Using electromagnetic waves originating in the ionosphere and magnetosphere, conductivity profiles reaching the deep upper mantle show surprising variability in water content.
water
Posted inAGU News
Konar, Long, and Madani Receive 2019 Hydrologic Sciences Early Career Award
Megan Konar, Di Long, and Kaveh Madani received the Hydrologic Sciences Early Career Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award recognizes “scientists who demonstrate outstanding contributions to hydrologic sciences, education, or societal impacts and show exceptional promise of continued contributions to hydrology throughout their career.”
Posted inNews
Explosive Volcanic Eruption Powered by Water-Saturated Magma
Little seismic unrest preceded the 2014 eruption of a stratovolcano in Indonesia, which suggests that the eruption was kick-started internally by volatile-triggered overpressure.
Posted inNews
Water Found in Small, Habitable Zone Planet’s Atmosphere
K2-18b is warm, has an atmosphere, and has water vapor. But it’s no Earth 2.0.
Posted inNews
Ammonia Ice Deposits on Pluto Hint at Recent Cryovolcanism
This discovery is the latest in a growing stack of evidence pointing to the presence of an ammonia-rich water ocean beneath Pluto’s icy crust.
Posted inResearch Spotlights
Mapping Subglacial Meltwater Channels
Researchers find that past studies underestimate the friction meltwater channels exert on glaciers by orders of magnitude.
Posted inNews
First Analysis of Asteroid Water Reveals Earth-Like Makeup
Samples returned from the surface of an asteroid show that these small bodies may have more water than previously thought and could have delivered that water to Earth.
Posted inResearch Spotlights
Rover and Lasers Unlock Clues to Early Martian Atmosphere
Sediments from the Curiosity rover and experiments using tanks of gas and laser beams helped reveal how water continued to flow on Mars after the planet lost its atmospheric carbon dioxide.
Posted inNews
What Ancient Rivers on Mars Reveal About Its “Great Drying”
Dried-up rivers on Mars suggest that the planet was wet in the not-too-distant past.
Posted inScience Updates
Project VoiLA: Volatile Recycling in the Lesser Antilles
Deep water cycle studies have largely focused on subduction of lithosphere formed at fast spreading ridges. However, oceanic plates are more likely to become hydrated as spreading rate decreases.