PANGAEA2019 · Archive · restricted
UAV-based methane data from Barter Island, Northern Alaska, September 2017…Identifying 'hot spots' of methane flux on a local scale has been limited by the spatial scales of traditional ground-based or satellite-based methane-sampling methods.… …Here we present methane data from along the coast of Barter Island, Alaska that was produced with an Unmanned Aerial System and an off-the-shelf, cost-effective methane sensor.…
PANGAEA2019 · Archive · restricted
Unmanned air sampling quadrocopter for studying boundary layer methane isotopy and vertical mixing processes – initial field test data, PS109…Methane is a very effective greenhouse gas, but the role of the Polar Regions in the methane budget and its sources there is subject to discussion.… …The sparse surface network data and satellite data indicate significant source regions above the polar oceans.…
PANGAEA2019 · Archive · restricted
Unmanned air sampling quadrocopter for studying boundary layer methane isotopy and vertical mixing processes – initial field test data, Zarnekow 2018…Methane is a very effective greenhouse gas, but the role of the Polar Regions in the methane budget and its sources there is subject to discussion.… …The sparse surface network data and satellite data indicate significant source regions above the polar oceans.…
PANGAEA2017 · Archive · restricted
Chemical analyses from sediment cores of giant Troll gas field in the Norwegian North Sea…In addition, smaller satellite pockmarks surround some of the pockmarks.… …We conclude that methane seepage formed this extensive gas field following to gas hydrate dissociation.…
PANGAEA2015 · Archive · restricted
XCO2 and XCH4 total column measurement during POLARSTERN cruise PS83 (ANT-XXIX/10), north-south gradient…transform spectrometer (FTS), model EM27/SUN, was deployed onboard the research vessel Polarstern to measure the column-average dry air mole fractions of carbon dioxide (XCO2) and methane… …Comparisons to observations of the GOSAT satellite and concentration fields modeled by the European Centre for Medium-Range Weather Forecasts (ECMWF) Copernicus Atmosphere Monitoring…
PANGAEA2009 · Archive · restricted
Mineralogy and stable isotopic composition of authigenic carbonate samples from Chapopote TVG-6…Several of the knolls are associated with sea-surface oil slicks identified from satellite data, indicating the presence of hydrocarbon seeps on the seafloor.… …oxidation as the primary source of carbon to the DIC pool, while lipid biomarker data demonstrate the concurrent existence of microbial communities responsible for anaerobic oxidation of methane…