geochemistry, coupling of hydrodynamic and biogeochemical processes,
large lakes as analogues of modern and ancient oceans, permanently
stratified lakes, East African Great Lakes, Lake Superior.
Oxygen depletion in estuaries and
coastal areas is a growing problem caused by nutrient pollution, shifts
in circulation, and warming.
January 2014. Research cruise on Lake Malawi.
Redeployed moorings, obtained water samples. One of the immediate
research goals is to identify causes of recent fish kills and the
future responses of the lake to changing climate and land use.
December 2013. Our new paper
on the N cycle in Lake Superior balances the previously enigmatic
nitrogen budget for the lake and suggests ways of estimating
denitrification in the abyssal ocean.
August 2013. Arthur Aaberg defended his M.Sc. thesis.