VIIIth International Congress of Photogrammetry: General reports

Fagerholm, P. O.; Lycken, L. E.; Thunberg, A.; Öhlin, K. A.

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Multivolume work

Persistent identifier:: 1048861678

Title:: VIIIth International Congress of Photogrammetry

Sub title:: Stockholm, Sweden, July 17 - 26, 1956

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048861678

Language:: English

Other Title:: Paralleltitel: VIIIe Congrès International de Photogrammétrie

Editor:: Fagerholm, P. O.

Corporations:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Adapter:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Founder of work:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Other corporate:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Document type:: Multivolume work

Volume

Persistent identifier:: 1048997715

Title:: General reports

Sub title:: VIIIe Congrès International de Photogrammétrie

Scope:: circa 330 Seiten in verschiedenen Seitenzählungen

Year of publication:: 1957

Place of publication:: Stockholm

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 1048997715

Illustration:: Illustrationen

Signature of the source:: ZS 312(12,3)

Language:: French

Other Title:: Paralleltitel: Rapports généraux

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Contributor:: Lycken, L. E.; Thunberg, A.; Öhlin, K. A.

Editor:: Fagerholm, P. O.

Corporations:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Adapter:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Founder of work:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Other corporate:: International Congress of Photogrammetry, 8., 1956, Stockholm; Board of the VIIIth International Congress of Photogrammetry

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: REPORT OF COMMISSION VII PHOTOGRAPHIC INTERPRETATION to the INTERNATIONAL SOCIETY OF PHOTOGRAMMETRY STOCKHOLM, SWEDEN JULY, 1956

Document type:: Multivolume work

Structure type:: Chapter

Section

Title:: A Comparison of Two Basic Theories of Land Classification and Their Adaptability to Regional Photo Interpretation Key Techniques GORDON R. HEATH, [...]

Document type:: Multivolume work

Structure type:: Section

A Comparison of Two Basic Theories of Land Clas- sification and Their Adaptability to Regional Photo Interpretation T echniques # Gordon R . heath, i/. 5. Forest Service, Washington, D. C} Summary: The classification of land into units is useful in the analysis of regions. Systematic methods of describing terrain have been investigated by many men. Davis was the founder of a school which is widely accepted. Two other geographers took his fundamental principles and digressed in different directio?is. Fenneman used multiple subdivisions, dividing continents into physiographic provinces, sections and districts. Bowman divided physiographic provinces into topographic types. The latter has been the basis for land classification surveys in the United States for the last 35 years. It is particularly well suited to photo interpretation meth ods because the types are easily recognized on air photos, and because the types are homogeneous. However, physiographic subdivisions are very diverse and it is difficult to make generalizations about them which will apply to a specific site. Two partial regional keys, one adapted to Fenne- man’s methods and one adapted to Bowman's methods, illustrate the advantages and disadvantages of each method of regional study. The first keys out the Navajo Section of the Colorado Plateau. The second keys out the basin type of the same plateau. The two end products are compared for homogeneity and pertinence in the solution of photo interpretation prob lems. O NE OF the problems of regional photo regional level, and, when air photos are interpretation is to divide regions used, units which are well suited to study into units which will simplify analysis. If in air photography. Description and classi- it is desired to study single subjects, such fication, of course, are only initial steps as geology or industry, the decision is not in the analysis of the activities on the difficult and it is determined by the sub- earth. They help the geographer to group ject matter. But if the aim is to study all like things and related things together so of man’s activities the problem soon be- that their relationships may be better comes an analysis of how man uses the understood. Many schemes have been land, or man’s environment. This is ad- devised by geographers to accomplish this mittedly a complex subject and governed task, and two of the most promising are by many factors. The object of any re- presented in this paper and are compared, gional subdivision is to find the most ho- A brief account of the background behind mogeneous units, and, at the same time, the development of these methods will units which are significant at the broad help in understanding them. * A contribution of Commission VII, Photographic Interpretation, International Society of Photogrammetry. 1 This article presents the view of the author and does not necessarily reflect the views of the U. S. Forest Service.

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