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I compared three methods of determining basal area (cross sectional area of trunks) in this stand of Alaskan birch at the Bonanza Creek LTER site near Fairbanks, Alaska. The diameter of each birch tree was measured in a 42 x 38 m plot surrounding this and two other sample/photo points. This provided a measure of the ...
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The Addison County Fair and Field Days is the largest agricultural fair in Vermont. Notes: I used an old Nikkor 105mm lens. There is no metering, so the EXIF data (and stitcher notes) are incomplete, but it is a real lens (big, heavy, and 35 years old). I think this one used ISO 800, More vivid, 1/100 sec, ...
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During World War II this hillside was a cow pasture. After the war it was abandoned, and by 1960 a forest of young white pines had closed its canopy over the field. Some of the slower growing pines have since died, and the canopy opened to admit enough light for many sugar maple seedlings to germinate and establish i...
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The Addison County Fair and Field Days is the largest agricultural fair in Vermont. Notes: I used an old Nikkor 105mm lens. Focus is manual, there is no metering, and the EXIF data includes no lens information (so stitcher notes are incomplete), but it is a real lens with real depth of field and real resolution....
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Mead Memorial Chapel (left, 1916) and Old Chapel (right, 1836) frame the main lower quad of Middlebury College. Notes: I used a Nikon D40 with a Nikkor 105mm f/2.5 lens at f/16, 1/200 second, ISO 400, NEF. 35mm equiv is 157mm, and field of view was set to 9.3 degrees. Fixed focus throughout. Two second shutter dela...
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A conversation at LEAFFEST (publiclaboratory.org/notes/leaffest
) was inspired by the pan/tilt kite aerial photography (KAP) rig we flew, and eventually hatched a plan to build an inexpensive Arduino-based version for ground-based time-lapse photography. So I dragged out the old Gigapan Epic 100 and took a quick ...-
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On March 20 this sugar house is usually in full operation boiling sap into maple syrup. The sap runs on bright days after freezing nights, but this year, a week of hot days and warm nights ended the run three or four weeks early. Although this is one of the more authentic sugaring operations in Vermont, it felt strange...
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