Earth Sciences

Earth Sciences

Arctic Sea Ice Growth Slows Amid Warming Trends, NASA Reports

As temperatures in the Arctic have warmed at double the pace of the rest of the planet, the expanse of frozen seawater that blankets the Arctic Ocean and…

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Earth Sciences

Tehran’s Sinking Crisis: Groundwater Depletion Explained

Iran has a water problem. The reserves in many groundwater basins there have been severely depleted. For the last forty years, the country has invested a lot…

Earth Sciences

NASA-NOAA Satellite Detects Owen Fading in Coral Sea

In general, wind shear is a measure of how the speed and direction of winds change with altitude. Winds at different levels of the atmosphere pushed against…

Earth Sciences

Saltier waterways are creating dangerous 'chemical cocktails'

A recent study led by University of Maryland researchers found that streams and rivers across the United States have become saltier and more alkaline over the…

Earth Sciences

Substantial Water Loss Discovered in Landlocked Regions

The study, “Recent Global Decline in Endorheic Basin Water Storage,” was carried out by a team of scientists from six countries and appears in the current…

Earth Sciences

Tracking Iron Changes in the North Pacific Ocean

“As a result of human activity, the amount and composition of Fe induced by atmospheric decomposition has changed and affected the ocean. After depositing into…

Earth Sciences

Seabirds and Tides: Insights for Marine Renewable Energy

Using seabirds to tell us about the tide could be especially useful for the marine renewable energy industry. Generating tidal energy requires detailed…

Earth Sciences

Understanding Quirky Glacial Behavior at Jakobshavn Glacier

In August 2012, in the frigid wilderness of West Greenland, the Jakobshavn Glacier was flowing and breaking off into the sea at record speeds, three times…

Earth Sciences

Environmental Impact of Deep-Sea Mining Research Project

The deep-sea is a vast, still little studied area where ecological processes are slow due to low temperatures, darkness and limited food supply. The ecosystem…

Earth Sciences

Wildfires bring climate’s dark forcings to the stratosphere

Wildfires, like those currently in California, have a large environmental impact. Uncontrolled blazes can burn tens of thousands of acres, destroy vegetation…

Earth Sciences

Unknown Glaciers Drive Rising Sea Levels: Key Insights

The rising sea levels have several causes: thermal expansion of the water as it warms, melting glaciers and ice sheets, and finally the extraction of…

Earth Sciences

Volcano-Glacier Combo Reveals Surprising Methane Emissions

A study of Sólheimajökull glacier, which flows from the active, ice-covered volcano Katla, shows that up to 41 tonnes of methane is being released through…

Earth Sciences

Massive impact crater from a kilometer-wide iron meteorite discovered in Greenland

An international team lead by researchers from the Centre for GeoGenetics at the Natural History Museum of Denmark, University of Copenhagen have discovered a 31-km wide meteorite impact crater buried beneath the ice-sheet in the northern Greenland. This is the first time that a crater of any size has been found under one of Earth's continental ice sheets. The researchers worked for last three years to verify their discovery, initially made in the 2015. The research is described in a…

Earth Sciences

Earth's magnetic field measured using artificial stars at 90 kilometers altitude

The mesosphere, at heights between 85 and 100 kilometers above the Earth's surface, contains a layer of atomic sodium. Astronomers use laser beams to create…

Earth Sciences

Unintended Consequences of Dams and Reservoirs Explained

Building dams and reservoirs is one of the most common approaches to cope with drought and water shortage. The aim is straightforward: reservoirs can store…

Earth Sciences

Polarstern Research Icebreaker Sets Sail for Antarctic Season

On Saturday, 10 November 2018, the research icebreaker Polarstern will leave its homeport of Bremerhaven, bound for Cape Town, South Africa.

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