The mangrove - mimicking dams trap
some of the sediment carried by the tide, accumulating on the landward side.
They also suggest that the amount
of sediment carried to the mouth of the Amazon each year and then dumped offshore should increase over time — something actually seen in sediment cores drilled from that area.
Flooding not only raises river levels, but also increases the amount
of sediment they carry.
But the IPCC's prediction did not take into account the one billion tonnes
of sediment carried by Himalayan rivers into Bangladesh every year, the study funded by the Asian Development Bank said.
Quote from article, «IPCC's prediction did not take into account the one billion tonnes
of sediment carried by Himalayan rivers into Bangladesh every year.»
Not exact matches
Carried within the water column, accumulating on the ocean bottom or becoming entrained in marine
sediments — a spill
of Alberta bitumen might prove impossible to contain.
Now we know that the diverted river dumped about 30 per cent
of the
sediment it was
carrying — 5 million cubic metres
of sand — and it became new land, says Jeffrey Nittrouer at the University
of Illinois in Urbana - Champaign (Nature Geoscience, DOI: 10.1038 / ngeo1525).
Since
sediment carried by Bayou Lafourche 1,200 to 600 years ago only contained about 20 percent sand, but an abundance
of mud, the researchers suggest that land building can be maximized by gearing muddy diversions toward vegetated areas rather than to capture sandy deposits along the open waters
of the Gulf
of Mexico.
From the geochemical analyses
carried out on the
sediments deposited during the past 10,000 years in the Laguna de Rio Seco lagoon, a remote alpine lake in Sierra Nevada, at 3,020 m. above sea level, evidence has been found
of atmospheric pollution from lead.
And, unfortunately, the microbes» speed is limited not by the availability
of oil — or even its droplet size, which is why chemical dispersants have been used to break up the oil into microbe - friendly globules — but by the availability
of various nutrients, such as nitrogen and phosphorus that wash into the ocean via rivers
carrying sediments from the continents.
Over 160,000 cubic feet per second
of runoff,
carrying sediment eroded from Piedmont riverbanks and farm fields upstream, submerged the falls.
Large tsunamis could have
carried sediment onto the land and obscured parts
of the martian ocean's shoreline, according to a study published today in Scientific Reports.
Hydrate Ridge is a pile
of sediments that has been scraped off and piled up as the tectonic plate
carrying the northwest Pacific Ocean slides under North America.
This «purification» function is
carried out by the microorganisms present in their water column and
sediments and, with it, they improve the general quality
of the water and reduce the nitrogen load by promoting denitrification.»
The formula is the first physics - based
sediment transport model capable
of accurately describing how the Yellow River
carries sediment, Nittrouer and Ma say.
Widespread erosion in the river's upper regions caused it to
carry incredibly heavy loads
of sediment downstream where deposits gradually raised the river bed above levees and surrounding fields.
As they hoped, the river
carried away the
sediment and deposited most
of it in the Strait
of Juan de Fuca, the body
of water that connects Puget Sound to the Pacific Ocean.
It lost the power to
carry those countless tons
of sediment, which drifted to the bottom.
As wind and rain erode the mountain range, massive rivers
carry more than a billion tons
of sediment into the Bay
of Bengal each year; in some places, the layer deposited since the most recent ice age is more than one kilometer thick.
Carbonic acid dissociated to form hydrogen ions, which found their way into the structures
of weathering minerals, and bicarbonate, which was
carried down rivers and streams to be deposited as limestone and other minerals in ocean
sediments.
Sediment that is light enough to be carried by water without touching the stream bed is called suspended sediment, and is visible as cloudy or milky areas o
Sediment that is light enough to be
carried by water without touching the stream bed is called suspended
sediment, and is visible as cloudy or milky areas o
sediment, and is visible as cloudy or milky areas
of water.
Dust storms come in various shapes and sizes, but regardless
of their variations, what they do is similar — they
carry dust and
sediment from one place to another, regardless
of who or what is in their path.
But I got weathered Into wet
sediments Carried to the ocean There the little bits
of me Layered with other
sediments.
The
sediments carried by that river tend to deposit on the sides
of the river's current, causing predictable sand bars that force another type
of point break.
This is due to the fact that it is glacial water, and
carries lots
of sediments that glacial ice has carved off the Earth over the years.
However, it does not appear that granite and / or metasedimentary
sediment carried to the coast by the North Stann Creek or even the Sittee and South Stann Creek has had any great effect in building up any
of the cayes; nearly all the sand on the cayes in carbonate sand.
While there is some cause for optimism that GE will
carry through with the project — after all, it has spent $ 620 million on a state -
of - the - art facility to process PCB - laden river
sediment — the company's track record leaves considerable room for doubt.
Extraction
of 5 — 10 g
of freeze - dried
sediments was
carried out using an accelerated solvent extractor (DIONEX, ASE200; 100 °C, 5 min, 1000 psi) with dichloromethane: methanol (2:1, v / v) as a solvent.
The carbon loss occurred first through the removal
of the original vegetation, which stored much carbon in its leaves, stems and trunks; then through the oxidation
of carbon in newly exposed soils; and finally through increased soil erosion, which
carried away much
of the organic - rich
sediment during flooding.
Might be illuminating: «Dams, artificial channeling, and land conservation measures have caused a decrease in
sediment carried into the delta region, decreasing the rate
of build up
of the Delta.»
According to the invention,
sediments including clathrate - rich material disturbed from the sea floor are
carried upward, with the aid
of injection gas.
Assaulted by
sediment carried in floods, some canals suffered metres
of erosion in a short space
of time.
They found that the dense, salty water from the Marmara Sea — which leads out to the Aegean and Mediterranean Seas at the other end
of the Bosphorus — is flowing out
of the strait and along the bottom
of the Black Sea,
carrying along
sediment and nutrients that could be key in providing vital nutrients to remote parts
of the ocean.
Individual dust plumes from this source are clearly evident in MODerate Resolution Imaging Spectroradiometer (MODIS) true color imagery (28), occur ≈ 100 times per year, average 370 km × 700 km in area,
carry 700,000 tons
of sediment, and are responsible for up to 40 %
of the Aerosol Optical Thickness (AOT) over the equatorial Atlantic and Amazon basin (12).