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Geography 211Ʊ
October 21, 2020

Top Headlines
 

Genome Sequencing Shows Climate Barrier to Spread of Africanized Bees

Since the 1950s, 'Africanized' honeybees have spread north and south across the Americas until apparently coming to a halt in California and northern Argentina. Now genome sequencing of hundreds of ...

Tropical Cyclones Moving Faster in Recent Decades

Tropical cyclones, regionally known as hurricanes or typhoons, have been moving across ocean basins faster since 1982, according to a new ...

A Renewable Solution to Keep Cool in a Warming World

Month-after-month, year-after-year, the world continues to experience record high temperatures. In response to this and exacerbated by a growing global population, it is expected that ...

Lost and Found: Geologists 'Resurrect' Missing Tectonic Plate

A team of geologists believes they have found the lost plate known as Resurrection in northern Canada by using existing mantle tomography ...
Latest Headlines
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Earlier Headlines
 

Deep Sea Coral Time Machines Reveal Ancient CO2 Burps

The fossilized remains of ancient deep-sea corals may act as time machines providing new insights into the effect the ocean has on rising CO2 ...

Arctic Ocean Sediments Reveal Permafrost Thawing During Past Climate Warming

Sea floor sediments of the Arctic Ocean can reveal how permafrost responds to climate warming. Researchers have found evidence of past permafrost thawing during climate warming events at the end of ...

Supercomputing Study Breaks Ground for Tree Mapping, Carbon Research

A new method for mapping the location and size of trees growing outside of forests helped scientists discover billions of trees in arid and semi-arid regions and lays the groundwork for more accurate ...

Long-Term Data Show a Recent Acceleration in Chemical and Physical Changes in the Ocean

New research uses data from two sustained open-ocean hydrographic stations in the North Atlantic Ocean near Bermuda to demonstrate recent changes in ocean physics and chemistry since the 1980s. The ...

Protecting Ecologically Important Krill in the Southern Ocean from Overfishing

Although the krill catch is regulated, caution is required to avoid endangering the population itself and the species that depend on it, warns a group of krill ...

Unprecedented Energy Use Since 1950 Has Transformed Humanity's Geologic Footprint

A new study makes clear the extraordinary speed and scale of increases in energy use, economic productivity and global population that have pushed the Earth towards a new geological epoch, known as ...

Fraction of Money Earmarked for COVID-19 Recovery Could Boost Climate Efforts

Global stimulus plans for economic recovery after the pandemic could easily cover climate-friendly policies, suggests a new ...

Deep Learning Artificial Intelligence Keeps an Eye on Volcano Movements

Radar satellites can collect massive amounts of remote sensing data that can detect ground movements -- surface deformations -- at volcanoes in near real time. These ground movements could signal ...

Laser Technology Measures Biomass in World's Largest Trees

Laser technology has been used to measure the volume and biomass of giant Californian redwood trees for the first time, records a new ...

Mapping out Rest Stops for Migrating Birds

A team of researchers have developed a new metric called the stopover-to-passage ratio that can help determine if a majority of birds are flying over a particular site or stopping at the site to ...

Thawing Permafrost Releases Organic Compounds Into the Air

When permafrost thaws due to global warming, not only the greenhouse gases known to all, but also organic compounds are released from the soil. They may have a significant impact on climate ...

Recent Atlantic Ocean Warming Unprecedented in Nearly 3,000 Years

Sediments from a lake in the Canadian High Arctic allow climate scientists to extend the record of Atlantic sea-surface temperature from about 100 to 2,900 years. It shows that the warmest interval ...

Modern Humans Took Detours on Their Way to Europe

Favourable climatic conditions influenced the sequence of settlement movements of Homo sapiens in the Levant on their way from Africa to Europe. In a first step, modern humans settled along the coast ...

Plastics Threat to South Pacific Seabirds Confirmed

Plastic gathered from remote corners of the South Pacific Ocean, including nesting areas of New Zealand albatrosses, has confirmed the global threat of plastic pollution to ...

Mathematical Tools Predict If Wave-Energy Devices Stay Afloat in the Ocean

Ocean waves represent an abundant source of renewable energy. But to best use this natural resource, wave-energy converters need to be capable of physically handling ocean waves of different ...

New Global Temperature Data Will Inform Study of Climate Impacts on Health, Agriculture

A new data set provides high-resolution, daily temperatures from around the globe that could prove valuable in studying human health impacts from heat waves, risks to agriculture, droughts, potential ...

Port Engineers Need Guidance Incorporating Sea Level Rise Into Construction Designs

A survey of maritime infrastructure engineers found that the rising sea level is often not factored into designs of ports, breakwaters, fishing piers and other coastal ...

The Deep Sea Is Slowly Warming

New research reveals temperatures in the deep sea fluctuate more than scientists previously thought and a warming trend is now detectable at the bottom of the ...

Study First to Tally Biomass from Oceanic Plastic Debris Using Visualization Method

Scientists examined cell abundances, size, cellular carbon mass, and how photosynthetic cells differ on polymeric and glass substrates over time, exploring nanoparticle generation from plastic like ...

Act Now on Wildfires, Global Climate Change, Human Health, Study Says

Immediate actions are needed to limit the greenhouse gas emissions that are driving climate change that helps fuel wildfires, a new study ...

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