Sentences with phrase «lake bottom»

Like the time earlier this summer when he and a fellow animal control officer were chasing horses on a dry lake bottom.

Honeywell will continue capping about 450 acres of lake bottom with a sand mixture; that work is expected to be done in 2016.

The Fossils Fossils don't form on lake bottoms today, nor are they found forming on the bottom of the sea.

One of my favorites, lake bottom sediments, from multiple lakes, give a better Global Temperature graph.

Like all modern paleontologists, Therrien was acquainted with the spectacular feathered - dinosaur fossils of the Liaoning beds in China, where the idea that dinosaurs are the ancestors of birds got its biggest boost, thanks to the preservation of feathers — both the thread - like ones known as «dinofuzz» and the more familiar shafted kind — in the silky mud of an ancient lake bottom.

The layer of sand Honeywell has applied to the Onondaga Lake bottom to keep toxic mercury and other chemicals in place has failed at least three times since 2012, spilling wastes onto areas of the lake that had been relatively clean.

Honeywell officials plan to announce at a 10 a.m. news conference that the removal of about 2.2 million cubic yards of toxic - laden lake bottom — more than enough to fill the Carrier Dome — has been completed a year ahead of schedule.

Honeywell will announce today it has completed dredging 2.2 million cubic yards of contaminated lake bottom a year ahead of schedule.

This depth tolerance, coupled with the fact that quaggas don't require a hard surface to attach to, means they can blanket vast swaths of lake bottom inaccessible to zebra mussels.

This involves looking for what Horton calls «depositional places» — coastal plains, coastal lake bottoms, any place to plunge a hollow metal cylinder six or seven meters down and produce a readable sample.

They found that high rates of carbon accumulation in lake sediments were stimulated by several factors, including «thermokarst erosion and deposition of terrestrial organic matter, -LSB-...] nutrient release from thawing permafrost that stimulated lake productivity, and by slow decomposition in cold, anoxic lake bottoms.»

As demonstrated on Earth, the organic remains of long - ago life are far better preserved in the muddy deposits of a quiescent lake bottom.

Diatomaceous earth is mined from underwater beds or from ancient dried lake bottoms thousands of years old.

nd fisherman have built rickety cabins that sit on thin wooden piers driven into the muddy lake bottom.

The cycle works like this: Thawing permafrost dumps tons of previously frozen organic material into lake bottoms, producing methane.

Hansen's research also omits more recent studies of ice core samples, lake bottom samples, and tree ring studies all showing a natural cyclical occurrence the Earth has seen many times before.

Geologically speaking Hillsboro is located in a large, flat, and ancient dried lake bottom surrounded by some of the most fertile farmland in the world.

But in 1990, the Lake Michigan Federation convinced a federal judge that the state's sale of 18 acres of lake bottom to Loyola was illegal because the transaction would benefit a private interest rather than the public.

In Chicago, the Park District will use a new high - tech system that uses computer software to give real - time predictions of bacteria counts based on such factors as water temperature, modeling of the lake bottom and wave action monitored by buoys.

Honeywell is spending $ 451 million to dredge and cap the lake bottom, and keep industrial contaminants from leaching into the lake.

The covering of about 450 acres of the lake bottom with a sand mixture will continue into 2016.

Martens predicted last summer that the state would receive applications for swimming after Honeywell finished dredging the lake bottom.

«In some areas of the lake bottom, the cap is merely six inches of sand,» Heath said.

The muck from the lake bottom, contaminated with mercury and other chemicals, was shipped via pipe about four miles to Camillus.

«At least 80 percent of the mercury and 26 other toxic chemicals that are in the lake bottom sediments have been left there for future generations to face.»

«Because this «remediation» plan allows the corporation to leave toxins in the lake bottom and in the ground and ground water under its former chemical factories, we are left with Band - Aid measures to try to hold the toxins in place and cover them up,» Heath said.

The pipeline to Camillus will be sent to a recycling facility, and the entire landfill area containing the lake bottom will be covered with a liner, the company said.

At night, shrimp move into the water column, but by dawn they sink back to the lake bottom to hide in crevices and holes, including the shelters that the fish have dug out under stones.

As the top layer gets shallower, the oxygenated area of the lake bottom shrinks, reducing habitat for bottom dwellers such as molluscs and arthropods.

The microscopic resting stages must be regularly swallowed by birds mucking about in the lake bottom, Figuerola says.

«People really don't grasp what has happened here,» Bootsma explains to me on a frigid early November day as he straps on a scuba tank, climbs over the back of the boat and plunges to the lake bottom 30 feet below.

One study on southeastern Lake Michigan revealed that by 2009, phytoplankton levels in springtime — the prime plankton - growing time of year — had dropped nearly 90 percent since the mussels took over the lake bottom.

They give off heat - trapping gases such as carbon dioxide and methane, while simultaneously tucking away carbon in decaying layers of organic muck at lake bottoms.

Focusing on two stickleback species — one that dwells in the grassy shallows of the lake bottom and another that inhabits open water — the researchers found that different parts of the fish skeleton, even those that lie close to one another, are controlled by different chromosome regions.

On the other hand, the more we profiled the lake bottom, the more perplexed we became.

The other subject of the research was the impact of native chironomids, which are insect larvae that live in the sediment on the lake bottoms.

Working in the Bolivian section of Titicaca (it straddles Bolivia and Peru), Duke University geologist Paul Baker and his colleagues extracted cores up to 46 feet long from the lake bottom.

The lack of oxygen in deep water would help explain the wonderful preservation of creatures whose remains fell to the lake bottom.

As the permafrost disappears, carbon - rich material like grass roots, once trapped in icy soil, sinks to lake bottoms, where bacteria convert it into the greenhouse gas methane.

That in turn affects how much light can get into the water column, which may affect biological productivity in the lake, and it also increases the rate of mineral sediment deposition on the lake bottom.»

«This includes 14 weather stations, 10 stream stations, 11 ADCPs, and five vertical profilers, which collect data from the surface all the way down to the lake bottom; deployed in the deepest areas of the lake.

If the snow's thickness reaches about 2,000 feet before the downward growing ice touches the lake bottom, the lake will be insulated enough to hold enough of the slight amount of geothermal heat coming up through the floor of the lake to prevent complete freezing.

«These sensors are most commonly deployed on the lake bottom at multiple locations and they are pointed up toward the lake surface.

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

It is amazing to think that the area where Curiosity is roving now used to be a lake bottom.