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AGU Research Spotlight (Nov 16-Nov 22, 2018)

2018-11-23 09:45:17

Centennial Collection:

1. AGU Congratulates Its First "Celebrate 100 Grants" Awardees

The projects that these grants support showcase the far-reaching societal benefits of Earth and space science.

https://eos.org/agu-news/agu-congratulates-its-first-celebrate-100-grants-awardees

Climate Change:

1. Satellite Observations Validate Stratosphere Temperature Models

Since the 1970s, the stratosphere has cooled as ozone levels dropped and carbon dioxide levels increased. Chemical models of the temperature decline conflicted with satellite observations—until now.

https://eos.org/research-spotlights/satellite-observations-validate-stratosphere-temperature-models

2. Half of the World's Annual Precipitation Falls in Just 12 Days

Climate change is likely to make global precipitation more uneven, according to new research.

https://eos.org/scientific-press/half-of-the-worlds-annual-precipitation-falls-in-just-12-days

3. Tiny Marine Shells Reveal Past Patterns in Ocean Dynamics

A 400,000-year calcium carbonate record from the ocean floor sheds light on deep-ocean circulation and on mechanisms driving climate patterns and atmospheric carbon dioxide concentrations.

https://eos.org/research-spotlights/tiny-marine-shells-reveal-past-patterns-in-ocean-dynamics

4. Black Carbon Not the Primary Cause of Historic Glacial Retreat

Ice cores and glacial records reveal that European glaciers retreated before the rise of industrialization in the 1870s, suggesting that soot deposition did not primarily drive the shift.

https://eos.org/articles/black-carbon-not-the-primary-cause-of-historic-glacial-retreat

Hazards & Disasters:

1. Enormous Impact Crater Spotted in Greenland Under Glacial Ice

Ice-penetrating radar revealed a 31-kilometer impact crater—one of the world's largest—in northwestern Greenland that might have been formed fewer than 20,000 years ago.

https://eos.org/articles/enormous-impact-crater-spotted-in-greenland-under-glacial-ice

Space & Planets:

1. Cassini Reveals a Missing Link on Saturn's Rotating Aurora

The bright aurorae dancing in the sky are produced by charged particles traveling along the magnetic field lines from tens of planetary radii. By why do aurorae rotate at Saturn but not at Earth?

https://eos.org/editor-highlights/cassini-reveals-a-missing-link-on-saturns-rotating-aurora

Biogeosciences:

1. Sustainable Observations of Plankton, the Sea's Food Foundation

Workshop on Developing an Implementation Plan for a Sustained, Multidisciplinary Global Observing System of Plankton Communities; Santa Cruz, California, 25–27 June 2018

https://eos.org/meeting-reports/sustainable-observations-of-plankton-the-seas-food-foundation

2. Fish Continued to Spawn as Hurricane Harvey Swirled Overhead

Spotted seatrout, one of the most popular fish to catch on the shores of Texas, carried on their nightly baby-making ritual despite the havoc of a category 4 storm above.

https://eos.org/articles/fish-continued-to-spawn-as-hurricane-harvey-swirled-overhead

Geochemistry, Mineralogy, Volcanology:

1. Understanding Electrical Signals from Below Earth's Surface

A new version of a free Web application (SIGMELTS 2.0) helps Earth scientists interpret electrical anomalies in Earth's crust and mantle and track the sources of earthquakes and volcanic eruptions.

https://eos.org/project-updates/understanding-electrical-signals-from-below-earths-surface

Geology & Geophysics:

1. Cave Bacon and Other Delectable Science Terms

As you prepare to feast, save room for springy yellowcake, breadcrust bombs, a cheese course on Mars, and more. Bon appétit!

https://eos.org/geofizz/cave-bacon-and-other-delectable-science-terms

2. New Method to Measure Ice Cap Thickness

Naturally generated seismic waves bouncing up and down through an ice sheet can be used to determine the thickness of the ice and monitor future changes in ice thickness.

https://eos.org/editor-highlights/new-method-to-measure-ice-cap-thickness

3. Ye Receives 2018 Keiiti Aki Young Scientist Award

Lingling Ye will receive the 2018 Keiiti Aki Young Scientist Award at AGU’s Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award recognizes “scientific accomplishments in the field of seismology."

https://eos.org/agu-news/ye-receives-2018-keiiti-aki-young-scientist-award

4. Christensen Receives 2018 Fred Whipple Award

Philip Christensen will receive the 2018 Fred Whipple Award at AGU's Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award recognizes an individual who has made "outstanding contributions in the field of planetary science."

https://eos.org/agu-news/christensen-receives-2018-fred-whipple-award

5. Johnson Receives 2018 Ronald Greeley Early Career Award in Planetary Sciences

Brandon Johnson will receive the 2018 Ronald Greeley Early Career Award in Planetary Sciences at AGU's Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award recognizes "significant early career contributions to planetary science."

https://eos.org/agu-news/johnson-receives-2018-ronald-greeley-early-career-award-in-planetary-sciences

6. Enormous Impact Crater Spotted in Greenland Under Glacial Ice

Ice-penetrating radar revealed a 31-kilometer impact crater—one of the world's largest—in northwestern Greenland that might have been formed fewer than 20,000 years ago.

https://eos.org/articles/enormous-impact-crater-spotted-in-greenland-under-glacial-ice

7. Ren Receives 2018 Nanne Weber Early Career Award

Haojia Ren will receive the 2018 Nanne Weber Early Career Award at AGU's Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award is given "in recognition of sustained and unique contributions to paleoceanography and paleoclimatology research."

https://eos.org/agu-news/ren-receives-2018-nanne-weber-early-career-award

8. Costa Receives 2018 Harry Elderfield Student Paper Award

Kassandra Costa will receive the 2018 Harry Elderfield Student Paper Award at AGU's Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award recognizes "an exemplary manuscript from a Ph.D. graduate student and exceptional promise for continued contributions in the fields of paleoceanography and/or paleoclimatology."

https://eos.org/agu-news/costa-receives-2018-harry-elderfield-student-paper-award

9. H?nisch Receives 2018 Paleoceanography and Paleoclimatology Willi Dansgaard Award

B?rbel H?nisch will receive the 2018 Willi Dansgaard Award at AGU's Fall Meeting 2018, to be held 10–14 December in Washington, D. C. The award is given in recognition of the awardee's "research impact, innovative interdisciplinary work, educational accomplishments (mentoring), societal impact, or other relevant contributions and to acknowledge that the awardee shows exceptional promise for continued leadership in paleoceanography or paleoclimatology."

https://eos.org/agu-news/honisch-receives-2018-paleoceanography-and-paleoclimatology-willi-dansgaard-award

Ocean Sciences:

1. New Definition of Potential Spicity by the Least Square Method

A thermodynamic function of the potential spicity is defined and it is orthogonal to the potential density in the least square sense.

https://eos.org/editor-highlights/new-definition-of-potential-spicity-by-the-least-square-method

2. Potential Spicity: From Abstract Theory to Practical Application

A method for estimating potential spicity, a thermodynamic variable in oceanography, provides a new way to describe contrasts in watermass properties.

https://eos.org/editors-vox/potential-spicity-from-abstract-theory-to-practical-application

Space Science & Space Physics:

1. Energetic Electrons Can Penetrate the Stratosphere

Precipitations of electrons with energies greater than 30 kiloelectron volts from the slot region penetrate at low altitude and can contribute to destroy ozone.

https://eos.org/editor-highlights/energetic-electrons-can-penetrate-the-stratosphere

 

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