News tagged with river channels


Underwater exploration seeks evidence of early Americans

Space & Earth / Earth Sciences

created Jul 09, 2009 | popularity 3.3 / 5 (4) | comments 0

Where the first Americans came from, when they arrived and how they got here is as lively a debate as ever, only most of the research to date has focused on dry land excavations. But, last summer's pivotal underwater exploration ...





Search results for river channels


Italy worried about summer drought

Space & Earth / Environment

created May 05, 2007 | popularity 4.8 / 5 (4) | comments 0

A state of emergency has been issued in central and northern Italy as the country braces for the possibility of a drought.


Global view of valleys on Titan shows north south contrast

Global view of valleys on Titan shows north south contrast

Space & Earth / Space Exploration

created Sep 16, 2009 | popularity 4.5 / 5 (10) | comments 0

A team of international scientists led by Mirjam Langhans, from the German Aerospace Center (DLR), will present first results of a global analysis of spatial patterns, occurrence and origin of river channels ...


Living, Meandering River Constructed

Living, Meandering River Constructed

Space & Earth / Environment

created Sep 29, 2009 | popularity 4.6 / 5 (5) | comments 0

(PhysOrg.com) -- In a feat of reverse-engineering, Christian Braudrick of University of California at Berkeley and three coauthors have successfully built and maintained a scale model of a living meandering ...


River restoration poorly coordinated, evaluated

Space & Earth / Environment

created Nov 13, 2007 | popularity 5 / 5 (2) | comments 0

The process of river restoration in the U.S. is uncoordinated at almost every level. Project scales are rarely linked to goals, and evaluation is rarely reported or used to assess whether these goals are achieved. A new study ...


Scientist discovers beavers building prime salmon habitat in Skagit Delta

Biology / Ecology

created May 24, 2009 | popularity 5 / 5 (6) | comments 1

As sometimes happens with science, Greg Hood went looking for one thing, and found something else: tidal beavers.


Gulf exploration yields evidence of raw materials used by early Americans

Gulf exploration yields evidence of raw materials used by early Americans

Other Sciences / Archaeology & Fossils

created Aug 31, 2009 | popularity 4.4 / 5 (5) | comments 0

In one of the more dramatic moments of an underwater archaeological survey co-led by Mercyhurst College archaeologist James Adovasio along Florida's Gulf Coast this summer, Andy Hemmings stood on an inundated ...


Comcast: No plans to sell fourth-place NBC network

Technology / Business

created Dec 07, 2009 | popularity not rated yet | comments 0

(AP) -- Comcast executives say they have no plans to sell NBC Universal's broadcast TV business when they take control of the company.


Map of the Sahara

Which way 'out of Africa'? New evidence provides an alternative route 'out of Africa' for early humans

Other Sciences / Other

created Oct 14, 2008 | popularity 4.7 / 5 (29) | comments 0

(PhysOrg.com) -- The widely held belief that the Nile valley was the most likely route out of sub-Saharan Africa for early modern humans 120,000 year ago is challenged in a paper published this week in the ...


The Meandering Channels of Mars

The Meandering Channels of Mars

Space & Earth / Space Exploration

created Dec 10, 2009 | popularity 4.2 / 5 (6) | comments 5

Sinuous channels on the Martian surface may be evidence of relatively recent rainfall. Researchers plan to test this hypothesis by studying sinuous streams on Earth.


Downstream ecosystems aided by Beaver dams

Space & Earth / Environment

created Jun 05, 2006 | popularity 4.5 / 5 (2) | comments 0

U.S. scientists say beavers, known for their beneficial environmental effects near their dams, are also critical in maintaining downstream ecosystems.



List of search results for river channels