Signal: declining river flow
amazon_precip_2010

Amazon hit by two 100-years droughts in last 5 years

by on 04. Dec, 2010 in Uncategorized

The Amazon experienced its second 100-year drought in five years this year. The record drought began in April, during the usual start to the region’s dry season, when rainfall less than 75% of average fell over much of the southern Amazon (Figure 2.) The drought continued through September, and by October, when the rainy season [...]

RioNego

Amazon’s Rio Negro fell to lowest level ever in October

by on 18. Nov, 2010 in Uncategorized

NOAA State of the Climate Report: Continued dryness in Brazil’s north and west Amazonia brought the worst drought conditions in the past 40 years to the region. In the jungle city of Manaus, the Rio Negro (Black River)—one of the most important tributaries of the Rio Amazonia (Amazon River)—fell to its lowest level of 44.7 [...]

BrazilRainDeviation

Missing rains in Brazil follow model forecast for climate change

by on 28. Oct, 2010 in Uncategorized

The government’s geological service said on Monday that the Rio Negro was measured at a depth of 13.63m the previous day near the jungle city of Manaus, the lowest since a measuring system was implemented in 1902. Manaus, in northern Brazil, is where the Rio Negro is at its deepest and where it merges with [...]

AmazonDeadFish

Amazon rivers at record lows, linked to climate change

by on 28. Oct, 2010 in Uncategorized

A severe drought has pushed river levels in Brazil’s Amazon region to record lows, leaving isolated communities dependent on emergency aid and thousands of boats stranded on parched riverbeds. The drought fits a pattern of more extreme weather in the world’s largest rain forest in recent years and is, scientists say, an expected result of [...]

YellowRiverDry

Yellow River run-off declining, driven by climate change

by on 03. Sep, 2010 in Uncategorized

Excerpt from Nature: …the Yellow River shows a persistent decline in runoff . This decline is more pronounced from the upper to the lower basin. Daily drying-up of the river is observed more frequently at the Lijin hydrological station at the Yellow River mouth over the last 40 years, especially during the 1990s. The onset [...]