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303 Titles Match Your Query
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1. AmeriFlux CO2, Water Vapor, and Energy Exchange from Native Tallgrass Prairie Site Near Shidler, Oklahoma, 1996-1997 [AMERIFLUX_SHIDLER-CDIAC]
The tallgrass site near Shidler, Oklahoma is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and the atmosphere. ...


2. AmeriFlux CO2, Water Vapor, and Energy Exchange from a Wheat Site Near Ponca, Oklahoma 1996-1997 [AMERIFLUX_PONCA_CDIAC]
The wheat site near Ponca, Oklahoma is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and the atmosphere. ...


3. Comparison of Inorganic Carbon System Parameters Measured in the Atlantic Ocean from 1990 to 1998 and Recommended Adjustments, CDIAC-140 [CDIAC_IC-140]
As part of the global synthesis effort sponsored by the Global Carbon Cycle project of the National Oceanic and Atmospheric Administration (NOAA) and U.S. Department of Energy, a comprehensive comparison ...


4. Cryostratigraphy and soil physical properties of frozen cores taken in 2012 and 2013 at BEO, Barrow, Alaska [Cryo_Soil_physical properties_frozen_cores_2012_2013_BEO_Barrow_AK]
Data set includes description, images and information about soil properties (volumetric/gravimetric ice content, wet/dry bulk density, soil texture and thermal conductivity of frozen soil) obtained ...


5. Free-Air CO2 Enrichment (FACE) Experiment: Daily Leaf Area Index (LAI) Data [CDIAC_FACE_LAI]
Leaf area data are available for 1999-2006. There is a daily file for each year which contains the leaf area index values (m2/m2).Leaf area index (LAI, total one-sided leaf area above a unit of ground ...


6. GLobal Ocean Data Analysis Project (GLODAP) Ocean Atlas [CDIAC_GLODAP]
The GLobal Ocean Data Analysis Project (GLODAP) is a cooperative effort to coordinate global synthesis projects funded through NOAA/DOE and NSF as part of the Joint Global Ocean Flux Study - Synthesis ...


7. Global, Regional, and National CO2 Emission Estimates from Fossil Fuel Burning, Cement Production, and Gas Flaring: 1751-2002/CDIAC NDP-030 [CDIAC_NDP30]
The data presented in this Numeric Data Package (NDP-030) include global, regional, and national annual estimates of CO2 emissions from fossil fuel burning, cement production, and gas flaring have ...


8. Influences and Interactions of Inundation, Peat, and Snow on Active Layer Thickness: Modeling Archive [Inundation_Peat_Snow_Active_Layer_Thickness_Modeling_Archive]
The Advanced Terrestrial Simulator was used to simulate thermal hydrological conditions across varied environmental conditions for an ensemble of 1D models of Arctic permafrost. The thickness of organic ...


9. Production of Carbon Dioxide from Fossil Fuel Burning by Fuel Type, 1860-1982, CDIAC NDP-006 [CDIAC_NDP6]
CO2 emission calculations for the years 1860-1950 were obtained using fuel production data presented in the proceedings of the U. N. Conference on Peaceful Uses of Atomic Energy (1956). Calculations ...


10. Snow Depth and Density at End-of-Winter for NGEE Areas A, B, C and D, Barrow, Alaska, 2012-2014 [Snow_Depth_Density_Winter_NGEE_A_B_C_D_Barrow_ AK_2012_2014]
End-of-winter snow depth and average snow density from area A, B, C and D, which include 1000's of point depth measurement located between ~20 and ~50 cm apart. Dataset DOI: http://dx.doi.org/10.5440/1236472 ...


11. Time-lapse photography at BEO, Barrow, Alaska, 2014 [Time_lapse_photo_BEO_Barrow_AK_2014]
Time-lapse photography for June-October in 2014 was obtained at six locations within BEO. (Site A, Site D, Methane Shed, Power Pole #19/20/21) PURPOSE: Monitoring of seasonal change in snow ...


12. Walker Branch Watershed, AmeriFlux CO2, Water Vapor, and Energy Exchange Oak Ridge National Laboratory, TN 1995-1998 [AMERIFLUX_WBW_CDIAC]
The Walker Branch Watershed (WBW), Tennessee is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and the atmosphere. ...


13. Historical CO2 Records from the Law Dome DE08, DE08-2, and DSS Ice cores, CDIAC/Trends and WDC/Paleoclimatology [CDIAC_TRENDS_CO2_LAWDOME]
The CO2 records presented here are derived from three ice cores obtained at Law Dome, East Antarctica from 1987 to 1993. The Law Dom site satisfies many of the desirable characteristics of an ideal ...


14. Ground Water Levels for NGEE Areas A, B, C and D, Barrow, Alaska, 2012-2014 [Ground_Water_Levels_NGEE_ABCDE_B_AK_2012_2014]
Ice wedge polygonal tundra water levels were measured at a total of 45 locations representing polygon centers and troughs during three summers. Early season water levels, which were still affected ...


15. Geospatial Watershed Data for the NGEE Arctic Project, Alaska [Geospatial_Watershed_Data_NGEE_Arctic]
This dataset includes geospatial data of watersheds for use in the NGEE Arctic project - HUC8, HUC10, HUC12. Includes shapefiles and KMZ files for all of Alaska and clipped for the Seward Peninsula.


16. Historic CH4 Records from Antarctic and Greenland Ice Cores, Antarctic Firn Data, and Archived Air Samples from Cape Grim, Tasmania in CDIAC/Trends Online [CDIAC_CH4_LAWDOME]
This data represents one thousand years of atmospheric methane concentrations. Methane concentrations was measured in air bubbles from 1008-1980 in Antarctic ice cores, and from 1075-1885 in Greenland ...


17. Inorganic Carbon Isotopes and Chemical Characterization of Watershed Drainages, Barrow, Alaska, 2013 [Inorganic_CarbonIso_Chem_Char_Watershed Drainage_Barrow_AK_2013]
Data include results from geochemical and isotopic analyses for samples collected in Barrow, Alaska during July and September 2013. Samples were soil pore waters from 17 drainages that could be interlake ...


18. Airborne Imagery Collections Barrow 2013 [Airborne_Imagery_Collections_Barrow_2013]
The data here are orthomosaics, digital surface models (DSMs), and individual frames captured during low altitude airborne flights in 2013 at the Barrow Environmental Observatory. The orthomosaics, ...


19. Low-altitude remote sensing dataset of DEM and RGB mosaic for AB transect and Site0-L2 corridor, Barrow, Alaska [Low_altitude_remote_sensing_dataset_of_DEM_and_RGB_mosaic]
Low-altitude remote sensing dataset including DEM and RGB mosaic for AB transect and Site0-L2 corridor. Processing flowchart for each corridor: Ground control points (GCP, 20.3 cm square white targets, ...


20. Nitrogen concentration and isotope dataset for environmental samples from 2012 and 2013, Barrow, Alaska [Nitrogen_concentration_and_isotope_dataset]
Dataset includes nitrate concentrations for polygonal active layer samples, snowmelt; ammonium concentrations for active layer samples; nitrate isotopes for active layer samples, snowmelt, permafrost; ...


21. CO2 and CH4 Surface Flux, Soil Profile Concentrations, and Stable Isotope Composition, Barrow, Alaska, 2012-2013 [Soil_profiles_of_trace_gas_concentrations_and_stable_isotopes]
In August-October 2012 and June-October 2013, co-located measurements were made of surface CH4 and CO2 flux, soil pore space concentrations and stable isotope compositions of CH4 and CO2, and subsurface ...


22. Characterizing rooting depth distribution and nitrogen acquisition using 15N tracer, Barrow, Alaska, 2013-2015 [Characterizing_rooting_depth]
Permafrost thaw and degradation may lead to altered thickness of the active soil layer and a changing distribution of plant-available nutrients throughout the soil, but little is known about the nutrient ...


23. Active Layer Soil Carbon and Nutrient Mineralization, Barrow, Alaska, 2012 [Active_Layer_Soil_Carbon_Nutrient_Mineralization_Barrow_Alaska_2012]
This data set consists of bulk soil characteristics as well as carbon and nutrient mineralization rates of active layer soils manually collected from the field in August, 2012, frozen, and then thawed ...


24. Geochemical and isotopic water results, Barrow, Alaska, 2012-2013 [Geochemical_isotopic_water_results_Barrow_Alaska_2012-2013]
Data include a large suite of analytes (geochemical and isotopic) for samples collected in Barrow, Alaska (2012-2013). Sample types are indicated, and include soil pore waters, drainage waters, snowmelt, ...


25. Snow, End-of-Winter, Intensive Site 1, Area A, B, C and D, 2012 to 2014, Barrow, Alaska [Snow_End-of-Winter_Intensive_Site_1_Area_A_B_C_D_2012_2014_Barrow_Alaska]
End-of-winter snow depth and average snow density from area A, B, C and D, which include 1000's of point depth measurement located between ~20 and ~50 cm apart. Dataset DOI: http://dx.doi.org/10.5440/1236472.


26. Soil temperature, soil moisture and thaw depth, Barrow, Alaska, Ver. 1 [Soil_temperature_soil_moisture_thaw_depth_Barrow_Alaska_Ver_1]
This dataset consists of field measurements of soil properties made during 2012 and 2013 in areas A to D of Intensive Site 1 at the Next-Generation Ecosystem Experiments (NGEE) Arctic site near Barrow, ...


27. Active Layer and Moisture Measurements for Intensive Site 0 and 1, Barrow, Alaska [Active_Layer_Moisture_Measurements_Intensive_Site_0_1_Barrow_Alaska]
These are measurements of Active Layer Thickness collected along several lines beginning in September, 2011 to the present. The data were collected at several time periods along the Site0 L2 Line, ...


28. Hydraulic Conductivity Measurements Barrow 2014 [Hydraulic_Conductivity_Measurements_Barrow_2014]
Six individual ice cores were collected from Barrow Environmental Observatory in Barrow, Alaska, in May of 2013 as part of the Next Generation Ecosystem Experiment (NGEE). Each core was drilled from ...


29. Plant Physiology Data, Barrow, Alaska, 2013 [Plant_Physiology_Data_Barrow_Alaska_2013]
Survey measurements of photosynthetic rate and stomatal conductance together with carbon dioxide concentration, temperature, PAR, and relative humidity for 8 species on the BEO. http://dx.doi.org/10.5440/1167160. ...


30. Surface Meteorology, Barrow, Alaska, Area A, B, C and D, Ongoing from 2012 [Surface_Meteorology_Barrow_Alaska_Area_A_B_C_D_Ongoing_2012]
Meteorological data are being collected at several points within four intensive study areas in Barrow. These data assist in the calculation of the energy balance at the land surface and are also useful ...


31. Water Levels, Barrow, Alaska, NGEE Areas A, B, C and D for 2012, 2013, 2014, Final Version, 20150324 [Water_Levels_Barrow_Alaska_NGEE_Areas_A_B_C_D_2012_2013_2014_Final_20150324]
Ice wedge polygonal tundra water levels were measured at a total of 45 locations representing polygon centers and troughs during three summers. Early season water levels, which were still affected ...


32. Representativeness-based Sampling Network Design for the State of Alaska [Representativeness-based_Sampling_Network_Design_State_Alaska]
Resource and logistical constraints limit the frequency and extent of environmental observations, particularly in the Arctic, necessitating the development of a systematic sampling strategy to maximize ...


33. Soil Moisture Characteristic Curves, Barrow, Alaska, 2016 [Soil_Moisture_Characteristic_Curves_Barrow_Alaska_2016]
This dataset includes soil moisture characteristic curves for soil and permafrost collected in frozen cores from the Barrow Environmental Observatory.


34. Soil Organic Carbon Degradation, Barrow, 2013-2014 [Soil_Organic_Carbon_Degradation_Barrow_2013-2014]
This dataset provides information about soil organic carbon decomposition in Barrow soil incubation studies. The soil cores were collected from low-center polygon (Area A) and were incubated in the ...


35. Plant Root Characteristics and Dynamics in Arctic Tundra Ecosystems, 1960-2012 [Plant_Root_Characteristics_Dynamics_Arctic_Tundra_Ecosystems_1960-2012]
Plant roots play a critical role in ecosystem function in arctic tundra, but root dynamics in these ecosystems are poorly understood. To address this knowledge gap, we synthesized available literature ...


36. Intensive Site 1 Plot Pictures, Barrow, July, 2012 [Intensive_Site_1_Plot_Pictures_Barrow_July_2012]
The NGEE Arctic Intensive Site 1 in Barrow, Alaska includes four (4) areas that represent the micro-topographic features of the Barrow Environmental Observatory (BEO). These areas are designated Area ...


37. Intensive Site 1 Vegetation Plot Photos 2012 [Intensive_Site_1_Vegetation_Plot_Photos_2012]
Photographs were taken on 24th June, 15th July and 17th August 2012, using a Canon Ixus 70 7.1 megapixel digital camera. Photographs were taken during the recording of weekly soil moisture, temperature ...


38. Meteorological Forcing at Barrow AK 1985-2013 [Meteorological_Forcing_Barrow_AK_1985-2013]
Gap-filled half-hourly meteorological driving data for CLM from 1985 - 2013. The original datasets are from the Barrow, AK station of NOAA/Earth System Laboratory, Global Monitoring Division (http://www.esrl.noaa.gov/gmd/obop/brw/), ...


39. NGEE Instrumentation and Sample Site Coordinates, Barrow, Alaska USA [NGEE_Instrumentation_Sample_Site_Coordinates_Barrow_Alaska_USA]
This text (csv) file contains the location coordinates for all NGEE-Arctic related instrumentation and sampling sites near Barrow, Alaska. Coordinates are provided in both UTM northing (meters) and ...


40. Plant Available Nutrients, Barrow, Alaska, Ver. 1 [Plant_Available_Nutrients_Barrow_Alaska_Ver1]
This dataset reports measurements of plant available nutrients made using Plant Root Simulator (PRS) probes (Western Ag Innovations Inc.) during 2012 and 2013 at the Next-Generation Ecosystem Experiments ...


41. Plant community composition and vegetation height, Barrow, Alaska, Ver. 1 [Plant_community_composition_vegetation_height_Barrow_Alaska_Ver1]
This dataset contains i) the results of field surveys of plant community composition and vegetation height made between 17th and 29th July 2012 in 48, 1 x 1 m plots located in areas A-D of Intensive ...


42. Soil Physicochemical Characteristics from Ice Wedge Polygons, Barrow, Alaska, Ver. 1 [Soil_Physicochemical_Characteristics_Ice_Wedge_Polygons_Barrow_Alaska_Ver1]
This dataset provides details about soil cores (active layer and permafrost) collected from ice-wedge polygons during field expeditions to Barrow Environmental Observatory, Alaska in April, 2012 and ...


43. Ground Penetrating Radar, Barrow, Alaska [Ground_Penetrating_Radar_Barrow_Alaska]
This is 500 MHz Ground Penetrating Radar collected along the AB Line in Intensive Site 1 beginning in October 2012 and collected along L2 in Intensive Site 0 beginning in September 2011. Both continue ...


44. CT Scans of Cores Metadata, Barrow, Alaska 2015 [CT_Scans_Cores_Metadata_Barrow_Alaska_2015]
Individual ice cores were collected from Barrow Environmental Observatory in Barrow, Alaska, throughout 2013 and 2014. Cores were drilled along different transects to sample polygonal features (i.e. ...


45. Compiled Multi-Lab Geochemistry Synoptic Survey (LANL, ORNL, LBNL), Barrow, Alaska; 2012 [Compiled_Multi-Lab_Geochemistry_Synoptic_Survey_Barrow_Alaska_2012]
Polygonal ground is a signature characteristic of the Arctic, and permafrost thaw can potentially generate substantial feedbacks to Arctic ecosystems and climate. This study describes the first comprehensive ...


46. Continuous Snow Depth, Intensive Site 1, Barrow, Alaska [Continuous_Snow_Depth_Intensive_Site_1_Barrow_Alaska]
Continuous Snow depth data are being collected at several points within four intensive study areas in Barrow. These data assist in the calculation of the energy balance at the land surface and are ...


47. Digital Elevation Model, 0.25 m, Barrow Environmental Observatory, Alaska, 2013 [Digital_Elevation_Model_0.25m_Barrow_Environmental_Observatory_Alaska_2013]
This 0.25m horizontal resolution digital elevation model, DEM, was developed from Airborne Laser Altimetry flown by Aerometric Inc, now known as Quantum Spatial, Inc. on 12 July, 2013. One Mission ...


48. Digital Elevation Model, 0.5 m, Barrow Environmental Observatory, Alaska, 2012 [Digital_Elevation_Model_0.5m_Barrow_Environmental_Observatory_Alaska_2012]
This 0.5m horizontal resolution digital elevation model, DEM, was developed from Airborne Laser Altimetry flown by Aerometric Inc, now know as Quantum Spatial, Inc. on 12 August, 2012. One Mission ...


49. Eddy-Covariance and auxiliary measurements, NGEE-Barrow, 2012-2013 [Eddy-Covariance_auxiliary_measurements_NGEE-Barrow_2012-2013]
The EC tower is operated as part of the Next Generation Ecosystem Experiment-Arctic (NGEE) at Barrow, Alaska. The tower is collecting flux data from the beginning of the thaw season, early June, and ...


50. NGEE Arctic Webcam Photographs, Barrow Environmental Observatory, Barrow, Alaska [NGEE_Arctic_Webcam_Photographs_Barrow_Environmental_Observatory_Barrow_Alaska]
The NGEE-Arctic Webcam (PTZ Camera) captures two views of seasonal transitions from its generally south-facing position on a tower located at the Barrow Environmental Observatory near Barrow, Alaska. ...


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