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

Damen, M. C. J.

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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:: 1 Visible and infrared data. Chairman: F. Quiel, Liaison: N J. Mulder

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: Interpretation of classification results of a multiple data set. Helmut Beissmann, Manfred F. Buchroithner

Document type:: Multivolume work

Structure type:: Chapter

9 ? Evaluation by SPOT Site. In : P.Rei- )pe 82, 15-42. note sensing. la compréhension action : essai de tointerprétation Simp.Intern.de la Photogr. et Teled., Interprétation des ison avec les peti- c.Française de Comparaison de images à haute Nat.Agronomique Interprétation du tir de clichés de approche botanique nr.99-3, 41-51. terpretation techni- acy. Photogramm. .46, nr.3, 359-367. hyto-geomorphic e. Geoforum, vol. 2, .nalysis for Nominal sis of Qualitative on an Information -45. ig methods for esti- lournal ,2, 113-120. îemote Sensing and ., Wiley. ;pts of Land Clas- I.) Land evaluation, ilia, 11-28. îulation Europe 82 - ,E.C., SA/I.04.E2.84. Analysis and Remote î. )sclassificatie toege- inalyse van Landsat- :.thesis, 102. pp. ngebruik in België 34 volgens de kada- .S., Statistische 1978. Remote Sensing : ic Map Accuracy. , 7, 3-14 ion pour 1'approche ieu bocager. Applica- nousin-France). errain classification ography : a review togramm.Engin., Symposium on Remote Sensing for Resources Development and Environmental Management / Enschede / August 1986 Interpretation of classification results of a multiple data set Helmut Beissmann Department for Satellite Image Cartography, Institute for Cartography, Austrian Academy of Sciences, Vienna Manfred F.Buchroithner Institute for Image Processing and Computer Graphics, Graz Research Center, Austria ABSTRACT: Based on experiences from a test area in a high mountain region in Austria, fundamental problems of combining various remote sensing data sets with geoscientific maps are discussed. The attempt was made to use a computer-aided supervised approach to reclassify the "ground truth" given in thematic maps. Possible explanations of the classification results are given. RESUME: A la base d'expériences sur un terrain d'essai dans une région de haute montagne en Autriche sont discutés des problèmes fondamentales concernant la combination de différentes dates de remote sensing avec des cartes gêoscientifiques. On a essayé d'utiliser un approche corrigé à l'aide d'un ordinateur électronique pour reclassifier la "ground truth" qui est constatée dans des cartes thématiques. Les explications possibles des résultants de classification sont indiquées. 1 INTRODUCTION In c orrespond enee with Gi er lo ff-Emd en (1982) in this s tudy empha sis is p ut on a comp rehensive th ematic inte rprêta ti on of remo te sens ing data by combi ni ng and comp aring i nf or mation of con ve ntional geos cientific di stributi on maps wi th remote sens ing info rmat ion by mea ns of digital meth ods. It is an obje ctiv e of thi s paper to p oint out the fundame ntal geos ci entific inte rpretatio n pr oblems i n th is metho d. For thei r combin ed evaluati on remote sensing data as well as thematic map s , whi eh can be take n as a re flee ted mode 1 of reali ty , need a s pecific cr it ic of th e ir source s to cor- ree t ly esti mate their P otenti al f or geos cientific in terpreta tion . Fo r a study area close to the Grossglock ner ( 3 797 m), Aust ria's highes t peak, sit uated ab ove the tree -line (Figure 1 ) , the att empt ha s been made to r ec lass ify the obje ct c la ss es of 4 thematic lay er s (lithology, soil types, Figure 1. Location map of study area. veget ation, ecotopic structure) by means of discr iminant analysis of différé nt remote sensi ng data and a DTM. The main difference to th e commo n land co ver classifi cation is that vario us categories which were to class ify do not alway s represent the terrain surfa ce ( e . g. bed rock below soil and veget ation c over) and that in the sense of the e mpiric- analytica 1 philosophy of science they have to be c onsidered as complex indie es or even as theoretical constructs and not as units directly der ived from empiric evidence. 2 BACKGROUND THEORY Ba sed on general th eoretical stru cture mo dels o f the lan ds cape at 1 east four di fferen t types of fu nc tional rei a tion ships can be P ostulated. A s indicated in F igure 2, these a re the fol lowing: the ver tica 1 in terrel at ionship betwe en the geo c ompo nents in a spa ti al referenc e unit, the late rally oc curing processes between th e sp atial en titles > the endogen ou s, solar an d an thro- po genous processes, which are f r equ ent ly CO nsider ed as margi na 1 conditi ons, and ev entual iy the temp or al aspect o f al 1 the be fore mentioned relationship s. In pr actice » however, th e problem a r ises that fi eld me as urements ca n hardly be c a rr ie d out in spa ti ally and temporally adequate in terval s . Hence, th e attempt is mad e to in direct iy conclude f ro m a few pro P erti es of ge o-comp on ents to th e above ment ioned pr ocesse S, which cau se their prop e rtie s and pr operti es of other g eo components ( e.g. by me ans of the concept of indicator P lant 3 ) . Fo r this P urpose an e xc lusive sup e r pos ition of thema ti c maps seem s not to be s u ff ic lent, as they do not reflec t a "geocom P onen t in se " but c omplexe typ es , which are the basis of se 1 ec tive feat ur es which can be CO nstruc te d on poss ib ly concurre n t pr inai pl es. He nee, the th ematic and sp atisi limitati on of the se types i s , m ainly dependen t on the und er standing o f th eory, th e resp ec tive proble ms and the in t eres t and knowledg e of the auth or of the map . Wi thout an y doubt, these unit s are not only of great

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