Physiographic sentence example

physiographic
  • North Dakota lies in the Prairie Plains and Great Plains physiographic provinces.
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  • The degree of accuracy in such anatomical and physiographic restorations from relatively imperfect evidence will always represent the state of the science and the degree of its approach toward being exact or complete.
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  • The state is divided into two distinct physiographic provinces; the Alleghany Plateau on the west, comprising perhaps two-thirds of the area of the state, and forming a part of the great Appalachian Plateau Province which extends from New York to Alabama; and the Newer Appalachians or Great Valley Region on the east, being a part of the large province of the same name which extends from Canada to Central Alabama.
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  • All the fossil plants and animals of every kind are brought from this continent into a great museum; the latitude, longitude and relative elevation of each specimen are precisely recorded; a corps of investigators, having the most exact and thorough training in zoology and botany, and gifted with imagination, will soon begin to restore the geographic and physiographic outlines of the continent, its fresh, brackish and salt-water confines, its seas, rivers and lakes, its forests, uplands, plains, meadows and swamps, also to a certain extent the cosmic relations of this continent, the amount and duration of its sunshine, as well as something of the chemical constitution of its atmosphere and the waters of its rivers and seas; they will trace the progressive changes which took place in the outlines of the continent and its surrounding oceans, following the invasion§ of the land by the sea and the re-emergence of the land and retreatal of the seashore; they will outline the shoals and deeps of its border seas, and trace the barriers which prevented intermingling of the inhabitants of the various provinces of the continent and the surrounding seas.
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  • The analysis of continental faunas into those inhabiting rivers, lowlands, forests, plains or uplands, affords a key to physiographic conditions all through the Tertiary.
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  • Matthew, and are shown to contain fluviatile or channel beds with water and river-living forms, and neighbouring flood-plain sediments containing remains of plains-living forms. Thus we may complete the former physiographic picture of a vast flood plain east of the Rocky Mountains, traversed by slowly meandering streams.
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  • The delightful scenery of mountains, lakes, streams and woodlands gives to the greater part of New Hampshire, which is in the New England physiographic province, the appearance of a vast and beautiful park; and the state is a favourite summer resort.
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  • These large divisions need physiographic subdivision, which will now be made, following the guide of structure, process and stage; that is, each subdivision or province will be defined as part of the earths crust in which some similarity of geological structure prevails, and upon which some process or processes of surface sculpture have worked long enough to reach a certain stage in the cycle of physiographic development.
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  • The physiographic description of the Appalachian mountain system offers an especially good opportunity for the application of the genetic method based on structure, process and stage.
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  • In spite of these contrasts, no physiographic line can be drawn between the higher and more rugged interior and the lower coastal border; one merges into the other.
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  • This knob or ridge may be appropriately regarded as an ancient physiographic fossil, inasmuch as, being a monadnock of very remote origin, it has long been preserved from the destructive attack of the weather by burial under sea-floor deposits, and recently laid bare, like ordinary organic fossils of much smaller size, by the removal of part of its cover by normal erosion.
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  • The complexity of the glacial period and its subdivision into several glacial epochs, separated by interglacial epochs of considerable length (certainly longer than the postglacial epoch) has a structural consequence in the superposition of successive till sheets, alternating with non-glacial deposits, and also a physiographic consequence in the very different amount of normal postglacial erosion suffered by the different parts of the glacial deposits.
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  • The few rivers of the region must have reached the quiescence of old age iii the earlier cycle, but were revived by uplift to a vigorous youth in the current cycle; and it is to this newly introduced cycle of physiographic evolution that the deep canyons of the Plateau province are due.
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  • The surface of Georgia is divided into five physiographic zones.
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  • It is well, however, to guard against an over-estimation of this exuberance; it must be borne in mind that the physiographic conditions were peculiarly favourable to the preservation of plant remains, conditions that do not appear to have obtained so completely in any other period.
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  • This second physiographic region comprehends somewhat less than two-thirds of the area of the state.
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  • This southern border of hills is the edge of the " Cumberland Plateau " physiographic province.
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  • Three physiographic regions may be distinguished within the state - the first, a small portion of the Ozark uplift in the extreme south-east corner; the second, the Prairie Plains, covering approkimately the east third of the state; the third, the Great Plains, covering the remaining area.
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  • The state lies partly in the physiographic province of the Great Plains (covering more than four-fifths of its area) and partly in that of the Prairie Plains, and slopes gently from the N.W.
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  • There are three physiographic subdivisions; the foot-hills (and Bad Lands), the sand-hills and the prairie - all three being portions of three great corresponding regions of the Great Plains and Prairie Plains provinces.
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  • Its surface is in general that of a gently undulating upland divided near the middle by the lowland of the Connecticut valley, the most striking physiographic feature of the state.
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  • On a smaller scale are the local adaptive radiations which occur through segregation of habit and local isolation in the same general geographic region wherever physiographic and climatic differences are sufficient to produce local differences in food supply or other local factors of change.
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  • These are the three physiographic provinces of the state (see also United States, section Geology, ad fin., for details of structure).
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  • Full color maps displaying the bedrock, surficial deposits and physiographic regions are also present.
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  • The physiographic features are few and very simple.
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  • Texas is crossed by four physiographic provinces.
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  • Because of the repetition of analogous physiographic and climatic conditions in regions widely separated both in time and in space, we discover that continental and local adaptive radiations result in the creation of analogous groups of radii among all the vertebrates and invertebrates.
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