نتایج جستجو برای: upstream face slope
تعداد نتایج: 255142 فیلتر نتایج به سال:
Influences of topographic variations the offshore fringing reef on harbor oscillations excited by incident N-waves with different amplitudes and waveform types are studied for first time. Both propagation over subsequently-induced simulated a Boussinesq-type numerical model, FUNWAVE-TVD. The present study concentrates revealing influences plane reef-face slope, profile shape lagoon width maximu...
We report on a 13 year old boy with microcephaly, sloping forehead, prominent nose, scoliosis, and flexion contractures involving the elbows and knees. The patient showed severe mental and growth retardation. Since birth and up to the present he has suffered from multiple and varied infections. Immunological studies showed a marked decrease in leucocyte chemotaxis. Clinical and laboratory findi...
Knowledge of habitat requirements of aquatic animals plays an important role in fisheries and protection programs of aquatic ecosystems. Hence, this study was conducted to investigate the suitability indexes of habitat use and habitat suitability index (HSI) of Barbus cyri in its distribution range in Tootkabon River. A number of environmental variables, including elevation, water depth, river ...
Digital Elevation Models (DEMs) are used to estimate different morphologies, analysis of river profile, delineating drainage basin and drainage pattern associated with lithological and structural changes. The study area is Maroon River located in Khuzestan Province, Iran. In this study geomorphometric analysis based on DEM carried out to understand Maroon river uplift rate and tectonic- erosion...
The current research investigated the coupling effect of blockage and tunnel slope on spreading characteristics fire smoke ceiling temperature distribution in a metro depot with one closed end. A series 1/15 reduced scale experiments full-scale numerical simulations were conducted to capture global characteristics. investigation addressed compared plume behavior both uphill downhill situations....
While most of the world's large rivers are heavily engineered, channel response to engineering measures on decadal century and several 100 km scales is scarcely documented. We investigate Lower Rhine River (Germany-Netherlands) measures, in terms slope bed surface grain size. Field data show domain-wide incision, primarily associated with extensive narrowing. Remarkably, has increased upstream ...
Ascertaining the timing of the peopling of Europe, after the first out-of-Africa demographic expansion at the end of the Pliocene, is of great interest to paleoanthropologists. One of the earliest direct evidences for fossil hominins in western Europe comes from an infilled karstic cave site called Gran Dolina at Atapuerca, in a stratum approximately 1.5m below the Brunhes-Matuyama (B-M) geomag...
The deposits of the pyroclastic density currents from the August 2006 eruption of Tungurahua show three facies associations depending on the topographic setting: the massive, proximal cross-stratified, and distal cross-stratified facies. (1) The massive facies is confined to valleys on the slopes of the volcano. It contains clasts of >1 m diameter to fine ash material, is massive, and interpret...
In the mid‐1980s, advances in understanding the mechanics of the fold‐and‐thrust belts that flank many collisional mountain ranges set the stage for a fundamental change in our appreciation of the role of erosion in the tectonic evolution of mountain ranges. A combination of sandbox experiments, analytical treatments of stress state and field observations showed that fold‐and‐thrust belts form ...
The analysis of precipitation, snow cover, and temperature based on measured data is important for many applications in hydrology, meteorology, climatology, disaster management, human activities. In this study, we used long-term historical datasets from the Varzob River Basin (VRB) Tajikistan to evaluate trend magnitudinal changes temperature, cover area Anzob (upstream), Maykhura (midstream), ...
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