COURS DE TELEDETECTION PDF

Menu des cours. Calendrier des cours · Cours de Télédétection · Cours de SIG · Cours de GPS. Course. No course has been selected. Please selected a course . Lillesand T.M. and Kiefer R.W., Remote Sensing and lmage lnterpretation, 3rd edition, John Wiley & Sons, , p. Monget J.-M., Cours de teledetection. Les progrès techniques réalisés ces dernières années en télédétection laissent le domaine fluvial et notamment dans l’étude des petits et moyens cours d’eau.

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Earth Surface Processes and Landforms 31, Deux exemples illustrent ces propos. Remote sensing is increasingly used in order to characterise river corridors. However, numerous factors can limit this application of remote sensing. Freshwater Biology 29, Earth Surface Processes and Landforms 32, In order to offset this limitation, field surveys were conducted in order to localise woody debris. We present three examples.

These field surveys confirm the presence of favourable conditions to the presence of woody debris fig. Table des illustrations Titre Fig.

Hydrological Processes Agrandir Original png, 36k. This imagery shows well-defined, homogeneous grain-size patches present on the teledeteftion gravel bars fig. First, we discuss the lower Ain valley.

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Abridged English version

Bibliographie Bel Hadj Ali A. This type of data has a markedly higher resolution, down to centimetric scales, and it is much easier to coordinate the acquisition of airborne data with field data. Photogrammetric Engineering end remote sensing 67, For example, we discuss a study of morphological change following a sediment management program aiming to redress the reach scale sediment deficit resulting from the construction of dams.

In order to assess antecedent structures, dendrochronological surveys were required.

Agrandir Original png, 65k. Furthermore, the temporal acquisition rate of data must be capable of sampling rapid change, sometimes on the order of a few hours post-flood. Validation of this cousr is shown in fig. Characterisation of alluvial plains by remote sensing: Over m 3 were mechanically injected into the river.

Agrandir Original png, 17k. Data acquisition can now be planned on a telesetection basis and acquired from a range of platforms such as standard survey aircraft, helicopters, ultralight aircraft or unmanned aerial vehicles UAVs.

Our objective is to understand the geographic and geomorphologic drivers of this distribution. Once again we use high-resolution imagery obtained from the Pixy UAS. The bathymetry was measured with high-resolution imagery acquired from a Pixy UAS before and 1 year after the injection fig.

Remote Sensing of the Environment 43, In recent years, new satellite data has begun to offer data on metric e. Remote Sensing of Environment Supervised classification was used to segment the SPOT 5 image in three classes: In general, small-scale river surfaces are characterised with airborne data.

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Photogrammetric Record 16, NDVI longitudinal variation profile coefficient of variation calculated on ash and poplar data coverage on an image B. However, the threshold conditions can be met if we add additional data layers.

CU-SIGETA | Centre universitaire SIG et Teledetection au Burkina Faso

Satellite remote sensing data can only be successful if certain threshold conditions are met. This result illustrates the downstream structures for each dominant class and allows us to identify two principal domains: Le principe retenu repose sur le calcul de la semi-variance. Landsat 7 TM data df used to examine the impact of a series of hydropower dams on the growth rates of riparian vegetation.

Active channel in Agrandir Original png, k. HunterBertrand Moulin et Mathieu Gagnage. Tools in Fluvial Geomorphology.

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