نتایج جستجو برای: sedimentation basin

تعداد نتایج: 73860  

2009

Background and objectives The primary objective of drilling at Site U1345 was to study high-resolution HoloceneLate Pleistocene paleoceanography at a proximal gateway location to the Arctic Ocean at a water depth of ~1008 m. The drill site is located on an interfluve ridge near the large and broad head of Navarin Submarine Channel off the Bering Sea Shelf. It is anticipated to receive ample sup...

2002
M. J. Richardson P. E. Biscaye W. D. Gardner N. G. Hogg

Sixteen-month time-series measurements of water velocity and light scattering were coupled with hydrographic and suspended particulate matter sections to determine the flux and the variability in flux of suspended particulate matter through the Vema Channel. The northward flux of SPM through the Vema Channel ranged from 3 to 10.5 × 104 g s 1 with a mean of 6.5 × 104 g s 1. The largest fluxes we...

Journal: :International Journal of Earth Sciences 2022

The late Carboniferous–early Permian represents a key period in the Phanerozoic history, given major global geodynamic and climate modifications. aim of this work is to better understand context characteristics sedimentation recorded continental environments eastern equatorial Pangea at time, through example Autun Basin (northeastern Massif Central, France). contains historical stratotype Autun...

Journal: :Environmental monitoring and assessment 2013
Lijuan Cui Changjun Gao Xinsheng Zhao Qiongfang Ma Manyin Zhang Wei Li Hongtao Song Yifei Wang Shengnan Li Yan Zhang

The middle and lower reaches of the Yangtze River basin have the most representative and largest concentration of freshwater lakes in China. However, the size and number of these lakes have changed considerably over the past century due to the natural and anthropogenic impact. The lakes, larger than 10 km(2) in size, were chosen from relief maps and remotely sensed images in 1875, 1950, 1970, 1...

Journal: :Geodinamika i Tektonofizika 2021

Sedimentation in Lake Baikal is significantly affected by continuous seismic activity the Rift Zone. Our study shows that historical earthquakes, as well recent events, considerably influenced sedimentation this deep tectonic basin. Here we present some of results extensive international research activities during period 1996–2019. To identify traces events uppermost sediments (<1.5 m), shor...

2007
Ian C. Campbell

[1] Workshops to identify transboundary and basin-wide environmental issues and a diagnostic study by consultants identified priority environmental concerns of resource managers in the lower Mekong River basin. The issues identified, in priority order, were water quality, reduction in dry season flows, sedimentation, fisheries decline, wetland degradation, and flooding. An analysis of the avail...

Journal: :Geologija 2022

The Raduha section represents a continuation of the research Anisian Strelovec Formation in Kamnik-Savinja Alps. was deposited during on drowned Serla Dolomite carbonate platform restricted probably outer ramp environment associated with an intraplatform basin. base is represented by dolostone breccia containing angular lithoclasts shallow-marine origin. This followed alternations laminated and...

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