نتایج جستجو برای: pre sedimentation basins
تعداد نتایج: 340721 فیلتر نتایج به سال:
On the Barents Shelf, northernmost and least explored hydrocarbon province of Norwegian Continental Upper Jurassic organic-rich shales have traditionally been given most attention as these represent prolific source rock unit region. However, in western frontier areas is too deeply buried. By combining high-resolution 2D seismic data, well logs, digitalized Rock-Eval this study documents lateral...
Abstract Soil erosion and sedimentation are among the most crucial environmental hazards that arise from urban development. The Geographical Information System (GIS) based method is proposed to demonstrate for identification of sediment source areas prediction storm yield catchments. gross soil was calculated by using revised Universal Loss Equation (RUSLE). In general, loss river basins at Ked...
abstract: the aim of this study is analysis of drainage basins neotectonic in the north slope of bozqoosh mountains by geomorphological methods. to attain this aim, it used of field observation, areal photographs and five geomorphic indexes in 20 basins of the north slope of bozqoosh mountains. indexes were calculated by topography maps (1: 50000), geological maps (1: 100000) and areal photogr...
Effectiveness in controlling mosquitoes in storm water catch basins in the North Shore Mosquito Abatement District (northeastern Cook County, Illinois) was determined for 3 formulations of methoprene-based larvicides (Altosid XR 150-day Briquets, Altosid 30-day Pellets, Altosid 30-day Granules) in 2017 using a pass/fail evaluation criterion, in which emergence of a single adult from pupae colle...
Abstract The present study focused on the siltation process at navigation channel in Port of Niigata, Japan. A part port is located mouth Shinano River, which longest one country. Due to discharged sediments through river and their deposition area, frequent dredging works are required for safety navigations waterway turning basins. purpose get a better understanding specific features sedimentar...
Tectonic setting exerts fi rst-order control on basin formation as refl ected in basin subsidence history. While our approach ignores the effects of fl exural loading and eustatic sea-level change, consistency of backstripped subsidence histories (i.e., with local loading effects of sediment removed) suggests consistent tectonic driving mechanisms in each tectonic setting, with the possible exc...
Abstract Background The Nile River included diverse phytoplankton compositions belonging to five main categories. Algae have been classified and identified through comparative morphology. Results Pyrrophyta, Charophyta, Cyanophyta, Chlorophyta, Bacillariophyta were presented the full period of investigation with 1, 3, 14, 23, 28 species, respectively. Therefore, it may be important note that di...
Reef and temperate carbonate units alternate in the upper Miocene^Pliocene stratigraphic record of Betic basins palaeogeographically connected to the Mediterranean. Shallow-water coralline algal assemblages in temperate units differ in taxonomic composition from those in reef carbonate units. The difference attains the subfamily level since the temperate lithofacies are characterised by assembl...
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