Results 21 to 30 of about 1,154,828 (344)

Hydrodynamic Process of Partial and en Masse Dam Failure Induced Debris Flows

open access: yesFrontiers in Environmental Science, 2022
Because of landslides, seismic events, and/or unregulated human activities, a massive amount of loose solid materials are sometimes deposited at the confluence between the branch valley and stem stream, or blocked at the lateral channel contraction ...
Anping Shu   +6 more
doaj   +1 more source

Influence of salinity and water content on soil microorganisms

open access: yesInternational Soil and Water Conservation Research, 2015
Salinization is one of the most serious land degradation problems facing world. Salinity results in poor plant growth and low soil microbial activity due to osmotic stress and toxic ions.
Nan Yan   +4 more
doaj   +1 more source

Metagenomic Approaches to Explore the Quorum Sensing-Mediated Interactions Between Algae and Bacteria in Sequence Membrane Photo-Bioreactors

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
Algal–bacterial water treatment is more effective for better harvesting and promotes energy savings than other traditional treatments, while the relationships between them are multifarious.
Xiaogang Wu   +9 more
doaj   +1 more source

Hydraulic and mechanical properties of glacial sediments beneath Unteraargletscher, Switzerland: implications for glacier basal motion [PDF]

open access: yes, 2001
The force on a ‘ploughmeter’ and subglacial water pressure have been measured in the same borehole at Unteraargletscher, Switzerland, in order to investigate ice–sediment coupling and the motion at the base of a soft-bedded glacier.
Agassiz   +57 more
core   +1 more source

Integrated biogeography of planktonic and sedimentary bacterial communities in the Yangtze River

open access: yesMicrobiome, 2018
Background Bacterial communities are essential to the biogeochemical cycle in riverine ecosystems. However, little is presently known about the integrated biogeography of planktonic and sedimentary bacterial communities in large rivers.
Tang Liu   +11 more
doaj   +1 more source

Controls on Cyclic Formation of Quaternary Early Diagenetic Dolomite

open access: yesGeophysical Research Letters, 2018
The origin of sedimentary dolomite and the factors that control its formation within the geological record remain speculative. In most models, dolomite formation is linked to evaporative conditions, high water temperature, increasing Mg/Ca ratio ...
J. McCormack   +3 more
doaj   +1 more source

Possibilities and challenges of expanding dimensions of waterway downstream of Three Gorges Dam

open access: yesWater Science and Engineering, 2019
The waterway in the middle and lower reaches of the Yangtze River has long been known as the Golden Waterway and has served as an important link in the construction of the Yangtze River Economic Belt.
Tao Yan   +4 more
doaj   +1 more source

Effects of typical artificial reefs on hydrodynamic characteristics and carbon sequestration potential in the offshore of Juehua Island, Bohai Sea

open access: yesFrontiers in Environmental Science, 2022
The ocean system provides abundant food resources and suitable habitats for numerous animal and plant species. However, the ecological health of the ocean system has deteriorated due to intensified human activities over the past decades.
Anping Shu   +7 more
doaj   +1 more source

Seismic characteristics of sediment drifts: An example from the Agulhas Plateau, southwest Indian Ocean [PDF]

open access: yes, 2001
Sediment drifts provide information on the palaeoceanographic development of a region. Additionally, they may represent hydrocarbon reservoirs. Because of this, sediment drift investigation has increased over the last few years. Nevertheless, a number of
Uenzelmann-Neben, Gabriele
core   +1 more source

Sampling Strategies to Improve Passive Optical Remote Sensing of River Bathymetry

open access: yesRemote Sensing, 2018
Passive optical remote sensing of river bathymetry involves establishing a relation between depth and reflectance that can be applied throughout an image to produce a depth map. Building upon the Optimal Band Ratio Analysis (OBRA) framework, we introduce
Carl J. Legleiter   +2 more
doaj   +1 more source

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