Table 2 CH4 and CO2 fluxes from runoff water and sediment surfaces measured with the Picarro GasScouter G4301 and mobile chamber.
From: CH4 emissions from runoff water of Alaskan mountain glaciers
Glacier | Year | Month | Surface type | CH4 | SD | N | CO2 | SD | N |
|---|---|---|---|---|---|---|---|---|---|
(µmol/m2/h) | (mmol/m2/h) | ||||||||
Gulkana | 2021 | Jun | Pond/surface flow water/sediment | − 0.21 | 0.89 | 12 | − 0.9 | 1.7 | 12 |
2022 | Jun | RW | 0.16 | 0.15 | 4 | − 3.6 | 0.7 | 4 | |
Canwell | 2021 | Jun | Sediment | − 0.10 | 0.13 | 4 | − 0.1 | 0.2 | 3 |
2021 | Jun | Pond/surface flow water | 0.39 | 0.56 | 7 | − 0.5 | 0.6 | 6 | |
2022 | Jun | Sediment | 1.7 | 3.5 | 6 | − 1.2 | 1.2 | 3 | |
2022 | Jun | RW | 6.9 | 7.3 | 5 | − 4.8 | 3.2 | 3 | |
Castner | 2021 | Jun | Sedeiment | − 0.08 | 0.28 | 12 | − 0.4 | 0.2 | 12 |
2022 | Jun | Sediment | 50 | 68 | 5 | – | – | – | |
2022 | Jun | RW | 106 | 141 | 7 | – | – | – | |
Matanuska | 2022 | Jun | Sediment | − 0.05 | 0.07 | 6 | – | – | – |
2022 | Jun | RW | 9.7 | 6.7 | 9 | − 3.3 | 0.6 | 4 | |
