Paul Bierman, professor of geology, and colleagues--including three undergraduates--authored the paper, titled "Old Landscape Images Record Landscape Change Through Time." The paper is the result of research collected via UVM's Landscape Change Program, a searchable, web-based community archive of more than 10,000 images of Vermont landscapes from before 1810 to the present. The archive, which is particularly rich in rare images of rural areas, can be accessed online at http://uvm.
"Our findings have significant environmental implications for Vermont and New England in general," said Bierman. "We found that erosion is linked to clearing trees from hill slopes, which implies that if New England were cleared of trees sediment would again pour off slopes and into streams and rivers." Also of note, said Bierman, are the condition of riparian zones; corridors running along rivers and streams have improved markedly over the past 30 years. "This is a positive environmental finding and one that's very good for stream health and the health of ecosystems in streams," he said.
Co-authors and seniors Jehanna Howe, Elizabeth Stanley Mann and Michala Peabody worked all summer and into the fall on the project, presenting posters at the GSA national meeting in Denver that drew such great interest they became the catalyst for the GSA paper. The students were funded by a National Science Foundation grant for undergraduate research that Bierman and adjunct instructor Christine Massey applied for several years ago. "The students are at the core of this work," Bierman attests. The Landscape Change Program itself has been supported by the National Science Foundation and the Lintilac Foundation.
For more information, contact Bierman at firstname.lastname@example.org or call (802)656-4411. Reporters who want a PDF of the GSA Today paper should contact Ann Cairns, Geological Society of America, at email@example.com.