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Eddy Flux

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December 6, 2023

Eddy Flux Researchers Convene at Harvard Forest for AmeriFlux's 2023 Annual Meeting

Image shows attendees of the 2023 AmeriFlux annual meeting at Harvard Forest

Last month, Harvard Forest hosted the AmeriFlux Annual Meeting, where nearly 100 researchers converged to discuss their work using eddy flux tower data from throughout the world. The longest continually running tower of its kind, Harvard Forest’s Environmental Measurement Station Eddy Flux Tower has been collecting data on the exchange of carbon dioxide and evapotranspiration between the atmosphere and

October 26, 2021

Urban-to-Rural Study Reveals High Methane Emissions in Boston

An eddy-flux tower amid a green forest canopy

A new study in the Proceedings of the National Academy of Sciences shows that methane emissions in Boston are 6 times higher than previous estimates, and deeply undercounted in state calculations. 

The study, by Harvard Forest research collaborators Lucy Hutyra, Steve Wofsy and colleagues, used long-term methane data from Harvard Forest as a rural benchmark for analyzing Boston methane data.

April 25, 2017

New Study Links Hemlock Decline to Shifts in Water Resources

Underneath the canopy of hemlock trees.

Each year in New England, tree-killing insect pests cause sweeping changes in forests. Some changes are highly visible – like swaths of dead trees. A new Harvard Forest study points to a less visible but still critical impact: changes to freshwater streams, including streams that source public water supplies.

According to the study, recently

July 2, 2012

Major Grants Support New Harvard Forest Research

Tower at Harvard Forest

Six major grants totaling over $8 million will greatly expand Harvard Forest's research, conservation, and education capacity over the next several years:

National Science Foundation - Walkup towers for research, communication, and outreach at the Harvard Forest
$340,000 - Ellison, Richardson, Munger, Friedl (BU), Orwig

Two canopy-level walk-up towers and instrumentation tramways will be

November 1, 2011

Carbon Research in the New York Times

Last month, The New York Times published a cover story on climate change impacts to the nation's forest canopy. The long-term eddy-flux tower maintained at Harvard Forest by LTER PIs Steve Wofsy, Bill Munger, and REU students past and present, was featured in the article as one answer to the difficult task of carbon budgeting, "one of the

May 1, 2008

Harvard Forest Forest Canopy Camera Installed

Harvard Forest web cam over canopy

In April Harvard Forest's webcam went online, thanks to a grant to our collaborator, Andrew Richardson, at the University of New Hampshire. The camera, which is mounted at the top of the Environmental Measurement Station (EMS) deep in our Prospect Hill tract, records an image every 15 minutes. The view looks north from the EMS toward Prospect Hill