HR: 0830h
AN: B11D-0714    [PDF]
TI: Interannual variability of carbon fluxes from forest ecosystems and other regions
AU: Mariotti, A
EM: amariott@essic.umd.edu
AF: Annarita Mariotti, ESSIC, College Park, MD 20742 United States
AU: * Zeng, N
EM: zeng@atmos.umd.edu
AF: Annarita Mariotti, ESSIC, College Park, MD 20742 United States
AU: Murtugudde, R
EM: ragu@essic.umd.edu
AF: Annarita Mariotti, ESSIC, College Park, MD 20742 United States
AB: A dynamic vegetation model is used to study the interannual CO2 variability in relation to climate variability and disturbance. The tropical forest ecosystem plays a major role in the global total land fluxes, particarly in relation to ENSO. The boreal forests varies at amplitude comparable to tropical forests, but with high spatial variability. The mechanisms are distinctly different in the tropics and at the boreal regions in that the precipitation and temperature effects on NPP and respiration have the same or opposite effects due to the difference in climate chrateristics. Fire also plays an important role in the interannual carbon flux variability.
DE: 0400 Biogeosciences
SC: Biogeosciences [B]
MN: 2003 Fall Meeting