Geotimes Banner
Subscribe

Geotimes is now
    EARTH

Archives

Classifieds
Advertise
Customer Service
Geotimes Search

GeoMarketplace Link



EARTH magazine cover


  Geotimes - August 2008 - New England “dark day” mystery solved
NEWS NOTES

New England “dark day” mystery solved

On May 19, 1780, a day black as night dawned, as George Washington reportedly wrote in his diary. People thought judgment day was upon them. For 230 years, no one knew exactly what caused that dark day. Now, a recent study reveals the answer: massive wildfires. Wildfires had been suggested as a cause, but dismissed as too simple of an explanation. Erin McMurray of the University of Missouri College of Agriculture, Food and Natural Resources Tree Ring Laboratory and colleagues examined tree rings in Ontario and found evidence of massive, widespread fires in 1780 that affected atmospheric conditions hundreds of kilometers away, they wrote in International Journal of Wildland Fire.

Back to top

 

Advertise in Geotimes


Geotimes Home | AGI Home | Information Services | Geoscience Education | Public Policy | Programs | Publications | Careers

© 2014 American Geological Institute. All rights reserved. Any copying, redistribution or retransmission of any of the contents of this service without the express written consent of the American Geological Institute is expressly prohibited. For all electronic copyright requests, visit: http://www.copyright.com/ccc/do/showConfigurator?WT.mc_id=PubLink