Author Profile: J Duncombe

Jenessa Duncombe

Publications from J. Duncombe

A cutaway of Earth showing mantle convection

Feature 27 February 2019

The Unsolved Mystery of the Earth Blobs

Researchers peering into Earth’s interior found two continent-sized structures that upend our picture of the mantle. What could their existence mean for us back on Earth’s surface?

21 Comments

Climate Change

News 15 February 2019

Brief, Repetitive Floods in Coastal Cities Cause Economic Losses

A case study in Annapolis is one of the first assessments of the effects of high-tide flooding on local revenue.

Ocean Sciences

Ships sail across a phytoplankton bloom in the North Sea

News 8 February 2019

The Deep Blue Sea Is Getting Bluer

Ocean color will intensify in the next century due to global warming altering phytoplankton communities.

1 Comment

Ocean Sciences

News 7 February 2019

Scientists Discover Evidence of Long “Ocean Memory”

Measurements from a 19th century scientific expedition have revealed that the deep Pacific waters are cooling from lower global temperatures centuries ago.

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Climate Change

Map of global temperature for 2014–2018 change compared to the 1951–1980 average

News 6 February 2019

2018 Is the Fourth-Hottest Year on Record

The climate is continuing to heat up, say NASA and NOAA, and 2018 is no exception.

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Atmospheric Sciences

News 8 January 2019

Microbes Rain Down from Above, to the Tune of the Seasons

Every time snow or rain falls, it brings with it microbes from high in the atmosphere. Could those microbes have a seasonal signal, just like the plants on the land below?

Planetary Sciences

News 28 December 2018

New Horizons Spacecraft to Reach Farthest Body in Solar System Yet

The flyby of Ultima Thule on New Year’s Day will give us our first glimpse of a mysterious Kuiper Belt object.

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Natural Hazards

News 18 December 2018

Lessons Learned from Kīlauea Eruption’s Media Frenzy

The Kīlauea eruption earlier this year unleashed a media bonanza. Here are nine tips about how to debunk geohazard misinformation in real time from a scientist frequently tapped for expert comments.

Geohealth