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:: 3 Spectral signatures of objects. Chairman: G. Guyot, Liaison: N. J. J. Bunnik

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: Spectral and botanical classification of grasslands: Auxois example. C. M. Girard

Document type:: Multivolume work

Structure type:: Chapter

4,8 and 2 using the seasonal botanical variations or the seasonal spectral variations. 4 DISCUSSION AND CONCLUSION The classification of grasslands using seasonal bota nical and spectral data must be developped according to the following organigram given in Figiire 4. Phytosociological releves PltLftoAoCsLoloqZcaZ tizlzvzA anatyAiA modoJL Agro-ecoloqical units definition Spectral behaviour in red and near infra-red. SzaAonaZ Apzztn.aZ bzka- vZqua modzZ. I Spectral and botanical classification of grasslands. Figure 4 .Orqanigram of botanical and spectral classification of grasslands. It is necessary to describe phytosociological rele vés and classify them according to sigmatist method. Once this step acheived, the more abundant species are selected. They enable to define and describe the agro-ecological units. Phytosociological units my be converted in agro- ecological units, but reverse is impossible as there has been a loss of informtion meanwhile. The agro-ecologiacl units are characterized by spec tral behaviour, particularly in red and near infra red wavelengths. Once their spectral behaviour deter mined, it is possible to cluster any new relevé or spectral set of data to one or another agro-ecologi cal unit. On the contrary it is not possible to define first a spectral behaviour and then try to create agro nomical units as the worse agronomical value.units, on very dry or on muddy soils show spectral beha viour similarity and are difficult to separate. It is the first time that a combined botanical and spectral classification is tempted. It has been ela borated in order to use reflectance values measured in the field for green biomss evaluation, and sate llite data for grassland classification and survey over large areas. REFERENCES Braun-Blanquet, J. & J. Pavillard 1925. Vocabulaire et sociologie végétale. Bull. Soc. Bot. Fr. 72: 910-911. Brown. R.J. F.J. Ahern, 1983. Alberta rangeland as sessment using remotely sensed data. Centre Cana dien de Télédétection, Research report 83,1:128 p. Curran P.J 1983. Estimting green LAI from multispec- tral aerial photography. Photogramm. Eng. Remote Sensing. 49: 1709-1720. Everitt. J.H. 1985.Using aerial photography for de tecting blackbrush (Acacia rigidula) on South Texas rangelands. J. Range Management. 38 (3): 228-231. Gates D.M. H.J Keegan, J.C.Schleter,V.R. Weidnerl965. Spectral properties of plants. Applied Optics.4(1): 11-20. Gates.D.M. 1970. Physical and physiological proper ties of plants.In Remote Sensing with a special reference to agriculture and forestry. National Academy of Sciences, Washington D.C:224-252. Grouzis.M. M. Méthy.1983. Détermination radiométrique de la phytomsse herbacée en milieu sahélien: per spectives et limites. Acta Oecologica. Oecologia plantarum.4(18),n°3:241-257. Guinochet.M. 1973. Phvtosociologie. Masson.227p. Knipling. E.B. 1970. Physical and phvsioloqical basis of the reflectance of visible aœd near infra-red radiation from vegetation. Remote Sensing of Environ. 1 (3) : 155-159. Richardson. AJ. J.H. Everitt, H.W. Gausmn. 1983.Radio- metric estimation of biomss and nitrogen content of Alicia grass. Remote Sensing of Environ.13:179- 184. Thalen. D.C.P. J.A.Leemburq,R.Beck. 1980. Estimting aerial biomss in semi-natural vegetation from spectral reflectance measurementsi)Preliminary experiences. Acta Bot. Neerl. 29(5/6) :565-578. Tucker.C. J, C. L. Van Prae t, A.Gas ton, E.Boerwinkel. 1983 Détermination par télédétection de la oroduo tion primire herbacée aérienne au Sahel sénégalais. Proiet pilote d'inventaire et de surveillance des écosystèmes pastoraux sahéliens.FAO-UNEP. Van der MaarelE. 1979. Transform tion of cover-abun dance values in phvtosociologv and its effects on community similarity. Vegetatio.39(2):97-114. Sympoi The it mapp: A.R.Jon* Departmen ABSTRACT: on the mai ital forma of the Lan ner (MSS) site in sc such data Examples c ysis and u 1 INTRODUC One of the ribes it a pande d to or form,,b surficial es current ogist has ranging fi pedology a atic recor form of a of discipl from const exploratio is to depi ure and di and indica the develo Numerous mapping ex not forget (Verstappe geoirorjholo have been most of th images. In purposes, photograph Mitchell 1 1980, Vers and deploy on the Lan images hav ologist to (1974) use Krinsley ( Iran and M ery for so ty of sate igations h false colo deal of ge' can be ext assisted surficial : cessed dat as an effe This pap' i'ole that in future strating t]

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