HereÕs the model:
	Fossil fuel input = Atmospheric storage + ocean uptake + land biosphere uptake
	6.3           =            3.2               +         1.7        +         1.4
	Note:  the land use input (1.6) is apparently being more than taken up by the land biosphere
	Figure from:  http://www.globalchange.umich.edu/globalchange1/current/lectures/kling/carbon_cycle/carbon_cycle_new.html