Sentences with phrase «from lake»

Once they reached the lake, they sampled both water and sediment from the lake bottom.

A few weeks ago, Russian divers extracted a 1,250 - pound chunk of the infamous Chelyabinsk meteorite from a lake where it landed on February 15.

NOAA's Office of National Marine Sanctuaries serves as the trustee for a network of underwater parks encompassing more than 600,000 square miles of marine and Great Lakes waters from Washington state to the Florida Keys, and from Lake Huron to American Samoa.

«The sensors are bringing in massive amounts of data from the lake, currently exceeding 220 million data points since 2014,» Relyea comments.

On the north edge of the Bodélé, these winds have removed 4 meters (13 feet) of solid stone from the lake bed.

Significant input sources are: precipitation onto the lake, runoff carried by streams and channels from the lake's catchment area, groundwater channels and aquifers, and artificial sources from outside the catchment area.

A 12,000 - Year - Long, Annually - Resolved Varve Record Spanning the Last Interglacial from Lake Bosumtwi, Southern Ghana Nicholas McKay, Jonathan Overpeck, Timothy Shanahan, John Peck, Clifford Heil, John King, Chris Scholz

In addition, we analysed sequence data from sixty individuals representing six closely related species from Lake Victoria, and show genome - wide diversifying selection on coding and regulatory variants, some of which were recruited from ancient polymorphisms.

When they took a sediment core from a lake originally created as part of a moat in the Danish capital of Copenhagen, they found centuries» worth of dirt, refuse and pollution particles, with the earliest mud layer dating to 1649.

Late - Holocene climate variability in southern New Zealand: A multi-proxy study of laminated lake sediments from Lake Ohau to reconstruct regional climate Heidi Roop, Marcus Vandergoes, Richard Levy, Gavin Dunbar, Sean Fitzsimons, Jamie Howarth, Bob Ditchburn, Gary Wilson, Jennifer Purdie

This hypothesis was experimentally tested by determining the effect of different diets on the head and jaw morphology of split broods of several species of haplochromine cichlids from Lake Malaŵi, Africa, and two substrate - spawning cichlids, one from the Old World, Tilapia mariae (Boulenger), and one from the New World, Herichthys cyanoguttatum (Baird and Girard).

The sequenced species include the Nile tilapia, representing the ancestral lineage, and four East African species: a species that inhabits a river near Lake Tanganyika; a species from Lake Tanganyika that appeared 10 - 20 million years ago; a cichlid species from Lake Malawi that appeared less than 5 million years ago; and a very recent species from Lake Victoria that radiated less than 15,000 to 100,000 years ago.

«Methane transport from the active layer to Toolik Lake can account for a large fraction of methane emissions from this lake,» Paytan said.

Here we report an observation of the YTT in Africa, recovered as a cryptotephra layer in sediments cored from Lake Malawi > 7,000 km west of the source volcano in Sumatra.

-LSB-...] water supply from Lake Huron (via Detroit's water system) to the Flint River, which Virginia Tech researchers found had water 19 times more corrosive than the previous -LSB-...]

People in this small fishing village along the shore of Lake Tanganyika rely heavily on the small sardines from the lake for their own food.

Wolfe - Simon and her colleagues collected mud from the lake and added the samples to an artificial salt medium lacking phosphate but high in arsenate.

Late Pleistocene temperature history of Southeast Africa: A TEX86 temperature record from Lake Malawi

The researchers found bits of pollen, algae, insects, sand and minerals in the samples from Lake Yoa in northern Chad, which they determined had accumulated into thin layers over the past 6,000 years.

The Chicago and Calumet Rivers carry the city's storm and treated sewer water away from Lake Michigan by re-directing it into the Cal - Sag and Chicago Sanitary and Ship canals and the Des Plaines River, south to the Illinois River, Mississippi River, and Gulf of Mexico.

«A mammoth undertaking, the canal originally had four aqueducts and 17 locks to enable navigation of the 140 - foot drop from Lake Michigan to the Illinois River,» Olson says.

To assess the climate in that area before and after Cantona's collapse, UC Berkeley geographers analyzed sediment cores from a lake located 20 miles south of the former city.

And from glacial melt to the declining lake ice to changes in lake ecology, the results from Lake Hazen on Ellesmere Island in Canada are alarming.

Children of women who ate more contaminated fish from Lake Michigan performed more poorly on memory tests and other IQ tests than their peers.

If the upper basin fails to deliver the mandatory amount of water from Lake Powell to Lake Mead, the lower basin states of Arizona, Nevada and California could make a «compact call» for their water.

The waterfalls pouring from the lake might have been 50 meters high or taller, Gupta says, although it's difficult to know.

Each microcosm contained the same amount of water and sediment from the lake.

To distinguish between water quality impacts from groundwater and stormwater runoff from the St. Lucie Estuary versus other impacts directly related to periodic discharges from Lake Okeechobee, Lapointe and his collaborators conducted a comprehensive analysis of the interactions of septic systems, groundwater, and surface waters.

To avoid a repetition of this disaster, the gas load is slowly removed from the lake.

The sediment samples that Berke studied came from Lake Malawi in southeast Africa, whereas data used for the savanna hypothesis came from the north.

The competitors included a broad range of organisms common in the environment, some of them retrieved from a lake near the Georgia Tech campus.

«The eDNA from a lake is «dirty» DNA,» Davis says.

The river water reaching the Nile Delta does not contain a third more salt than before the Aswan High Dam was built: it is the same amount of salt, only more concentrated due to the evaporation from Lake Nasser.

Creatures that drank from the lake, including bats and birds that grabbed a sip as they swooped across its surface, could have succumbed to the substances dissolved in the lake, those scientists suggest.

«This understanding of fish distributions can inform policy decisions, such as how many walleye, yellow perch and others can be fished from the lake.»

It was first found in the state of NSW in 2000 and has spread to at last 14 NSW estuaries or lakes, from Lake Macquarie in the north to Wallagoot Lake in the south.

Sediments from Lake Malawi, in eastern Africa, for example, don't show evidence for a dramatic change in plant life around the time of the eruption.

A «gold rush» to extract valuable methane from the lake's depths might trigger an outburst of gas that could wash a deadly, suffocating blanket over the 2 million people who live around Kivu's shores.

In the simulation, this caused a plume of warm, moist air to rise from the lake at a top speed of 194 kilometres per hour, similar to the updraft speed in thunderstorms on Earth.

Preliminary calculations on the latest data from Lake Nyos suggest that the deep water was only 50 per cent saturated in 1986.

Most of the water used in the North Dakota Bakken comes from Lake Sakakawea.

Brine from the desalination plant would be discharged into the already - saline Dead Sea, replenishing water that is evaporating from the lake at a rate of more than 1 meter per year.

Since the geysers are ejecting material from the lake up into space, a probe could simply take a few passes through the plumes, sweep up samples and fly them back home for study in terrestrial labs.

«There was no pattern across the whole Hudson River — from Lake Tear of the Clouds, an alpine remote beauty, down to the heaving, thriving Manhattan,» said Miller, who is a co-author on the study.

This past November found Pokorny flying a small Cessna from Lake Naivasha up the hills to the Mau Forest, where land surface temperatures in woodlands measured 19 degrees C; agricultural land that until recently had been forest hovered close to 50 degrees C.

Other eDNA data — in this case from lake sediments — are illuminating how the postglacial thaw transformed other landscapes too, such as temperate forests.

Sediment core samples drawn from Lake Titicaca, South America's largest freshwater lake, have revealed a 25,000 - year precipitation record that may rewrite the books on ancient climate.

This dirty ice represented muddy water from Lake Vostok that had frozen back onto the bottom of the ice sheet.

Reed Scherer, a marine micropaleontologist from Northern Illinois University, saw evidence of this when he smeared mud from the lake onto a glass slide.

Residents of the Salt Lake Valley may have noticed a byproduct of the sulfate - breathing bacteria — sulfide, a stinky rotten egg smell emanating from the lake.