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1. Herbicide efficacy and selectivity - Poa annua and three native grasses from Macquarie Island [AAS_4158_HERBICIDE]
Poa annua is an invasive weed of sub-Antarctic Islands, impacting on native biodiversity. Given high conservation values and threats from disturbance and climate change, the development of targeted ...


2. Collaborative Research: Replicate Coring at WAIS Divide to Obtain Additional Samples at Events of High Scientific Interest [severinghaus_1043421]
This award supports a project to obtain samples of ice in selected intervals for replication and verification of the validity and spatial representativeness of key results in the WAIS Divide ice core, ...


3. Collaborative Research: The Taylor Glacier, Antarctica, Horizontal Ice Core: Exploring changes in the Natural Methane Budget in a Warming World and Expanding the Paleo-archive [petrenko_1245659]
This award supports a project to use the Taylor Glacier, Antarctica, ablation zone to collect ice samples for a range of paleoenvironmental studies. A record of carbon-14 of atmospheric methane (14CH4) ...


4. Fugitive Gases (Helium, Neon, and Oxygen) in the WAIS Divide Ice Core as Tracers of Basal Processes and Past Biospheric Carbon Storage [severinghaus_1143619]
This award supports a project to extend the study of gases in ice cores to those gases whose small molecular diameters cause them to escape rapidly from ice samples (the so-called "fugitive gases"). ...


5. Methane isotope variations covering the Holocene from the WAIS Divide core [NSIDC-0649]
This award supports a project to better predict how natural CH4 emissions will respond to and force future climate change through a detailed study of the global biogeochemical cycles that control ...


6. Macquarie Island Bryopyte Traits [AAS_4192_BRYOPHYTES]
Paradoxically, climate warming increases plant injury and death from freezing and heat-induced water stress. Survival depends on a functional water transport system. However, features that enhance ...


7. Sensitivity and response of Antarctic moss and terrestrial algae to fuel contaminants [AAS_4100_Moss_Contaminants]
See the download file for the full, unedited summary - this version has been slightly modified in order to display correctly. Sample collection and test preparation This metadata record contains ...


8. Toxicity of metals to Antarctic marine microalgae [AAS_4100_Microalgae_Toxicity]
This metadata record contains the results from 11 bioassays conducted with 2 species of Antarctic marine microalgae. Seven tests were conducted with Phaeocystis antarctica (Prymnesiophyceae), assessing ...


9. Toxicity of single metals and metal mixtures to Antarctic Marine Copepods [AAS_4100_Toxicity_Copepods]
This metadata record contains the results of two bioassays testing the response of Antarctic marine copepods to both individual and combined metals via 14 day toxicity tests. The tests were conducted ...


10. Population genetics dataset for Antarctic krill (Euphausia superba): Restriction site-associated DNA sequencing (RAD-seq) and mtDNA sequencing [AAS_4015_Population_Genetics]
This restriction site associated DNA sequencing (RAD-seq) dataset for Antarctic krill (Euphausia superba) includes raw sequence data and summaries for 148 krill from 5 Southern Ocean sites. A detailed ...


11. Biodegradation of Petroleum in Soils and Beach Sands at Davis Station, Antarctica [ASAC_127]
Metadata record for data from ASAC Project 127 See the link below for public details on this project. From the abstract of the referenced paper: The effect of nutrient and water enhancement on the ...


12. Electron Microscope Database [em_database]
This database contains information pertaining to the negatives taken by the laboratory since its inception. Both scanning and transmission electron micrographs are catalogued within this database. ...


13. Pressure-Temperature-Time Path of Granulites From the North PCMs - An Integrated Metamorphic Structural Geochronological Study [ASAC_123]
Metadata record for data from ASAC Project 123 Pressure-Temperature-Time Path of Granulites From the Northern Prince Charles Mountains - An Integrated Metamorphic Structural Geochronological Study ...


14. Flow Velocity and Sediment Data Collected During 1990 and 1991 at National Canyon, Colorado River, Arizona [USGS_DS_2007_246]
During 1990 and 1991, a series of research flows were released from Glen Canyon Dam. Data collected at the streamflow-gaging station on the Colorado River above National Canyon near Supai from that ...


15. SAFARI 2000 SOIL PROPERTIES, MOISTURE, AND TEMP., SKUKUZA AND MONGU, 1999-2001 [s2k_mongu_soil_prop]
Soil moisture and temperature profile sensors were deployed at flux tower sites in Mongu, Zambia and Skukuza, South Africa. In addition, thermal infrared sensors were deployed to monitor surface temperature ...


16. Soil invertebrates of the Windmill Island region [AAS_4100_Soil_Invertebrates]
Samples were collected from: Clark Peninsula (ASPA 136) Bailey Peninsula (ASPA 135) Bailey Peninsula near Casey Station Robinson's Ridge Specific GPS coordinates are given in the download file. ...


17. Prevalence of viruses and parasites in populations of house mice on Macquarie Island [ASAC_1183]
Little information exists on risks of disease introduced into environments from exotic species. House mice remain prevalent on Macquarie Island, and may interfere with the subantarctic community there ...


18. C-axis Fabric from Physical Properties Samples of the WAIS Divide Ice Core [NSIDC-0605]
This data set contains c-axis fabric measurements and grain area from the physical properties samples taken from the main West Antarctic Ice Sheet (WAIS) Divide ice core, WDC06A , Antarctica.


19. Diet results from Adelie penguins at Bechervaise Island and Whitney Point, 2012-2013 [AAS_4088_Adelie_Diet]
These spreadsheets provide the proportions of prey DNA sequences in the scats of Adelie penguins at Bechervaise Island and Whitney Point in East Antarctica. Samples were collected during two stages ...


20. Embolism repair in two species of cushion plants on Macquarie Island [AAS_4192_images]
This data set deals with embolism repair in two species of cushion plants (Colobanthus muscoides and Azorella macquariensis) which grow on Macquarie island and rely on protoxylem for water transport. ...


21. Remediation of petroleum contaminants in the Antarctic and subantarctic - pyrosequencing genomic DNA extracts from soil [ASAC_1163_pyrosequencing]
This dataset contains information obtained by pyrosequencing genomic DNA extracts from soil with PCR primers targeting the bacterial 16S gene (27F/519R) and fungal ITS region (ITS1/ITS4-B). The data ...


22. COLLABORATIVE RESEARCH; IPY: Ocean-Ice Interaction in the Amundsen Sea sector of West Antarctica [Bindschadler_0732906]
Collaborative With: McPhee 0732804, Holland 0732869, Truffer 0732730, Stanton 0732926, Anandakrishnan 0732844 Title: Collaborative Research: IPY: Ocean-Ice Interaction in the Amundsen Sea Sector ...


23. Operational Taxonomic Unit (OTU) Microbial Ecotoxicology data from Macquarie Island and Casey Station: TPH, Chemistry and OTU Abundance data [ASAC_1163_Ecotox]
This dataset contains the following information with regards to the Ecotox Project: General location and sampling date metadata. Soil characteristic analysis such as grain size, etc. Full breakdown ...


24. Toxicity Characteristic Leaching Procedure data for metal contaminated soil treated with silica treatments or an orthophosphate-silica mix treatment. [AAS_4029_Toxicity_Leaching]
TCLP data was collected in 2013 as part of a pilot scale batch study which assessed the potential of silica treatments and an orthophosphate-silica mix treatment for the remediation of metal contaminated ...


25. Project 3054 Season 1 Hydrocarbon ecotoxicological experiments marine invertebrates [AAS_3054_09_10_ecotox]
This dataset contains the results of bioassays conducted to characterise the response of Antarctic nearshore marine invertebrates to hydrocarbon contaminants in fuels commonly used in Antarctica. ...


26. WAIS Divide Ice Core Discrete CH4 (80-3403m) [NSIDC-0631]
A project to develop a 50 yr resolution methane data set that will play a pivotal role in developing the WAIS Divide timescale as well as providing a common stratigraphic framework for comparing climate ...


27. University of Arizona Tree Ring Data [NCAR_DS950.0]
One hundred tree ring chronologies were provided by the University of Arizona. The individual chronology lengths vary widely, with the longest one extending from year 1 to ...


28. Spectral and Broadband Albedo of Antarctic Sea-ice Types [warren_ANT1141275]
The albedo, or reflection coefficient, is a measure of the diffuse reflectivity of an irradiated surface. With the sunlit atmosphere as a light source, and sea-ice as a diffuse reflecting surface, ...


29. Contaminant profiles of air and soil around Casey station, Antarctica; Discerning local and distant contaminant sources [ASAC_3115]
The primary input of Persistent Organic Pollutant (POP) contamination to the Antarctic is expected to be via Long Range Atmospheric Transport (LRAT) from emissions in neighbouring Southern hemisphere ...


30. Sub-Antarctic zone mooring study of interannual variability in particulate carbon export - Phytoplankton Data [ASAC_1156_Phytoplankton]
Papers arising from phytoplankton experiments associated with the SAZ (Subantarctic Zone) project. This work was complete as part of ASAC (AAS) project 1156. Taken from the abstracts of the referenced ...


31. 17O Excess from WAIS Divide, 0 to 25 ka BP [NSIDC-0596]
This data set contains the VSMOW-SLAP d17O, d18O, and 17O-excess data from the WAIS Divide Ice Core Project, Siple Dome and Taylor Dome, along with the published and VSMOW-SLAP normalized d17O, d18O, ...


32. Measurements of Trapped Air from Mullins Valley, Dry Valleys, Antarctica [NSIDC-0597]
These data describe the analyses of the elemental and isotopic composition of O2, N2, and Ar and total air content made on the trapped air from three shallow ice cores (<34m depth) collected during ...


33. Effects of Elevated UV Irradiation and CO2 Levels on Antarctic and Subantarctic Plants, Including Implications for Ecosystem Management [ASAC_115]
Metadata record for data from ASAC Project 115 See the link below for public details on this project. From the abstract of the referenced paper: Umbilicaria decussata, Usnea sphacelata, Ceratodon ...


34. Collaborative Research: Byrd Glacier Flow Dynamics [Byrd_flow_dynamics]
This collaborative award includes Investigators associated with NSF PLR awards ANT-0944597 (Stearns) and ANT-0944087 (Hamilton). This is a project to understand the flow dynamics of large, fast-moving ...


35. U.S. Army Panama Meteorological and Biological Data, 1965-1970 [NCAR_DS850.0]
Meteorological, soil, biological, and atmospheric chemical measurements were made by the U.S. Army under a project titled "Environmental Data Base for Regional Studies in the Humid Tropics". ...


36. BOREAS TE-09 NSA LEAF CHLOROPHYLL DENSITY DATA [BOREAS_TE09CD]
The Boreal Ecosystem-Atmosphere Study (BOREAS) Terrestrial Ecology Team #9 (TE-09) provided several data sets containing information about the state and response of boreal forest tree species. This ...


37. BOREAS TE-09 PAR & LEAF NITROGEN DATA FOR NSA, R1 [BOREAS_TE09PND]
The BOREAS TE-09 team collected several data sets related to chemical and photosynthetic properties of leaves in boreal forest tree species. This data set describes the relationship between Photosynthetically ...


38. BOREAS TE-09 PHOTOSYNTHETIC CAPACITY AND FOLIAGE NITROGEN DATA [BOREAS_TE09NPD]
The BOREAS TE-09 team collected several data sets related to chemical and photosynthetic properties of leaves in boreal forest tree species. This data set describes the spatial and temporal relationship ...


39. BOREAS TE-09 PHOTOSYNTHETIC RESPONSE DATA [BOREAS_TE09PRD]
The BOREAS TE-09 team collected several data sets related to chemical and photosynthetic properties of leaves. This data set describes (1) the response of leaf and shoot-level photosynthesis to ambient ...


40. BOREAS TE-10 LEAF CHEMISTRY DATA [BOREAS_TE10LFCH]
The BOREAS TE-10 team collected several data sets in support of its efforts to characterize and interpret information on the reflectance, transmittance, gas exchange, chlorophyll content, carbon content, ...


41. BOREAS TE-10 PHOTOSYNTHETIC RESPONSE DATA [BOREAS_TE10PRD]
The BOREAS TE-10 team collected several data sets in support of its efforts to characterize and interpret information on the gas exchange, reflectance, transmittance, chlorophyll content, carbon content, ...


42. BOREAS TE-12 SSA SHOOT GEOMETRY DATA [BOREAS_TE12SGD]
The BOREAS TE-12 team collected shoot geometry data in 1993 and 1994 from Aspen, Jack Pine, and Black Spruce trees. Collections were made at the Southern Study Area FEN, YJP, OJP, OA, YA, MIX and ...


43. BOREAS TE-20 NSA SOIL LAB DATA [BOREAS_TE20SLDN]
This data set contains the major soil properties of soil samples collected at the tower flux sites in the NSA. The soil samples were collected by Hugo Veldhuis and his staff from the University of ...


44. BOREAS TF-04 CO2 AND CH4 CHAMBER FLUX DATA FROM THE SSA [BOREAS_TF4SSAFX]
The BOREAS TF-04 team measured fluxes of carbon dioxide (CO2) and methane (CH4) across the soil-air interface in four ages of jack pine forest at the Southern Study Area of the Boreal Ecosystem Atmosphere ...


45. BOREAS TF-04 CO2 AND CH4 SOIL PROFILE DATA FROM THE SSA [BOREAS_TF4SSASP]
The BOREAS TF-04 team measured distributions of carbon dioxide (CO2) and methane (CH4) concentrations for the upper 5 meters of soil and unsaturated zone at the mature stand, upper 6 m at the 20-year ...


46. BOREAS TF-11 CO2 AND CH4 CONCENTRATION DATA FROM THE SSA-FEN [BOREAS_TF11CONC]
The BOREAS TF-11 team collected several data sets in their efforts to fully describe the flux and site characteristics at the SSA-Fen site. This data set contains temperature, pH, and concentration ...


47. BOREAS TF-11 CO2 AND CH4 FLUX DATA FROM THE SSA-FEN [BOREAS_TF11FLUX]
The BOREAS TF-11 team collected several data sets in their efforts to fully describe the flux and site characteristics at the SSA-Fen site. This data set contains fluxes of methane and carbon dioxide ...


48. BOREAS TF-11 DECOMPOSITION DATA OVER THE SSA-FEN [BOREAS_TF11DCOM]
The BOREAS TF-11 team collected several data sets in their efforts to fully describe the flux and site characteristics at the SSA-Fen site. This data set contains decomposition rates of a standard ...


49. BOREAS TF-11 SSA-FEN TOWER FLUX AND METEOROLOGICAL DATA [BOREAS_TF11TFX]
The BOREAS TF-11 team collected energy, carbon dioxide, and methane flux data at the BOREAS SSA-Fen site during the growing seasons of 1994 and 1995.


50. BOREAS TGB-01/TGB-03 CH4 CHAMBER FLUX DATA: NSA FEN [BOREAS_TGBFENFX]
The BOREAS TGB-03 team collected methane (CH4) chamber flux measurements at the NSA fen site during May-September 1994 and June-October 1996. Gas samples were extracted approximately every 7 days ...


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