Sentences with word «fluvial»

Concentrations of dissolved arsenic are known to be particularly high in fluvial sediments with abundant organic material and limited oxygen supplies, e.g. in the deltas of the Ganges (Bangladesh) or the Red River (Vietnam); here, arsenic bound to iron oxides is released as a result of the chemically reducing environment.

In contrast to most whale fossils, which have been discovered in marine rocks, Kenya's beached whale was found in river deposits, known as fluvial sediments, said Jacobs, a professor in the Roy M. Huffington Department of Earth Sciences of SMU's Dedman College of Humanities and Sciences.

Thomas Dunne conducts field and theoretical research in fluvial geomorphology and in the application of hydrology, sediment transport, and geomorphology to landscape management and hazard analysis.

... Projected precipitation and temperature changes imply possible changes in floods, although overall there is low confidence in projections of changes in fluvial floods.»

Descending on parachutes through the orange organic haze, the probe recorded the sounds and speeds of gusting winds, and transmitted images of an eerily Earth - like fluvial landscape of valleys, deltas and sinuous channels carved by liquefied hydrocarbons rather than familiar H2O.

Thus, the preservation of primary soft tissues and biomolecules is not limited to large - sized bones buried in fluvial sandstone environments, but also occurs in relatively small - sized skeletal elements deposited in marine sediments.

«I doubt there's a Q.E.D. in the offing,» says planetary fluvial geologist Alan Howard of the University of Virginia, Charlottesville, but the deltas» strong clustering around a single elevation «does suggest we had to have something in the way of a large body of water.»

Planetary fluvial geologist Rossman Irwin of the Planetary Science Institute in Tucson, Arizona, is more skeptical of the delta evidence.

The poles were in a different position, precipitation in a south tropical band resulted in river networks, and active volcanoes enabled the Tharsis dome to grow, tilting the Martian surface after fluvial activity ended (3.5 billion years ago).

With the use of high - resolution images and topographic data from cameras on orbiting satellites, B.T. Cardenas and colleagues from the Jackson School of Geosciences identify fluvial deposit stacking patterns and changes in sedimentation styles controlled by a migratory coastline.

Experiments with the tilting flume also allowed Lamb and Prancevic to simulate important transitions in sediment transport: from no motion at all, to normal fluvial conditions in which sediment rolls along the streambed, to bed failure, in which the entire sediment bed gives way in a debris flow, stripping the channel down to bedrock.

Since the Andes is the principal source of sediments to the Amazon river system, the consequences of this massive reduction will be dramatic: river channels will become deeper, reducing seasonal floods which are necessary to bring fluvial sediments and nutrients to floodplain environments and provide connectivity between environments for both migrant fish and people.

It matched one of the many phenomena — fluvial processes, erosion by moving water — that HiRISE scientists hope to observe in better detail.

The ichnites or fossilised footprints of the Manyanet Valley (within the municipality of Sarroca de Bellera) are in two areas that differ in their environments: meandering fluvial systems in one and unconfined waters in the other.

Due to much - intensified human impact, the delta no longer functions as a naturally expanding fluvial - coastal center.

Braided fluvial channels (inset) emerge from the edge of glacial deposits roughly 210 million years old on the martian volcano Arsia Mons, nearly twice as high as Mount Everest.

Fluvial features on Mars seem to indicate that liquid water once flowed on the surface, yet climate theorists remain divided among how the red planet was able to sustain warm enough conditions in the distant past when the sun was fainter.

There is evidence of erosion at the base of the rocks, indicating possible fluvial activity.

Here, a moraine ridge of densified glacial rock material obviously resisted further densification upon impact, in contrast with the otherwise highly porous Quaternary fluvial sediments.

Douro, Faina Fluvial was followed by more documentary shorts, from 1932 to 1941, until he made his feature debut with the aforementioned Aniki - Bóbó in 1942, an allegorical tale shot in a spare, direct manner, with a cast composed for the most part of children.

«River science is rising like a flood: fluvial hydraulics, physical processes and sensor technologies»

The Mercado Fluvial is the main market of the area where boats come laden with all types of fish and other seafood.

Linking situations, stories, and characters, Tribe constructs an aural and visual dialogue that navigates between culture and nature as if they were part of the same fluvial path.

Visitors flow through the Metropolitan's Bonnard exhibition like a restrained fluvial event.

A research group led by the South Korean Pohang University has measured the effects of atmospheric and fluvial nitrogen deposition [through nitrate] in the coastal seas around China, Korea and Japan.

According to his archived profile at the Austrian Academy of Sciences website, Patzelt's research focus is in «Glacier and climate history research,» «Mass movements (landslides, fluvial Sedimentationsereignisse),» «Historic natural and cultural landscape development in alpine areas,» and «Participation in projects of Antarctic Research.»

In continental fluvial and coastal sections, changes in siliciclastic depositional facies reflect on increased frequency of high - energy events (e.g., extreme flooding), possibly from monsoon - like seasonal rains, and / or from unusually intense and / or sustained extra-tropical storms.

Back in the 1980's I came across a scientific paper by Robin Warner and Wayne Erskine in a book called «Fluvial Geomorphology of Australia».

Cambuskenneth Abbey is subject to coastal flooding and groundwater flooding and fluvial flooding (a river exceeding its normal capacity).

Sediment dynamics play an important role in shaping the Amazon's fluvial landscape, moving and depositing sand, rocks, soil, and nutrients from the Andes to the rest of the Amazon basin.

The thin - toed tracks in fluvial sandstone were likely made by two individual birds that were about the size of a great egret or a small heron, Martin says.

The great tilt triggered by Tharsis happened after fluvial activity ended (3.5 billion years ago), giving Mars the appearance it has today.

type of fluvial (river - formed) earthen terrace in which the flowing stream erodes the material aggraded on its banks.

Fining - upward interbedded sandstones and shales and coarsening - upward strata of the Volpriehausen Formation were deposited in fluvial and lacustrine environments40, 41.

Your post coincides with my reading of a book about meditation, «Turning the Mind Into an Ally» by Sakyong Mipham, and as the word «fluvial» has been swirling in the eddies of my mind all day.

«Where you have a cascade of dams, you really need a broader assessment,» says Mathias Kondolf, a fluvial geomorphologist at the University of California, Berkeley.

«But these fluvial environments aren't the best habitable environments,» Gupta says.

In what used to be a fluvial zone the researchers have identified ichnites (footprints) of temnospondyls (the predecessors of today's amphibians) of different sizes.

«In this study, the Fluvial Egg Drift Simulator (FluEgg) model allowed us to examine the complex dependencies between flow, temperature, and egg development,» said USGS hydrologist Ryan Jackson.

Griffith University has participated in the first international dating study of the fluvial terraces of the Lower Moulouya river in northeast Morocco.