The Modeling of Physiographic Forms in the Laboratory, ibid.
As the atlas of topographic maps is the physiographic gazetteer, so geological maps together constitute the reference dictionary of descriptive geology.
The apparatus used to prepare the topographic map is adapted also for preparing a physiographic model from a standard topographical map.
The United States Geological Survey issues free of charge a list of 100 topographic atlas sheets which illustrate the more important physiographic types.
Martonne has given at the end of each chapter the important foreign maps which illustrate the physiographic types there described.
So that very sketchily gives you some idea of the physiographic regions in this state.
There are four physiographic regions: two of highlands; one of river valley plain separating the two highland areas; while the fourth is a region of hills, lowlands and scanty prairie.
Cultural placement therefore rests upon the recovered types of artifacts, the physical and chemical alterations of both mound mass and artifacts, and the physiographic location of the Topanga sites in terms of a paleogeographic environment.
Both inphysiographic location and appearance the two sites are very similar.
With respect to physiographic location and archaeological assemblage, the Tank Site does not conform to other sites previously known for the general environs.
The almost perfect symmetry of the stones suggests selection, and the physiographic location of the Tank Site implies such stones must have been transported to it.
Thus it is that an appreciation of the physiographic details may suggest important variations in the underground structure which would otherwise pass undiscovered.
A physiographic problem of another sort is the determination of the conditions surrounding the origin of sedimentary ores.
The physiographic phases of geology also are finding important applications to railroad building.
Bauxite deposits in several parts of the world require somewhat similar conditions of concentration, and a study of the physiographic features is an important factor in their location and interpretation.
Physiographic and climatic conditions play an important part, and cannot be safely overlooked by anyone studying such deposits.
The economic geologist advising exploration and development in copper ores who does not in the future take physiographic factors into account is likely to go wrong in essential ways, as he has done in some cases in the past.
Physiographic study has also been applied to railway bridge construction, in the appraisal of the difficulties in surmounting stream barriers.
These questions are obviously related to the size and shape of the catchment area, the topography, the rock structure, the relation between underground flow or absorption and the runoff, and otherphysiographic factors.
A combination of climatic, topographic, and otherphysiographic conditions may be used also in exploration for certain types of residual clays.
This is coming to play an increasingly large part in geologic work, and is essential to the interpretation of many mineral deposits, particularly those in which stratigraphic and physiographic questions are involved.
Another book,[62] on land forms in France, prepared from a physiographic standpoint, was a highly useful general survey of topographic features and was widely used by officers and others.
In addition, there must be considered certain physiographic factors affecting the nature and variation of stream flow and the migration of shore lines.
The climatic, topographic, and other physiographic and sedimentary conditions which cause the deposition of this great group of ores present one of the great unsolved problems of economic geology.
It is possible to underestimate the importance of State lines, but if we direct our gaze rather to the physiographicprovince than to the State area, we shall be able to see some facts in a new light.
In a word, the physiographic province itself decreed that the destiny of this new frontier should be social rather than individual.
On the geographical conditions, see maps and text in Powell, "Physiographic Regions" (N.
Then it becomes clear that these physiographic provinces of America are in some respects comparable to the countries of Europe, and that each has its own history of occupation and development.
The northwest corner of the physiographicdiagram south to 42° N.
The abyssal plains shown on thephysiographic diagram have been named in order to facilitate referencing.
The spot depths indicated on the physiographic diagram are in units of true depth corrected according to Matthews' tables (1939) for regional variations in the average vertical sounding velocity.
Crustal sections in various physiographic provinces, determined by seismic-refraction measurements (a).
Each sheet or series of sheets will be accompanied by descriptive notes treating the nomenclature, morphological, geological, and geophysical characteristics of each of the physiographic provinces.
The small scale of the physiographicdiagram excluded the possibility of portraying most of the features less than 3-6 miles in width and less than 20 fathoms in height.
If these four physiographicprovinces of North and South America lay in similar latitudes in the respective continents we might expect each pair to have a closely similar effect on life.
Russell's book is largely physiographic but contains some good chapters on the Indians.
Pennsylvania owing to major physiographic and climatic barriers and also owing to competition with one or more of the five other species of Microtus occurring in this region.
Central Plateau This physiographic region, commonly termed the Mexican Plateau, occupies only a small area of Tamaulipas in its southwesternmost part.
This physiographic region is situated between the other two physiographic regions in Tamaulipas and represents a barrier to the distribution of some tropical mammals on the one hand and to those from the Mexican Plateau on the other.
Chihuahuan Biotic Province This Province occurs in Tamaulipas only in a small portion of the Central Plateau physiographic region and occupies the southwesternmost part of the state.
Sierra Madre Oriental This physiographic region is represented in Tamaulipas by a small part of the long Sierra Madre Oriental that extends from the Big Bend area in Texas southward to the Trans-volcanic Belt of central Mexico.
Veracruzian Biotic Province This Province includes the southern part of the Coastal Plain physiographic region, south of the Sierra de Tamaulipas and Soto la Marina.
Gulf Coastal Plain This physiographic region covers most of the state and extends northward into Texas and a short distance southward into Veracruz.
At about the time when the subaerial origin of valleys and escarpments was being established in England, the explorations and surveys of our western territories were undertaken, and a flood of physiographic light came from them.
At first explanation was given to various individual features, item by item; now it is recognized that an appropriate place must be provided for all kinds of land forms in a comprehensive scheme of physiographic classification.
In this new book Professor Brigham has presented vividly and clearly those physiographicfeatures of America which have been important in guiding the unfolding of our industrial and national life.
The chapter on the Atmosphere has been considerably expanded, and an entirely new chapter has been added on the Distribution of Plants, Animals, and Man, considered from a physiographic standpoint.
The object of this method is not simply to explainphysiographic facts, but to increase the appreciation of the facts themselves by associating them with their causes and their consequences.
We are then at this position, when it comes to bringing technological and physiographic factors into our scheme: on the one hand, the values control technological applications, and control the course of industry.
But these technological andphysiographic factors, in order to influence economic conduct, must first influence the value system.
The pure theorist takes for granted the physiographic environment, whose influence Giddings takes into account.
The psychological theory of economic value by no means excludes any amount of influence one can find in physiographic or technological factors.
Many of the factors which students of dynamics are concerned with grow out of biological and technological relationships, and are connected with physiographic influences.
Values are in part controlled byphysiographic and technological conditions of life.
On the other hand, physiographic and technological factors modify the lives and characters of men and peoples.
In position the caps have something to say about physiographic conditions.
Pluvial periods in the Pleistocene provided for confluence of aquatic habitats and expansion of geographic ranges, and coupled with physiographic changes, conceivably caused or enhanced some of the subspecific variation.
Physiographic divisions of the Quarternary lowlands of Louisiana.
The combination of physiographic changes and aridity, which modified the mesic, essentially continuous, aquatic habitats, may have isolated and aided in the differentiation of the ferox, muticus and spinifer stocks.
In general, patterns of distribution of turtle populations support physiographic evidence concerning changes in stream confluence and relative age of river systems.
There have been several attempts to classify the physiographic provinces of Mexico; the classification used here is a slight modification of the scheme proposed by Tamayo (1949).
The first half of the eighteenth century witnessed the movement of settlement into the next great physiographic region, the Piedmont, or the area lying between the Fall Line and the Appalachian Mountains.
Influenced largely by climatic and physiographic conditions, distinct industrial systems had developed.
In a broad way these steps in the westward movement have corresponded with great physiographic areas.
The longest, and, from the human standpoint, the most important, break in the sedimentary record is that of the present wherever degradation is the predominantphysiographic process.
The physiographic features of the contact belt are of special interest.
The continued and extreme growth of the Andes in later geologic periods has greatly favored structural and physiographic studies.
Block diagram of the typical physiographicfeatures of the Peruvian Andes.
From these considerations I think we have a strong suggestion of the geologic date assignable to the development of the great fault that is the most strongly marked structural and physiographic feature of the west coast of South America.
Physiographic interpretations, therefore, serve the double purpose of supplying a part of the geologic record while at the same time forming a basis for the scientific study of the surface distribution of living forms.
Erving was obliged to leave on October 18th and Professor Bowman left a week later in order to carry out his plans for a physiographic study of the coast between Camaná and Mollendo.
Physiographic studies throughout the Central Andes demonstrate both the general distribution of this fill and its glacial origin.
The physiographic features of the Sonoran province in general are treated in greater detail in a paper on Sheetflood Erosion, Bull.
Consult for physiographic descriptions general works on the United States, exploration, surveys, &c.
Most often it is some physiographic feature which makes the stream an obstacle to communication, and lends it the character of a scientific boundary.
The physiographic cause lies in the elasticity of the earth's crust and the leveling effect of weathering and denudation.
The propriety of using the names here employed for the larger physiographic provinces of North America has been discussed by several writers in the Bulletin of the Geographical Society of Philadelphia, vol.
Map giving the names of the larger physiographic divisions of North America 61 14.
Each of the four physiographicprovinces briefly described above is in a conspicuous manner elongated in a north and south direction.
The movements in the earth's crust, which blocked out these major physiographic features, were produced by forces acting in east and west directions, and gave origin to folds and faults with their longer axes trending north and south.
The presence of man in North America during the Pleistocene has not been proved, but important contributions to knowledge concerning the brute mammals, and in reference also to the climatic and physiographic changes, have been made.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "physiographic" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: geodetic; geographic; geographical
