By Giorgio Lollino, Massimo Arattano, Massimo Rinaldi, Orazio Giustolisi, Jean-Christophe Marechal, Gordon E. Grant
This ebook is one out of eight IAEG XII Congress volumes and bargains with river basins, that are the focal point of many hydraulic engineering and hydrogeological experiences around the world. Such reports study river structures as either a source of the fluvial atmosphere, and in addition discover river-related risks and dangers. The contributions of researchers from assorted disciplines concentrate on: surface-groundwater exchanges, move circulate, circulate erosion, river morphology and administration, sediment shipping regimes, particles flows, review of water assets, dam operation and hydropower new release, flood dangers and flood keep watch over, flow pollutants and water caliber administration. The contributions comprise case reviews for advancing box tracking strategies, enhancing modeling and overview of rivers and experiences contributing to higher administration plans and guidelines for the river surroundings and water assets. The Engineering Geology for Society and Territory volumes of the IAEG XII Congress held in Torino from September 15-19, 2014, research the dynamic function of engineering geology in our altering global and construct at the 4 major topics of the congress: surroundings, methods, concerns and methods. The congress subject matters and topic components of the eight IAEG XII Congress volumes are: weather switch and Engineering Geology. Landslide procedures. River Basins, Reservoir Sedimentation and Water assets. Marine and Coastal tactics. city Geology, Sustainable making plans and panorama Exploitation. utilized Geology for significant Engineering tasks. schooling, expert Ethics and Public reputation of Engineering Geology. renovation of Cultural Heritage.
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Extra info for Engineering Geology for Society and Territory - Volume 3: River Basins, Reservoir Sedimentation and Water Resources
Osasco canal ﬂows in the western sector of the Piedmont plain. The canal is generally excavated in ﬂuvial and ﬂuvioglacial deposits (gravel, sand and silt) with high permeability. The studied canal stretch is predominantly rectilinear, with no output or input to other canals. 7 m deep. 3 D421-85(1998), D422-63(1998), D2217-85(1998), (b) measurement of ﬁeld-saturated hydraulic conductivity, by using Guelph permeameter (ASTM D5126/D5126M—90 (2010)), in the canal bottom and on banks during a dry period, (c) piezometric maps to evaluate groundwater-surface water interactions, (d) electrical tomographies.
The water canals seepage rates were estimated using an inﬂow–outﬂow test. In the inﬂow–outﬂow test, the water balance for the reach of canal is: S ¼ Q1 À Q2 Fig. 2 NDVI formula deﬁnition. With WV2 images NIR2 is used instead of NIR range was split into well deﬁned classes. Each class can be ﬁlled with a symbolic color that can help the user interpret NDVI images. Remote sensing data analysis permitted us to highlight a potential canal stretch prone to water losses based on vegetative state anomalies.
50 m pixels and 8 bands) on surrounding areas (Fig. 1). Pre-processing stages involve geometric and radiometric calibrations of the images to permit a quantitative radiometric analysis through a classiﬁcation stage. During the pre-processing steps, the data were orthorectiﬁed from their original form. Next, a dark pixel subtraction was calculated in order to perform simple atmospheric corrections. This step is often performed on systems that vary in a radiometric range among bands. However, since WorldView-2 is 11bit constant, it is still proﬁcient for providing an equal correction context for all radiometric data.