搜索结果: 1-15 共查到“地球科学总论 sediment”相关记录30条 . 查询时间(0.228 秒)
Lava lamp tectonics: Research suggests giant blobs of subducted sediment float up through deep Earth
lava lamp structure subduction sediment earthcrust
2021/8/6
Sand and mud subducted off the coast of California around 75 million years ago returned to the Earth's crust by rising up through the mantle as enormous diapirs, like blobs in a lava lamp, new researc...
LOSCAR: Long-term Ocean-atmosphere-Sediment CArbon cycle Reservoir Model v2.0.4
Ocean-atmosphere-Sediment CArbon cycle Ocean
2014/12/11
The LOSCAR model is designed to efficiently
compute the partitioning of carbon between ocean, atmosphere, and sediments on time scales ranging from centuries
to millions of years.
Annual To Seasonal Resolution Analysis Of Late Pleistocene And Holocene Sediment In Saanich Inlet, British Columbia, Canada
Earth sciences Holocene climate change Holocene sediment Laminated sediment Late pleistocene Saanich inlet Sediment provenance Sem-eds analysis
2014/10/22
This thesis aims to combine long high-resolution sediment data with information on sedimentation processes in and around Saanich Inlet, to better understand the seasonal sedimentation mechanisms in Sa...
Holocene Paleo-environmental Variability Reconstructed from a Lake Sediment Record from Southeast Greenland
Holocene Paleoenvironmental Variability Reconstructed a Lake Sediment Record Southeast Greenland
2014/10/21
Arctic climate variability over the Holocene has been both extensive and, at times, abrupt. Current understanding of these changes is still quite limited with few highresolution paleoclimate records a...
Sediment Characteristics of Tidal Deposits at Mandvi, Gulf of Kuchchh, Gujarat, India: Geophysical, Textural and Mineralogical Attributes
Pan-African North-Equatorial Fold Belt Yaoundé Series
2013/3/8
Geochemical and geochronological studies have been carry out on the leucosomes of Yaoundé series with the aims to identify the magma sources and to indicate their production periods and emplacement wi...
Sediment Characteristics of Tidal Deposits at Mandvi, Gulf of Kuchchh, Gujarat, India: Geophysical, Textural and Mineralogical Attributes
Tidal Currents Mandvi Grain Size Analysis XRD GPR Data OSL Ages
2013/3/8
The textural and mineralogical characteristics of subsurface sediments along with Ground Penetrating Radar (GPR) data collected along the Western margin of India were used to understand the deposition...
Beach Morphology and Sediment Budget Variability Based on High Quality Digital Elevation Models Derived from Field Data Sets
Moroccan Coast Beach Change Wave Forcing Digital Elevation Model 3-D Approach
2013/3/6
The morphological and volumetric changes of a sandy beach were investigated through a series of two- monthly filed surveys carried out aver a 2-year period from April 2005 to January 2007. This paper ...
SEPAL – a simple GIS-based tool to estimate sediment pathways in lowland catchments
SEPAL GIS
2010/2/3
Even though soil loss in the lowlands imposes not as much a restriction on land use and agricultural productivity as in erosion affected mountainous areas, the input of fine sediment into the rivers a...
Critical conditions of bed sediment entrainment due to debris flow
Critical conditions bed sediment entrainment debris flow
2009/12/14
The present study describes entrainment characteristics of bed material into debris flow, based on flume tests, numerical and dimensional analyses. Flume tests are conducted to investigate influences ...
Analysis of different water-sediment flow processes in a mountain torrent
different water-sediment flow processes a mountain torrent
2009/12/14
The installation of ultrasonic gauges or videocameras along the torrent might give more information on this issue. To this regard, the analysis of a flow event which occurred in 2002 in the Moscardo t...
Soft-sediment deformation structures in the Late Silurian Stubdal Formation:the result of seismic triggering
Soft-sediment deformation structures Late Silurian Stubdal Formation seismic triggering
2009/12/3
The Ringerike Group is a lower Old Red Sandstone fluvial sequence that forms part of the Late Silurian foreland basin succession of the Ringerike Group, Oslo Region, southern Norway. The Ringerike Gro...
Human impact on sediment mass movement and submergence of ancient sites in the two harbours of Alexandria,Egypt
Human impact sediment mass movement ancient sites harbours of Alexandria
2009/12/3
Historic records indicate that structures built in and around the two harbours of Alexandria, Egypt, were periodically damaged by powerful events such as earthquakes and tsunamis. This geoarchaeologic...
Subaqueous sediment gravity flows undergoing progressive solidification
Subaqueous sediment gravity flows progressive solidification
2009/12/3
The flow-out potential of a body of fluidized sediment following abrupt collapse is discussed through numerical and physical modelling. The emphasis of the analysis procedure is placed on considering ...
Mapping of seabed morphology and shallow sediment structure of the Mauritania continental margin,Northwest Africa:some implications for geohazard potential
seabed morphology shallow sediment structure Mauritania continental margin geohazard potential
2009/12/3
Seafloor mapping of the Mauritania margin by multibeam bathymetry as well as shallow and high-resolution seismics in combination with core data has revealed a wide variety of seafloor features, which ...
Sediment pathways in the western Barents Sea inferred from clay mineral assemblages in surface sediments
Sediment pathways western Barents Sea clay mineral assemblages surface sediments
2009/12/2
A new surface sediment sample set gained in the western Barents Sea by the MAREANO program has been analysed for basic clay mineral assemblages.Distribution maps including additional samples from earl...