Full text: XVIIth ISPRS Congress (Part B6)

Quest Accession Number: 91U00106 
# ERSAP Thesis NN=ER91U00106 
Trial mapping of different species of the forest of Bouconne (France) / Thesis - Paris VI Univ. 
ESSAI DE CARTOGRAPHIE DES DIFFERENTES ESPECES DE LA FORET DE BOUCONNE 
Houssin, Sabine 
Groupement pour le Développement de la Télédédection Aérospatiale, Toulouse 
(France). (G6776145) CETEL. Prepared in cooperation with Ecole Nationale des Sciences 
Géographiques, Saint-Mandé (France). (EC97988E) 
Original contains color illustrations 
pp. 94 
PD:860000 
Language: FRENCH . 
Avail.: ESA-IRS, unrestricted distribution 
The methodology is to make a supervised classification using maps or aerial photographs as ground 
truth to simulate the case where real time ground truth cannot be carried out. The forest is presented in 
order to understand its complexity. The date of LANDSAT image acquisition (17 September 1985) is not 
an optimal period for studying forest country. A methodology is defined to resolve this problem and to 
alter it to advantage (study of the reflectance curves of the forest species belonging to the forest). The 
classification finally obtained offers quite a detailed inventory with ten different headings, and reveals 
deciduous forests, conifers, felling and water. The methodology is constructed for a particular season, 
Autumn, and for a particular subject, vegetal species of the forest of Bouconne, but it would be profitable 
to test it on other subjects for possible generalization. This would require adapting the study of reflectance 
curves if the species are different. 
La méthodologie consiste à réaliser une classification supervisée en utilisant comme vérité-terrain des 
cartes ou des photographies aériennes pour simuler le cas où ne pouvaient s'effectuer des vérités-terrain 
en temps réel. La forêt est présentée afin d'en comprendre toute la complexité. La date d'acquisition de 
l'image LANDSAT (17 Septembre 1985) n'est pas une période optimale pour étudier un couvert forestier. 
Une méthodologie est définie permettant de résoudre ce probléme et de le transformer en un avantage 
(étude des courbes de réflectance des espéces forestieres propres à la forét). La classification finale 
obtenue offre une nomenclature assez fine avec des postes differents, et met en évidence les feuillus, 
résineux, coupe et eau. La méthodologie est construite en fonction d'une saison particuliére, l'automne, 
et d'un sujet particulier, les espéces végétales de la forét de Bouconne, mais il serait intéressant de la 
tester sur l'autres sujets pour en voir la généralisation possible. Cela nécessiterait d'adapter l'étude des 
courbes de réflectance dans le cas d'espéces différentes. 
Subject Category: 43 (EARTH RESOURCES) 
Controlled terms: "CLASSIFICATIONS /"FORESTS /"GROUND TRUTH /'REFLECTANCE/ 
REMOTE SENSING /'SPECTRAL RESOLUTION/* VEGETATIVE INDEX /AERIAL PHOTOGRAPHY/ 
CONIFERS / DECIDUOUS TRESS / FRANCE /IMAGE PROCESSING / MAPS / SATELLITE 
IMAGERY / THEMATIC MAPPERS (LANDSAT) / 
Fig 1: Sample Record of the ERSAP Prototype 
  
  
  
language, the author/s (personal or collective), Communications 
the bibliographic details necessary to identify Geodesy 
the document (place of work, corporate author/s, Land use 
publisher, journal name, conference or symposium Photogrammetry 
details) and the availability of the original Resources mapping 
document. In addition, the bibliographic records Transportation 
contain an abstract in English and French, 
augmented with controlled vocabulary terms 
selected presently from the common EAD/NASA 
thesaurus (later on from the ERSAP bilingual 
French/English thesaurus), and subject heading 
or classification codes from the  EAD/NASA 
classification scheme (later on from the ERSAP 
classification scheme). 
For a sample record see Fig. 1. 
5.2 ERSAP Scope and Coverage 
The ERSAP Scope and Coverage contains all 
categories related to the remote sensing and 
photogrammetry applications and techniques. 
Remote Sensing Applications 
Geographic Sciences 
Cartography 
Climatology 
348 
Urban geography and population 
Geological Sciences 
Bedrock geology 
Erosion processes 
Deposition processes 
Superficial geology and geomorphology 
Volcanic and tectonic processing 
Water Resources 
Chemical state 
Ice and snow 
Hydrology 
Limnology 
Oceanography 
Pollution 
Atmospheric Studies 
Gaseous constituents
	        
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