Highresolution dataset assessing methane concentrations and modelling the

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High-resolution dataset assessing methane concentrations and modelling the carbon dynamics within Europe's second largest

High-resolution dataset assessing methane concentrations and modelling the carbon dynamics within Europe's second largest delta, the Danube River Delta Anna Canning and Arne Körtzinger | 08. 05. 2020 GEOMAR Helmholtz Centre for Ocean Research Kiel Session GM 6. 1 EGU General Assembly 2020 - Sharing Geoscience Online The research leading to these results has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 643052 (C-CASCADES project).

High-resolution dataset assessing methane + dynamics concentrations and modelling the carbon dynamics within Europe's

High-resolution dataset assessing methane + dynamics concentrations and modelling the carbon dynamics within Europe's second largest delta, in the Danube River Delta Anna Canning and Arne Körtzinger | 08. 05. 2020 GEOMAR Helmholtz Centre for Ocean Research Kiel Session GM 6. 1 EGU General Assembly 2020 - Sharing Geoscience Online The research leading to these results has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 643052 (C-CASCADES project).

The Danube Delta EGU 2020 || acanning@geomar. de || The Danube River Delta ||

The Danube Delta EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020

The Danube Delta – Field Campaigns Black Sea O 2 EGU 2020 || acanning@geomar.

The Danube Delta – Field Campaigns Black Sea O 2 EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020 T/S CO 2 CH 4

Lake Roşu Black Sea O 2 EGU 2020 || acanning@geomar. de || The Danube

Lake Roşu Black Sea O 2 EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020 T/S CO 2 CH 4

Lake Roşu Canning et al. , (In prep) EGU 2020 || acanning@geomar. de ||

Lake Roşu Canning et al. , (In prep) EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020

Lake Roşu Canning et al. , (In prep) EGU 2020 || acanning@geomar. de ||

Lake Roşu Canning et al. , (In prep) EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020

Lake Roşu Set-up ˜ 50 cm Canning et al. , (In prep) EGU 2020

Lake Roşu Set-up ˜ 50 cm Canning et al. , (In prep) EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020

Lake Roşu Set-up ˜ 50 cm Canning et al. , (In prep) EGU 2020

Lake Roşu Set-up ˜ 50 cm Canning et al. , (In prep) EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020

Lake Roşu Midday sampling ˜ 50 cm Canning et al. , (In prep) EGU

Lake Roşu Midday sampling ˜ 50 cm Canning et al. , (In prep) EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020 ˜ 30%

Take Home Message Strong diel variation for CH 4 Potentially daily stratification Sampling times

Take Home Message Strong diel variation for CH 4 Potentially daily stratification Sampling times can cause a potential underestimation of concentrations + fluxes by up to 30% Thank you for you attention! Special thank you to: Marie, Bernhard and Teo Canning et al. , (In prep) EGU 2020 || [email protected] de || The Danube River Delta || 08. 05. 2020 [email protected] de