Dr Angela Harris - Research
Previous and ongoing projects include:
Photosynthetic processes in northern peatlands Potential responses to hydrological change
Scaling peatland carbon fluxes
The use of airborne remote sensing for provision of spatially distributed estimates of peatland near surface wetness
Peatlands contain vast amounts the world’s soil carbon and have a fundamental role in the terrestrial carbon cycle. Surface wetness, near-surface wetness and the position of the mean watertable are the primary factors controlling the rate at which atmospheric carbon gases are emitted from peatlands. Such data are key forcing variables in models of carbon balance processes. Current models rely heavily on small-scale point based data extrapolated over large areas, although such highly detailed data do not provide the spatial coverage necessary to characterise hydrological conditions across entire peatland complexes. As a consequence, important variations in peatland microtopography, and thus variability in the water-table position, are often unaccounted for.