The climate in Juneau and the southeast panhandle is a mid-latitude oceanic climate (Köppen Cfb). The climate in the extreme north of Alaska is what would be expected for an area north of the Arctic Circle — it is an Arctic climate (Köppen ET) with long, very cold winters and short, cool summers.
Jan 14, 2021 · Contact NASA Climate Kids. Site last updated: January 14th, 2021 ...
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The Americas are usually accepted as having been named after the Italian explorer Amerigo Vespucci by the German cartographers Martin Waldseemüller and Matthias Ringmann. Vespucci, who explored South America between 1497 and 1502, was the first European to suggest that the Americas were not the East Indies, but a different landmass previously unknown by Europeans. In 1507, Waldseemüller produced a world map, in which he placed the word "America" on the continent of South America, in the middle of what is today Brazil. He explained the rationale for the name in the accompanying book Cosmographiae Introductio: For Waldseemüller, no one should object to the naming of the land after its discoverer. He used the Latinized version of Vespucci's name (Americus Vespucius), but in its feminine form "America", following the examples of "Europa", "Asia" and "Africa". Later, other mapmakers extended the name America to the northern continent, In 1538, Gerard Mercator used Americaon his map of th...
The term North America maintains various definitions in accordance with location and context. In Canadian English, North America may be used to refer to the United States and Canada together. Alternatively, usage sometimes includes Greenland and Mexico (as in the North American Free Trade Agreement), as well as offshore islands. The UN geoscheme for "North America" separates Mexico from the United States and Canada, placing it instead within its designated "Central America" region, while also treating the islands of the Caribbean separately from the US/Canada definition—the UN's "North America" definition still includes the Canadian Arctic Archipelago and Greenland together with the US/Canada continental definition, with both insular entities being tectonically on the North American plate. In France, Italy, Portugal, Spain, Romania, Greece, and the countries of Latin America, the cognates of North Americausually designate a subcontinent of the Americas comprising Canada, the United...
Laurentia is an ancient craton which forms the geologic core of North America; it formed between 1.5 and 1.0 billion years ago during the Proterozoic eon. The Canadian Shield is the largest exposure of this craton. From the Late Paleozoic to Early Mesozoic eras, North America was joined with the other modern-day continents as part of the supercontinent Pangaea, with Eurasia to its east. One of the results of the formation of Pangaea was the Appalachian Mountains, which formed some 480 million...
The indigenous peoples of North America have many creation myths by which they assert that they have been present on the land since its creation. The specifics of Paleo-Indian migration to and throughout the Americas, including the exact dates and routes traveled, are subject to ongoing research and discussion. The traditional theory has been that these early migrants moved into the Beringia land bridge between eastern Siberia and present-day Alaska around 25,000 to 11,000 years ago. The few...
During the Age of Discovery, Europeans explored and staked claims to various parts of North America. Upon their arrival in the "New World", the Native American population declined substantially, because of violent conflicts with the invaders and the introduction of European diseases to which the Native Americans lacked immunity. Native culture changed drastically and their affiliation with political and cultural groups also changed. Several linguistic groups died out, and others changed quite...
North America occupies the northern portion of the landmass generally referred to as the New World, the Western Hemisphere, the Americas, or simply America (which, less commonly, is considered by some as a single continent with North America a subcontinent). North America's only land connection to South America is at the Isthmus of Panama. The continent is delimited on the southeast by most geographers at the Darién watershed along the Colombia-Panama border, placing all of Panama within North America. Alternatively, some geologists physiographically locate its southern limit at the Isthmus of Tehuantepec, Mexico, with Central America extending southeastward to South America from this point. The Caribbean islands, or West Indies, are considered part of North America. The continental coastline is long and irregular. The Gulf of Mexico is the largest body of water indenting the continent, followed by Hudson Bay. Others include the Gulf of Saint Lawrence and the Gulf of California. Bef...
Economically, Canada and the United States are the wealthiest and most developed nations in the continent, followed by Mexico, a newly industrialized country. The countries of Central America and the Caribbean are at various levels of economic and human development. For example, small Caribbean island-nations, such as Barbados, Trinidad and Tobago, and Antigua and Barbuda, have a higher GDP (PPP) per capita than Mexico due to their smaller populations. Panama and Costa Rica have a significantly higher Human Development Indexand GDP than the rest of the Central American nations. Additionally, despite Greenland's vast resources in oil and minerals, much of them remain untapped, and the island is economically dependent on fishing, tourism, and subsidies from Denmark. Nevertheless, the island is highly developed. Demographically, North America is ethnically diverse. Its three main groups are Caucasians, Mestizos and Blacks.
Canada and the United States were both former British colonies. There is frequent cultural interplay between the United States and English-speaking Canada. Greenland shares some cultural ties with the indigenous people of Canada but is considered Nordic and has strong Danish ties due to centuries of colonization by Denmark. Spanish-speaking North America shares a common past as former Spanish colonies. In Mexico and the Central American countries where civilizations like the Maya developed, indigenous people preserve traditions across modern boundaries. Central American and Spanish-speaking Caribbean nations have historically had more in common due to geographical proximity. Northern Mexico, particularly in the cities of Monterrey, Tijuana, Ciudad Juárez, and Mexicali, is strongly influenced by the culture and way of life of the United States. Of the aforementioned cities, Monterrey has been regarded as the most Americanized city in North America. Immigration to the United States an...The full Pan American Highway (including South America), from Prudhoe Bay, Alaska to Ushuaia, Argentina.2006 map of the North American Class I railroad network
- 24,709,000 km² (9,540,000 sq mi)
- 22.9/km² (59.3/sq mi)
- North American
- 565,265,000 (2013, 4th)
Jan 14, 2021 · Weather is a specific event—like a rainstorm or hot day—that happens over a few hours, days or weeks. Climate is the average weather conditions in a place over 30 years or more. NASA has observed that Earth's climate is getting warmer ...
Jan 12, 2021 · The oceanic climate exists in an arc spreading across the north-western coast of North America from the Alaskan panhandle to northern California, in general the coastal areas of the Pacific Northwest. It includes the western parts of Washington and Oregon, the Alaskan panhandle, western portions of British Columbia, and north-western California.
Jan 10, 2021 · The moist maritime climate of the Northwestern Forested Mountains is found along a narrow strip of coastal Oregon, Washington, British Columbia, and southern Alaska in North America. It is formed by westerly winds coming off of the Pacific Ocean, which hit the mountains and rise to a cooler atmosphere.
5 days ago · Global warming (hotter air temperatures around the world) is one example of climate change. Temperatures today are about 1.6 degrees Fahrenheit (F) warmer than they were 150 years ago. (0.9° Celsius) That may not seem like much, but it is enough to make glaciers and ice caps at the North and South Poles begin to melt.
1 day ago · Arlington falls in the Cfa (humid subtropical) region of the Köppen climate classification system which is a climate zone characterized by hot, humid summers and mild to cool winters.  The highest recorded temperature was 113 °F (45 °C) in 1980.
Jan 13, 2021 · Mexico map of Köppen climate classification In 2012, Mexico passed a comprehensive climate change bill, a first in the developing world, that has set a goal for the country to generate 35% of its energy from clean energy sources by 2024, and to cut emissions by 50% by 2050, from the level found in 2000.