Remote sensing for resources development and environmental management: Remote sensing for resources development and environmental management

Damen, M. C. J.

Bibliographic data

Multivolume work

Persistent identifier:: 856342815

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856342815

Language:: English

Additional Notes:: Volume 1-3 erschienen von 1986-1988

Editor:: Damen, M. C. J.

Document type:: Multivolume work

Volume

Persistent identifier:: 856343064

Title:: Remote sensing for resources development and environmental management

Sub title:: proceedings of the 7th international Symposium, Enschede, 25 - 29 August 1986

Scope:: XV, 547 Seiten

Year of publication:: 1986

Place of publication:: Rotterdam; Boston

Publisher of the original:: A. A. Balkema

Identifier (digital):: 856343064

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(26,7,1)

Language:: English

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

Editor:: Damen, M. C. J.

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: 4 Renewable resources in rural areas: Vegetation, forestry, agriculture, soil survey, land and water use. Chairman: J. Besenicar, Liaisons: M. Molenaar, Th. A. de Boer

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: Aerial photography photointerpretation system. J. Besenicar, A. Bilc

Document type:: Multivolume work

Structure type:: Chapter

390 It —ITAttaA it toiim S.R. SLOVENIJA C.A. SRS PREGLEDNA KARTA KLIMATSKIH CON po 11. aprilu po 16. aprilu vz po 21.aprilu t¿1/sA po l.maju □ po 11.maju AVSTRIJA Figure 5. Regional division of Slovenia according to starting dates in dependancy of climatic conditions. between 1 : 15 600 and 1 : 19 150. For intensive plane areas the aerial survey is re alised in the scale 1 : 10 000 and is used for revi sion of topographic maps in scales 1 : 2880 and 1 : 2000. Camera is Zeiss with c - 305 mm with image mo tion compensation which contributes to greater reso lution and accuracy. The main cycle is 3 years covering each year appro ximately one third of the entire teritory. Permanent aerial survey enables high qualitiy of final product and greater flexibility for user needs. Cycle of 3 years is usefull at the following works: - cyclic revision of topographic maps and plans - maintenance of spatial data bank - elaboration of planning documentation - elaboration of urban and rural plans - photointerpretation of forestry components - elaboration of photo mosaics and photomaps. The time for the realisation of aerial survey runs from april to august. The starting point is defined by the spring vegetation step, climaticaly given by 10°C of average daily temperature. Since the Slove nian territory is not climaticaly homogenous it is not possible to unify the starting point. The aerial survey is there fore different for different geograp hical locations and starts 2 to 3 weeks after vegeta tion starting point. This enables the optimal time period for agricultural vegetation. For the metric restitution of the photographs addi tional signalisation of geodetic points is realised which gives greater accuracy of elaborated plans and maps. The cyclic aerial survey is financed by 81 users. The quality and additional proposals for survey is realised through users board having a meettings once a year. The cyclic aerial survey is economicaly spe aking for about 20 % less expensive then aerial sur vey upon order. This is the result of systematic ap proach and the continuity of the realisation. Practical experiences The present system of cyclic aerial survey started to be operational from 1975. The film Agfa Gevaert Pan 200 has been used in order to increase the re solution between different kinds of vegetation (in near infra red). Combination with narow angle and image motion compensation gives the photographs of good qualitiy, being extremly usefull in forestry and agriculture. It is evident that better results would be reached by IR films, which is at the moment- not realiasable due to financial and technical pro blems (the present techniques do not allow mass pro duction of coloured contact copies and enlargements). The advantage of cyclic aerial survey is at perma nent availability of photographs which is not the ca se at the aerial survey by order. The main disadvan tage of the cyclic aerial survey is its unability to meet the user special requirements in full extent.

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