Biogeosciences Archives - Page 3 of 46

News 15 April 2019

Satellite Imagery Reveals Plastic Garbage in the Ocean

Using high-resolution satellite data, scientists pinpoint discarded plastics floating off the coasts of Canada and Scotland.

Biogeosciences

A white man in a fedora looks into the gaping maw of a T. rex fossil.

News 10 April 2019

King of the Tyrannosaurs Goes on Display

The biggest, oldest T. rex found to date shows how big tyrannosaurs could get.

Geochemistry, Mineralogy, Volcanology

News 10 April 2019

For Some Copper Deposits, Microbes Make Minable Minerals

Copper ores were long thought to form through purely chemical processes, but a recent study provides the strongest evidence yet that microbial metabolism drives mineral production.

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Geohealth

A view of poor air quality in Delhi, India.

Research Spotlight 4 April 2019

Aerosol Particle Size May Contribute to Varying Health Responses

Particulate matter in the atmosphere derives from industrial and environmental sources. The size of the particle determines how it deposits in the body and leads to different health challenges.

Biogeosciences

Laboratory experiment used to simulate the shock wave made by an asteroid impact on Mars

Research Spotlight 3 April 2019

Rover and Lasers Unlock Clues to Early Martian Atmosphere

Sediments from the Curiosity rover and experiments using tanks of gas and laser beams helped reveal how water continued to flow on Mars after the planet lost its atmospheric carbon dioxide.

Biogeosciences

Snow-covered trees affected by the spruce beetle

Research Spotlight 2 April 2019

Spruce Beetle Slows Snow Sublimation in Wyoming’s Mountains

A new study investigates changing water dynamics after a pest infestation in the Rocky Mountains.

Biogeosciences

The soil in a field near the campus of Wageningen University in the Netherlands clearly shows its layered structure.

Meeting Report 29 March 2019

Modeling Digs Beyond Soil Properties and Processes

International Soil Modeling Consortium Conference: New Perspectives on Soil Models; Wageningen, Netherlands, 5–7 November 2018

Atmospheric Sciences

The Southern Ocean is known for high waves and elevated levels of sea spray aerosols.

Meeting Report 25 March 2019

Connecting the Southern Ocean with Clouds

ACE-DATA/Antarctic Sea-Atmosphere Interactions Data (ASAID) Workshop; 5–6 November 2018, Lausanne, Switzerland

Biogeosciences

The moon rises behind a tree in the Ancient Bristlecone Pine Forest in California

Research Spotlight 25 March 2019

Topography and Microclimate Shape Tree Ring Growth

Wizened bristlecone pines in California reveal past climate trends, and new research shows how slight variations in landscape position drive different growth patterns in trees’ annual rings.

Biogeosciences