Estimation of soil organic carbon in forests of the United States

Grant M Domke1, Charles Hobart Perry2, Brian F Walters3, Christopher W Woodall3, Lucas E Nave4 and Chris Swanston5, (1)USDA Forest Service, Northern Research Station, St. Paul, MN, United States, (2)USDA Forest Service, Vallejo, CA, United States, (3)Northern Research Station, Saint Paul, MN, United States, (4)University of Michigan Ann Arbor, Ann Arbor, MI, United States, (5)US Forest Service, Northern Institute of Applied Climate Science, Houghton, MI, United States