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The Geography Portal

P:GEO

Physical map of Earth with political borders as of 2016

Geography (from Greek: γεωγραφία, geographia, literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and phenomena of the Earth and planets. The first person to use the word γεωγραφία was Eratosthenes (276–194 BC). 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.

Geography is often defined in terms of two branches: human geography and physical geography. Human geography is concerned with the study of people and their communities, cultures, economies, and interactions with the environment by studying their relations with and across space and place. Physical geography is concerned with the study of processes and patterns in the natural environment like the atmosphere, hydrosphere, biosphere, and geosphere.

The four historical traditions in geographical research are spatial analyses of natural and the human phenomena, area studies of places and regions, studies of human-land relationships, and the Earth sciences. Geography has been called "the world discipline" and "the bridge between the human and the physical sciences". (Full article...)

Outline of geography · Index

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Featured article

Featured articles in geography

The Mount Cayley volcanic field is a remote volcanic zone on the South Coast of British Columbia, Canada, stretching 31 km (19 mi) from the Pemberton Icefield to the Squamish River. It forms a segment of the Garibaldi Volcanic Belt, the Canadian portion of the Cascade Volcanic Arc, which extends from Northern California to southwestern British Columbia. Most of the Cayley volcanoes were formed during periods of volcanism under sheets of glacial ice throughout the last glacial period. These subglacial eruptions formed steep, flat-topped volcanoes and subglacial lava domes, most of which have been entirely exposed by deglaciation. However, at least two volcanoes predate the last glacial period and both are highly eroded. The field gets its name from Mount Cayley, the largest and most persistent volcano, located at the southern end of the Powder Mountain Icefield. This icefield covers much of the central portion of the volcanic field and is one of the several glacial fields in the Pacific Ranges of the Coast Mountains.

Eruptions along the length of the field began between 1.6 and 5.3 million years ago. At least 23 eruptions have occurred throughout its eruptive history. This volcanic activity ranged from effusive to explosive, with magma compositions ranging from basaltic to rhyolitic. Because the Mount Cayley volcanic field has a high elevation and consists of a cluster of mostly high altitude, non-overlapping volcanoes, subglacial activity is likely to have occurred under less than 800 m (2,600 ft) of glacial ice. The style of this glaciation promoted meltwater escape during eruptions. The steep profile of the volcanic field and its subglacial landforms support this hypothesis. As a result, volcanic features in the field that interacted with glacial ice lack rocks that display evidence of abundant water during eruption, such as hyaloclastite and pillow lava. (Full article...)
Emperor Norton, c.1871–72

Joshua Abraham Norton (February 4, 1818 – January 8, 1880), known as Emperor Norton, was a citizen of San Francisco, California, who proclaimed himself "Norton I, Emperor of the United States" in 1859. In 1863 he took the secondary title of "Protector of Mexico" after Napoleon III invaded Mexico. Norton was born in England but spent most of his early life in South Africa. He sailed west after the death of his mother in 1846 and his father in 1848, arriving in San Francisco possibly in November 1849.

Norton initially made a living as a businessman, but he lost his fortune investing in Peruvian rice to sell in China due to a Chinese rice shortage. He bought rice at 12 cents per pound from Peruvian ships, but more Peruvian ships arrived in port which caused the price to drop sharply to 4 cents. He then lost a lawsuit in which he tried to void his rice contract, and his public prominence faded. He re-emerged in September 1859, laying claim to the position of Emperor of the United States. Though Norton received many favors from the city, merchants also capitalized on his notoriety by selling souvenirs bearing his name. "San Francisco lived off the Emperor Norton," Norton's biographer William Drury wrote, "not Norton off San Francisco." (Full article...)
A B-52G, similar to the one that crashed at Thule Air Base

On 21 January 1968, an aircraft accident (sometimes known as the Thule affair or Thule accident (/ˈtuːli/); Danish: Thuleulykken) involving a United States Air Force (USAF) B-52 bomber occurred near Thule Air Base in the Danish territory of Greenland. The aircraft was carrying four B28FI thermonuclear bombs on a Cold War "Chrome Dome" alert mission over Baffin Bay when a cabin fire forced the crew to abandon the aircraft before they could carry out an emergency landing at Thule Air Base. Six crew members ejected safely, but one who did not have an ejection seat was killed while trying to bail out. The bomber crashed onto sea ice in North Star Bay, Greenland, causing the conventional explosives aboard to detonate and the nuclear payload to rupture and disperse, resulting in radioactive contamination of the area.

The United States and Denmark launched an intensive clean-up and recovery operation, but the secondary stage of one of the nuclear weapons could not be accounted for after the operation was completed. USAF Strategic Air Command "Chrome Dome" operations were discontinued immediately after the accident, which highlighted the safety and political risks of the missions. Safety procedures were reviewed, and more stable explosives were developed for use in nuclear weapons. (Full article...)
Eruptions in the Lassen volcanic area in the last 70,000 years. Circle shows base of Mount Tehama. See timeline image

The geology of the Lassen volcanic area presents a record of sedimentation and volcanic activity in the area in and around Lassen Volcanic National Park in Northern California, U.S. The park is located in the southernmost part of the Cascade Mountain Range in the Pacific Northwest region of the United States. Pacific Oceanic tectonic plates have plunged below the North American Plate in this part of North America for hundreds of millions of years. Heat from these subducting plates has fed scores of volcanoes in California, Oregon, Washington and British Columbia over at least the past 30 million years (see Geology of the Pacific Northwest) and is also responsible for activities in the Lassen volcanic area.

Between 3 and 4 million years ago, volcanic-derived mud flows called lahars streamed down several major mountains that included nearby but now extinct Mount Yana and Mount Maidu to become the Tuscan Formation. Basaltic and later andesitic to dacitic flows of lava covered increasingly larger areas of this formation to eventually form the lava plateau that the park sits on. About 600,000 years ago, Mount Tehama started to rise as a stratovolcano in the southwestern corner of the park, eventually reaching an estimated 11,000 ft (3,400 m) in height. Following a series of eruptions approximately 350,000 years ago, its cone collapsed into itself to form a 2 mi (3.2 km) wide caldera. (Full article...)
Barry Voight 1955 yearbook photo from Archbishop Stepinac High School

Barry Voight (/vɔɪt/; born 1937) is an American geologist, volcanologist, author, and engineer. After earning his Ph.D. at Columbia University, Voight worked as a professor of geology at several universities, including Pennsylvania State University, where he taught from 1964 until his retirement in 2005. He remains an emeritus professor there and still conducts research, focusing on rock mechanics, plate tectonics, disaster prevention, and geotechnical engineering.

In April 1980, Voight's publications on landslides, avalanches, and other mass movements attracted the attention of Rocky Crandell of the United States Geological Survey (USGS), who asked him to look at a growing bulge on the Mount St. Helens volcano in the state of Washington. Voight foresaw the collapse of the mountain's north flank as well as a powerful eruption. His predictions came true when St. Helens erupted in May 1980; Voight was then hired by the USGS to investigate the debris avalanche that initiated the eruption. After his work at Mount St. Helens brought him international recognition, Voight continued researching and guiding monitoring efforts at several active volcanoes throughout his career, including Nevado del Ruiz in Colombia, Mount Merapi in Indonesia, and Soufrière Hills, a volcano on the Caribbean island of Montserrat. For his research, publications, and disaster prevention work as a volcanologist and engineer, Voight has been honored with numerous awards, appointments, and medals. (Full article...)
Launching the James Caird from the shore of Elephant Island, 24 April 1916

The voyage of the James Caird was a journey of 1,300 kilometres (800 mi) from Elephant Island in the South Shetland Islands through the Southern Ocean to South Georgia, undertaken by Sir Ernest Shackleton and five companions to obtain rescue for the main body of the stranded Imperial Trans-Antarctic Expedition of 1914–1917. Polar historians regard the voyage of the crew in a 22.5' lifeboat through the "Furious Fifties" as one of the greatest small-boat journeys ever completed.

In October 1915, pack ice in the Weddell Sea had sunk the main expedition ship Endurance, leaving Shackleton and his 27 companions adrift on a floe. They drifted northward until April 1916, when the floe they had encamped broke up, then made their way in the ship's lifeboats to Elephant Island. Shackleton decided to sail one of the lifeboats to South Georgia, not the closest human settlement but the only one not requiring sailing into the prevailing westerlies. (Full article...)
Cley Marshes is a 176-hectare (430-acre) nature reserve on the North Sea coast of England just outside the village of Cley next the Sea, Norfolk. A reserve since 1926, it is the oldest of the reserves belonging to the Norfolk Wildlife Trust (NWT), which is itself the oldest county Wildlife Trust in the United Kingdom. Cley Marshes protects an area of reed beds, freshwater marsh, pools and wet meadows and is part of the North Norfolk Coast Site of Special Scientific Interest (SSSI), Special Area of Conservation (SAC), Special Protection Area (SPA), and Ramsar Site due to the large numbers of birds it attracts.

The reserve is important for some scarce breeding species, such as pied avocets on the islands, and western marsh harriers, Eurasian bitterns and bearded reedlings in the reeds, and is also a major migration stopoff and wintering site. There are also several nationally or locally scarce invertebrates and plants specialised for this coastal habitat. It has five bird hides and an environmentally friendly visitor centre and further expansion is planned through the acquisition of neighbouring land and improvements to visitor facilities. (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...)
Mount Takahe is a 3,460-metre-high (11,350 ft) snow-covered shield volcano in Marie Byrd Land, Antarctica, 200 kilometres (120 mi) from the Amundsen Sea. It is a c. 30-kilometre-wide (19 mi) mountain with parasitic vents and a caldera up to 8 kilometres (5 mi) wide. Most of the volcano is formed by trachytic lava flows, but hyaloclastite is also found. Snow, ice, and glaciers cover most of Mount Takahe. With a volume of 780 km³ (200 cu mi), it is a massive volcano; the parts of the edifice that are buried underneath the West Antarctic Ice Sheet are probably even larger. It is part of the West Antarctic Rift System along with eighteen other known volcanoes.

The volcano was active in the Quaternary age, from 2.5 million years ago to the present. Radiometric dating has yielded ages of up to 300,000 years for its rocks, and it reached its present height about 200,000 years ago. Several tephra layers encountered in ice cores at Mount Waesche and Byrd Station have been attributed to Mount Takahe, although some of them were later linked to eruptions of Mount Berlin instead. The tephra layers were formed by explosive or phreatomagmatic eruptions. Major eruptions took place around 17,700 years ago—possibly forming an ozone hole over Antarctica—and in the early Holocene. Mount Takahe's last eruption occurred about 7,600 years ago, and there is no present-day activity. (Full article...)
SY Aurora, anchored to the Antarctic ice

The drift of the Antarctic exploration vessel SY Aurora was an ordeal which lasted 312 days, affecting the Ross Sea party of Sir Ernest Shackleton's Imperial Trans-Antarctic Expedition, 1914–1917. It began when the ship broke loose from its anchorage in McMurdo Sound in May 1915, during a gale. Caught in heavy pack ice and unable to manoeuvre, Aurora, with eighteen men aboard, was carried into the open waters of the Ross Sea and Southern Ocean, leaving ten men stranded ashore with meagre provisions.

Aurora, a 40-year-old former Arctic whaler registered as a steam yacht, had brought the Ross Sea party to Cape Evans in McMurdo Sound in January 1915, to establish its base there in support of Shackleton's proposed transcontinental crossing. When Aurora's captain Aeneas Mackintosh took charge of activities ashore, first officer Joseph Stenhouse assumed command of the ship. Stenhouse's inexperience may have contributed to the choice of an inappropriate winter's berth, although his options were restricted by the instructions of his superiors. After the ship was blown away it suffered severe damage in the ice, including the destruction of its rudder and the loss of its anchors; on several occasions its situation was such that Stenhouse considered abandonment. Efforts to make wireless contact with Cape Evans and, later, with stations in New Zealand and Australia, were unavailing; the drift extended through the southern winter and spring to reach a position north of the Antarctic Circle. In February 1916 the ice broke up, and a month later the ship was free. It was subsequently able to reach New Zealand for repairs and resupply, before returning to Antarctica to rescue the seven surviving members of the shore party. (Full article...)
North and west sides of Capon Chapel viewed from the northwest lawn

Capon Chapel ( /ˈkeɪpən/ KAY-pən), also historically known as Capon Baptist Chapel and Capon Chapel Church, is a mid-19th century United Methodist church located near to the town of Capon Bridge, West Virginia, in the United States. Capon Chapel is one of the oldest existing log churches in Hampshire County, along with Mount Bethel Church and Old Pine Church.

A Baptist congregation was gathering at the site of the present-day church by at least 1756. Primitive Baptist minister John Monroe (1750–1824) is credited for establishing a place of worship at this site; he is interred in the church's cemetery. The land on which Capon Chapel was built originally belonged to William C. Nixon (1789–1869), a member of the Virginia House of Delegates; later, it was transferred to the Pugh family. The first documented mention of a church at the Capon Chapel site was in March 1852, when Joseph Pugh allocated the land to three trustees for the construction of a church and cemetery. (Full article...)
Storming of the breach by Prussian grenadiers, Carl Röchling

At the Battle of Leuthen, fought on 5 December 1757, Frederick the Great's Prussian army used maneuver and terrain to completely rout a larger Austrian force commanded by Prince Charles of Lorraine and Count Leopold Joseph von Daun. The victory ensured Prussia's control of Silesia during the Third Silesian War (part of the Seven Years' War).

The battle was fought at the town of Leuthen (now Lutynia, Poland), 10 km (6 mi.) northwest of Breslau, (now Wrocław, Poland), in then-Prussian (formerly Austrian) Silesia. By exploiting the training of his troops and his superior knowledge of the terrain, Frederick created a diversion at one end of the battlefield, and moved most of his small army behind a series of low hillocks. The surprise attack in oblique order on the unsuspecting Austrian flank baffled Prince Charles; the Prince took several hours to realize that the main action was to his left, and not to his right. Within seven hours, the Prussians destroyed the Austrian force, erasing any advantage the Austrians had gained throughout the campaigning in the preceding summer and autumn. Within 48 hours, Frederick had laid siege to Breslau, which resulted in that city's surrender on 19–20 December. (Full article...)
Literary Hall, viewed from the south, facing West Main Street in Romney

Literary Hall is a mid-19th-century brick library, building and museum located in Romney, a city in the U.S. state of West Virginia. It is located at the intersection of North High Street (West Virginia Route 28) and West Main Street (U.S. Route 50). Literary Hall was constructed between 1869 and 1870 by the Romney Literary Society.

Founded in 1819, the Romney Literary Society was the first literary organization of its kind in the present-day state of West Virginia, and one of the first in the United States. In 1846, the society constructed a building which housed the Romney Classical Institute and its library. The Romney Literary Society and the Romney Classical Institute both flourished and continued to grow in importance and influence until the onset of the American Civil War in 1861. (Full article...)
Columbia River from Rowena Crest Viewpoint with Interstate 84 along the right

The Columbia River (Upper Chinook: Wimahl or Wimal; Sahaptin: Nch’i-Wàna or Nchi wana; Sinixt dialect swah'netk'qhu) is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, Canada. It flows northwest and then south into the US state of Washington, then turns west to form most of the border between Washington and the state of Oregon before emptying into the Pacific Ocean. The river is 1,243 miles (2,000 km) long, and its largest tributary is the Snake River. Its drainage basin is roughly the size of France and extends into seven US states and a Canadian province. The fourth-largest river in the United States by volume, the Columbia has the greatest flow of any river entering the Pacific and the 36th greatest of any river in the world.

The Columbia and its tributaries have been central to the region's culture and economy for thousands of years. They have been used for transportation since ancient times, linking the region's many cultural groups. The river system hosts many species of anadromous fish, which migrate between freshwater habitats and the saline waters of the Pacific Ocean. These fish—especially the salmon species—provided the core subsistence for native peoples. (Full article...)
S. A. Andrée and Knut Frænkel with the balloon on the pack ice, photographed by the third expedition member, Nils Strindberg. The exposed film for this photograph and others from the failed 1897 expedition was recovered in 1930.

Andrée's Arctic balloon expedition of 1897 was an effort to reach the North Pole in which all three Swedish expedition members – S. A. Andrée, Knut Frænkel, and Nils Strindberg – perished. Andrée, the first Swedish balloonist, proposed a voyage by hydrogen balloon from Svalbard to either Russia or Canada, which was to pass, with luck, straight over the North Pole on the way. The scheme was received with patriotic enthusiasm in Sweden, a northern nation that had fallen behind in the race for the North Pole.

Andrée ignored many early signs of the dangers associated with his balloon plan. Being able to steer the balloon to some extent was essential for a safe journey. But there was much evidence that the drag-rope steering technique he had invented was ineffective. Yet Andrée staked the fate of the expedition on drag ropes. Worse, the polar balloon Örnen (Eagle) was delivered directly to Svalbard from its manufacturer in Paris without being tested. When measurements showed it to be leaking more than expected, Andrée refused to acknowledge the alarming implications. Most modern students of the expedition see Andrée's optimism, faith in the power of technology, and disregard for the forces of nature as the main factors in the series of events that led to his death and those of Strindberg and Frænkel. (Full article...)

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In this month

1 March 1910 – Saltspring Island re-titled to its current name according to records of Geographic Board of Canada
1 March 2007 – February–March 2007 tornado outbreak (pictured) hit Americus, Georgia, United States
9 March 1969 – Death of Walter Christaller, German geographer whose principal contribution to the discipline is Central Place Theory
25 March 1979 – Minor district in Bueng Sam Phan District, Thailand upgraded to full district

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Vital article

Vital articles to understand Geography.

Asia (/ˈeɪʒə, ˈeɪʃə/ (

listen)) is Earth's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres. It shares the continental landmass of Eurasia with the continent of Europe and the continental landmass of Afro-Eurasia with both Europe and Africa. Asia covers an area of 44,579,000 square kilometres (17,212,000 sq mi), about 30% of Earth's total land area and 8.7% of the Earth's total surface area. The continent, which has long been home to the majority of the human population, was the site of many of the first civilizations. Asia is notable for not only its overall large size and population, but also dense and large settlements, as well as vast barely populated regions. Its 4.5 billion people () constitute roughly 60% of the world's population. (Full article...)

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Selected pictures

Dymaxion map
Image: Chris Rywalt
An animation showing the unfolding of a Dymaxion map, a projection of a world map onto the surface of a polyhedron (in this case, an icosahedron) and then flattened to form a two-dimensional map which retains most of the relative proportional integrity of the globe map. This type of map was invented by Buckminster Fuller and is one of several of his inventions to use the name Dymaxion.
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Daedongyeojido
Map: Kim Jeong-ho
Daedongyeojido is a large scale map of Korea produced by Chosun Dynasty cartographer and geologist Kim Jeong-ho in 1861. Considered to mark the zenith of pre-modern Korean cartography, the map consists of 22 separate, foldable booklets, each covering approximately 47 kilometres (29 mi) (north-south) by 31.5 kilometres (19.6 mi) (east-west). Combined, they form a map of Korea that is 6.7 metres (22 ft) wide and 3.8 metres (12 ft) long. Daedongyeojido is praised for precise delineations of mountain ridges, waterways, and transportation routes, as well as its markings for settlements, administrative areas, and cultural sites.
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Geography of Africa
Photo: NASA
A composite satellite image of the geography of Africa, the Earth's second-largest continent, and its adjacent islands. Separated from Europe by the Mediterranean Sea and from much of Asia by the Red Sea, Africa is joined to Asia at its northeast extremity by the Isthmus of Suez. For geopolitical purposes, the Sinai Peninsula – east of the Suez Canal – is often considered part of Africa, although geographically it belongs in Asia. Africa can be divided into a number of geographic zones: The Atlas Mountains in the north, the Sahara, the coastal plains, and the inner plateaus.
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Topographic map of Florida
Map: Eric Gaba
A map showing the geography of Florida, a state in the United States. Situated on a peninsula between the Gulf of Mexico, the Atlantic Ocean, and the Straits of Florida, Florida has an extensive coastline. Its highest point, Britton Hill, is the lowest highpoint of any U.S. state. Florida is home to over 19 million people, living in 410 municipalities.
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Craig retroazimuthal projection
Map: Strebe, using Geocart
The Craig retroazimuthal is a modified cylindrical map projection created by James Ireland Craig in 1909. It preserves the direction from any place to one other, predetermined place while avoiding some of the distortion of the Hammer retroazimuthal projection. This projection is sometimes known as the Mecca projection because Craig, who had worked in Egypt as a cartographer, created it to help Muslims find the qibla.
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Winkel tripel projection
Map: Strebe, using Geocart
The 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.
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Alexander von Humboldt
Map: William C. Woodbridge; Restoration: Jujutacular and Lise Broer
An isothermal map of the world, based on the research of Alexander von Humboldt, a German naturalist whose work laid the foundation for the sciences of physical geography and meteorology, among other things. By delineating "isothermal lines", he simultaneously suggested the idea and devised the means of comparing the climatic conditions of various countries.
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Kavrayskiy VII projection
Map: Strebe, using Geocart
The Kavrayskiy VII projection is a map projection invented by Vladimir V. Kavrayskiy in 1939 as a general purpose pseudocylindrical projection. It produces maps with low overall distortion, despite its straight, evenly-spaced parallels and a simple formulation.
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Catalan Atlas
Map credit: Abraham Cresques
The Catalan Atlas is a medieval map in the Catalan language, created in 1375. Described as "the zenith of medieval map-work", it is the earliest known chart to use a compass rose. It was produced by the Majorcan cartographic school and is attributed to Abraham Cresques, a Jewish book illuminator described by a contemporary as a master of mappae mundi. It has been in the royal library of France (now the Bibliothèque nationale de France) since the time of King Charles V. The atlas originally consisted of six vellum leaves, each about 64.5 by 50 cm (25.4 by 19.7 in), folded vertically and painted in various colours including gold and silver. This picture is a montage of eight pages (four leaves) of the atlas, depicting Europe, northern Africa and Asia.
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Robinson projection
Map credit: Central Intelligence Agency
The 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.
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Geography of Germany
Map credit: Lencer and NordNordWest
A general map, showing the geography of Germany, the seventh largest country in Europe and the second most populous. Located in Central Europe, Germany is second only to Russia in the number of borders it shares with other European countries (9).
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Olmec heartland
Map: Madman2001
A map of the Olmec heartland, the southern portion of Mexico's Gulf Coast region between the Tuxtla mountains and the Olmec archaeological site of La Venta. It is considered the heartland of the Olmec culture, which was widespread over Mesoamerica from 1400 BCE until roughly 400 BCE.

On this map, yellow dots represent ancient habitation sites, including San Lorenzo Tenochtitlán, La Venta, and Tres Zapotes. Red dots represent isolated artifact finds unassociated with any ancient town or village, such as the Las Limas Monument 1, the San Martín Pajapan Monument 1, and "The Wrestler".
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Iberian cartography, 1400–1600
Map: Jorge de Aguiar
A portolan chart from 1492, the oldest known signed and dated chart of Portuguese origin. Cartography technologies greatly advanced during the Age of Discovery. Iberian mapmakers in particular focused on practical charts to use as navigational aids. Unlike Spanish maps which were regarded as state secrets, Portuguese ones were used by other countries, and Portuguese cartographers drew upon the skill and knowledge of other cultures as well.
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Albers projection
Map: Strebe, using Geocart
The Albers projection is a conic, equal area map projection, named after Heinrich C. Albers, that uses two standard parallels. Although scale and shape are not preserved, distortion is minimal between the standard parallels. This map is used by such agencies as the United States Geological Survey, the United States Census Bureau, and the governments of British Columbia and Yukon.
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World map
Map: Gerard van Schagen
A world map entitled Nova totius terrarum orbis tabula Amstelodami, created in 1689 by Gerard van Schagen. This map, created in Amsterdam, measures 48.3 by 56.0 centimetres (19.0 by 22.0 in) in size and was made using copper engraving.
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Featured biography

Featured biography articles in geography

Portrait of Caspar David Friedrich, Gerhard von Kügelgen c. 1810–1820

Caspar David Friedrich (5 September 1774 – 7 May 1840) was a 19th-century German Romantic landscape painter, generally considered the most important German artist of his generation. He is best known for his mid-period allegorical landscapes which typically feature contemplative figures silhouetted against night skies, morning mists, barren trees or Gothic ruins. His primary interest was the contemplation of nature, and his often symbolic and anti-classical work seeks to convey a subjective, emotional response to the natural world. Friedrich's paintings characteristically set a human presence in diminished perspective amid expansive landscapes, reducing the figures to a scale that, according to the art historian Christopher John Murray, directs "the viewer's gaze towards their metaphysical dimension".

Friedrich was born in the town of Greifswald on the Baltic Sea in what was at the time Swedish Pomerania. He studied in Copenhagen until 1798, before settling in Dresden. He came of age during a period when, across Europe, a growing disillusionment with materialistic society was giving rise to a new appreciation of spirituality. This shift in ideals was often expressed through a reevaluation of the natural world, as artists such as Friedrich, J. M. W. Turner and John Constable sought to depict nature as a "divine creation, to be set against the artifice of human civilization". (Full article...)

More featured biographies
Pierre Rossier Zhang Heng Edward Wright (mathematician) Emery Molyneux Daniel Boone Albert Stanley, 1st Baron Ashfield Robert Hues Alfred Russel Wallace Mary Anning Edward Drinker Cope Georg Forster David A. Johnston Richard Hakluyt James Tod Shen Kuo Fridtjof Nansen Clements Markham

Did you know...

Did you know it about Geography?

... that during the collision of India with Asia, the southern part of the Tibetan Plateau achieved its high elevation before the northern part?
... that although Constance Kies was a nutrition scientist, she majored in English, and minored in history, geography, library science, and home economics?
... that the dark and fatalistic humour of Canadian comedians has been attributed to the dangers of Canada's climate and geography?
... that the first known paravian dinosaurs were from China, but they now live on every continent?