Earth Science News
November 29, 2015

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updated 6:23pm EST

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November 29, 2015

Nov. 24, 2015 — Planet Earth experienced a global climate shift in the late 1980s on an unprecedented scale, fueled by anthropogenic warming and a volcanic eruption, according to new research. Scientists say that a ... read more

Nov. 23, 2015 — The role volcanic activity played in mass extinction events in Earth's early history is likely to have been much less severe than previously thought, according to a ... read more

Nov. 20, 2015 — Earth's oxygen-rich atmosphere emerged in whiffs from a kind of cyanobacteria in shallow oceans around 2.5 billion years ago, according to new ... read more

Nov. 20, 2015 — Scientists report that more than half the tree species in the Amazonian rainforest may be globally threatened. However, the study also suggests that Amazonian parks, reserves, and indigenous ... read more

Nov. 20, 2015 — The warming of arctic waters in the wake of climate change is likely to produce radical changes in the marine habitats of the High North. This is indicated by data from long-term observations in the ... read more

Nov. 19, 2015 — Ancient fossil forests have beenunearthed in Arctic Norway, thought to be partly responsible for one of the most dramatic shifts in the Earth's climate in the past 400 million ... read more

Nov. 19, 2015 — Stormy space weather sweeping across the equator is threatening vital power grids in regions long considered safe from such events, ground-breaking new research ... read more

Low-Oxygen 'Dead Zones' in North Pacific Linked to Past Ocean-Warming Events

Nov. 18, 2015 — A new study has found a link between abrupt ocean warming at the end of the last ice age and the sudden onset of low-oxygen, or hypoxic conditions that led to vast marine dead ... read more

Nov. 18, 2015 — The Andes were formed by tectonic activity whereby Earth is uplifted as one plate (oceanic crust) subducts under another plate (continental crust). To get such a high mountain chain in a subduction ... read more

Nov. 18, 2015 — A year ago, researchers discovered that fat helps coral survive heat stress over the short term -- and now it seems that fat helps coral survive over the long term, too. The study offers important ... read more

Study Links Deep-Time Dust With Major Impacts on Carbon Cycling

Nov. 17, 2015 — A new study links vast amounts of iron-rich dust deposits from the late Paleozoic period of 300 million years ago with implications for major ecosystem fertilization and a massive drawdown of ... read more

Nov. 16, 2015 — Seismologists studying the 2011 Chile earthquake have discovered a previously undetected earthquake that took place seconds after the initial rupture. This newly discovered phenomena, which they ... read more

Nov. 16, 2015 — The first data-driven estimate of the Earth's total supply of groundwater shows that less than six per cent of groundwater in the upper two kilometers of the Earth's landmass is renewable ... read more

Nov. 16, 2015 — Ancient climates on Earth may have been more sensitive to carbon dioxide than was previously thought, according to new research. Scientists examined nahcolite crystals found in Colorado's Green ... read more

Nov. 13, 2015 — A shortage of a rare mineral could spur global market instabilities, according to a new analysis of international commodity trade ... read more

New Research Shows La Niña Is Not Helping Hawai'i's Rainfall, Groundwater

Nov. 12, 2015 — Historically when El Niño events occur, Hawai'i has experienced nearly six months of drought, from November to April. Conversely, during La Niña events rainfall has been greater than normal - ... read more

Nov. 12, 2015 — According to new research, a mass extinction 359 million years ago known as the Hangenberg event triggered a drastic and lasting transformation of Earth's vertebrate ... read more

Oceans, Ocean Activism, Deserve Broader Role in Climate Change Discussions

Nov. 12, 2015 — Researchers argue that both ocean scientists and world leaders should pay more attention to how communities are experiencing, adapting to and even influencing changes in the world's ... read more

Nov. 12, 2015 — A glacier in northeast Greenland that holds enough water to raise global sea levels by more than 18 inches has come unmoored from a stabilizing sill and is crumbling into the North Atlantic Ocean. ... read more

Increased Deforestation Could Substantially Reduce Amazon Basin Rainfall

Nov. 12, 2015 — Continued deforestation of the Amazon rainforest could diminish the amount of rain that falls in the Amazon River basin, finds a new study. These declines in rainfall could potentially alter the ... read more

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