搜索结果: 1-15 共查到“地质学 sediment”相关记录50条 . 查询时间(0.125 秒)
Sediment loading is key to predicting post-wildfire debris flows（图）
Sediment loading predicting post-wildfire debris flows
2020/2/20
The mudslides that follow wildfires in Southern California can be deadly -- and difficult to predict. New National Science Foundation-funded research will help officials identify areas prone to these ...
Carbon hides in sediment,keeping oxygen in atmosphere（图）
Carbon hides sediment keeping oxygen atmosphere
2019/10/28
A new study by researchers at the Woods Hole Oceanographic Institution and Harvard University may help settle a long-standing question: how do small amounts of organic carbon become locked away in roc...
中国地质大学科学技术发展院陈思资源学院 GSA Bulletin, JAN 2018, Growth of the paleo-Orinoco shelf-margin prism: Process regimes,delta evolution, and sediment budget beyond the shelf edge
南美洲；新近系；Orinoco；三角洲；大陆架；沉积演化
2021/10/21
2018年1月，有关“南美洲新近系Orinoco三角洲大陆架及陆架边缘沉积演化”的研究成果刊发在美国地质学会国际重要期刊《Geological Society of America Bulletin》上。该文第一作者为中国地质大学资源学院副教授陈思博士。
关于举办“Turbulent Mixing and Sediment Transport in the Ocean”学术研讨会的通知
Coastal morphodynamics sedimentology
2016/7/27
我院吴加学教授与班戈大学的Tom P Rippeth 教授，将于2016年9月12日-14日在中山大学举行 “Turbulent Mixing and Sediment Transport in the Ocean”国际研讨会，请详见以下 本次研讨会的邀请信。
Multivariate analysis for geochemical process identification using stream sediment geochemical data: A perspective from compositional data
geochemical process identification k-means robust factor analysis Nanling belt log ratio transformation
2017/4/10
Identification of underlying geochemical processes based on samples of different types such as stream sediments,
soils, and water is important for a range of applications including mineral exploratio...
Sediment buried in Oregon Coast Range points to a frosty past
Sediment buried Oregon Coast Range points frosty past
2015/12/7
Lush greenery rich in Douglas fir and hemlock trees covers the Triangle Lake valley of the Oregon Coast Range. Today, however, geologists across the country are more focused on sediment samples dating...
Sediment transport dynamics near a river inflow in a large alpine lake
Sediment transport dynamics large alpine lake
2015/6/30
Sediment dynamics were investigated in Lake Maggiore, Italy, with field observations from October to mid-December 2012. Three moorings were deployed in Pallanza Bay, a small embayment on the western s...
Nanoparticles accumulate quickly in wetland sediment
wetland sediment Nanoparticles accumulate
2014/10/9
A Duke University team has found that nanoparticles called single-walled carbon nanotubes accumulate quickly in the bottom sediments of an experimental wetland setting, an action they say could indire...
Nitric oxide turnover in permeable river sediment
Nitric oxide turnover permeable river sediment
2014/7/10
We measured nitric oxide (NO) microprofiles in relation to oxygen (O2) and all major dissolved N-species (ammonium, nitrate, nitrite, and nitrous oxide [N2O]) in a permeable, freshwater sediment (Rive...
Sediment erosion revealed by study of Cs isotopes derived from the Fukushima Dai-ichi nuclear power plant accident
Fukushima Dai-ichi nuclear power plant accident Cs isotopes erosion Vietnam mega-delta
2017/4/11
Deltaic sediments of the Mekong River delta sampled from a tidal beach in Vietnam during the wet season (late
October 2011) showed strong 137Cs and 134Cs activities reflecting radionuclides released ...
Sediment storage by vegetation in steep bedrock landscapes: Theory, experiments, and implications for postfire sediment yield
Sediment storage by vegetation steep bedrock landscapes Theory experiments implications postfire sediment yield
2014/4/8
Mechanistic models for sediment transport on hillslopes are needed for applications ranging from landscape evolution to debris-flow hazards. Progress has been made for soil-mantled landscapes; however...
Lateral sediment sources and knickzones as controls on spatio-temporal variations of sediment transport in an Alpine river
Sediment transport Critical shear stress Return period floods Particle entrainment Basin hydrology Swiss Alps
2014/5/20
Modern mixed alluvial-bedrock channels in mountainous areas provide natural laboratories for understanding the time scales at which coarse-grained material has been entrained and transported from thei...
Investigation of cesium adsorption on soil and sediment samples from Fukushima Prefecture by sequential extraction and EXAFS technique
cesium adsorption clay minerals sequential extraction extended X-ray absorption fine structure (EXAFS) Fukushima
2017/4/11
Previous studies have shown that radiocesium (mainly 137Cs) was retained at the very surface of soils in Fukushima
Prefecture. Clay minerals and micas are assumed as the main sorbents for cesium (Cs)...
Analysis of historical trend of carotenoid concentrations in sediment cores from Lake Shinji, Japan
eutrophic oligohaline lake ecosystem phytoplankton carotenoids sediment
2017/4/11
The historical trend of the concentrations of carotenoids originating from phytoplankton in sediment cores collected at
two sites in Lake Shinji, a eutrophic oligohaline lake was investigated to clar...
Osmium concentrations and 187Os/188Os ratios of three sediment reference materials
Os concentration Os isotope sediment reference material Geochemical Survey of Japan heterogeneous Os
2017/4/11
187Os/188Os ratios and osmium concentrations were analyzed in sedimentary reference materials JSd-3, JMS-1, and
JMS-2, issued by the Geological Survey of Japan, using the isotope dilution method with...