Sentences with phrase «from upstream dams»

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

• Nearly three dozen US nuclear power plants are inadequately protected against major flooding from an upstream dam failure, flooding that could easily lead to an accident on the scale of the 2011 Fukushima Disaster.

Not exact matches

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.

Unlike its cousin, this species (B. vaillantii) can make it through both dam bypasses and into the upper reservoir, and from there swims another 1000 kilometers or so upstream to Peru's Madre de Dios watershed.

Govender cites changes to the river's ecosystem that stem from infrastructure outside the park, including hundreds of coal - mining operations upstream, where crocodiles have disappeared almost completely, and a dam downstream of the gorge.

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.

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.

Indeed, the flow could have resulted from a partial diversion of known catastrophic floods unleashed upstream when natural lake dams broke tens of thousands of years ago.

Both fish species swim downstream during droughts and return during normal water flow, but the construction of dams, or stream fragmentation, prevents fish from returning upstream.

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.

The team found a drastic reshuffling of scarcity hotspots over time, with mostly people upstream benefiting from the damming of river flows, but those downstream left high and dry (Nature Communications, doi.org/b8rs).

Among the South African crocodiles tested, PFAA levels were highest for animals tested from Flag Boshielo Dam, a reservoir on the Oliphants River, just upstream from Kruger National Park.

From memory, the Oroville Dam was designed to accompany another dam upstreDam was designed to accompany another dam upstredam upstream.

Design outflow was calculated from the overtopping and expected failure of the upstream Butt Valley Dam.

Belo Monte has been shown to be financially unviable without upstream dams, but it was built anyway with 80 % of the funding from subsidized financing from BNDES, Brazil's National Bank for Economic and Social Development.

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.

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.