Image Gallery

A view of Howland's main tower from a helicopter
Main Tower
A view of the main tower top through a forest canopy opening
View of Main Tower through a canopy gap
Main tower from the air
Main Tower from the air
A view of Howland Forest's main tower emerging from the forest canopy
Main Tower
Howland Forest's main tower from below
Main Tower in winter

Holly Hughes on top of the Main Tower
Holly on top of the Main Tower
View of the Howland forest canopy from the top of the main tower, with instrumentation in sight
View of the Howland forest canopy from the top of the Main Tower
Instrumentation on Howland Forest's main tower
Cloudy skies over the tower wind guage
Sonic anemometer
Sonic anemometer
Webcam on Main Tower
Webcam on Main Tower

Instrumentation on Howland Forest's main tower
Instrumentation on the tower
Instrumentation secured to the Main Tower for data collection
Instrumentation secured to the Main Tower for data collection
Howland Forest canopy view from main tower
Howland Forest canopy
Instrument buildings at the Main Tower site (tower behind)
Instrument buildings at the Main Tower site (tower behind)
Picarro analyzers in the Main instrument building
Picarro analyzers in the Main instrument building

Data loggers at Main tower building
Data loggers at Main tower building
Instruments in Main tower building
Instruments in Main tower building
East Tower from the path
East Tower from the path
East Tower
East Tower
Sonic, intake, Tair, net rad on the East Tower
Sonic, intake, Tair, net rad on the East Tower

West Tower from helicopter
West Tower from helicopter
A view of the west tower from a helicopter
West Tower
West Tower
West Tower
Solar radiation instruments on the West Tower
Solar radiation instruments on the West Tower
Sonic and irga on top of West Tower
Sonic and irga on top of West Tower

Instrumentation shed in the snow
“Swamp shack” by the West Tower
Instruments and computer in shed at West Tower
Instruments and computer in shed at West Tower
A beautiful view of Howland Forest from the skies
View of Howland from the skies
A helicopter takes to the air to fertilize a portion of Howland Forest with nitrogen
Helicopter taking off
Helicopter spraying nitrogen fertilizer
Helicopter nitrogen application

Howland Forest researcher atop the Main Tower
John atop the Main Tower
Howland Forest researcher cores a red spruce tree for growth analysis
Dave coring a tree
Dave helps dig a soil pit
Dave helps dig a soil pit
A researcher from Howland Forest next to a devices to measure biogeochemical inputs
Holly in the swamp
A researcher performs nutrient analysis on a beautiful day
Julie performs nutrient analysis

Researcher at Howland Forest maintains equipment on the North Tower
Bob safely climbing a tower
Holly sitting at the base of a large white pine at Howland Forest after a dusting of snow
Holly sitting at the base of a large white pine
A researcher at Howland Forest adjusts instrumentation
Holly adjusting instrumentation
Researchers at Howland Forest take soil samples
Debjani and Lio
Holly and Kathleen by soil respiration autochamber
Holly and Kathleen by soil respiration autochamber

Researchers eating lunch on the picnic table at Howland
Researchers enjoy lunch in the forest
Two researchers in the Howland Forest
Aaron and Olivia take a break from vegetation mapping
Howland Cooperators Meeting 2008
Howland Cooperators Meeting 2008
A group of researchers from Howland Forest meet at Bartlett Experimental Forest
Howland Retreat 2016
John and Holly at Howland
John and Holly at Howland

Holly at the top of main tower
Researchers use liquid nitrogen to "trap" carbon for isotope analysis
Carbon trapping
Soil respiration autochambers
Soil respiration autochambers
Soil respiration autochambers at the Main Tower site
Soil respiration autochambers at the Main Tower site
Soil moisture sensors
Soil moisture sensors

A surprised look from a young moose on the Gunbarrel Road
Young moose on Seed Orchard Rd
An old hollowed out tree provides valuable wildlife habitat
Hollow down woody debris
Forest at Howland
Forest at Howland
Down and dead trees contributing to understory habitat
Recent contributions of deadwood to the soil carbon pool
Tagged trees in the Howland forest
NASA plot established in 1989

snowy forest scene in Howland Forest with caution sign
Winter day at Howland
Canopy cover at Howland (fisheye photo)
Canopy cover in the NASA plot (fisheye photo)
Map of Howland tower sites
Map of Howland tower sites
Stem map of NASA plot. Each circle represents one tree, each color a species
Stem map of the NASA plot. Each circle represents one tree, each color a species

Visit Page Image Gallery