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A landform in the earth sciences and geology sub-fields, comprises a geomorphological unit, and is largely defined by its surface form and location in the landscape, as part of the terrain, and as such, is typically an element of topography. Landform elements also include seascape and oceanic waterbody interface features such as bays, peninsulas, seas and so forth, including sub-aqueous terrain features such as submersed mountain ranges, volcanoes, and the great ocean basins.

Physical characteristics[link]

Landforms are categorised by characteristic physical attributes such as elevation, slope, orientation, stratification, rock exposure, and soil type.

Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas and numerous other structural and size-scaled (i.e. ponds vs. lakes, hills vs. mountains) elements including various kinds of inland and oceanic waterbodies and sub-surface features.

This panorama in Great Smoky Mountains National Park has the readily identifiable physical features of a rolling plain, actually part of a broad valley, distant foothills, and a backdrop of the old, much weathered Appalachian mountain range

Hierarchy of classes[link]

Oceans and continents exemplify the highest-order landforms. Landform elements are parts of a high-order landforms that can be further identified and systematically given a cohesive definition such as hill-tops, shoulders, saddles, foreslopes and backslopes.

Some generic landform elements including: pits, peaks, channels, ridges, passes, pools and plains, may be extracted from a digital elevation model using some automated techniques where the data has been gathered by modern satellites and stereoscopic aerial surveillance cameras.^[1] Until recently, compiling the data found in such data sets required time consuming and expensive techniques of many man-hours.

Terrain (or relief) is the third or vertical dimension of land surface. Topography is the study of terrain, although the word is often used as a synonym for relief itself. When relief is described underwater, the term bathymetry is used. In cartography, many different techniques are used to describe relief, including contour lines and TIN (Triangulated irregular network).

Elementary landforms (segments, facets, relief units) are the smallest homogeneous divisions of the land surface, at the given scale/resolution. These are areas with relatively homogenous morphometric properties, bounded by lines of discontinuity. A plateau or a hill can be observed at various scales ranging from few hundred meters to hundreds of kilometers. Hence, the spatial distribution of landforms is often scale-dependent as is the case for soils and geological strata.

A number of factors, ranging from plate tectonics to erosion and deposition, can generate and affect landforms. Biological factors can also influence landforms— for example, note the role of vegetation in the development of dune systems and salt marshes, and the work of corals and algae in the formation of coral reefs.

Landforms do not include man-made features, such as canals, ports and many harbors; and geographic features, such as deserts, forests, grasslands, and impact craters.

Many of the terms are not restricted to refer to features of the planet Earth, and can be used to describe surface features of other planets and similar objects in the Universe. Examples are mountains, hills, polar caps, and valleys, which are found on all of the terrestrial planets.

See also[link]

• List of landforms
• Terrain

References[link]

Wikimedia Commons has media related to: Landforms

Look up landform in Wiktionary, the free dictionary.

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There are many people in history who are commonly appended with the phrase "the Great", or who were called that or an equivalent phrase in their own language. Other languages have their own suffixes such as e Bozorg and e azam in Persian and Urdu respectively.

In Persia, the title "the Great" at first seems to be a colloquial version of the Old Persian title "Great King". This title was first used by the conqueror Cyrus II of Persia.^[1]

The Persian title was inherited by Alexander III of Macedon (336–323 BC) when he conquered the Persian Empire, and the epithet "Great" eventually became personally associated with him. The first reference (in a comedy by Plautus)^[2] assumes that everyone knew who "Alexander the Great" was; however, there is no earlier evidence that Alexander III of Macedon was called "the Great".

The early Seleucid kings, who succeeded Alexander in Persia, used "Great King" in local documents, but the title was most notably used for Antiochus the Great (223–187 BC).

Later rulers and commanders began to use the epithet "the Great" as a personal name, like the Roman general Pompey. Others received the surname retrospectively, like the Carthaginian Hanno and the Indian emperor Ashoka the Great. Once the surname gained currency, it was also used as an honorific surname for people without political careers, like the philosopher Albert the Great.

As there are no objective criteria for "greatness", the persistence of later generations in using the designation greatly varies. For example, Louis XIV of France was often referred to as "The Great" in his lifetime but is rarely called such nowadays, while Frederick II of Prussia is still called "The Great". A later Hohenzollern - Wilhelm I - was often called "The Great" in the time of his grandson Wilhelm II, but rarely later.

Rulers[link]

• Abbas I of Persia (1571–1629), Shah of Iran
• Akbar (1542–1605), ruler of the Mughal Empire of South Asia, mainly India
• Alain I of Albret (1440–1522), French aristocrat
• Alexander the Great (356-323 BC), King of Macedonia, Persia, Greece, Egypt, and all of Mesopotamia
• Alexander I of Georgia (1386–1446), King of Georgia
• Alfonso III of León (c. 848-910), King of León, Galicia and Asturias
• Alfred the Great (848/849-899), King of Wessex
• Antiochus III the Great (c. 241–187 BC), ruler of the Seleucid Empire
• Ashoka the Great (c. 304–232 BC), Indian emperor of the Maurya dynasty
• Ashot I of Iberia “the Greatâ€�(died 826/830), presiding prince of Iberia (modern Georgia),
• Askia Mohammad I (c. 1442–1538), ruler of the Songhai Empire
• Bhumibol Adulyadej (born 1927), King of Thailand
• BolesÅ‚aw I Chrobry (967-1025), sometimes called "the Great", first King of Poland
• Bruno the Great (925–965), Archbishop of Cologne and Duke of Lotharingia (also listed in the following section)
• Buddha Yodfa Chulaloke (1736–1809), founder and ruler of the Rattanakosin Kingdom (in what is now Thailand)
• Cnut the Great (c. 985 or 995-1035), King of Denmark, England, Norway and parts of Sweden
• Casimir III the Great (1310–1370), King of Poland
• Catherine the Great (1729–1796), Empress of Russia
• Chandragupta II (reigned 375-413/415), also known as Vikramaditya, ruler of the Gupta empire in India
• Charlemagne (died 814), King of the Franks and Emperor of the Romans
• Chulalongkorn (1853–1910), King of Siam (now Thailand)
• Chlothar II (584-629), King of Neustria and King of the Franks
• Conrad, Margrave of Meissen (c. 1097-1157), Margrave of Meissen
• Constantine I (c. 272-337), Roman emperor
• Cyaxares the Great (c. 625-585 BC), third king of Media
• Cyrus the Great (c. 600 BC or 576 BC–530 BC), founder and ruler of the Persian or Achaemenid Empire
• Darius the Great (550 – 486 BC), third ruler of the Persian Empire
• Devapala (died 850), ruler of the Pala Empire in the Indian subcontinent
• Dionysius I, Greek tyrant of Syracuse^[3]
• Ferdinand I of León and Castile (c. 1015–1065), King of León and Count of Castile
• Frederick the Great (1712–1786), King of Prussia
• Genghis Khan (1162?-1227), founder and Great Khan of the Mongol Empire
• Gero (c. 900–965), ruler of Marca Geronis, a very large march in Europe
• Gustavus Adolphus of Sweden (1594–1632), King of Sweden, founder of the Swedish Empire, and noted military leader
• Gwanggaeto the Great, King of Goguryeo, one of the Three Kingdoms of Korea^[4][5]
• Hanno the Great, the name of three leaders of Carthage, in the 4th, 3rd, and 2nd centuries BC
• Henry I, Duke of Burgundy (946–1002)
• Henry IV of France (1553–1610), King of France and King of Navarre
• Herod the Great (73/74 BC-4 BC), King of Judea
• Hugh the Great (898-956), Duke of the Franks and Count of Paris
• Hugh Magnus of France (1007–1025), co-King of France
• Hugh I, Count of Vermandois (1057–1101)
• Humphrey I de Bohun (died c. 1123), Anglo-Norman aristocrat
• Ivan III of Russia (1440–1505), Tsar of Russia
• John I of Portugal (1358–1433), King of Portugal and the Algarve
• John II of Aragon (1398–1479), King of Aragon and, through his wife, King of Navarre
• Justinian I (483-565), Byzantine Emperor
• Kamehameha I (c. 1758-1819), first King of Hawai'i
• Kanishka (died c. 127), ruler of the Kushan Empire in Central Asia and parts of India
• Kvirike III of Kakheti (1010–1029), King of Kakheti in eastern Georgia
• Kublai Khan (1215–1294), Mongol ruler in the 13th century and Emperor of China; founder of the Yuan Dynasty
• Llywelyn the Great (c. 1172–1240), Prince of Gwynedd and de facto ruler of most of Wales
• Louis I of Hungary (1326–1382), King of Hungary, Croatia and Poland
• Mangrai the Great (1238–1317), Lanna, northern Thailand
• Emperor Meiji (1852–1912), Emperor of Japan
• Mircea I of Wallachia (1355–1418)
• Mithridates II of Parthia (died 88 BC), ruler of the Parthian Empire (in present day Iran)
• Mithridates VI of Pontus (134 BC–63 BC), ruler of Pontus and the Bosporan Kingdom
• Mstislav I of Kiev (1076–1132), Grand Prince of Kievan Rus
• Naresuan (1555–1605), King of Ayutthaya
• Narai (1633–1688), King of Ayutthaya (in what is now modern Thailand)
• Odo the Great (died c. 735), Duke of Aquitaine
• Otto I, Holy Roman Emperor (912-973)
• K'inich Janaab' Pakal (603-683), ruler of the Mayan city-state of Palenque
• Parakramabahu I of Polonnaruwa (1123–1186), King of Sri Lanka
• Peter KreÅ¡imir IV of Croatia (died 1075), King of Croatia
• Peter the Great (1672–1725), Tsar of Russia
• Peter III of Aragon (1239–1285), King of Aragon and King of Sicily
• Pompey (106 BC-48 BC), military and political leader of the late Roman Republic, rival of Julius Caesar
• Radama I (1793–1828), first king of greater Madagascar
• Raja Raja Chola I (c. 947-1014), Indian emperor of the Cholas.^[6][7][8]
• Rajendra Chola I (reigned 1014–1044), Tamil King of India
• Ramesses II (reigned 1279 BC – 1213 BC), considered the greatest pharaoh of Ancient Egypt
• Ram Khamhaeng (around 1237 to 1247-1298), King of Sukhothai (in present day Thailand)
• Ramon Berenguer III, Count of Barcelona (1082–1131), also Count of Provence and various other counties
• Rhodri the Great (c. 820–878), King of Gwynedd (in present day Wales)
• Roman the Great (after 1160-1205), Grand Prince of Kiev
• Saladin (c. 1138-1193), Kurdish Sultan of Egypt and Syria, founder of the Ayyubid dynasty, and victor over the Crusaders
• Samudragupta (c. 335–375), ruler of the Gupta empire in the Indian subcontinent
• Sancho III of Navarre (c. 992-1035), King of Kingdom of Navarre
• Sargon of Akkad (died c. 2215 BC), ruler of the Akkadian Empire
• Sejong the Great (1397–1450), Korean king^[9]
• Shapur II (309-379), king of the Sassanid Empire, Persia
• Simeon I of Bulgaria (864/865-927), ruler of the First Bulgarian Empire
• Stephen III of Moldavia (1433–1504), Prince of Moldavia (Romania)
• Stephen UroÅ¡ IV DuÅ¡an of Serbia (c. 1308-1355), King of Serbia and Emperor of the Serbs and Greeks
• Taksin (1734–1782), King of the Thonburi Kingdom (Thailand)
• Tamar (1160-1123), Queen of the Georgian Empire
• Timur (1336–1405), better known as Tamerlane, founder of the Timurid Dynasty
• Theobald II, Count of Champagne (1090–1151), Count of Blois and of Chartres as Theobald IV, Count of Champagne and of Brie
• Theodoric the Great (454-526), King of the Ostrogoths, regent of the Visigoths and a viceroy of the Byzantine Empire
• Theodosius I (347-395), Roman emperor
• Tigranes the Great (140-55 BC), Emperor of Armenia
• Tiridates III of Armenia (285-339), King of Armenia
• Umar (c. 586 to 590–644), second caliph of the Muslim Empire
• Valdemar I of Denmark (1131–1182), King of Denmark
• Valentinian I (364-375), Roman Emperor
• Vladimir I of Kiev (c. 958-1015), ruler of Kievan Rus
• Vytautas (c. 1350-1430), archduke of the Lithuanian Grand Duchy
• William I, Count of Burgundy (1020–1087), Count of Burgandy and Mâcon
• William V, Duke of Aquitaine (969-1030), also Count of Poitou
• Xerxes I (519-465 BC), King of Kings of the Achaemenid Empire (Persia)
• Yu the Great (c. 2200-2100 BC), legendary ruler in ancient China

Religious figures[link]

• Abraham the Great of Kashkar (ca. 492-586), monk and saint of the Assyrian Church of the East
• Abraham Kidunaia (died c. 366, hermit, priest, and Christian saint of Mesopotamia
• Albertus Magnus (1193/1206–1280), medieval German philosopher and theologian
• Anthony the Great (c. 251–356), early Christian saint of Egypt
• Babai the Great (c. 551–628), Assyrian church leader
• Basil of Caesarea (330-379), Greek bishop and theologian
• Bruno the Great (925–965), Archbishop of Cologne and Duke of Lotharingia (also listed in the previous section)
• Euthymius the Great (377-473), abbot and Roman Catholic and Eastern Orthodox saint
• Gertrude the Great (1256-c. 1302), German Benedictine, mystic, theologian and Roman Catholic saint
• Pope Gregory I (c. 540-604)
• Hiyya the Great, 3rd-century rabbi, Palestine
• Pope John Paul II (1920–2005)
• Pope Leo I (c. 391 or 400-461)
• Macarius of Egypt (c. 300-391), Egyptian hermit
• Pope Nicholas I (c. 800-867)
• Photius I of Constantinople (c. 810–c. 893), Eastern Orthodox saint and Patriarch of Constantinople
• William of Maleval (died 1157), founder of the Catholic congregation of Williamites

Other[link]

• Beli Mawr, a figure in medieval Welsh literature and genealogies
• Emmy the Great, folk singer
• Matteo Rosso the Great, Roman politician and father of Pope Nicholas III
• Prokop the Great, Hussite general in Bohemia

See also[link]

• Epithet
• List of monarchs by nickname
• List of nicknames of European Royalty and Nobility: G-I
• James, son of Zebedee, also known as James the Greater, one of the twelve apostles of Jesus
• Ajax (mythology), called Ajax the Greater
• Mohandas Karamchand Gandhi, whose common honorific "Mahatma" means "Great Soul"

Notes[link]