  In this report we set forth a simulation method for long-term simulations of
NorESM, the Norwegian Earth System Model. In this the sediment is repeatedly
decoupled and coupled to the ocean model (BLOM/iHAMOCC), a process called burst
coupling. Through this, the ocean (seawater and sediment) is brought into an
approximate steady state. We show that just the model has to run at least 50000
yr to get in an approximate steady state. With burst coupling this can be done
in a computationally reasonable time (wall time in the order of one week). The
method can be used to generate the sediment over hundreds of thousands of
years, so it is useful not only for present-day simulations but also for
paleo-climatological studies.
