Permafrost Region Greenhouse Gas Budgets Suggest a Weak CO2 Sink and CH4 and N2O Sources, But Magnitudes Differ Between Top-Down and Bottom-Up Methods

by Hugelius, G., Ramage, J., Burke, E., Chatterjee, A., Smallman, T.L., Aalto, T., Bastos, A., Biasi, C., Canadell, J.G., Chandra, N., Chevallier, F., Ciais, P., Chang, J., Feng, L., Jones, M.W., Kleinen, T., Kuhn, M., Lauerwald, R., Liu, J., López-Blanco, E., Luijkx, I.T., Marushchak, M.E., Natali, S.M., Niwa, Y., Olefeldt, D., Palmer, P.I., Patra, P.K., Peters, W., Potter, S., Poulter, B., Rogers, B.M., Riley, W.J., Saunois, M., Schuur, E.A.G., Thompson, R.L., Treat, C., Tsuruta, A., Turetsky, M.R., Virkkala, A.M., Voigt, C., Watts, J., Zhu, Q., Zheng, B.