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The Geography Portal
Geography (from Ancient Greek γεωγραφία geōgraphía; combining gê 'Earth' and gráphō 'write') is the study of the lands, features, inhabitants, and phenomena of Earth. Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities—not merely where objects are, but also how they have changed and come to be. While geography is specific to Earth, many concepts can be applied more broadly to other celestial bodies in the field of planetary science. Geography has been called "a bridge between natural science and social science disciplines."
Origins of many of the concepts in geography can be traced to Greek Eratosthenes of Cyrene, who may have coined the term "geographia" (c. 276 BC – c. 195/194 BC). The first recorded use of the word γεωγραφία was as the title of a book by Greek scholar Claudius Ptolemy (100 – 170 AD). This work created the so-called "Ptolemaic tradition" of geography, which included "Ptolemaic cartographic theory." However, the concepts of geography (such as cartography) date back to the earliest attempts to understand the world spatially, with the earliest example of an attempted world map dating to the 9th century BCE in ancient Babylon. The history of geography as a discipline spans cultures and millennia, being independently developed by multiple groups, and cross-pollinated by trade between these groups. The core concepts of geography consistent between all approaches are a focus on space, place, time, and scale.
Today, geography is an extremely broad discipline with multiple approaches and modalities. There have been multiple attempts to organize the discipline, including the four traditions of geography, and into branches. Techniques employed can generally be broken down into quantitative and qualitative approaches, with many studies taking mixed-methods approaches. Common techniques include cartography, remote sensing, interviews, and surveying. (Full article...)
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Featured articles are displayed here, which represent some of the best content on English Wikipedia.
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Calabozos is a Holocene caldera in central Chile's Maule Region (7th Region). Part of the Chilean Andes' volcanic segment, it is considered a member of the Southern Volcanic Zone (SVZ), one of the three distinct volcanic belts of South America. This most active section of the Andes runs along central Chile's western edge, and includes more than 70 of Chile's stratovolcanoes and volcanic fields. Calabozos lies in an extremely remote area of poorly glaciated mountains.
Calabozos and the majority of the Andean volcanoes formed from the subduction of the oceanic Nazca Plate under the continental South American continental lithosphere. The caldera is in a transitional region between thick and thin lithosphere, and is probably supplied by a pool of andesitic and rhyolitic magma. It sits on a historic bed of volcanic and plutonic sedimentary rock (rock formed within the Earth) that in turn sits on top of a layer of merged sedimentary and metamorphic rock. (Full article...) -
The Song dynasty (/sʊŋ/) was an imperial dynasty of China that ruled from 960 to 1279. The dynasty was founded by Emperor Taizu of Song, who usurped the throne of the Later Zhou dynasty and went on to conquer the rest of the Ten Kingdoms, ending the Five Dynasties and Ten Kingdoms period. The Song often came into conflict with the contemporaneous Liao, Western Xia and Jin dynasties in northern China. After retreating to southern China following attacks by the Jin dynasty, the Song was eventually conquered by the Mongol-led Yuan dynasty.
The dynasty is divided into two periods: Northern Song and Southern Song. During the Northern Song (Chinese: 北宋; 960–1127), the capital was in the northern city of Bianjing (now Kaifeng) and the dynasty controlled most of what is now Eastern China. The Southern Song (Chinese: 南宋; 1127–1279) refers to the period after the Song lost control of its northern half to the Jurchen-led Jin dynasty in the Jin–Song Wars. At that time, the Song court retreated south of the Yangtze and established its capital at Lin'an (now Hangzhou). Although the Song dynasty had lost control of the traditional Chinese heartlands around the Yellow River, the Southern Song Empire contained a large population and productive agricultural land, sustaining a robust economy. In 1234, the Jin dynasty was conquered by the Mongols, who took control of northern China, maintaining uneasy relations with the Southern Song. Möngke Khan, the fourth Great Khan of the Mongol Empire, died in 1259 while besieging the mountain castle Diaoyucheng, Chongqing. His younger brother Kublai Khan was proclaimed the new Great Khan and in 1271 founded the Yuan dynasty. After two decades of sporadic warfare, Kublai Khan's armies conquered the Song dynasty in 1279 after defeating the Southern Song in the Battle of Yamen, and reunited China under the Yuan dynasty. (Full article...) -
The River Parrett flows through the counties of Dorset and Somerset in South West England, from its source in the Thorney Mills springs in the hills around Chedington in Dorset. Flowing northwest through Somerset and the Somerset Levels to its mouth at Burnham-on-Sea, into the Bridgwater Bay nature reserve on the Bristol Channel, the Parrett and its tributaries drain an area of 660 square miles (1,700 km2) – about 50 per cent of Somerset's land area, with a population of 300,000.
The Parrett's main tributaries include the Rivers Tone, Isle, and Yeo, and the River Cary via the King's Sedgemoor Drain. The 37-mile (60 km) long river is tidal for 19 miles (31 km) up to Oath. The fall of the river between Langport and Bridgwater is only 1 foot per mile (0.2 m/km), so it is prone to frequent flooding in winter and during high tides. Many approaches have been tried since at least the medieval period to reduce the incidence and effect of floods and to drain the surrounding fields. (Full article...) -
Upper Pine Bottom State Park is a 5-acre (2.0 ha) Pennsylvania state park in Lycoming County, Pennsylvania in the United States. The park is in Cummings Township on Pennsylvania Route 44 and is surrounded by the Tiadaghton State Forest. It is on Upper Pine Bottom Run, which gave the park its name and is a tributary of Pine Creek. Upper Pine Bottom State Park is in the Pine Creek Gorge, where the streams have cut through five major rock formations from the Devonian and Carboniferous periods.
The earliest recorded inhabitants of the area were the Susquehannocks, followed by the Iroquois, Lenape, and Shawnee. Upper Pine Bottom Run was the site of a furnace for pig iron in 1814, the first sawmill was built on it in 1815, and in 1825 an earlier bridle path across its headwaters became a turnpike. The lumber industry led to the clearcutting of the area in the 19th century. The state forest was started in 1898 and the park was formed from it by 1923 as a Class B public camp. The Civilian Conservation Corps had a camp on the run and improved the park in the 1930s, but it was not transferred to the Bureau of State Parks until 1962. Though it began as a public campsite and once had a picnic pavilion, it is for day use only and its only facilities are a few picnic tables and a parking area. (Full article...) -
Jeannette at Le Havre in 1878, prior to her departure for San Francisco in a trip that would see her round Cape Horn
The Jeannette expedition of 1879–1881, officially called the U.S. Arctic Expedition, was an attempt led by George W. De Long to reach the North Pole by pioneering a route from the Pacific Ocean through the Bering Strait. The premise was that a temperate current, the Kuro Siwo, flowed northwards into the strait, providing a gateway to the hypothesized Open Polar Sea and thus to the pole.
This theory proved illusory; the expedition's ship, USS Jeannette and its crew of thirty-three men, was trapped by ice and drifted for nearly two years before she was crushed and sunk north of the Siberian coast. De Long then led his men on a perilous journey by sled, dragging the Jeannette's whaleboat and two cutters, eventually switching to these small boats to sail for the Lena Delta in Siberia. During this journey, and in the subsequent weeks of wandering in Siberia before rescue, twenty of the ship's complement died, including De Long. (Full article...) -
Japanese foreign affairs minister Mamoru Shigemitsu signs the Japanese Instrument of Surrender aboard the USS Missouri as American General Richard K. Sutherland watches, 2 September 1945.
The surrender of the Empire of Japan in World War II was announced by Emperor Hirohito on 15 August and formally signed on 2 September 1945, ending the war. By the end of July 1945, the Imperial Japanese Navy (IJN) was incapable of conducting major operations and an Allied invasion of Japan was imminent. Together with the United Kingdom and China, the United States called for the unconditional surrender of Japan in the Potsdam Declaration on 26 July 1945—the alternative being "prompt and utter destruction". While publicly stating their intent to fight on to the bitter end, Japan's leaders (the Supreme Council for the Direction of the War, also known as the "Big Six") were privately making entreaties to the publicly neutral Soviet Union to mediate peace on terms more favorable to the Japanese. While maintaining a sufficient level of diplomatic engagement with the Japanese to give them the impression they might be willing to mediate, the Soviets were covertly preparing to attack Japanese forces in Manchuria and Korea (in addition to South Sakhalin and the Kuril Islands) in fulfillment of promises they had secretly made to the US and the UK at the Tehran and Yalta Conferences.
On 6 August 1945, at 8:15 am local time, the United States detonated an atomic bomb over the Japanese city of Hiroshima. Sixteen hours later, American President Harry S. Truman called again for Japan's surrender, warning them to "expect a rain of ruin from the air, the like of which has never been seen on this earth." Late on 8 August 1945, in accordance with the Yalta agreements, but in violation of the Soviet–Japanese Neutrality Pact, the Soviet Union declared war on Japan, and soon after midnight on 9 August 1945, the Soviet Union invaded the Japanese puppet state of Manchukuo. Hours later, the United States dropped a second atomic bomb, on the Japanese city of Nagasaki. Emperor Hirohito ordered the Supreme Council for the Direction of the War to accept the terms the Allies had set down in the Potsdam Declaration. After several more days of behind-the-scenes negotiations and a failed coup d'état, Emperor Hirohito gave a recorded radio address across the Empire on 15 August announcing the surrender of Japan to the Allies. (Full article...) -
The War of the Fifth Coalition was a European conflict in 1809 that was part of the Napoleonic Wars and the Coalition Wars. The main conflict took place in Central Europe between the Austrian Empire of Francis I and Napoleon's French Empire. The French were supported by their client states—the Kingdom of Italy, the Confederation of the Rhine and the Duchy of Warsaw. Austria was supported by the Fifth Coalition which included the United Kingdom, Portugal, Spain, and the Kingdoms of Sardinia and Sicily, although the latter two took no part in the fighting. By the start of 1809 much of the French army was committed to the Peninsular War against Britain, Spain and Portugal. After France withdrew 108,000 soldiers from Germany, Austria attacked France to seek the recovery of territories lost in the 1803–1806 War of the Third Coalition. The Austrians hoped Prussia would support them, having recently been defeated by France, but Prussia chose to remain neutral.
On 10 April 1809, Austrian forces under Archduke Charles crossed the border of Bavaria, a French client state. The French response, under Louis-Alexandre Berthier, was disorganised but order was imposed with the arrival of Napoleon on 17 April. Napoleon led an advance to Landshut, hoping to cut off the Austrian line of retreat and sweep into their rear. Charles crossed the Danube at Regensburg, which allowed him to retreat eastwards, although he failed to reach the Austrian capital, Vienna, before the French. A French assault across the Danube was repulsed on 21–22 May at the Battle of Aspern-Essling but a repeat attack was successful in July. Napoleon won a major victory at the 5–6 July Battle of Wagram, which forced the Austrians to sign the Armistice of Znaim on 12 July. Austrian invasions of the Duchy of Warsaw and Saxony (where they fought alongside the Black Brunswickers) were repulsed and they were driven out of their territories in Italy. British forces landed in Walcheren, in the French client state of Holland, but were unable to seize their objective of capturing Antwerp and were later withdrawn. (Full article...) -
The main hut at Cape Denison
The Australasian Antarctic Expedition was a 1911–1914 expedition headed by Douglas Mawson that explored the largely uncharted Antarctic coast due south of Australia. Mawson had been inspired to lead his own venture by his experiences on Ernest Shackleton's Nimrod expedition in 1907–1909. During its time in Antarctica, the expedition's sledging parties covered around 4,180 kilometres (2,600 mi) of unexplored territory, while its ship, SY Aurora, navigated 2,900 kilometres (1,800 mi) of unmapped coastline. Scientific activities included meteorological measurements, magnetic observations, an expansive oceanographic program, and the collection of many biological and geological samples, including the discovery of the first meteorite found in Antarctica. The expedition was the first to establish and maintain wireless contact between Antarctica and Australia. Another planned innovation – the use of an aircraft – was thwarted by an accident before the expedition sailed. The plane's fuselage was adapted to form a motorised sledge or "air-tractor", but it proved to be of very limited usefulness.
The expedition was organised into three bases: one on the sub-Antarctic Macquarie Island and two on the Antarctic mainland. The main base, under Mawson's command, was set up at Cape Denison, about 500 kilometres (300 mi) west of Cape Adare, and a western base under Frank Wild was established on the Shackleton Ice Shelf, more than 2,400 kilometres (1,500 mi) west of Cape Denison. Activities at both mainland bases were hampered by extreme winds, which often made outside work impossible. (Full article...) -
Black Moshannon State Park is a 3,480-acre (1,410 ha) Pennsylvania state park in Rush Township, Centre County, Pennsylvania, United States. It surrounds Black Moshannon Lake, formed by a dam on Black Moshannon Creek, which has given its name to the lake and park. The park is just west of the Allegheny Front, 9 miles (14 km) east of Philipsburg on Pennsylvania Route 504, and is largely surrounded by Moshannon State Forest. A bog in the park provides a habitat for diverse wildlife not common in other areas of the state, such as carnivorous plants, orchids, and species normally found farther north. As home to the "largest reconstituted bog in Pennsylvania", it was chosen by the Pennsylvania Department of Conservation and Natural Resources for its "25 Must-see Pennsylvania State Parks" list.
Humans have long used the Black Moshannon area for recreational, industrial, and subsistence purposes. The Seneca tribe used it as hunting and fishing grounds. European settlers cleared some land for farming, then clear-cut the vast stands of old-growth white pine and eastern hemlock. Black Moshannon State Park rose from the ashes of a depleted forest which had been largely destroyed by wildfire in the years following the lumber era. The forests were rehabilitated by the Civilian Conservation Corps during the Great Depression in the 1930s. Many of the buildings built by the Civilian Conservation Corps stand in the park today and are protected on the list of National Register of Historic Places in three historic districts. (Full article...) -
The Three Sisters are closely spaced volcanic peaks in the U.S. state of Oregon. They are part of the Cascade Volcanic Arc, a segment of the Cascade Range in western North America extending from southern British Columbia through Washington and Oregon to Northern California. Each over 10,000 feet (3,000 meters) in elevation, they are the third-, fourth- and fifth-highest peaks in Oregon. Located in the Three Sisters Wilderness at the boundary of Lane and Deschutes counties and the Willamette and Deschutes national forests, they are about 10 miles (16 kilometers) south of the nearest town, Sisters. Diverse species of flora and fauna inhabit the area, which is subject to frequent snowfall, occasional rain, and extreme temperature variation between seasons. The mountains, particularly South Sister, are popular destinations for climbing and scrambling.
Although they are often grouped together as one unit, the three mountains have their own individual geology and eruptive history. Neither North Sister nor Middle Sister has erupted in the last 14,000 years, and it is considered unlikely that either will ever erupt again. South Sister last erupted about 2,000 years ago and could erupt in the future, threatening life within the region. After satellite imagery detected tectonic uplift near South Sister in 2000, the United States Geological Survey improved monitoring in the immediate area. (Full article...) -
SMS Goeben was the second of two Moltke-class battlecruisers of the Imperial German Navy, launched in 1911 and named after the German Franco-Prussian War veteran General August Karl von Goeben. Along with her sister ship, Goeben was similar to the previous German battlecruiser design, Von der Tann, but larger, with increased armor protection and two more main guns in an additional turret. Goeben and Moltke were significantly larger and better armored than the comparable British Indefatigable class.
Several months after her commissioning in 1912, Goeben, with the light cruiser Breslau, formed the German Mediterranean Division and patrolled there during the Balkan Wars. After the outbreak of World War I on 28 July 1914, Goeben and Breslau bombarded French positions in North Africa and then evaded British naval forces in the Mediterranean and reached Constantinople. The two ships were transferred to the Ottoman Empire on 16 August 1914, and Goeben became the flagship of the Ottoman Navy as Yavuz Sultan Selim, usually shortened to Yavuz. By bombarding Russian facilities in the Black Sea, she brought Turkey into World War I on the German side. The ship operated primarily against Russian forces in the Black Sea during the war, including several inconclusive engagements with Russian battleships. She made a sortie into the Aegean in January 1918 that resulted in the Battle of Imbros, where Yavuz sank a pair of British monitors but was herself badly damaged by mines. (Full article...) -
Ambohimanga is a hill and traditional fortified royal settlement (rova) in Madagascar, located approximately 24 kilometers (15 mi) northeast of the capital city of Antananarivo. It is situated in the commune of Ambohimanga Rova.
The hill and the rova that stands on top are considered the most significant symbol of the cultural identity of the Merina people and the most important and best-preserved monument of the precolonial Merina Kingdom. The walled historic village includes residences and burial sites of several key monarchs. The site, one of the twelve sacred hills of Imerina, is associated with strong feelings of national identity and has maintained its spiritual and sacred character both in ritual practice and the popular imagination for at least four hundred years. It remains a place of worship to which pilgrims come from Madagascar and elsewhere. (Full article...) -
Upper Table Rock and Lower Table Rock are two prominent volcanic plateaus located just north of the Rogue River in Jackson County, Oregon, U.S. Created by an andesitic lava flow approximately seven million years ago and shaped by erosion, they now stand about 800 feet (240 m) above the surrounding Rogue Valley. The Table Rocks are jointly owned; The Nature Conservancy is responsible for 3,591 acres (1,453 ha), while the Bureau of Land Management is responsible for 1,280 acres (520 ha).
Native Americans have inhabited the Table Rocks area for at least 15,000 years before European-American settlement. Starting in the mid-19th century during a gold rush, the settlers forced the Takelma tribe away from the Table Rocks and into reservations. The surrounding area was quickly developed. The Table Rock post office was established in 1872, an airstrip was built atop Lower Table Rock in 1948, and a very high frequency omni-directional range (VOR) aviation tower was constructed on Upper Table Rock in the 1960s. The Table Rocks were not protected until the 1970s. (Full article...) -
Wōdejebato (formerly known as Sylvania) is a Cretaceous guyot or tablemount in the northern Marshall Islands, Pacific Ocean. Wōdejebato is probably a shield volcano and is connected through a submarine ridge to the smaller Pikinni Atoll 74 kilometres (46 mi) southeast of the guyot; unlike Wōdejebato, Pikinni rises above sea level. The seamount rises for 4,420 metres (14,500 ft) to 1,335 metres (4,380 ft) depth and is formed by basaltic rocks. The name Wōdejebato refers to a sea god of Pikinni.
It was probably formed by a hotspot in what is present-day French Polynesia before plate tectonics moved it to its present-day location. The Macdonald, Rarotonga, Rurutu and Society hotspots may have been involved in its formation. The first volcanic phase took place in the Cenomanian and was followed by the formation of a carbonate platform that quickly disappeared below the sea. A second volcanic episode between 85 and 78.4 million years ago (in the Campanian) led to the formation of an island. This island was eventually eroded and rudist reefs generated an atoll or atoll-like structure, covering the former island with carbonates and thus a second carbonate platform. (Full article...) -
The Hudson Valley Rail Trail is a paved 4-mile (6.4 km) east–west rail trail in the town of Lloyd in Ulster County, New York, stretching from the Hudson River through the hamlet of Highland. The trail was originally part of the Poughkeepsie Bridge Route, a rail corridor that crossed the Hudson via the Poughkeepsie Bridge. Controlled by a variety of railroads throughout the 19th and 20th centuries, the bridge was damaged and became unusable after a May 8, 1974 fire. By the 1980s, the corridor's then-owner, Conrail, had routed all rail traffic in the region north through Selkirk Yard and was eager to relieve itself of the bridge and adjoining rights-of-way. In 1984, it sold the entire property for one dollar to a felon who did not maintain it or pay taxes on it. The section of the corridor west of the Hudson was seized by Ulster County in 1991 and transferred to the town of Lloyd.
During the 1990s, a broadband utility seeking to lay fiber optic cable paid the town to pass through the former corridor. The town used part of its payment to pave the route and open it as a public rail trail in 1997. The creation of the trail was supported by a local Rotary club, which built a pavilion along the trail. The pavilion includes a donated antique caboose. While the trail originally ended at Route 44–55, it was extended eastward between 2009 and 2010, intersecting Route 9W and continuing to the Poughkeepsie Bridge. The extension was paid for by stimulus funding. (Full article...)
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Map: Strebe, using the Geocart map projection softwareA map of the world using the Natural Earth projection, a pseudocylindrical projection which is neither conformal nor equal-area. The projection was designed by Tom Patterson, an American cartographer with the National Park Service who has developed several open-source tools and base maps for cartographers.
This map is a derivative of NASA's Blue Marble summer month composite, with oceans lightened to enhance legibility and contrast. -
Map: Strebe, using GeocartThe Winkel tripel projection is a modified azimuthal map projection proposed by Oswald Winkel in 1921. The arithmetic mean of the equirectangular projection and the Aitoff projection, it was intended as a compromise between minimizing three kinds of distortion: area, direction and distance.
The imagery used for the map is derived from NASA's Blue Marble summer months composite, with oceans lightened to enhance legibility and contrast. -
Photo: NASAA composite satellite image of the continent of North America in orthographic projection. North America occupies the northern portion of the landmass generally known as the Americas, with its southern border at the Darién watershed along the Colombia–Panama border. The vast majority of North America rests on the North American Plate, while small parts of California and western Mexico rest on the Pacific Plate; Central America and the Caribbean islands rest on the Caribbean Plate. -
Map credit: Robert WilkinsonAn 18th century map of the Iberian Peninsula illustrating various topographic features of the land. The Iberian Peninsula, or Iberia, is located in the extreme southwest of Europe, and includes modern day Spain, Portugal, Gibraltar and Andorra. -
Map credit: Fernão Vaz DouradoA pre-Mercator nautical chart of West Africa from 1571, by Portuguese cartographer Fernão Vaz Dourado. It is done using the so-called "plane chart model", where observed latitudes and magnetic directions were plotted directly into the plane, with a constant scale, as if the Earth were flat. -
Illustration credit: Joaquim Alves Gaspar, after Jorge de AguiarA compass rose, sometimes called a windrose or rose of the winds, is a figure on a compass, map, nautical chart, or monument used to display the orientation of the cardinal directions (north, east, south, and west) and their intermediate points. It is also the term for the graduated markings found on the traditional magnetic compass. Today, a form of compass rose is found on, or featured in, almost all navigation systems, including nautical charts, non-directional beacons, VHF omnidirectional range systems, GPS, and similar equipment.
This picture is an illustration of a compass rose, copied from a 1492 portolan chart by Portuguese navigator and cartographer Jorge de Aguiar, now in the Beinecke Rare Book & Manuscript Library. -
Photograph credit: European Space Agency / Sentinel-2The Yukon Delta is a river delta formed by the Yukon River as it drains into the Bering Sea. It is part of the larger Yukon–Kuskokwim Delta, which includes the delta of the Kuskokwim River. The Yukon River rises in British Columbia, Canada, and flows through Yukon before entering the U.S. state of Alaska. This August 2017 satellite image of the Yukon Delta shows how the river branches into numerous distributary channels that meander through the low-lying terrain on their way to the sea. The sandy colour of these channels and the coastal water is indicative of the marine sediment the river carries to the sea at this time of year. -
Map: Strebe, using GeocartThe Littrow projection, created by Joseph Johann Littrow in 1838, is a conformal retroazimuthal map projection. It allows direct measurement of the azimuth from any point on the map to the center. -
Map: Strebe, using the Geocart map projection softwareA two-point equidistant projection of Eurasia. All distances of other points from the two points marked in red (45°N 40°E and 30°N 110°E) are correct. This map is a derivative of NASA's Blue Marble summer month composite, with oceans lightened to enhance legibility and contrast. -
A satellite image of the Scandinavian Peninsula in winter. The peninsula, approximately 1,850 kilometers (1,150 miles) long with a width varying between approximately 370–805 km (230–500 mi), making it the largest in Europe, is located in the northern part of the continent and consists of Norway, Sweden and part of Finland. Much of the population is concentrated in the southern part of the peninsula; Stockholm and Gothenburg, both in Sweden, and Oslo in Norway are the largest cities. -
Map credit: Central Intelligence AgencyThe Robinson projection is a projection of a world map showing the entire Earth at once. It was specifically created in an attempt to find a good compromise to the problem of showing the whole globe as a single flat image. The projection was devised by Arthur H. Robinson in 1963; distortion is severe close to the poles, but quickly declines to moderate levels as latitudes decrease. This Robinson-projection map, with standard parallels of 38°N and 38°S, was produced by the United States Central Intelligence Agency and shows the world as of February 2016. -
Map: Strebe, using GeocartThe equirectangular projection is a simple map projection attributed to Marinus of Tyre, who Ptolemy claims invented the projection about AD 100. The projection maps meridians to vertical straight lines of constant spacing, and circles of latitude to horizontal straight lines of constant spacing. The projection is neither equal area nor conformal. Because of the distortions introduced by this projection, it has few applications beyond base imagery to be reprojected to some more useful projection. -
Map: Strebe, using GeocartThe azimuthal equidistant projection is an azimuthal map projection in which all points on the map are both proportionately correct distances from the center point and at the correct azimuth (direction) from the center point. Distances and directions to all places, however, are true only from the center point of projection. This projection has been used for the flag of the United Nations, for the USGS National Atlas of the United States of America, and for large-scale mapping of Micronesia, among others. -
Typhoon Noru was the second-longest lasting tropical cyclone of the northwest Pacific Ocean on record. The fifth named storm of the 2017 Pacific typhoon season, it formed on July 19 and reached peak intensity on July 31 with 175 km/h (110 mph) 10-minute sustained winds. By this time, as shown in this satellite image, the typhoon was located south of Iwo Jima, and had taken on annular characteristics, with a symmetric ring of deep convection surrounding a 30 km (19 mi) well defined eye and fairly uniform cloud top temperatures. Traveling northwestward over an area of low ocean heat content, the eye became enlarged and ragged as the system weakened. By the time Noru made landfall over Wakayama Prefecture, Japan, on August 7, it had been downgraded to a severe tropical storm. It then dissipated over the Sea of Japan on August 9 as an extratropical cyclone. -
Map: Strebe, using GeocartThe Robinson projection is a map projection of a world map which shows the entire world at once. It was devised by Arthur H. Robinson in 1963 in response to an appeal from the Rand McNally company for a good compromise to the problem of readily showing the whole globe as a flat image. The company has used the projection since that time, and the National Geographic Society used the Robinson from 1988 to 1998.
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Alfred Russel Wallace OM FRS (8 January 1823 – 7 November 1913) was an English naturalist, explorer, geographer, anthropologist, biologist and illustrator. He independently conceived the theory of evolution through natural selection; his 1858 paper on the subject was published that year alongside extracts from Charles Darwin's earlier writings on the topic. It spurred Darwin to set aside the "big species book" he was drafting and quickly write an abstract of it, which was published in 1859 as On the Origin of Species.
Wallace did extensive fieldwork, starting in the Amazon River basin. He then did fieldwork in the Malay Archipelago, where he identified the faunal divide now termed the Wallace Line, which separates the Indonesian archipelago into two distinct parts: a western portion in which the animals are largely of Asian origin, and an eastern portion where the fauna reflect Australasia. He was considered the 19th century's leading expert on the geographical distribution of animal species, and is sometimes called the "father of biogeography", or more specifically of zoogeography. (Full article...)Did you know
Did you know it about Geography?
- ... that Johann Reinhold Forster's 1778 book Observations Made During a Voyage Round the World has been described as "the beginning of modern geography"?
- ... that glaciation in Wisconsin 17 thousand years ago helped create its unique geography?
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This following Geography-related articles is a most visited articles of WikiProject Geography, See complete list at Wikipedia:WikiProject Geography/Popular pages.
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A map of the United States showing its 50 states, federal district and five inhabited territories. Alaska, Hawaii, and the territories are shown at different scales, and the Aleutian Islands and the uninhabited northwestern Hawaiian Islands are omitted from this map.
The United States of America is a federal republic consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States), five major territories, and various minor islands. Both the states and the United States as a whole are each sovereign jurisdictions. The Tenth Amendment to the United States Constitution allows states to exercise all powers of government not delegated to the federal government. Each state has its own constitution and government, and all states and their residents are represented in the federal Congress, a bicameral legislature consisting of the Senate and the House of Representatives. Each state is represented by two senators, while representatives are distributed among the states in proportion to the most recent constitutionally mandated decennial census. Additionally, each state is entitled to select a number of electors to vote in the Electoral College, the body that elects the president of the United States, equal to the total of representatives and senators in Congress from that state. The federal district does not have representatives in the Senate, but has a non-voting delegate in the House, and it is also entitled to electors in the Electoral College. Congress can admit more states, but it cannot create a new state from territory of an existing state or merge two or more states into one without the consent of all states involved, and each new state is admitted on an equal footing with the existing states. (Full article...) -
Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust. The remaining 29.2% of Earth's crust is land, most of which is located in the form of continental landmasses within Earth's land hemisphere. Most of Earth's land is somewhat humid and covered by vegetation, while large sheets of ice at Earth's polar deserts retain more water than Earth's groundwater, lakes, rivers and atmospheric water combined. Earth's crust consists of slowly moving tectonic plates, which interact to produce mountain ranges, volcanoes, and earthquakes. Earth has a liquid outer core that generates a magnetosphere capable of deflecting most of the destructive solar winds and cosmic radiation. (Full article...) -
Generation Z (often shortened to Gen Z), colloquially known as Zoomers, is the demographic cohort succeeding Millennials and preceding Generation Alpha. Researchers and popular media use the mid-to-late 1990s as starting birth years and the early 2010s as ending birth years. Most members of Generation Z are the children of Generation X or older Millennials. (Full article...)
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Google Maps is a web mapping platform and consumer application offered by Google. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets (Street View), real-time traffic conditions, and route planning for traveling by foot, car, bike, air (in beta) and public transportation. , Google Maps was being used by over one billion people every month around the world. (Full article...) -
Generation X (often shortened to Gen X) is the demographic cohort following the Baby Boomers and preceding Millennials. Researchers and popular media often use the mid-1960s as its starting birth years and the late 1970s as its ending birth years, with the generation being generally defined as people born from 1965 to 1980. By this definition and U.S. Census data, there are 65.2 million Gen Xers in the United States as of 2019. Most of Generation X are the children of the Silent Generation and early Baby Boomers; Xers are also often the parents of Millennials and Generation Z. (Full article...)
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Hong Kong is a special administrative region of the People's Republic of China. With 7.4 million residents of various nationalities in a 1,104-square-kilometre (426 sq mi) territory, Hong Kong is one of the most densely populated territories in the world. (Full article...) -
London is the capital and largest city of both England and the United Kingdom, with a population of around 8.8 million, and its metropolitan area is the largest in Western Europe, with a population of 14.9 million. It stands on the River Thames in south-east England at the head of a 50-mile (80 km) estuary down to the North Sea and has been a major settlement for nearly two millennia. The City of London, its ancient core and financial centre, was founded by the Romans as Londinium and retains its medieval boundaries. The City of Westminster, to the west of the City of London, has for centuries hosted the national government and parliament. In the 19th century, London grew rapidly, becoming the world's largest city at the time, as it expanded and absorbed the surrounding county of Middlesex, and parts of Surrey and Kent. In 1965 it was combined with parts of Essex and Hertfordshire to create the administrative area of Greater London, which is governed by 33 local authorities and the Greater London Authority. (Full article...) -
Millennials, also known as Generation Y (often shortened to Gen Y), are the demographic cohort following Generation X and preceding Generation Z. Researchers and popular media use the early 1980s as starting birth years and the mid-1990s to early 2000s as ending birth years, with the generation typically being defined as people born from 1981 to 1996. Most Millennials are the children of Baby Boomers and older Generation X. In turn Millennials are often the parents of Generation Alpha. (Full article...)
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Cartogram of the world's population in 2018; each square represents 500,000 people.
This is a list of countries and dependencies by population. It includes sovereign states, inhabited dependent territories and, in some cases, constituent countries of sovereign states, with inclusion within the list being primarily based on the ISO standard ISO 3166-1. For instance, the United Kingdom is considered a single entity, while the constituent countries of the Kingdom of the Netherlands are considered separately. In addition, this list includes certain states with limited recognition not found in ISO 3166-1. Also given in a percentage is each country's population compared with the world population, which the United Nations estimates at 8.11 billion as of 2024. (Full article...) -
Washington, D.C., formally the District of Columbia and commonly called Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with Maryland to its north and east. Washington, D.C., was named for George Washington, a Founding Father and the first president of the United States. The district is named for Columbia, the female personification of the nation. (Full article...)
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