GeoSpace
New study questions source of rare Earth metals that provide clues to life's origins
A new study in Geochemistry, Geophysics, Geosystems is reviving a decades-old debate about how Earth's rarest elements came to exist on our planet - theories that have implications for the origin of life.
http://blogs.agu.org/geospace/2016/06/15/new-study-questions-source-rare-earth-metals-provide-clues-lifes-origins/
NASA Mars orbiters reveal seasonal dust storm pattern
For six recent Martian years, temperature records from NASA Mars orbiters reveal a pattern of three types of large regional dust storms occurring in sequence at about the same times each year during the southern hemisphere spring and summer, according to a new study in Geophysical Research Letters.
http://blogs.agu.org/geospace/2016/06/13/nasa-mars-orbiters-reveal-seasonal-dust-storm-pattern/
Eos.org
Multicolor terrain mapping documents critical environments
The Titan airborne topographic laser system takes spatial and spectral data at three wavelengths at once, mapping threats from climate change and ecological disasters in regions with complex terrain.
https://eos.org/project-updates/multicolor-terrain-mapping-documents-critical-environments
Research Spotlights
A river runs through it, but why?
Researchers investigate the factors that cause river terraces to form in a new study in the Journal of Geophysical Research: Earth Surface.
https://eos.org/research-spotlights/a-river-runs-through-it-but-why
Can mangroves buffer ocean acidification?
New research in Global Biogeochemical Cycles evaluates the ability of coastal foliage to influence the ocean's pH.
https://eos.org/research-spotlights/can-mangroves-buffer-ocean-acidification
###
Find research spotlights from AGU journals and sign up for weekly E-Alerts, including research spotlights, on eos.org. Register for access to AGU journal papers in the AGU newsroom.
The American Geophysical Union is dedicated to advancing the Earth and space sciences for the benefit of humanity through its scholarly publications, conferences, and outreach programs. AGU is a not-for-profit, professional, scientific organization representing more than 60,000 members in 139 countries. Join our conversation on Facebook, Twitter, YouTube, and other social media channels.