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7 July 2016

Future astronauts might not be able to use water on Mars, study suggests

Last year, scientists made a splash with the news that dark streaks on the Martian surface were signs of flowing liquid water. So far, they have been unable to determine where the water is coming from, but a new study uses recently acquired data of a large canyon system on Mars to eliminate some of the possibilities.

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22 June 2016

It is what it is – searching for symbiosis

Andreas Novotny thought he would find Hemiaulus here. He has not. “It is what it is, which is fine,” he says. “What we need to do is figure out why.” Andreas is a PhD. student and his research focuses in the symbiotic relationship between a kind of plankton, a Diatom called Rhizosolenia, and a Nitrogen-fixing Cyanobacteria, called Richelia.

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2 June 2016

In desert suburb, homes in homeowners’ associations use less water, study finds

A new study finds that in a Phoenix suburb, homeowners’ associations are good for water conservation. According to the study, homes in HOAs in Goodyear, Arizona use up to 17,000 fewer liters of water (4490 gallons) in the peak month of July compared to their non-HOA counterparts, roughly the amount needed to fill eleven hot tubs.

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20 April 2016

Asian irrigation influences East African rain

Irrigation from agriculture can directly influence climate thousands of kilometers away and even leap across continents, new research finds. Up to 40 percent of the rain in some regions of East Africa can be attributed to irrigation used in agriculture in Asia, according to a new study published in Geophysical Research Letters.

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19 April 2016

Standards dramatically advance streamflow and flood forecasting in the U.S. and elsewhere

his is a story about how water data standards, computational hard work, high-performance computing, serendipity and synergy led to an operational capability for nationwide forecasting of streamflow and flooding at high-resolution, in near-real-time. This has been evolving for several years now, but has gone into hyper-drive in just the last couple years.

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16 March 2016

Sleeping, showering and working on the ship

On Monday night, I slept for the first time on the ship while it was moving. Laying in my top bunk, swaying side to side, I could hear the water moving and waves hitting the side of the boat. The motion of the ship rocked me to sleep, but every so often the boat would rock further sideways, and I would have to brace myself so I wouldn’t fall out of the top bunk. I could also hear the CTD hitting the deck periodically while the night crew did their work.

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15 March 2016

A rough ride down the Oregon coast

When you plan a research cruise in the winter in Oregon, there’s a good chance the weather will change your plans. That’s what happened to us this weekend. We were finally able to get back out on the ocean on Monday afternoon and we drove south to the Umpqua Hydrographic line – a seven-hour trip. It was a rough ride and most people spent it in their bunks or in the lounge, where books flew off the shelves when we hit particularly rough spots.

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14 March 2016

Waiting for the weather to clear

On Sunday afternoon, we headed back to Newport. The scientists and crew were closely watching the weather to see when we will be able to head back on the water. The down time gives Goni and his team some time to filter water samples that were collected from the Newport Hydrographic Line on Friday. The samples are one piece of a larger project trying to figure out how small coastal rivers are influencing coastal ocean productivity during the winter.

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22 May 2014

Applying science to natural resource policy issues: Social science joins natural and physical sciences

By Jana Davis, Executive Director, Chesapeake Bay Trust As AGU members, we generally focus on the contribution of physical and natural science solutions to policy questions. But sometimes an issue calls for us to step outside the boundaries of these “hard” sciences to the social sciences. Areas in which many of us tend to be less comfortable. And less trained. Watershed restoration and protection can be just such an issue. …

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6 November 2013

Top 5 Reasons You Should Check out AGU’s Thriving Earth Exchange, and more information

AGU has launched the Thriving Earth Exchange, a new initiative that supports communities as they protect themselves from hazards, adapt to a changing planet, and create sustainable futures. Featured in this week’s edition of Eos, learn more about the program where AGU members will work with local leaders to contribute their Earth and space science expertise to significant societal challenges. The Thriving Earth Exchange is inspired by a series of …

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4 June 2013

The Water-Energy Nexus: Challenges to Meet Growing Demands

Water and energy are linked resources in ever-increasing demand in the United States.  Energy production requires an abundant, reliable, and predictable source of water, a resource that is unfortunately in short supply already throughout large portions of the U.S.  Additionally, developing water supplies can require large amounts of energy to extract, transport, treat, and distribute.  As such, the water-energy nexus presents a significant challenge for our country’s water resource and …

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5 August 2011

Flowing Water Seen on Mars?

What you’re seeing here is a series of HiRISE images of a crater wall on Mars. Starting in the spring, hundreds of dark streaks form and make their way downhill, and then they fade in winter. The leading hypothesis is that they are flowing salty water, but I am still skeptical.

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3 January 2011

AGU 2010 – Days 3 and 4: Exoplanets, Impact Basins and Alteration

Now that it’s a New Year, it’s time I wrapped up my AGU 2010 recaps. This post covers Wednesday and Thursday, with lots of good stuff about super-earth exoplanets, impacts on the Moon and Mars, and lasers on Venus!

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24 February 2008

Mapping Meridiani: Part 1

The mantra of Mars exploration is “follow the water,” and my research is no exception. Lately, I have been looking closely at the the Meridiani region on Mars, searching for evidence of water-formed minerals near some of the potential landing sites for the upcoming Mars Science Laboratory (MSL) mission. MSL’s primary goal is to figure out whether Mars is, or ever has been, a habitable planet, so you can bet …

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