Earth Sciences

Earth Sciences

Dormant Volcanoes Like Mt. Hood: Quick Activation Insights

The key, scientists say, is to elevate the temperature of the rock to more than 750 degrees Celsius, which can happen when hot magma from deep within the…

Earth Sciences

Missing monsoon lead to «years without a summer»

A research team based at the University of Bern may have found the answer: volcanic emissions in the atmosphere block sunlight and can thereby affect the…

Earth Sciences

Satellite Video Shows Movement of Major U.S. Winter Storm

Visible and infrared imagery from NOAA's GOES-East or GOES-13 satellite from Feb. 10 at 1815 UTC/1:15 p.m. EST to Feb. 12 to 1845 UTC/1:45 p.m. EST were…

Earth Sciences

Geophysicists and Mathematicians Explore River Rock Abrasion

But these experts have not agreed on the reason these patterns exist. Abrasion causes rocks to grind down and become rounder as they are transported down the…

Earth Sciences

NASA Monitors High Thunderstorms in Tropical Cyclone Fobane

The Tropical Rainfall Measuring Mission or TRMM satellite passed over Fobane on February 11, 2014 at 0035 UTC. Fobane was very small but contained a few…

Earth Sciences

Wettest Decades in Four Millennia: Tibet’s Precipitation Study

Researchers looked at 3,500-year-long tree ring records from North East Tibet to estimate annual precipitation. They found that recent decades have likely been…

Earth Sciences

Flowing Water on Mars: New Insights and Ongoing Mysteries

Martian experts have known since 2011 that mysterious, possibly water-related streaks appear and disappear on the planet’s surface. Georgia Institute of…

Earth Sciences

NASA's TRMM satellite eyes rainfall in Tropical Cyclone Fobane

NASA and the Japan Aerospace Exploration Agency manages the Tropical Rainfall Measuring Mission satellite known as TRMM. TRMM has the capability to measure…

Earth Sciences

Giant Mass Extinction Happened Faster Than Previously Believed

The largest mass extinction in the history of animal life occurred some 252 million years ago, wiping out more than 96 percent of marine species and 70 percent…

Earth Sciences

Pacific trade winds stall global surface warming — for now

Heat stored in the western Pacific Ocean caused by an unprecedented strengthening of the equatorial trade winds appears to be largely responsible for the…

Earth Sciences

WASP Gives NASA's Planetary Scientists New Observation Platform

Not so much for planetary scientists. That's because they needed a highly stable, off-the-shelf-type system that could accurately point their instruments and…

Earth Sciences

NASA Spots Fourteenth Tropical Cyclone of Southern Indian Ocean Season

On February 7 at 0900 UTC/4 a.m. EST, Tropical Cyclone 14S had maximum sustained winds near 35 knots/40 mph/62 kph.It was located about 814 nautical…

Earth Sciences

NASA Tracks Intense Rainfall in Tropical Cyclone Edilson

The Tropical Rainfall Measuring Mission or TRMM satellite is managed by both NASA and the Japan Aerospace Exploration Agency called JAXA. TRMM can read the…

Earth Sciences

New Maps Highlight Climate Change Impact on At-Risk Species

In research published today in the journal Nature, CSIRO and an international team of scientists revealed global maps showing how fast and in which direction…

Earth Sciences

NASA Study Points to Infrared-Herring in Apparent Amazon Green-Up

Now, a new NASA study published today in the journal Nature shows that the appearance of canopy greening is not caused by a biophysical change in Amazon…

Earth Sciences

UI Researchers Assess Top Weather Forecasting Models

Two University of Iowa researchers recently tested the ability of the world’s most advanced weather forecasting models to predict the Sept. 9-16, 2013 extreme…

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