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  • 3D sonic anemometer (Gill Windmaster Pro, Hampshire, UK); Air temperature at 2 m height; AWI Arctic Land Expedition; carbon dioxide; Carbon dioxide, flux; Carbon dioxide, flux, in mass carbon; Carbon dioxide, flux, standard deviation; carbon fluxes; Carbon in Permafrost / Kohlenstoff im Permafrost; CLICCS; Cluster of Excellence: Climate, Climatic Change, and Society; DATE/TIME; Eddy covariance; Eddy covariance footprint, contribution of surface class; FLUX_TOWER; Flux tower; Friction velocity; Humidity, relative; KoPF; Lena 2019; Lena Delta; LenaDelta_Tower; Licor 7200; Licor 7700; Long-wave downward radiation; Long-wave upward radiation; Methane; Methane, flux; Net radiometer; NRM; Permafrost; pond; Quality flag; RU-Land_2019_Lena; Short-wave downward (GLOBAL) radiation; Short-wave upward (REFLEX) radiation; Temperature, air; Thermometer/Hygrometer, Vaisala, HMP155; Wind direction; Wind speed  (1)
  • 3D-UA; 3D ultrasonic anemometer; Arctic peatlands; Area; AWI Arctic Land Expedition; Calculated based on geographical coordinates; Campbell Scientific NR-LITE2 Net Radiometer; Carbon, organic; Carbon dioxide, dissolved; CLICCS; Cluster of Excellence: Climate, Climatic Change, and Society; Date; DEPTH, water; Event label; Handheld GPS, Garmin; Headspace gas chromatography; Lake/Pond; LATITUDE; Lena 2019; Lena-2019_1; Lena-2019_10; Lena-2019_11; Lena-2019_12; Lena-2019_13; Lena-2019_14; Lena-2019_15; Lena-2019_16; Lena-2019_17; Lena-2019_19; Lena-2019_2; Lena-2019_20; Lena-2019_21; Lena-2019_22; Lena-2019_24; Lena-2019_25; Lena-2019_26; Lena-2019_27; Lena-2019_28; Lena-2019_29; Lena-2019_3; Lena-2019_30; Lena-2019_31; Lena-2019_32; Lena-2019_33; Lena-2019_34; Lena-2019_35; Lena-2019_36; Lena-2019_37; Lena-2019_38; Lena-2019_39; Lena-2019_4; Lena-2019_40; Lena-2019_41; Lena-2019_5; Lena-2019_61; Lena-2019_62; Lena-2019_7; Lena-2019_8; Lena-2019_9; Lena Delta; Lena River Delta; LONGITUDE; Metal rod; Methane; Methane, dissolved; Methane, standard deviation; Mini-Diver DI501, Schlumberger Water Services, NL; Moss, cover; Muffel furnace, 550 °C, LOI; MULT; Multimeter with CellOx325 sensor, WTW; Multiple investigations; Optional event label; Oxygen, dissolved; permafrost; Permafrost; Pond_1; Pond_10; Pond_11; Pond_12; Pond_13; Pond_14; Pond_15; Pond_16; Pond_17; Pond_19; Pond_2; Pond_20; Pond_21; Pond_22; Pond_24; Pond_25; Pond_26; Pond_27; Pond_28; Pond_29; Pond_3; Pond_30; Pond_31; Pond_32; Pond_33; Pond_34; Pond_35; Pond_36; Pond_37; Pond_38; Pond_39; Pond_4; Pond_40; Pond_41; Pond_5; Pond_61; Pond_62; Pond_7; Pond_8; Pond_9; ponds; RU-Land_2019_Lena; Short-wave radiation; Temperature, water; Thaw depth of active layer; Type; Vegetation, cover; Wind speed  (1)
  • 2020-2024  (2)
Document type
Keywords
Publisher
Years
  • 2020-2024  (2)
Year
  • 1
    Publication Date: 2024-05-07
    Description: Ponds emit more methane per area than larger lakes. However, methane concentrations in and methane emissions from ponds show more spatial variability than larger waterbodies. A better understanding of this variability is needed to improve upscaling estimates of freshwater methane emissions. To this end, we studied 41 polygonal-tundra ponds on the islands Samoylov and Kurungakh in the Lena River Delta, northeast Siberia. The ponds fall into three geomorphological types with distinct differences in drivers of methane concentrations: polygonal-center ponds, ice-wedge ponds and larger merged-polygonal ponds. We collected water samples at different locations and depths in each pond and determined methane concentrations using gas chromatography. Additionally, we collected information on the geomorphology, vegetation cover as well as on key physical and chemical properties of the ponds and combined them with meteorological data to identify drivers of surface-water methane concentrations.
    Keywords: 3D-UA; 3D ultrasonic anemometer; Arctic peatlands; Area; AWI Arctic Land Expedition; Calculated based on geographical coordinates; Campbell Scientific NR-LITE2 Net Radiometer; Carbon, organic; Carbon dioxide, dissolved; CLICCS; Cluster of Excellence: Climate, Climatic Change, and Society; Date; DEPTH, water; Event label; Handheld GPS, Garmin; Headspace gas chromatography; Lake/Pond; LATITUDE; Lena 2019; Lena-2019_1; Lena-2019_10; Lena-2019_11; Lena-2019_12; Lena-2019_13; Lena-2019_14; Lena-2019_15; Lena-2019_16; Lena-2019_17; Lena-2019_19; Lena-2019_2; Lena-2019_20; Lena-2019_21; Lena-2019_22; Lena-2019_24; Lena-2019_25; Lena-2019_26; Lena-2019_27; Lena-2019_28; Lena-2019_29; Lena-2019_3; Lena-2019_30; Lena-2019_31; Lena-2019_32; Lena-2019_33; Lena-2019_34; Lena-2019_35; Lena-2019_36; Lena-2019_37; Lena-2019_38; Lena-2019_39; Lena-2019_4; Lena-2019_40; Lena-2019_41; Lena-2019_5; Lena-2019_61; Lena-2019_62; Lena-2019_7; Lena-2019_8; Lena-2019_9; Lena Delta; Lena River Delta; LONGITUDE; Metal rod; Methane; Methane, dissolved; Methane, standard deviation; Mini-Diver DI501, Schlumberger Water Services, NL; Moss, cover; Muffel furnace, 550 °C, LOI; MULT; Multimeter with CellOx325 sensor, WTW; Multiple investigations; Optional event label; Oxygen, dissolved; permafrost; Permafrost; Pond_1; Pond_10; Pond_11; Pond_12; Pond_13; Pond_14; Pond_15; Pond_16; Pond_17; Pond_19; Pond_2; Pond_20; Pond_21; Pond_22; Pond_24; Pond_25; Pond_26; Pond_27; Pond_28; Pond_29; Pond_3; Pond_30; Pond_31; Pond_32; Pond_33; Pond_34; Pond_35; Pond_36; Pond_37; Pond_38; Pond_39; Pond_4; Pond_40; Pond_41; Pond_5; Pond_61; Pond_62; Pond_7; Pond_8; Pond_9; ponds; RU-Land_2019_Lena; Short-wave radiation; Temperature, water; Thaw depth of active layer; Type; Vegetation, cover; Wind speed
    Type: Dataset
    Format: text/tab-separated-values, 820 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-06-12
    Description: To compare the carbon fluxes between semi-terrestrial tundra and ponds, which cover a significant fraction of northern peatlands, we installed a temporary Eddy Covariance tower next to a merged polygonal pond in the Lena River Delta. The resulting dataset includes the sensible heat flux, latent heat flux, CO2 flux, and CH4 flux. Additionally, the dataset contains meteorological observations, an estimate of the footprint coverage, and estimated CO2 fluxes from the merged polygonal pond and the semi-terrestrial polygonal tundra, respectively. The dataset was recorded between 11 July and 10 September 2019. Further information on the dataset can be found in https://doi.org/10.5194/bg-19-1225-2022
    Keywords: 3D sonic anemometer (Gill Windmaster Pro, Hampshire, UK); Air temperature at 2 m height; AWI Arctic Land Expedition; carbon dioxide; Carbon dioxide, flux; Carbon dioxide, flux, in mass carbon; Carbon dioxide, flux, standard deviation; carbon fluxes; Carbon in Permafrost / Kohlenstoff im Permafrost; CLICCS; Cluster of Excellence: Climate, Climatic Change, and Society; DATE/TIME; Eddy covariance; Eddy covariance footprint, contribution of surface class; FLUX_TOWER; Flux tower; Friction velocity; Humidity, relative; KoPF; Lena 2019; Lena Delta; LenaDelta_Tower; Licor 7200; Licor 7700; Long-wave downward radiation; Long-wave upward radiation; Methane; Methane, flux; Net radiometer; NRM; Permafrost; pond; Quality flag; RU-Land_2019_Lena; Short-wave downward (GLOBAL) radiation; Short-wave upward (REFLEX) radiation; Temperature, air; Thermometer/Hygrometer, Vaisala, HMP155; Wind direction; Wind speed
    Type: Dataset
    Format: text/tab-separated-values, 57993 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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