Groundwater discharge as a driver of methane emissions from Arctic lakes

Carolina Olid, Valenti Rodellas Vila, Gerard Rocher-Ros, Jordi Garcia Orellana, Marc Diego Feliu, Aaron Alorda Kleinglas, David Bastviken, Jan Karlsson

Producción científica: Contribución a una revistaArtículoInvestigaciónrevisión exhaustiva

20 Citas (Scopus)

Resumen

Lateral CH4 inputs to Arctic lakes through groundwater discharge could be substantial and constitute an important pathway that links CH4 production in thawing permafrost to atmospheric emissions via lakes. Yet, groundwater CH4 inputs and associated drivers are hitherto poorly constrained because their dynamics and spatial variability are largely unknown. Here, we unravel the important role and drivers of groundwater discharge for CH4 emissions from Arctic lakes. Spatial patterns across lakes suggest groundwater inflows are primarily related to lake depth and wetland cover. Groundwater CH4 inputs to lakes are higher in summer than in autumn and are influenced by hydrological (groundwater recharge) and biological drivers (CH4 production). This information on the spatial and temporal patterns on groundwater discharge at high northern latitudes is critical for predicting lake CH4 emissions in the warming Arctic, as rising temperatures, increasing precipitation, and permafrost thawing may further exacerbate groundwater CH4 inputs to lakes.

CH4 inputs to Arctic lakes via groundwater discharge are an important pathway that links CH4 production in thawing permafrost to emission via lakes. Here the authors unravel the role and drivers of groundwater inflows for CH4 emissions from Arctic lakes.

Idioma originalInglés
Número de artículo3667
Páginas (desde-hasta)3667
Número de páginas9
PublicaciónNature communications
Volumen13
N.º1
DOI
EstadoPublicada - 27 jun 2022

Huella

Profundice en los temas de investigación de 'Groundwater discharge as a driver of methane emissions from Arctic lakes'. En conjunto forman una huella única.

Citar esto