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1. Primary Production in the Sub-Antarctic and Polar Frontal Zones; SAZ-Sense Voyage, 2007 [ASAC_40_SAZ-Sense_Primary_Production]
The Sub-Antarctic Zone (SAZ) in the Southern Ocean provides a significant sink for atmospheric CO2 and quantification of this sink is therefore important in models of climate change. During the SAZ-Sense ...


2. SIPEX data iron site - Aurora Australis voyage Sept-Oct 2007 [ASAC_3026_SIPEX]   PARENT DIF
This work was completed as part of the SIPEX - Sea Ice Physics and Ecosystem eXperiment - voyage. Adapted from the SPIEX website: During SIPEX we investigated the biogeochemistry of iron (Fe), including ...


3. The role of iron as a micro-nutrient to the Antarctic sea-ice zone algal community - Casey Data [ASAC_3026_Casey]   PARENT DIF
Public Description of the Project This project will assess the importance of the trace micro-nutrient element iron to Antarctic sea-ice algal communities during the International Polar Year (2007-2009). ...


4. Iron(II) measurements on water column samples collected on the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_Iron]   PARENT DIF
Water samples for dissolved trace metal measurements were collected from the surface (15m) down to the 1000m using an autonomous intelligent rosette system (General Ocanics, USA) specially adapted ...


5. Subantarctic zone oceanography - SAZ Project 1997-1998 - Iron Related Data [ASAC_2256_Iron]   PARENT DIF
Oceanographic processes in the subantarctic region contribute crucially to the physical and biogeochemical aspects of the global climate system. To explore and quantify these contributions, the Antarctic ...


6. Dissolved Iron (DFe) Concentrations and Total Iron Concentrations of Profile and Surface Stations in the Southern Ocean [Dissolved_Fe_Antarctic_Laan_IPY35_NL_NBP0901area]
Dissolved iron (DFe) concentrations of 40 profile stations and 7 surface stations were measured directly on board by an automated Flow Injection Analysis (FIA) after a modified method of De Jong et ...


7. 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 ...


8. The role of iron as a micro-nutrient to the Antarctic sea-ice zone algal community [ASAC_3026]   CHILD DIFs
Metadata record for data from AAS (ASAC) project 3026. Public This project will assess the importance of the trace micro-nutrient element iron to Antarctic sea-ice algal communities during the International ...


9. Iron, manganese and aluminium in East Antarctic snow and ice cores [trace_metals]
Iron, manganese and aluminium concentrations have been determined in modern and ancient East Antarctic snow from sea-ice and continental sites. Modern snow samples were collected from sites in Prydz ...


10. Arctic Ocean Dissolved Iron (Fe) Data from Flow Injection Analysis [Dissolved_Fe_Arctic_Klunder_IPY35_NL]
Dissolved iron was measured directly on board by Flow Injection Analysis (FIA) after De Jong et al. 1998 in a cleanroom container. In a continuous FIA system the acidified pH 1.8, filtered (0.2µm) ...


11. Southern Ocean Dissolved Iron (Fe) Data from Flow Injection Analysis [Dissolved_Fe_Antarctic_Klunder_IPY35_NL]
Dissolved iron was measured directly on board by Flow Injection Analysis (FIA) after De Jong et al. 1998 in a cleanroom container. In a continuous FIA system the acidified pH 1.8, filtered (0.2µm) ...


12. Exopolysaccharides from Antarctic bacteria [ASAC_2348]
Exopolysaccharide (EPS) is complex sugar made by many microbes in the Antarctic marine environment. This project seeks to understand the ecological role of microbial EPS in the Southern Ocean, where ...


13. Modelling investigations of the shoaling of iron-rich upper circumpolar deep water and its role in the regulation of primary production at 60-65S [ASAC_2784]
Metadata record for data from ASAC Project 2784 See the link below for public details on this project. This project utilised an existing 55 year model reanalysis (SODA) - so no new models were developed. ...


14. An assessment of variability in the influx of cosmic dust during the Holocene and the potential effect on iron concentrations in the Southern Ocean. [AAS_3132]
Metadata record for data from AAS (ASAC) project 3132. Public This research will determine variability in the influx and mineralogy of cosmic dust to the Southern Ocean during the Holocene from ...


15. Soft sediment assemblages at Casey Station: Spatial variation and human impacts. (core samples: Oct-Dec 1997) [ASAC_2201_Casey_benthic_survey2]
A survey of macrobenthic assemblages in soft-sediments was done at Casey Station, East Antarctica. Samples were taken by divers using hand-held corers (core size - 10 cm diameter by 10 cm deep). The ...


16. Iron content of Southern Ocean phytoplankton: implications for carbon transfer to the deep sea [ASAC_2297]
Metadata record for data from ASAC Project 2297: Iron content of Southern Ocean phytoplankton: implications for carbon transfer to the deep sea. Data on size-fractionated distribution of suspended ...


17. Determination of natural Fe organic complexes in the surface waters of the Amundsen Sea [Organic_Fe_speciation_Antarctic_Gerringa_IPY35_NL_NBP0901area]
The distribution and biological availability of Fe is strongly controlled by its physical-chemical speciation within seawater, where colloids and Fe-organic complexes are dominant factors. In order ...


18. Organic Fe Speciation in the Southern Ocean [Organic_Fe_speciation_Antarctic_Gerringa_IPY35_NL]
Objectives The distribution and biological availability of Fe is strongly controlled by its physical-chemical speciation within seawater, ...


19. Role of micronutrients in the sea ice microbial ecosystem [ASAC_2299]
The productivity of Antarctic waters may be controlled by the amount of iron. Experiments have shown that this is probably the case for phytoplankton but as yet we do not know if iron limits the growth ...


20. NOAA National Status and Trends Biological Effects of Toxic Contamination in Sediments from Long Island Sound and Environs [NOS_biologicaleffects]
Long Island Sound is one of several coastal regions selected for study under the Intensive Bioeffects monitoring surveys of NOAA's National Studies and Trends (NS&T) Program ...


21. Dissolved and Particulate Trace Metals Measured during the JGOFS Equatorial Pacific Process Study [JGOFS_EQPAC_TRACE_METALS]
The Equatorial Pacific Process Study (EQPAC) was conducted along 140 deg W longitude during 1992. Four cruises took place: February 3 - March 9, March 19 - April ...


22. Carbon, pigment, and fluorescent data on (iron-enriched) natural plankton communities [NL_ANTARCTIC_FE_PLANKTON]
On a cruise with the RV Polarstern (March-May 1999), natural phytoplankton communities were incubated to find out if the microalgae were able to acclimate to the variable light ...


23. 0.5 hour 1 M HCl extraction data for the Windmill Islands marine sediments [ASAC_2201_HCL_0.5]
These results are for the 0.5 hour extraction of HCl. See also the metadata records for the 4 hour extraction of HCl, and the time trial data for 1 M HCl extractions. A regional survey of potential ...


24. 4 hour 1 M HCl extraction data for the Windmill Islands marine sediments [ASAC_2201_HCL_4]
These results are for the 4 hour extraction of HCl. See also the metadata records for the 0.5 hour extraction of HCl, and the time trial data for 1 M HCl extractions. A regional survey of potential ...


25. Time Trial 1 M HCl extraction data for the Windmill Islands marine sediments [ASAC_2201_HCL_TT]
These results are for the time trial extraction of HCl. See also the metadata records for the 0.5 and 4 hour extractions of HCl. A regional survey of potential contaminants in marine or estuarine ...


26. NERC North Sea Project Data Set (1988-1990) [BODC_NERC_NorthSeaProj]   CHILD DIFs
The North Sea Project evolved from a review by the Natural Environment Research Council (NERC) of shelf seas research, which identified the need for a concerted multidisciplinary study of circulation, ...


27. Petitcodiac River Keepers [gomc_348]
The Petitcodiac River, which flows into Shepody Bay, drains a 3,000 km2 watershed area situated at the far reaches of the Inner Bay of Fundy. It is the source of life of the most important ecosystem ...


28. Growth and Chemical Responses to CO2 Enrichment - Virginia Pine (Pinus Virginiana Mill.), CDIAC NDP-009 [CDIAC_NDP9]
Growth and chemical responses of Virginia pine grown in open-top growth chambers at elevated CO2 concentrations (+0, +75, +150, +300, +600 ppmv) were evaluated over a four-month period. The seedlings ...


29. Toxicity and Bioavailability of Metals in the Missouri River adjacent to a Lead Refinery [cerc_toxbiomoriver]
This study is an evaluation of the potential environmental impacts of contaminated groundwater from the ASARCO metals refining facility adjacent to the Missouri River in Omaha, Nebraska. Surface ...


30. Long-Term Ecological Research (LTER)/HBR009: Trace Metals in ppt and Streamwater at the Hubbard Brook Experimental Forest [LTER_HBR009]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF) LTER/HBR009: Precipitation and streamwater samples are collected once a month (or twice a month in summer) and ...


31. NARSTO_SOS_SC_UPSTATE PM2.5 Composition Data [NARSTO_SOS_SC_UPSTATE_COMP]
The purpose of this study is to determine experimentally the concentration and chemical composition of fine particulate matter(PM2.5, particles with a diameter less than 2.5 um) in South Carolina. ...


32. Long Island Sound metals sample distribution locations, USGS OFR 00-304 [USGS_OFR_00304_LISGRABS]   PARENT DIF
The purpose of this datalayer is to disseminate a digital version of the map showing the locations of surficial samples used in the analysis of metal distributions in Long Island Sound. This GIS ...


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