Soil smoldering in temperate forests: a neglected contributor to fire carbon emissions revealed by atmospheric mixing ratios. - Vallet, Lilian; Abdallah, Charbel; Lauvaux, Thomas; Joly, Lilian; Ramonet, Michel; Ciais, Philippe; Lopez, Morgan; Xueref-Remy, Irène; Mouillot, Florent (Biogeosciences, 2025)