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  • 11
    Publikationsdatum: 2024-04-12
    Beschreibung: Despite the importance of surface energy budgets (SEBs) for land-climate interactions in the Arctic, uncertainties in their prediction persist. In situ observational data of SEB components - useful for research and model validation - are collected at relatively few sites across the terrestrial Arctic, and not all available datasets are readily interoperable. Furthermore, the terrestrial Arctic consists of a diversity of vegetation types, which are generally not well represented in land surface schemes of current Earth system models. This dataset comprises harmonized, standardized and aggregated in-situ observations of surface energy budget components measured at 64 sites on vegetated and glaciated sites north of 60° latitude, in the time period from 1994 till 2021. The surface energy budget components include net radiation, sensible heat flux, latent heat flux, ground heat flux, net shortwave radiation, net longwave radiation, surface temperature and albedo, which were aggregated to daily mean, minimum and maximum values from hourly and half-hourly measurements. Data were retrieved from the monitoring networks FLUXNET, AmeriFlux, AON, GC-Net and PROMICE.
    Schlagwort(e): Albedo; Albedo, maximum; Albedo, minimum; Arctic; Arctic_SEB_CA-SCB; Arctic_SEB_CP1; Arctic_SEB_Dye-2; Arctic_SEB_EGP; Arctic_SEB_FI-Lom; Arctic_SEB_GL-NuF; Arctic_SEB_GL-ZaF; Arctic_SEB_GL-ZaH; Arctic_SEB_KAN_B; Arctic_SEB_KAN_L; Arctic_SEB_KAN_M; Arctic_SEB_KAN_U; Arctic_SEB_KPC_L; Arctic_SEB_KPC_U; Arctic_SEB_MIT; Arctic_SEB_NASA-E; Arctic_SEB_NASA-SE; Arctic_SEB_NASA-U; Arctic_SEB_NUK_K; Arctic_SEB_NUK_L; Arctic_SEB_NUK_N; Arctic_SEB_NUK_U; Arctic_SEB_QAS_A; Arctic_SEB_QAS_L; Arctic_SEB_QAS_M; Arctic_SEB_QAS_U; Arctic_SEB_RU-Che; Arctic_SEB_RU-Cok; Arctic_SEB_RU-Sam; Arctic_SEB_RU-Tks; Arctic_SEB_RU-Vrk; Arctic_SEB_Saddle; Arctic_SEB_SCO_L; Arctic_SEB_SCO_U; Arctic_SEB_SE-St1; Arctic_SEB_SJ-Adv; Arctic_SEB_SJ-Blv; Arctic_SEB_SouthDome; Arctic_SEB_Summit; Arctic_SEB_TAS_A; Arctic_SEB_TAS_L; Arctic_SEB_TAS_U; Arctic_SEB_THU_L; Arctic_SEB_THU_U; Arctic_SEB_Tunu-N; Arctic_SEB_UPE_L; Arctic_SEB_UPE_U; Arctic_SEB_US-A03; Arctic_SEB_US-A10; Arctic_SEB_US-An1; Arctic_SEB_US-An2; Arctic_SEB_US-An3; Arctic_SEB_US-Atq; Arctic_SEB_US-Brw; Arctic_SEB_US-EML; Arctic_SEB_US-HVa; Arctic_SEB_US-ICh; Arctic_SEB_US-ICs; Arctic_SEB_US-ICt; Arctic_SEB_US-Ivo; Arctic_SEB_US-NGB; Arctic_SEB_US-Upa; Arctic_SEB_US-xHE; Arctic_SEB_US-xTL; ArcticTundraSEB; Arctic Tundra Surface Energy Budget; Bowen ratio; Calculated from Ground heat, flux / Net radiation; Calculated from Heat, flux, latent / Net radiation; Calculated from Heat, flux, sensible / Heat, flux, latent; Calculated from Heat, flux, sensible / Net radiation; Calculated from Heat, flux, sensible + Heat, flux, latent + Ground heat, flux; Calculated from Long-wave downward radiation, maximum - Long-wave upward radiation, maximum; Calculated from Long-wave downward radiation, minimum - Long-wave upward radiation, minimum; Calculated from Long-wave downward radiation - Long-wave upward radiation; Calculated from Long-wave net radiation / Net radiation; Calculated from Short-wave downward (GLOBAL) radiation, maximum - Short-wave upward (REFLEX) radiation, maximum; Calculated from Short-wave downward (GLOBAL) radiation, minimum - Short-wave upward (REFLEX) radiation, minimum; Calculated from Short-wave downward (GLOBAL) radiation - Short-wave upward (REFLEX) radiation; Calculated from Short-wave net radiation, maximum + Long-wave net radiation, maximum; Calculated from Short-wave net radiation, minimum + Long-wave net radiation, minimum; Calculated from Short-wave net radiation / Net radiation; Calculated from Short-wave net radiation + Long-wave net radiation; Calculated from Short-wave upward (REFLEX) radiation / Short-wave downward (GLOBAL) radiation; Calculated from Surface temperature, maximum - Temperature, air, maximum; Calculated from Surface temperature, minimum - Temperature, air, minimum; Calculated from Surface temperature - Temperature, air; Cloud coverage; Cloud coverage, maximum; Cloud coverage, minimum; Daily maximum; Daily mean; Daily minimum; Data source; DATE/TIME; Day of the year; dry tundra; Eddy covariance; eddy heat flux; ELEVATION; Event label; Field observation; glacier; graminoids; Ground heat, flux; Ground heat, flux, maximum; Ground heat, flux, minimum; Ground heat, flux/Net radiation ratio; ground heat flux and net radiation; harmonized data; Heat, flux, latent; Heat, flux, latent, maximum; Heat, flux, latent, minimum; Heat, flux, latent/Net radiation ratio; Heat, flux, sensible; Heat, flux, sensible, maximum; Heat, flux, sensible, minimum; Heat flux, sensible/Net radiation ratio; high latitude; Humidity, relative; Humidity, relative, maximum; Humidity, relative, minimum; Land-Atmosphere; Land-cover; latent and sensible heat; latent heat flux; LATITUDE; Location ID; LONGITUDE; Long-wave downward radiation; Long-wave downward radiation, maximum; Long-wave downward radiation, minimum; Long-wave net radiation; Long-wave net radiation, maximum; Long-wave net radiation, minimum; Long-wave net radiation/Net radiation ratio; longwave radiation; Long-wave upward radiation; Long-wave upward radiation, maximum; Long-wave upward radiation, minimum; meteorological data; Month; Net radiation; Net radiation, maximum; Net radiation, minimum; Normalized by X / Potential incoming solar radiation, maximum * 100; observatory data; Original variable; Peat bog; Potential incoming solar radiation; Potential incoming solar radiation, maximum; Potential incoming solar radiation, minimum; Precipitation; Precipitation, daily, maximum; Precipitation, daily, minimum; Pressure, atmospheric; Pressure, atmospheric, maximum; Pressure, atmospheric, minimum; Radiation fluxes; Radiative energy budget; sensible heat flux; Short-wave downward (GLOBAL) radiation; Short-wave downward (GLOBAL) radiation, maximum; Short-wave downward (GLOBAL) radiation, minimum; Short-wave net radiation; Short-wave net radiation, maximum; Short-wave net radiation, minimum; Short-wave net radiation/Net radiation ratio; shortwave radiation; Short-wave upward (REFLEX) radiation; Short-wave upward (REFLEX) radiation, maximum; Short-wave upward (REFLEX) radiation, minimum; shrub tundra; Soil water content, volumetric; Soil water content, volumetric, maximum; Soil water content, volumetric, minimum; surface energy balance; Surface temperature; Surface temperature, maximum; Surface temperature, minimum; synthetic data; Temperature, air; Temperature, air, maximum; Temperature, air, minimum; Temperature, soil; Temperature, soil, maximum; Temperature, soil, minimum; Temperature gradient, 0-2m above surface; Temperature gradient, 0-2m above surface, maximum; Temperature gradient, 0-2m above surface, minimum; tundra vegetation; Type of study; Vapour pressure deficit; Vapour pressure deficit, maximum; Vapour pressure deficit, minimum; wetland; Wind direction; Wind speed; Wind speed, maximum; Wind speed, minimum; Year of observation
    Materialart: Dataset
    Format: text/tab-separated-values, 17112737 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 12
    Publikationsdatum: 2024-05-05
    Beschreibung: Despite the importance of surface energy budgets (SEBs) for land-climate interactions in the Arctic, uncertainties in their prediction persist. In situ observational data of SEB components - useful for research and model validation - are collected at relatively few sites across the terrestrial Arctic, and not all available datasets are readily interoperable. Furthermore, the terrestrial Arctic consists of a diversity of vegetation types, which are generally not well represented in land surface schemes of current Earth system models. This dataset describes the environmental conditions for 64 tundra and glacier sites (〉=60°N latitude) across the Arctic, for which in situ measurements of surface energy budget components were harmonized (see Oehri et al. 2022). These environmental conditions are (proxies of) potential drivers of SEB-components and could therefore be called SEB-drivers. The associated environmental conditions, include the vegetation types graminoid tundra, prostrate dwarf-shrub tundra, erect-shrub tundra, wetland complexes, barren complexes (≤ 40% horizontal plant cover), boreal peat bogs and glacier. These land surface types (apart from boreal peat bogs) correspond to the main classification units of the Circumpolar Arctic Vegetation Map (CAVM, Raynolds et al. 2019). For each site, additional climatic and biophysical variables are available, including cloud cover, snow cover duration, permafrost characteristics, climatic conditions and topographic conditions.
    Schlagwort(e): Arctic; Arctic_SEB_CA-SCB; Arctic_SEB_CP1; Arctic_SEB_Dye-2; Arctic_SEB_EGP; Arctic_SEB_FI-Lom; Arctic_SEB_GL-NuF; Arctic_SEB_GL-ZaF; Arctic_SEB_GL-ZaH; Arctic_SEB_KAN_B; Arctic_SEB_KAN_L; Arctic_SEB_KAN_M; Arctic_SEB_KAN_U; Arctic_SEB_KPC_L; Arctic_SEB_KPC_U; Arctic_SEB_MIT; Arctic_SEB_NASA-E; Arctic_SEB_NASA-SE; Arctic_SEB_NASA-U; Arctic_SEB_NUK_K; Arctic_SEB_NUK_L; Arctic_SEB_NUK_N; Arctic_SEB_NUK_U; Arctic_SEB_QAS_A; Arctic_SEB_QAS_L; Arctic_SEB_QAS_M; Arctic_SEB_QAS_U; Arctic_SEB_RU-Che; Arctic_SEB_RU-Cok; Arctic_SEB_RU-Sam; Arctic_SEB_RU-Tks; Arctic_SEB_RU-Vrk; Arctic_SEB_Saddle; Arctic_SEB_SCO_L; Arctic_SEB_SCO_U; Arctic_SEB_SE-St1; Arctic_SEB_SJ-Adv; Arctic_SEB_SJ-Blv; Arctic_SEB_SouthDome; Arctic_SEB_Summit; Arctic_SEB_TAS_A; Arctic_SEB_TAS_L; Arctic_SEB_TAS_U; Arctic_SEB_THU_L; Arctic_SEB_THU_U; Arctic_SEB_Tunu-N; Arctic_SEB_UPE_L; Arctic_SEB_UPE_U; Arctic_SEB_US-A03; Arctic_SEB_US-A10; Arctic_SEB_US-An1; Arctic_SEB_US-An2; Arctic_SEB_US-An3; Arctic_SEB_US-Atq; Arctic_SEB_US-Brw; Arctic_SEB_US-EML; Arctic_SEB_US-HVa; Arctic_SEB_US-ICh; Arctic_SEB_US-ICs; Arctic_SEB_US-ICt; Arctic_SEB_US-Ivo; Arctic_SEB_US-NGB; Arctic_SEB_US-Upa; Arctic_SEB_US-xHE; Arctic_SEB_US-xTL; ArcticTundraSEB; Arctic Tundra Surface Energy Budget; Aspect; Aspect, coefficient of variation; Calculated average/mean values; Cloud cover; Cloud cover, standard deviation; Cloud top pressure; Cloud top pressure, standard deviation; Cloud top temperature; Cloud top temperature, standard deviation; Conrad's continentality index; Daily maximum; Daily mean; Data source; Date/Time of event; dry tundra; Eddy covariance; eddy heat flux; ELEVATION; Elevation, standard deviation; Event label; Field observation; glacier; graminoids; ground heat flux and net radiation; harmonized data; high latitude; Humidity, relative; Land-Atmosphere; Land-cover; Land cover classes; Land cover type; latent and sensible heat; latent heat flux; LATITUDE; Location ID; LONGITUDE; longwave radiation; Mean values; Median values; meteorological data; Number of vegetation types; observatory data; Peat bog; Permafrost, type; Permafrost extent; Permafrost ice content, description; Precipitation; Precipitation, coefficient of variation; Precipitation, daily, maximum; Precipitation, snow; Precipitation, sum; Pressure, atmospheric; p-value; Radiation fluxes; Radiative energy budget; Reference/source; sensible heat flux; Shannon Diversity Index; Shannon Diversity Index, maximum; shortwave radiation; shrub tundra; Site; Slope; Slope, coefficient of variation; Slope, mathematical; Snow, onset, day of the year; Snow cover, number of days; Snowfall, coefficient of variation; Snow-free days; Snow type; Soil water content, volumetric; Species present; Summer warmth index; surface energy balance; synthetic data; Temperature, air, annual mean; Temperature, air, coefficient of variation; Temperature, annual mean range; tundra vegetation; Type of study; Uniform resource locator/link to reference; Vapour pressure deficit; Vegetation type; wetland; Wind speed; Zone
    Materialart: Dataset
    Format: text/tab-separated-values, 4705 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 13
    Publikationsdatum: 2024-05-07
    Beschreibung: These data originate from 11 soil profiles sampled in northern Finland in September 2020 as part of the PeCHEc project. 8 sites were sampled on the Kutuharjue Field Research Station, a reindeer research station run by the Reindeer Herders' Association of Finland. Additional 3 sites were collected in the area around the station in the Muotkatunturi reindeer herding district as reference sites for the different landscape types found. In total, 5 sites with mineral soil (profiles with fixed volume cylinders) and 6 sites with peat (peat corer) were sampled in tundra, grassland and birch forest landscapes, covering a range of 5 different reindeer grazing intensities: a) exclosure site with no grazing (intensity 1), b) occassional migration route (intensity 2), c) regular migration route (intensity 3), d) frequent migration route (intensity 4), e) pasture (intensity 5). Analysis took place at the facilities of AWI between October 2020 and August 2021. All samples taken from the cores were analyzed for water content, bulk density, TOC, TN and δ13C. Additional radiocarbon measurements were done for selected samples of all sites. For mineral soil samples, both from mineral soil sites as well as from the bottom of the peat cores, grain size composition was determined. TC and TN were measured at AWI Potsdam CARLA Laboratory using a vario EL III Element Analyzer. TOC was measured at the same laboratory using a varioMAX C Element Analyzer. δ13C was measured at AWI Potsdam Stable Isotope Laboratory using a Delta V Advantage Isotope Ratio MS supplement equipped with a Flash 2000 Organic Elemental Analyzer. Grain size composition was determined using a Malvern Mastersizer 3000 equipped with a Malvern Hydro LV wet-sample dispersion unit. Statistics were calculated for this using Gradistat 8.0. Radiocarbon dating was carried out using the Mini Carbon Dating System (MICADAS) at AWI Bremerhaven.
    Schlagwort(e): biogeochemistry; Carbon; Finland; peat; PeCHEc; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; sediment
    Materialart: Dataset
    Format: application/zip, 3 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 14
    Publikationsdatum: 2024-05-07
    Schlagwort(e): Age, 14C AMS, Mini Carbon Dating System (MICADAS); Age, dated; Age, dated material; Age, dated standard deviation; biogeochemistry; Carbon; Comment of event; Date/Time of event; Depth, bottom/max; DEPTH, soil; Depth, top/min; Event label; Finland; Fraction modern carbon; Fraction modern carbon, standard deviation; Kutuharju Field Research Station; Laboratory code/label; Latitude of event; Longitude of event; peat; PEATC; Peat corer; PeCHEc; PeCHEc_202009; PeCHEc_FR; PeCHEc_MR; PeCHEc_PR; PeCHEc_S-1M; PeCHEc_S-2M; PeCHEc_S-3M; PeCHEc_S-3P; PeCHEc_S-4P; PeCHEc_S-5F; PeCHEc_S-5M; PeCHEc_S-5P; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; Sample ID; sediment; Soil pit; SPIT
    Materialart: Dataset
    Format: text/tab-separated-values, 292 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 15
    Publikationsdatum: 2024-05-07
    Beschreibung: These data originate from 10 soil profiles sampled in northern Finland in June 2022 as part of the PeCHEc project. All sites were sampled on the Kutuharju Field Research Station, a reindeer research station run by the Reindeer Herders' Association of Finland. 8 sites are located on the reindeer winter ranges, while 1 site (S-2P) located on the reindeer summer ranges. 1 site (E-1M-B) is a reindeer exclosure site. In total, 5 sites with mineral soil (profiles with fixed volume cylinders) and 5 sites with peat (peat corer) were sampled in tundra, grassland and birch forest landscapes, covering a range of 5 different reindeer grazing intensities: - exclosure site with no grazing (intensity 1) - occassional migration route (intensity 2) - regular migration route (intensity 3) - frequent migration route (intensity 4) - pasture / supplementary feeding site (intensity 5). Analysis took place at the facilities of AWI between July and October 2022. All samples taken from the cores were analyzed for TOC, TN, δ13C and THg (total mercury). TN was measured at AWI Potsdam CARLA Laboratory using a rapidMAX N Element Analyzer. TOC was measured at the same laboratory using a soliTOC cube Element Analyzer. δ13C was measured at AWI Potsdam Stable Isotope Laboratory and GFZ Potsdam Stable Isotope Laboratory using Delta V Advantage Isotope Ratio MS supplements equipped with Flash 2000 Organic Elemental Analyzers. THg was determined using a DMA-80 evo Direct Mercury Analyzer.
    Schlagwort(e): biogeochemistry; Carbon; Carbon, organic, total; Carbon, total; Comment of event; Date/Time of event; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Direct Mercury Analyzer, DMA-80 evo; E-1M-B; Elemental analyzer, Elementar, Rapid MAX N; Element analyzer, vario Cube SoliTOC; Event label; Finland; Flash combustion in a Flash 2000 (Thermo) elemental analyser to a Delta V advantage (Thermo) isotope ratio masspectrometer; Kutuharju Field Research Station; Latitude of event; Longitude of event; Mercury; Nitrogen, total; peat; PEATC; Peat corer; PeCHEc; PeCHEc_2022; PeCHEc_E-1M-B; PeCHEc_S-2P; PeCHEc_W-3M; PeCHEc_W-3P; PeCHEc_W-4M-A; PeCHEc_W-4M-B; PeCHEc_W-4P; PeCHEc_W-5M; PeCHEc_W-5P-A; PeCHEc_W-5P-B; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; S-2P; Sample ID; sediment; Soil pit; SPIT; W-3M; W-3P; W-4M-A; W-4M-B; W-4P; W-5M; W-5P-A; W-5P-B; δ13C
    Materialart: Dataset
    Format: text/tab-separated-values, 840 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 16
    Publikationsdatum: 2024-05-07
    Beschreibung: These data originate from 10 soil profiles sampled in northern Finland in June 2022 as part of the PeCHEc project. All sites were sampled on the Kutuharju Field Research Station, a reindeer research station run by the Reindeer Herders' Association of Finland. 8 sites are located on the reindeer winter ranges, while 1 site (S-2P) located on the reindeer summer ranges. 1 site (E-1M-B) is a reindeer exclosure site. In total, 5 sites with mineral soil (profiles with fixed volume cylinders) and 5 sites with peat (peat corer) were sampled in tundra, grassland and birch forest landscapes, covering a range of 5 different reindeer grazing intensities: - exclosure site with no grazing (intensity 1) - occassional migration route (intensity 2) - regular migration route (intensity 3) - frequent migration route (intensity 4) - pasture / supplementary feeding site (intensity 5). Analysis took place at the facilities of AWI between July and October 2022. All samples taken from the cores were analyzed for water content, bulk density, TOC, TN, δ13C and THg (total mercury). Additional radiocarbon measurements were done for selected samples. For mineral soil samples, both from mineral soil sites as well as from the bottom of the peat cores, grain size composition was determined. TN was measured at AWI Potsdam CARLA Laboratory using a rapidMAX N Element Analyzer. TOC was measured at the same laboratory using a soliTOC cube Element Analyzer. δ13C was measured at AWI Potsdam Stable Isotope Laboratory and GFZ Potsdam Stable Isotope Laboratory using Delta V Advantage Isotope Ratio MS supplements equipped with Flash 2000 Organic Elemental Analyzers. THg was determined using a DMA-80 evo Direct Mercury Analyzer. Grain size composition was determined using a Malvern Mastersizer 3000 equipped with a Malvern Hydro LV wet-sample dispersion unit. Statistics were calculated for this using Gradistat 8.0. Radiocarbon dating was carried out using the Mini Carbon Dating System (MICADAS) at AWI Bremerhaven.
    Schlagwort(e): biogeochemistry; Carbon; E-1M-B; Finland; Kutuharju Field Research Station; peat; PEATC; Peat corer; PeCHEc; PeCHEc_2022; PeCHEc_E-1M-B; PeCHEc_S-2P; PeCHEc_W-3M; PeCHEc_W-3P; PeCHEc_W-4M-A; PeCHEc_W-4M-B; PeCHEc_W-4P; PeCHEc_W-5M; PeCHEc_W-5P-A; PeCHEc_W-5P-B; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; S-2P; sediment; Soil pit; SPIT; W-3M; W-3P; W-4M-A; W-4M-B; W-4P; W-5M; W-5P-A; W-5P-B
    Materialart: Dataset
    Format: application/zip, 4 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 17
    Publikationsdatum: 2024-05-07
    Schlagwort(e): biogeochemistry; Carbon; Clay; Comment of event; Date/Time of event; Density, dry bulk; Depth, bottom/max; DEPTH, soil; Depth, top/min; Event label; Finland; Grain size, Mastersizer 3000, Malvern Instrument Inc.; Grain size, mean; Kutuharju Field Research Station; Latitude of event; Longitude of event; peat; PEATC; Peat corer; PeCHEc; PeCHEc_202009; PeCHEc_FR; PeCHEc_MR; PeCHEc_PR; PeCHEc_S-1M; PeCHEc_S-2M; PeCHEc_S-3M; PeCHEc_S-3P; PeCHEc_S-4P; PeCHEc_S-5F; PeCHEc_S-5M; PeCHEc_S-5P; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; Sample ID; Sand; sediment; Silt; Soil pit; Soil water content; SPIT
    Materialart: Dataset
    Format: text/tab-separated-values, 898 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 18
    Publikationsdatum: 2024-05-07
    Beschreibung: These data originate from 10 soil profiles sampled in northern Finland in June 2022 as part of the PeCHEc project. All sites were sampled on the Kutuharju Field Research Station, a reindeer research station run by the Reindeer Herders' Association of Finland. 8 sites are located on the reindeer winter ranges, while 1 site (S-2P) located on the reindeer summer ranges. 1 site (E-1M-B) is a reindeer exclosure site. In total, 5 sites with mineral soil (profiles with fixed volume cylinders) and 5 sites with peat (peat corer) were sampled in tundra, grassland and birch forest landscapes, covering a range of 5 different reindeer grazing intensities: - exclosure site with no grazing (intensity 1) - occassional migration route (intensity 2) - regular migration route (intensity 3) - frequent migration route (intensity 4) - pasture / supplementary feeding site (intensity 5). Analysis took place at the facilities of AWI between July and October 2022. All samples taken from the cores were analyzed for water content and bulk density. For mineral soil samples, both from mineral soil sites as well as from the bottom of the peat cores, grain size composition was determined. Grain size composition was determined using a Malvern Mastersizer 3000 equipped with a Malvern Hydro LV wet-sample dispersion unit. Statistics were calculated for this using Gradistat 8.0.
    Schlagwort(e): biogeochemistry; Carbon; Clay; Comment of event; Date/Time of event; Density, dry bulk; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; E-1M-B; Event label; Finland; Grain size, Mastersizer 3000, Malvern Instrument Inc.; Grain size, mean; Kutuharju Field Research Station; Latitude of event; Longitude of event; peat; PEATC; Peat corer; PeCHEc; PeCHEc_2022; PeCHEc_E-1M-B; PeCHEc_S-2P; PeCHEc_W-3M; PeCHEc_W-3P; PeCHEc_W-4M-A; PeCHEc_W-4M-B; PeCHEc_W-4P; PeCHEc_W-5M; PeCHEc_W-5P-A; PeCHEc_W-5P-B; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; S-2P; Sample ID; Sand; sediment; Silt; Soil pit; Soil water content; SPIT; Statistical analysis GRADISTAT package (Blott and Pye, 2001); W-3M; W-3P; W-4M-A; W-4M-B; W-4P; W-5M; W-5P-A; W-5P-B
    Materialart: Dataset
    Format: text/tab-separated-values, 564 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 19
    Publikationsdatum: 2024-05-07
    Beschreibung: These data originate from 10 soil profiles sampled in northern Finland in June 2022 as part of the PeCHEc project. All sites were sampled on the Kutuharju Field Research Station, a reindeer research station run by the Reindeer Herders' Association of Finland. 8 sites are located on the reindeer winter ranges, while 1 site (S-2P) located on the reindeer summer ranges. 1 site (E-1M-B) is a reindeer exclosure site. In total, 5 sites with mineral soil (profiles with fixed volume cylinders) and 5 sites with peat (peat corer) were sampled in tundra, grassland and birch forest landscapes, covering a range of 5 different reindeer grazing intensities: - exclosure site with no grazing (intensity 1) - occassional migration route (intensity 2) - regular migration route (intensity 3) - frequent migration route (intensity 4) - pasture / supplementary feeding site (intensity 5).
    Schlagwort(e): biogeochemistry; Carbon; Core; Core length; DATE/TIME; E-1M-B; Event label; Finland; Kutuharju Field Research Station; LATITUDE; LONGITUDE; Method comment; peat; PEATC; Peat corer; PeCHEc; PeCHEc_2022; PeCHEc_E-1M-B; PeCHEc_S-2P; PeCHEc_W-3M; PeCHEc_W-3P; PeCHEc_W-4M-A; PeCHEc_W-4M-B; PeCHEc_W-4P; PeCHEc_W-5M; PeCHEc_W-5P-A; PeCHEc_W-5P-B; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; S-2P; Sample method; sediment; Site; Soil pit; Soil type; SPIT; Type; W-3M; W-3P; W-4M-A; W-4M-B; W-4P; W-5M; W-5P-A; W-5P-B
    Materialart: Dataset
    Format: text/tab-separated-values, 70 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 20
    Publikationsdatum: 2024-05-07
    Beschreibung: These data originate from 10 soil profiles sampled in northern Finland in June 2022 as part of the PeCHEc project. All sites were sampled on the Kutuharju Field Research Station, a reindeer research station run by the Reindeer Herders' Association of Finland. 8 sites are located on the reindeer winter ranges, while 1 site (S-2P) located on the reindeer summer ranges. 1 site (E-1M-B) is a reindeer exclosure site. In total, 5 sites with mineral soil (profiles with fixed volume cylinders) and 5 sites with peat (peat corer) were sampled in tundra, grassland and birch forest landscapes, covering a range of 5 different reindeer grazing intensities: - exclosure site with no grazing (intensity 1) - occassional migration route (intensity 2) - regular migration route (intensity 3) - frequent migration route (intensity 4) - pasture / supplementary feeding site (intensity 5). Analysis took place at the facilities of AWI between July and October 2022. Radiocarbon measurements were done for selected samples. Radiocarbon dating was carried out using the Mini Carbon Dating System (MICADAS) at AWI Bremerhaven.
    Schlagwort(e): Age, 14C AMS, Mini Carbon Dating System (MICADAS); Age, dated; Age, dated material; Age, dated standard deviation; biogeochemistry; Carbon; Comment of event; Date/Time of event; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; E-1M-B; Event label; Finland; Fraction modern carbon; Fraction modern carbon, standard deviation; Kutuharju Field Research Station; Laboratory code/label; Latitude of event; Longitude of event; Mini Carbon Dating System (MICADAS); peat; PEATC; Peat corer; PeCHEc; PeCHEc_2022; PeCHEc_E-1M-B; PeCHEc_S-2P; PeCHEc_W-3M; PeCHEc_W-3P; PeCHEc_W-4M-A; PeCHEc_W-4M-B; PeCHEc_W-4P; PeCHEc_W-5M; PeCHEc_W-5P-A; PeCHEc_W-5P-B; Permafrost Carbon Stabilization by Recreating a Herbivore-Driven Ecosystem; S-2P; Sample ID; sediment; Soil pit; SPIT; W-3M; W-3P; W-4M-A; W-4M-B; W-4P; W-5M; W-5P-A; W-5P-B
    Materialart: Dataset
    Format: text/tab-separated-values, 173 data points
    Standort Signatur Erwartet Verfügbarkeit
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