@article{fdi:010096005, title = {{P}ast and future change in global river flows}, author = {{G}udmundsson, {L}. and {B}runner, {M}. {I}. and {D}{\¨o}ll, {P}. and {F}luet-{C}houinard, {E}. and {F}rolova, {N}. and {G}osling, {S}. {N}. and {H}irabayashi, {Y}. and {K}ireeva, {M}. {B}. and {L}iu, {X}. {M}. and {S}chmied, {H}. {M}. and {M}agritskiy, {D}. and {S}later, {L}. {J}. and {S}tein, {L}. and {T}ramblay, {Y}ves and {W}ang, {K}. {W}. and {W}asko, {C}. and {Y}amazaki, {D}. and {Z}hou, {X}. {D}.}, editor = {}, language = {{ENG}}, abstract = {{R}ivers are a vital component of the global water cycle. {H}owever, human influence on climate and terrestrial systems is increasingly shaping river flow regimes. {I}n this {R}eview, we summarize the current understanding of past and projected changes in global river flow, focusing on annual volumes, seasonal dynamics and sudden changes. {R}iver flow observations reveal distinct regional trends, including increased flows in high-latitude regions and decreased flows in parts of the mid-latitudes and subtropics. {S}now-dominated regions in particular show shifts in their seasonal cycle towards earlier flows. {T}hese patterns align broadly with historical climate model simulations, suggesting an anthropogenic climate change signal. {H}owever, attribution is complicated by the interplay of greenhouse gas emissions, {CO}2-driven vegetation response, land-use change and water management. {F}uture projections indicate continued change, with certain regions experiencing wetter conditions and others intensified drying. {S}easonal changes, particularly those due to altered snow dynamics, are also expected to intensify. {D}espite modelling and observational advances, uncertainties remain regarding the combined effects of anthropogenic climate change and direct human interventions in terrestrial systems. {C}losing these gaps requires improved monitoring, advances in modelling and robust attribution frameworks, in support of efficiently managing water resources, sustaining ecosystems and adapting to a changing climate.}, keywords = {}, booktitle = {}, journal = {{N}ature {R}eviews {E}arth and {E}nvironment}, volume = {[{E}arly access]}, numero = {}, pages = {[17 p.]}, year = {2025}, DOI = {10.1038/s43017-025-00745-z}, URL = {https://www.documentation.ird.fr/hor/fdi:010096005}, }