@article{fdi:010073726, title = {{G}reenhouse gas emissions from freshwater reservoirs : what does the atmosphere see ?}, author = {{P}rairie, {Y}. {T}. and {A}lm, {J}. and {B}eaulieu, {J}. and {B}arros, {N}. and {B}attin, {T}. and {C}ole, {J}. and del {G}iorgio, {P}. and {D}el{S}ontro, {T}. and {G}u{\'e}rin, {F}r{\'e}d{\'e}ric and {H}arby, {A}. and {H}arrison, {J}. and {M}ercier-{B}lais, {S}. and {S}erca, {D}. and {S}obek, {S}. and {V}achon, {D}.}, editor = {}, language = {{ENG}}, abstract = {{F}reshwater reservoirs are a known source of greenhouse gas ({GHG}) to the atmosphere, but their quantitative significance is still only loosely constrained. {A}lthough part of this uncertainty can be attributed to the difficulties in measuring highly variable fluxes, it is also the result of a lack of a clear accounting methodology, particularly about what constitutes new emissions and potential new sinks. {I}n this paper, we review the main processes involved in the generation of {GHG} in reservoir systems and propose a simple approach to quantify the reservoir {GHG} footprint in terms of the net changes in {GHG} fluxes to the atmosphere induced by damming, that is, 'what the atmosphere sees.' {T}he approach takes into account the pre-impoundment {GHG} balance of the landscape, the temporal evolution of reservoir {GHG} emission profile as well as the natural emissions that are displaced to or away from the reservoir site resulting from hydrological and other changes. {I}t also clarifies the portion of the reservoir carbon burial that can potentially be considered an offset to {GHG} emissions.}, keywords = {{GHG} footprint ; reservoirs ; {CO}2 and {CH}4 emissions ; {C} burial}, booktitle = {}, journal = {{E}cosystems}, volume = {21}, numero = {5}, pages = {1058--1071}, ISSN = {1432-9840}, year = {2018}, DOI = {10.1007/s10021-017-0198-9}, URL = {https://www.documentation.ird.fr/hor/fdi:010073726}, }