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.
|Published (Last):||12 July 2008|
|PDF File Size:||5.34 Mb|
|ePub File Size:||13.19 Mb|
|Price:||Free* [*Free Regsitration Required]|
A quick look at a large river. Using well-established methods Carbonneau et al. Annexe Abridged English version Remote sensing is increasingly used in order to characterise river corridors. 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. Geomorphology 55, Agrandir Original png, 17k.
In order to assess antecedent structures, dendrochronological surveys were required.
This has allowed for a sediment budget of the reach to be established tab. Characterisation couds alluvial plains by remote sensing: Remote Sensing of the Environment 43, Celle-ci permet le calcul de la semi-variance 2D.
CU-SIGETA | Centre universitaire SIG et Teledetection au Burkina Faso
Agrandir Original png, 36k. Active channel in tfledetection The main objective is to study sedimentation and eutrophication processes responsible for the infilling of oxbow lakes.
Earth Surface Processes and Landforms 22, Le principe retenu repose sur le calcul de la semi-variance. This reach contains two injection sites: International Journal of Remote Sensing 19, HunterBertrand Moulin et Mathieu Gagnage.
Over m 3 were mechanically injected into the river. Hydrological Processes However, the threshold conditions can be met if we add additional data layers.
In the case of river environments, only UAS have the low deployment cost and required flexibility. These threshold conditions insure that etledetection remotes sensing data if of sufficient spatial and temporal resolution to adequately characterise the river and the surrounding floodplain. Here we illustrate two key applications of high-resolution airborne data: Supervised classification was used to segment the SPOT 5 image in three classes: Agrandir Original png, k.
Following established methods Carbonneau et al.
CERSAT – Cours de télédétection spatiale
When satellite data is unsuitable, airborne images can be used fig. Second, we show an example of grain-size mapping.
NDVI longitudinal variation profile coefficient of variation calculated on ash and poplar data coverage on an image B. Furthermore, the temporal acquisition rate of data must be capable of sampling rapid change, sometimes on the order of a few hours post-flood.
Cours de télédétection spatiale
Landsat 7 TM data is used to examine the impact of a series of hydropower dams on the growth rates of riparian vegetation. This demonstrates an important downstream trend where incised, upstream, sectors are clearly distinct from the downstream, un-incised, sectors.
Our objective is to use SPOT 5 imagery in order to identify origin and retention points for the entire catchment. Bibliographie Bel Hadj Ali A. La dynamique temporelle des corridors fluviaux. Earth Surface Processes and Landforms 31, Applied Optics Paper presented at the Braided Rivers Conference, Br. Gravel Bed Rivers 6. The aim of this paper is to illustrate progress in this field with a series of examples. Earth Surface Processes and Landforms GIS and remote teeldetection analyses.
The bathymetry was measured with high-resolution imagery acquired from a Pixy UAS before and 1 year after the injection fig. These field surveys confirm the presence of favourable conditions to the presence of woody teledeetection fig. Agrandir Original png, 86k.
This new high-resolution data is available and better suited to the characterisation of intra-fluvial landscapes. Recent progress in remote sensing is promising significant advances in fluvial sciences particularly in the study of small and medium rivers.