Physiographic regions are a means of defining Earth 's landforms into independently distinct, mutually exclusive areas, independent of political boundaries. It is based upon the classic three-tiered approach by Nevin M. Fenneman in 1916, that separates landforms into physiographic divisions, physiographic provinces , and physiographic sections.
51-465: A papadam (also spelled poppadom , among other variants), also known as papad , is a snack that originated in the Indian subcontinent . Dough of black gram bean flour is either deep fried or cooked with dry heat (flipped over an open flame) until crunchy. Other flours made from lentils , chickpeas , rice , tapioca , millet or potato are also used. Papadam is typically served as an accompaniment to
102-411: A concept of physiographic regions while a conflicting trend among geographers was to equate physiography with "pure morphology," separated from its geological heritage. In the period following World War II, the emergence of process, climatic, and quantitative studies led to a preference by many Earth scientists for the term "geomorphology" in order to suggest an analytical approach to landscapes rather than
153-575: A continent". Its use to signify the Indian subcontinent is evidenced from the early twentieth century when most of the territory was either part of the British Empire or allied with them. It was a convenient term to refer to the region comprising both British India and the princely states . The term has been particularly common in the British Empire and its successors, while the term South Asia
204-437: A descriptive one. In current usage, physiography still lends itself to confusion as to which meaning is meant, the more specialized "geomorphological" definition or the more encompassing "physical geography" definition. For the purposes of physiographic mapping, landforms are classified according to both their geologic structures and histories. Distinctions based on geologic age also correspond to physiographic distinctions where
255-477: A flour or paste derived from lentils, chickpeas, black gram, rice, or potatoes. Salt and peanut oil are added to make a dough, which can be flavored with seasonings such as chili , cumin , garlic , or black pepper . Sometimes, baking soda or slaked lime are also added. The dough is shaped into thin, round flatbreads , dried (traditionally in the sun), and can be cooked by deep frying , roasting over an open flame , toasting, or microwaving , depending on
306-557: A meal in India , Pakistan , Bangladesh , Nepal , Sri Lanka and the Caribbean or as an appetizer , often with a dip such as chutneys , or toppings such as chopped onions and chili peppers , or it may be used as an ingredient in curries . Papadam is a loanword from Tamil பப்படம் pappaṭam , and is likely derived from Sanskrit पर्पट parpaṭa , meaning a flattened disc described in early Jain and Buddhist literature. Papad
357-510: A part of South Asia, is usually not included in the Indian subcontinent. Maldives, an island country consisting of a small archipelago southwest of the peninsula, while largely considered a part of the Indian subcontinent, sometimes is mentioned by sources, including the International Monetary Fund , as a group of islands away from the Indian subcontinent in a south-western direction. The population of Indian subcontinent
408-579: A popular geographical tool in the United States, indicated by the publication of a USGS shapefile that maps the regions of the original work and the National Park Services's use of the terminology to describe the regions in which its parks are located. Originally used in North America , the model became the basis for similar classifications of other continents. During the early 1900s,
459-415: A river or a no man's land . The precise definition of an "Indian subcontinent" in a geopolitical context is somewhat contested as there is no globally accepted definition on which countries are a part of South Asia or the Indian subcontinent. Whether called the Indian subcontinent or South Asia, the definition of the geographical extent of this region varies. Afghanistan , despite often considered as
510-408: A small amount of vegetable oil and a food-grade alkali, and the mixture is kneaded. A well-kneaded dough is then flattened into very thin rounds and then dried and stored for later preparation and consumption. It may also contain rice, jackfruit , sago , etc., as main ingredients. Cracked black pepper, red chili powder, asafoetida , cumin or sesame seeds are often used as flavoring agents. Papadam
561-752: Is about 1.912 billion which makes it the most populated region in the world. It is socially very mixed, consisting of many language groups and religions, and social practices in one region that are vastly different from those in another. [REDACTED] Media related to Indian subcontinent at Wikimedia Commons [REDACTED] Africa [REDACTED] Antarctica [REDACTED] Asia [REDACTED] Australia [REDACTED] Europe [REDACTED] North America [REDACTED] South America [REDACTED] Afro-Eurasia [REDACTED] Americas [REDACTED] Eurasia [REDACTED] Oceania Physiographic region The classification mechanism has become
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#1733104295574612-623: Is also made from rice flakes, ragi or horsegram . Indian subcontinent The Indian subcontinent is a physiographical region in Southern Asia , mostly situated on the Indian Plate , projecting southwards into the Indian Ocean from the Himalayas . Geographically, it spans the countries of Bangladesh , Bhutan , India , Maldives , Nepal , Pakistan , and Sri Lanka . Although
663-475: Is an indivisible geographical entity." According to geographer Dudley Stamp , "There is perhaps no mainland part of the world better marked off by nature as a region or a 'realm' by itself than the Indian subcontinent." This natural physical landmass in South Asia is the dry-land portion of the Indian Plate , which has been relatively isolated from the rest of Eurasia. The Himalayas (from Brahmaputra River in
714-469: Is intimately associated with certain branches of geology, as sedimentation , while geomorphology connects physiography with geography. The dynamic interlude representing the active phase of physiography weaves the basic threads of geologic history." The U.S. Geological Survey defines physiography as a study of "Features and attributes of earth's land surface", while geomorphology is defined separately as "Branch of geology dealing with surface land features and
765-1124: Is known by several names in the various languages of India , e.g. पापड़ pāpaṛ in Hindi ; అప్పడం appaḍaṁ in Telugu ; அப்பளம் appaḷam or பப்படம் pappaṭam in Tamil ; ಹಪ್ಪಳ happaḷa in Kannada ; පපඩම් papaḍam in Sinhala ; പപ്പടം pappaṭam in Malayalam ; पापड pāpaḍ in Marathi ; ਪਾਪੜ pāpaṛ in Punjabi ; પાપડ pāpaḍ in Gujarati ; ପାମ୍ପଡ pāmpaḍa in Odia ; and পাপড় pāpaḍ in Assamese . Papad recipes vary from region to region and from household to household. They are typically made from
816-464: Is sometimes as the science which describes and explains the physical features of the earth's surface". By 1911, the definition of physiography in Encyclopædia Britannica had evolved to be "In popular usage the words 'physical geography' have come to mean geography viewed from a particular standpoint rather than any special department of the subject. The popular meaning is better conveyed by
867-479: Is the more common usage in Europe and North America. According to historians Sugata Bose and Ayesha Jalal , the Indian subcontinent has come to be known as South Asia "in more recent and neutral parlance". Indologist Ronald B. Inden argues that the usage of the term South Asia is becoming more widespread since it clearly distinguishes the region from East Asia. While South Asia , a more accurate term that reflects
918-755: Is the only subregion of Asia that lies partly within the Southern Hemisphere : the British Indian Ocean Territory two of the 26 atolls of the Maldives lie entirely within the Southern Hemisphere. Historically, the region surrounding and southeast of the Indus River was often simply referred to as "India" in many historical sources. Even today, historians use this term to denote the entire Indian subcontinent when discussing history up until
969-668: The Eocene , forming the Indian subcontinent. The zone where the Eurasian and Indian subcontinent plates meet remains geologically active, prone to major earthquakes. Physiographically , it is a peninsular region in South Asia delineated by the Himalayas in the north, the Hindu Kush in the west, and the Arakanese in the east. It extends southward into the Indian Ocean with the Arabian Sea to
1020-714: The Hindu Kush in the west, and the Indo-Burman Ranges in the east. The neighboring geographical regions around the subcontinent include the Tibetan Plateau to the north, the Indochinese Peninsula to the east, the Iranian Plateau to the west, and the Indian Ocean to the south. Apart from Maritime Southeast Asia (the Malay Archipelago ), the maritime region of the subcontinent ( littoral South Asia )
1071-521: The spread of Buddhism out of the subcontinent into other parts of Asia. The Islamic expansion arrived into the subcontinent in two ways: through Afghanistan on land, and to the Indian coast through the maritime routes on the Arabian Sea. In terms of modern geopolitical boundaries, the subcontinent constitutes Bangladesh , Bhutan , India, Nepal , and Pakistan , besides, by convention, the island country of Sri Lanka and other nearby island nations of
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#17331042955741122-611: The supercontinent of Gondwana during the Cretaceous and merged with the landmass of Eurasia nearly 55 million years ago, forming the Himalayas. It is one of the most populated regions in the world, holding roughly 20–25 percent of the global population. Geographically, the peninsular region in Southern Asia is located below the Third Pole , delineated by the Himalayas in the north,
1173-400: The 21st century, some confusion remains as to exactly what "physiography" is. One source states "Geomorphology includes quaternary geology, physiography and most of physical geography", treating physiography as a separate field, but subservient to geomorphology. Another source states "Geomorphology (or physiography) refers to the study of the surface features of the earth. It involves looking at
1224-450: The Indian Ocean, such as Maldives and the British Indian Ocean Territory . Unlike "South Asia", sometimes the expression "Indian subcontinent" may exclude the islands of Maldives and Sri Lanka. According to Pawan Budhwar, Arup Varma, and Manjusha Hirekhan, India, Pakistan, Bangladesh, Sri Lanka, Nepal and Bhutan constitute the Indian subcontinent. Budhwar, Varma, and Hirekhan also maintain that with Afghanistan and Maldives included
1275-683: The Indian Plate over the Réunion hotspot during the Cretaceous and early Cenozoic times. The Maldives archipelago rises from a basement of volcanic basalt outpourings from a depth of about 2000 m forming the central part of the ridge between Laccadives and the Great Chagos Bank . According to anthropologist Patrap C. Dutta, "the Indian subcontinent occupies the major landmass of South Asia." According to historian B. N. Mukherjee , "The subcontinent
1326-645: The border (between the Sulaiman Range and the Chaman Fault) is the western boundary of the Indian Plate, where, along the Eastern Hindu Kush, lies the Afghanistan–Pakistan border. In the east, it is bounded by Patkai , Naga , Lushai and Chin hills. The Indian Ocean, Bay of Bengal and the Arabian Sea form the boundary of the Indian subcontinent in the south, south-east and south-west. Given
1377-403: The case. A maturely dissected plateau may grade without a break from rugged mountains on the one hand to mildly rolling farm lands on the other. So also, forms which are not classified together may be superficially similar; for example, a young coastal plain and a peneplain . In a large number of cases, the boundary lines are also geologic lines, due to differences in the nature or structure of
1428-432: The classical and pre-modern sense. The sport of cricket is notably popular in India , Pakistan , Sri Lanka , Nepal and Bangladesh . Within a cricket context, these countries are often referred to simply as the subcontinent around the world e.g. " Australia's tour of the subcontinent". The word is also sometimes used as an adjective in this context e.g. "subcontinental conditions". The Indian subcontinent
1479-422: The definition of the term physiography. "In England, physiography is regarded as the introduction to physical science in general. It is made to include the elements of physics , chemistry , astronomy , physical geography, and geology , and sometimes even certain phases of botany and zoology . In America, the term has a somewhat different meaning. It is sometimes used as a synonym for physical geography, and
1530-464: The desired texture. In most Indian restaurants around the world, they are served as an appetizer with dips, which often include mango chutney , lime pickle , onion chutney , and raita . Masala papad with sev , onion, tomato and coriander leaves is one of India's most popular appetizers. Papadam can be prepared from different ingredients and methods. One popular recipe uses flour ground from hulled split black gram mixed with black pepper, salt,
1581-476: The difficulty of passage through the Himalayas, the sociocultural, religious and political interaction of the Indian subcontinent has largely been through the valleys of Afghanistan in its northwest, the valleys of Manipur in its east, and by maritime routes . More difficult but historically important interaction has also occurred through passages pioneered by the Tibetans . These routes and interactions have led to
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1632-401: The distribution of land, water, soil and rock material that forms the land surface. Land is closely linked to the geomorphology of a particular landscape", regarding physiography as synonymous with geomorphology. Yet another source states "Physiography may be viewed from two distinct angles, the one dynamic, the other passive". The same source continues by stating "In a large fashion geodynamics
1683-533: The east to Indus River in the west), Karakoram (from Indus River in the east to Yarkand River in the west) and the Hindu Kush mountains (from Yarkand River westwards) form its northern boundary. In the west it is bounded by parts of the mountain ranges of Hindu Kush , Spīn Ghar (Safed Koh), Sulaiman Mountains , Kirthar Mountains , Brahui range, and Pab range among others, with the Western Fold Belt along
1734-577: The era of the British Raj. Over time, however, "India" evolved to refer to a distinct political entity that eventually became a nation-state (today the Republic of India). According to the Oxford English Dictionary , the term subcontinent signifies a "subdivision of a continent which has a distinct geographical, political, or cultural identity" and also a "large land mass somewhat smaller than
1785-418: The facts of mathematical geography, and the three are so closely inter-related that they cannot be rigidly separated in any discussion". The 1919 edition of The Encyclopedia Americana: A Library of Universal Knowledge further adjusted the definition to be "Physiography (geomorphology), now generally recognized as a science distinct from geology, deals with the origins and development of land forms, traces out
1836-532: The field. In Germany, Oscar Peschel in 1870, proposed that geographers should study the morphology of the Earth's surface, having an interest in the study of landforms for the development of human beings. As the chair of geography (and a geologist by training) in Bonn, Germany, Ferdinand von Richthofen made the study of landforms the main research field for himself and his students. Elsewhere, Thomas Henry Huxley 's Physiography
1887-400: The forms are so recent as to be in their first erosion cycle , as is generally the case with sheets of glacial drift . Generally, forms which result from similar histories are characterized by certain similar features, and differences in history result in corresponding differences of form, usually resulting in distinctive features which are obvious to the casual observer, but this is not always
1938-447: The processes of contemporary change in the crust and the circulation of the fluid envelopes. It thus draws upon physics for the explanation of the phenomena with the space-relations of which it is specially concerned. Physical geography naturally falls into three divisions, dealing respectively with the surface of the lithosphere – geomorphology; the hydrosphere – oceanography ; and the atmosphere – climatology . All these rest upon
1989-489: The processes that create and change them". Partly due to this confusion over what "physiography" actually means, some scientists have refrained from using the term physiography (and instead use the similar term geomorphology) because the definitions vary from the American Geological Institute's "the study and classification of the surface features of Earth on the basis of similarities in geologic structure and
2040-420: The region is referred to as South Asia. The periphery of the subcontinent, including Bangladesh, Pakistan, and the island chains of Maldives, features large Muslim populations, while the heartland, including most of India, Nepal, and Sri Lanka, are overwhelmingly Hindu or Buddhist. Since most of these countries are located on the Indian Plate, a continuous landmass , the borders between countries are often either
2091-456: The region's contemporary political demarcations, is replacing the Indian subcontinent , a term closely linked to the region's colonial heritage, as a cover term, the latter is still widely used in typological studies. Since the Partition of India , citizens of Pakistan (which became independent of British India in 1947) and Bangladesh (which became independent of Pakistan in 1971) often perceive
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2142-579: The southwest and the Bay of Bengal to the southeast. Most of this region rests on the Indian Plate and is isolated from the rest of Asia by large mountain barriers. Laccadive Islands , Maldives and the Chagos Archipelago are three series of coral atolls , cays and Faroes on the Indian Plate along with the Chagos–Laccadive Ridge , a submarine ridge that was generated by the northern drift of
2193-401: The study of regional-scale geomorphology was termed "physiography". Physiography later was considered to be a portmanteau of " physi cal" and "ge ography ", and therefore synonymous with physical geography , and the concept became embroiled in controversy surrounding the appropriate concerns of that discipline. Some geomorphologists held to a geological basis for physiography and emphasized
2244-444: The terms "Indian subcontinent" and "South Asia" are often used interchangeably to denote the region, the geopolitical term of South Asia frequently includes Afghanistan , which is not considered a part of the subcontinent, while excluding the British Indian Ocean Territory which is geologically associated with the subcontinent. Geologically, the subcontinent originates from Insular India , an isolated landmass that rifted from
2295-434: The topographic expression of structure, and embodies a logical history of oceanic basins, and continental elevations; of mountains , plateaus and plains ; of hills and valleys. Physical geography is used loosely as a synonym, but the term is more properly applied to the borderland between geography and physiography; dealing, as it does, largely with the human element as influenced by its physiographic surroundings". Even in
2346-484: The underlying rocks. The history of "physiography" itself is at best a complicated effort. Much of the complications arise from how the term has evolved over time, both as its own 'science' and as a synonym for other branches of science. In 1848, Mary Somerville published her book Physical Geography which gave detailed descriptions of the topography of each continent, along with the distribution of plant, animals and humans. This work gave impetus to further works along
2397-438: The use of the Indian subcontinent as offensive and suspicious because of the dominant placement of India in the term. As such it is being increasingly less used in those countries. Meanwhile, many Indian analysts prefer to use the term because of the socio-cultural commonalities of the region. The region has also been called the "Asian subcontinent", the "South Asian subcontinent", as well as "India" or " Greater India " in
2448-470: The word physiography, a term which appears to have been introduced by Linnaeus , and was reinvented as a substitute for the cosmography of the Middle Ages by Professor Huxley. Although the term has since been limited by some writers to one particular part of the subject, it seems best to maintain the original and literal meaning. In the stricter sense, physical geography is that part of geography which involves
2499-541: Was formerly part of Gondwana , a supercontinent formed during the late Neoproterozoic and early Paleozoic . Gondwana began to break up during the Mesozoic , with Insular India separating from Antarctica 130-120 million years ago and Madagascar around 90 million years ago, during the Cretaceous . Insular India subsequently drifted northeastwards, colliding with the Eurasian Plate nearly 55 million years ago, during
2550-594: Was published in 1877 in Britain . Shortly after, the field of "physical geography" itself was renamed as "physiography". Afterwards, physiography became a very popular school subject in Britain, accounting for roughly 10% of all examination papers in both English and Welsh schools, and physiography was now regarded as an integral, if not the most important aspect of geography. In conjunction with these 'advances' in physiography, physically and visually mapping these descriptive areas
2601-641: Was underway as well. The early photographers and balloonists, Nadar and Triboulet, experimented with aerial photography and the view it provided of the landscape. In 1899, Albert Heim published his photographs and observations made during a balloon flight over the Alps; he is probably the first person to use aerial photography in geomorphological or physiographical research. The block diagrams of Fenneman, Raisz, Lobeck and many others were based in part upon both aerial photography and topographic maps, giving an oblique "birds-eye" view. By 1901, there were clear differences in
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