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Categories: Geoscience: Severe Weather, Paleontology: Dinosaurs

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Geoscience: Severe Weather
Published

Widespread snowmelt in West Antarctica during unusually warm summer      (via sciencedaily.com) 

An area of West Antarctica more than twice the size of California partially melted in 2016 when warm winds forced by an especially strong El Nino blew over the continent.

Geoscience: Severe Weather
Published

Some -- but not all -- corals adapting to warming climate      (via sciencedaily.com) 

A new study reveals evidence that some corals are adapting to warming ocean waters -- potentially good news in the face of recent reports of global coral die offs due to extreme warm temperatures in 2016.

Geoscience: Severe Weather
Published

Increase in extreme sea levels could endanger European coastal communities      (via sciencedaily.com) 

Massive coastal flooding in northern Europe that now occurs once every century could happen every year if greenhouse gas emissions continue to rise, according to a new study.

Geoscience: Severe Weather
Published

Looking for 'fingerprints' at the intersection of weather and climate      (via sciencedaily.com) 

Scientists have found the seasonal 'fingerprints' of Arctic sea ice, El Nino, and other climate phenomena in a new study that probes the global interactions between weather and climate.

Geoscience: Severe Weather
Published

Changing atmospheric conditions may contribute to stronger ocean waves in Antarctica      (via sciencedaily.com) 

A new study provides important details on the extent of sea ice, which can protect ice shelves from the impacts of ocean storms, in the Antarctic Peninsula.

Geoscience: Severe Weather
Published

Warmer West Coast ocean conditions linked to increased risk of toxic shellfish      (via sciencedaily.com) 

Hazardous levels of domoic acid, a natural toxin that accumulates in shellfish, have been linked to warmer ocean conditions in waters off Oregon and Washington for the first time, report scientists.

Geoscience: Severe Weather
Published

Early Pacific seafarers likely latched onto El Nino, other climate patterns      (via sciencedaily.com) 

Researchers employed computer simulations and climatic data to help them explore the travels that led to the settlement of islands in Remote Oceania.

Geoscience: Severe Weather
Published

El Nino influences the formation of low pressure systems over the Gulf Stream      (via sciencedaily.com) 

Analysis of cyclone tracks and precyclogenesis flow conditions show that El Niño can shift the preferred cyclogenesis position over the Gulf Stream which influences the cyclone’s track across the North Atlantic, report researchers.

Geoscience: Severe Weather
Published

U.S. Winter outlook predicts warmer, drier South and cooler, wetter North      (via sciencedaily.com) 

Forecasters are saying that La Nina is expected to influence winter conditions this year. The Climate Prediction Center issued a La Nina watch this month, predicting the climate phenomenon is likely to develop in late fall or early winter. La Nina favors drier, warmer winters in the southern U.S and wetter, cooler conditions in the northern U.S. If La Nina conditions materialize, forecasters say it should be weak and potentially short-lived.

Geoscience: Severe Weather
Published

Carbon dioxide record at mauna loa, the music video: The sounds of climate change      (via sciencedaily.com)     Original source 

Two scientists put the carbon dioxide record at Mauna Loa to music, and made a music video of climate change.

Geoscience: Severe Weather
Published

Reef castaways: Can coral make it across Darwin's 'impassable' barrier?      (via sciencedaily.com) 

An international team of researchers have shown that vulnerable coral populations in the eastern tropical Pacific have been completely isolated from the rest of the Pacific Ocean for at least the past two decades.

Geoscience: Severe Weather
Published

Coral reefs facing a hot time and increased bleaching, especially along US coasts      (via sciencedaily.com) 

A new NOAA outlook shows that many coral reefs across around the world will likely be exposed to higher-than-normal sea temperatures for an unprecedented third year in a row, leading to increased bleaching - and with no signs of stopping. While the bleaching event is global, it will hit the US hard.

Geoscience: Severe Weather
Published

Indian monsoon: Novel approach allows early forecasting      (via sciencedaily.com) 

The Indian monsoon's yearly onset and withdrawal can now be forecasted significantly earlier than previously possible. A team of scientists developed a novel prediction method based on a network analysis of regional weather data. Future climate change will likely affect monsoon stability and hence makes accurate forecasting even more relevant.

Geoscience: Severe Weather
Published

NASA examines El Nino's impact on ocean's food source      (via sciencedaily.com) 

El Nino years can have a big impact on the littlest plants in the ocean, and scientists are studying the relationship between the two.

Geoscience: Severe Weather
Published

Risk of multiple tipping points should be triggering urgent action on climate change      (via sciencedaily.com) 

Pioneering new research shows that existing studies have massively under-valued the risk that ongoing carbon dioxide emissions pose of triggering damaging tipping points.

Geoscience: Severe Weather
Published

NASA maps El Niño's shift on US precipitation      (via sciencedaily.com) 

This winter, areas across the globe experienced a shift in rain patterns due to the natural weather phenomenon known as El Nino. A new NASA visualization of rainfall data shows the various changes in the United States with wetter, wintery conditions in parts of California and across the East Coast.

Geoscience: Severe Weather
Published

NASA sees a different kind of El Nino      (via sciencedaily.com) 

A new NASA visualization shows the 2015 El Nino unfolding in the Pacific Ocean, as sea surface temperatures create different patterns than seen in the 1997-1998 El Nino. Computer models are just one tool that NASA scientists are using to study this large El Nino event, and compare it to other events in the past.

Geoscience: Severe Weather
Published

Herpes outbreak, other marine viruses linked to coral bleaching event      (via sciencedaily.com)     Original source 

Significant outbreaks of viruses may be associated with coral bleaching events, especially as a result of multiple environmental stresses, a study has concluded. One such event was documented even as it happened in a three-day period. It showed how an explosion of three viral groups, including a herpes-like virus, occurred just as corals were bleaching in one part of the Great Barrier Reef off the east coast of Australia.

Geoscience: Severe Weather
Published

Even thermally tolerant corals are in hot water when it comes to bleaching      (via sciencedaily.com) 

Scientists have discovered that corals adapted to naturally high temperatures, such as those off the north west coast of Australia, are nonetheless highly susceptible to heat stress and bleaching.

Geoscience: Severe Weather
Published

Global connections between El Nino events, drought      (via sciencedaily.com) 

A team of researchers recently discovered that global climate change is causing general increases in both plant growth and potential drought risk. El Nino is a disruption of the ocean-atmosphere system in the tropical Pacific with important consequences for weather around the globe.