Solar superstorm of AD 774 recorded subannually by Arctic tree rings

por Uusitalo, J., Arppe, L., Hackman, T., Helama, S., Kovaltsov, G., Mielikäinen, K., Mäkinen, H., Nöjd, P., Palonen, V., Usoskin, I., Oinonen, M.
Publicado 2018

Author Correction: Solar superstorm of AD 774 recorded subannually by Arctic tree rings

por Uusitalo, J., Arppe, L., Hackman, T., Helama, S., Kovaltsov, G., Mielikäinen, K., Mäkinen, H., Nöjd, P., Palonen, V., Usoskin, I., Oinonen, M.
Publicado 2019

Tree height strongly affects estimates of water-use efficiency responses to climate and CO(2) using isotopes

por Brienen, R. J. W., Gloor, E., Clerici, S., Newton, R., Arppe, L., Boom, A., Bottrell, S., Callaghan, M., Heaton, T., Helama, S., Helle, G., Leng, M. J., Mielikäinen, K., Oinonen, M., Timonen, M.
Publicado 2017