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Jenessa Duncombe, Staff Writer

Jenessa Duncombe

Jenessa Duncombe, a News and Features Writer for Eos, joined the team in 2018. She graduated with her master’s degree in physical oceanography from Oregon State University in 2017 and subsequently worked as a freelance writer on research ships. Jenessa first interned with Eos, became the team’s first fellow in May 2019, and joined the staff permanently in March 2020.

Boat alone on water in Alaska
Posted inNews

NOAA Monitoring Stations Are Off-Line from a GPS Y2K Moment

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 9 April 201923 February 2023

The outage could last until November for some stations.

Jezero Crater River Delta on Mars
Posted inNews

What Ancient Rivers on Mars Reveal About Its “Great Drying”

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 27 March 201923 February 2023

Dried-up rivers on Mars suggest that the planet was wet in the not-too-distant past.

An industrial oil pump in Wyoming
Posted inNews

Judge Blocks Oil and Gas Leases on Public Land, Citing Climate Change

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 22 March 201925 October 2022

The ruling pointed out a “critical flaw” in fossil fuel leasing.

River water carrying sediment flows into the ocean.
Posted inNews

Sand from Greenland’s Melting Ice Sheet Could Bring in Business

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 21 March 20195 November 2021

The effects of climate change could fuel a new sand mining industry in Greenland.

Seismic tomography imaging shows a portion of a “blob” that sits at the base of the mantle below Africa.
Posted inFeatures

The Unsolved Mystery of the Earth Blobs

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 27 February 201927 January 2023

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?

Flooding in downtown Annapolis, Md.
Posted inNews

Brief, Repetitive Floods in Coastal Cities Cause Economic Losses

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 15 February 20191 March 2023

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

Ships sail across a phytoplankton bloom in the North Sea
Posted inNews

The Deep Blue Sea Is Getting Bluer

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 8 February 20196 April 2023

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

The open ocean
Posted inNews

Scientists Discover Evidence of Long “Ocean Memory”

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 7 February 201930 March 2023

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

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

2018 Is the Fourth-Hottest Year on Record

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 6 February 20196 April 2023

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

Pyrenees in Catalonia Spain
Posted inNews

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

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 8 January 201923 March 2023

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?

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