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"2012-06-08", "description":"These datasets were collected to estimate the accumulation and ablation along a 50 km transect from the ice cap summit to its southern margin and to develop a method of downscaling coarse resolution global climate model temperature output over glacier surfaces. 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This study is part of a larger endeavour to quantify present levels and rates of accumulation of natural (pollen, dust) and anthropogenic (mjor ions, trace metals including mercury) pollutants in snow from the circumpolar Arctic. This research is a contribution to the International Polar Year project: Environmental Change in the High Arctic from Snow and Ice Cores.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=11162", "keywords": [ "Geographic locations -> Canadian High Arctic", "Geographic locations -> Circumpolar region", "Natural sciences -> Atmospheric composition", "Natural sciences -> Climate change", "Natural sciences -> Glaciers", "Natural sciences -> Pollen", "Natural sciences -> Snow Pit" ], "creator":{ "@type":"Person", "name":"Jiancheng Zheng", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(613) 992-9716", "email":"jzheng@nrcan.gc.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"1982-May-1/Not Defined", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"90.0 -115.0 67.17 94.83" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":17, "item":{ "@type":"Dataset", "name":"Total mercury in snow and ice samples from Canadian High Arctic ice caps and glaciers: A practical procedure and method for total Hg quantification at low pg g-1 level", "datePublished": "2014-08-27", "dateModified": "2014-08-28", "description":"In this study, we aim to develop a practical procedure and method to address sample integrity from field sampling and sample processing to instrumental analysis for total mercury (THg) studies in snow and ice. This includes field blanks, reproducibility, container type, accuracy and facility backgrounds as well as cross check of data quality using two different mercury analyzers. It also aims to carry out THg archive reconstruction from two sites of glaciers in the High Arctic region after successful development of the snow and ice sampling procedure and method.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=11973", "keywords": [ "Geographic locations -> Arctic", "Geographic locations -> Canada", "Geographic locations -> Greenland", "Health sciences and contaminants -> Mercury", "Natural sciences -> Ice", "Natural sciences -> Mercury fluxes", "Natural sciences -> Snow", "Transdisciplinary -> Archive" ], "creator":{ "@type":"Person", "name":"Jiancheng Zheng", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-(613) 992-9716", "email":"jzheng@nrcan.gc.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2007-Jan-1/2013-Dec-31", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"82.2 -100.0 75.0 -50.0" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":18, "item":{ "@type":"Dataset", "name":"Temporal trends of emerging pollutant deposition through ice core sampling on the Devon Ice Cap", "datePublished": "2016-03-16", "dateModified": "2020-04-13", "description":"The NCP Blueprint (2015-16) for environmental monitoring and research clearly states a need for air data for persistent pollutants and emerging compounds in order to assess temporal trends and transport pathways. Trends into the future can be effectively captured by continued or new atmospheric monitoring. However, past temporal trends will not be described by this monitoring program, but can be monitored through precipitation records from remote ice caps. The trends captured in ice caps can be compared to known production changes to better understand long-range transport pathways. Furthermore, analysis of these samples can inform our understanding of the presence of emerging contaminants and their loadings to the Arctic terrestrial and aquatic environment.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12656", "keywords": [ "Geographic locations -> Devon Island", "Geographic locations -> Nunavut", "Health sciences and contaminants -> Organophosphate flame retardants", "Health sciences and contaminants -> Perfluorinated alkylated substances", "Natural sciences -> 137-Cs", "Natural sciences -> Ice cores" ], "creator":{ "@type":"Person", "name":"Cora Young", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-4167362100 x22391", "email":"cora.young@mun.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2015-Apr-1/2015-May-31", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"76.0 -85.5 74.5 -79.5" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":19, "item":{ "@type":"Dataset", "name":"Refractory black carbon (rBC) concentrations in an ice core from Devon ice cap, Devon Island, Nunavut", "datePublished": "2018-08-12", "dateModified": "2018-08-27", "description":"A record of black carbon aerosol deposition, spanning the years 1735-1992, was developed from an ice core drilled on Devon ice cap, Nunavut, to be used as a proxy to document historical changes of radiative forcing by short-lived aerosols in the Canadian High Arctic.", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12952", "keywords": [ "Geographic locations -> Devon Island", "Natural sciences -> Climate change", "Natural sciences -> Climate history", "Natural sciences -> Ice cores", "Natural sciences -> Snow" ], "creator":{ "@type":"Person", "name":"Christian Zdanowicz", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+46 18 471 00 00", "email":"christian.zdanowicz@geo.uu.se" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"1999-Mar-28/1999-Apr-28", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"75.32 -81.64 75.32 -81.64" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } }, { "@type":"ListItem", "position":20, "item":{ "@type":"Dataset", "name":"Devon ice cap glacier velocity map", "datePublished": "2019-01-30", "dateModified": "2019-02-08", "description":"The purpose of this dataset was to determine the flow rates of the Devon Ice Cap, Nunavut, Canada during the International Polar Year (2007-2008) and compare the glacier velocities determined with those of previous studies in order to determine whether glacier velocities had changed significantly from the mid-1990s. This dataset was also combined with measured and modelled ice thicknesses at the termini of outlet glaciers in order to determine how much ice was lost via discharge to the ocean (i.e. iceberg production).", "url":"https://www.polardata.ca/pdcsearch/PDCSearch.jsp?doi_id=12990", "keywords": [ "Geographic locations -> Devon Island", "Natural sciences -> Geospatial data", "Natural sciences -> Glaciers", "Natural sciences -> Ice", "Natural sciences -> RADARSAT", "Natural sciences -> Remote sensing data" ], "creator":{ "@type":"Person", "name":"Wesley Van Wychen", "contactPoint":{ "@type":"ContactPoint", "contactType":"technical support", "telephone":"+1-1-519-888-4567 ext. 42689", "email":"wvanwychen@uwaterloo.ca" } }, "includedInDataCatalog":{ "@type":"DataCatalog", "name":"polardata.ca" }, "temporalCoverage":"2009-Mar-1/2009-Mar-29", "spatialCoverage":{ "@type":"Place", "geo":{ "@type":"GeoShape", "box":"75.866667 -85.533333 74.383333 -79.316667" } }, "license":"https://www.polardata.ca/pdcinput/public/termsofuse" } } ] }