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- 저자 : Mammou, Khaled (검색결과 2 건)
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Ismail Chenini,Abdallah Ben Mammou,Mohamed Moncef Turki,Eric Mercier 한국지질과학협의회 2008 Geosciences Journal Vol.12 No.4
The Maknassy basin in central Tunisia receives only a small amount of precipitation (207 mm/year), and hydrological system retain very small quantities of water due to the steep topography and surface water resource partially mobilized which is evacuated toward the basin outlet. However, the Maknassy plain support agriculture based on ground water irrigation with increasing water demand for the last decades. These developments have boosted agricultural productivity in the region. While these problems are mainly due to poor surface water management strategies in the region, the groundwater resources in this basin should be properly assessed and suitable measures taken for uniform surface water mobilization. As a first step in this direction, groundwater resources have been assessed. Regional specific yield (0.017) and groundwater recharge have been estimated on the basis of water table fluctuation method. During the hydrological year 2004-2005, groundwater recharge amounting to 116*106 m3 in a year takes place in the region through infiltration of rainwater (44.5*106 m3 for phreatic aquifer and 71.5*106 m3 for the deep one), and recharge due to the infiltration in the Leben watercourse bed (1.57*106 m3). Recharge from deeper aquifer to the shallow one has been estimated at 0.01*106 m3. The outflow consists of (1) groundwater draft by wells (4.5*106 m3 from phreatic aquifer and 5.78*106 m3 from the deep one), (2) spring discharges (0.15*106 m3 only from shallow aquifer), and (3) groundwater evapotranspiration (92.52*106 m3). Assuming that at least 40% (102.61*106 m3) of the total precipitation water (256.645*106 m3) makes the runoff water, this important resource can be mobilized in order to increase groundwater recharge. Subject to an arid climate, such region requires an integrated water resource management. It permits to keep aquiferous system equilibrium and participate to the sustainable development which integrates natural resource management.
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Jang, Euee S.,Preda, Marius,Mammou, Khaled,Tourapis, Alexis M.,Kim, Jungsun,Graziosi, Danillo B.,Rhyu, Sungryeul,Budagavi, Madhukar IEEE 2019 IEEE signal processing magazine Vol.36 No.3
<P>The widespread adoption of new 3D sensor and authoring technologies has made it possible to capture 3D scenes and models in real time with decent visual quality. As an example, Microsoft's Kinect and Apple's PrimeSense technology are now being used in a wide variety of interactive 3D mobile applications, including gaming and augmented reality applications. The latest smartphones are equipped with multiple cameras, which can be readily used to generate depth images. Some of the latest smartphones also include depth-ranging sensors that can be used for 3D model generation. Light-based detection and ranging (lidar) technologies are yet another field where 3D depth acquisition is important. Realtime 3D scenery detection and ranging has become an important issue for the emerging field of autonomous navigation and driving applications.</P>
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