Sentences with phrase «upstream dams in»

Not exact matches

Stearns told me that while the dam and canal are now preserved as a national historic landmark, the Concord River is so polluted by manufacturing plants upstream at Sudbury that his children would never think of fishing, swimming or boating in it.

She said the MDBA had to «be a kangaroo loose in the top paddock» if it believed it had the ability to manipulate flows from the upstream catchments, «piggy - back» releases from major dams on high tributary flows and deliver them downstream for five to six weeks.

Water used in this event was primarily drawn from «return flows», which is a term for environmental water already in the river from other upstream environmental watering actions, such as from the Goulburn River and Hume Dam.

And in the river's gorge just upstream from Massingir Dam in Mozambique, which also has seen croc declines, birds were absent, raising the possibility that they, too, have succumbed to the same agent.

Using a model of endangered Atlantic salmon in Maine's Penobscot River as a case study, NOAA researchers found that abundance, distribution and number of fish increased upstream when dams in the primary downstream segments of the river, also called «mainstem dams,» were removed or fish passage survival was increased.

Globally, salt marshes are being lost to waves, changes in land use, higher sea levels, loss of sediment from upstream dams and other factors.

The dam is slated for construction on the Xingu River in the midst of the Amazon rainforest and upstream from a national park that is home to indigenous groups.

In work published last year, Wohl and her colleagues found that sediment upstream of active beaver dams in the park contained about 12 % carbon by weight, most of it locked in wooIn work published last year, Wohl and her colleagues found that sediment upstream of active beaver dams in the park contained about 12 % carbon by weight, most of it locked in wooin the park contained about 12 % carbon by weight, most of it locked in wooin wood.

In recent fieldwork in Colorado's Rocky Mountain National Park, Wohl studied the wetlands and floodplains upstream of beaver dams — areas collectively called «beaver meadows» — along 27 streams draining watersheds covering more than 700 square kilometerIn recent fieldwork in Colorado's Rocky Mountain National Park, Wohl studied the wetlands and floodplains upstream of beaver dams — areas collectively called «beaver meadows» — along 27 streams draining watersheds covering more than 700 square kilometerin Colorado's Rocky Mountain National Park, Wohl studied the wetlands and floodplains upstream of beaver dams — areas collectively called «beaver meadows» — along 27 streams draining watersheds covering more than 700 square kilometers.

Large rivers in which upstream dam activity has led to water shortages downstream include the Yellow River in arid northern China; the Ganges, where upstream activity in India has damaged livelihoods in downstream Bangladesh; the Euphrates, where Turkish dams cause shortages in Iraq; and the Colorado river, where US abstractions leave little water for Mexico.

But the rapids classification is interesting because each rapid gets a classification based on also the water flow at any time because the flow of the Colorado River is determined by the water that's released from the Glen Canyon Dam which is a few miles upstream from where we put in at Lee's Ferry.

In the Mississippi River system, however, a series of dams on various upstream tributaries have reduced sediment supply to the delta, while levees on the lower part of the river have artificially channelized the flow, forcing sediments to be deposited beyond the delta in the deeper Gulf of MexicIn the Mississippi River system, however, a series of dams on various upstream tributaries have reduced sediment supply to the delta, while levees on the lower part of the river have artificially channelized the flow, forcing sediments to be deposited beyond the delta in the deeper Gulf of Mexicin the deeper Gulf of Mexico.

Storing water in upstream dams (originally planned to total five) would be necessary to run these turbines for a longer period in the year, with a large impact on the Belo Monte Dam's financial viability.

The level of water in the Oroville Dam has fallen by 52 feet, but that feat was largely accomplished by over-filing 9 upstream reservoirs.

After California Sea Grant identified that a flashboard dam was stopping endangered coho salmon from moving upstream, a recovery plan by the NOAA National Marine Fisheries Service billed it as the highest priority barrier for remediation in the Russian River.

A city on a fast - sinking river delta (and fast - sinking deltas, undermined by the pumping of groundwater and starved of sediment by dams upstream, are common Anthropocene environments) could spend millions of years buried and still, when eventually uncovered, reveal through its crushed structures and weird mixtures of materials that it is unlike anything else in the geological record.

Such waters are being threatened by several upstream dam projects in neighboring Turkey.

The project's extremely high cost and the river's large seasonal variations in flow have led many to believe that after completing Belo Monte, Brazil will build other dams upstream with greater storage capacity to guarantee there will be enough water for Belo Monte to generate electricity year - round.

Nearly three dozen nuclear power plants are inadequately protected against major flooding guaranteed to occur after an upstream dam failure — flooding that could easily lead to an accident or meltdown on the scale of the 2011 nuclear power disaster in Fukushima, Japan.

Though the Loharinag Pala hydroelectric project would not have involved building a huge dam, as Circle of Blue reports, the run - of - river project still would have diverted a 16 kilometer stretch of the river through pipes to generate electricity.In addition to stopping the project, construction on which had been on hold for over a year after scientist AD Agarwal nearly died in a hunger strike protesting the plan, a 135 kilometer stretch of the Bhagirathi River upstream of the town of Uttarkashi will be designated an «environmentally sensitive area», prohibiting future hydro or similar development projects.

Tim says» Nowhere in the extract below do the authors admit the existence of abstraction from the MD catchments via dams, upstream offtakes, and cretinous greens installing watertanks with their ability to prevent any rain ever reaching the MD»

In generating mode water can flow from the upstream storage, behind Talbingo Dam, through anything up to six turbines into the downstream storage, behind Jounama Dam.

If a system of locks and dams controls a river's flow, opening of dams downriver can cause dramatic drops in water levels upstream.