Mapping_Livingstone2020.zip (8.24 MB)

Mapping of meltwater features and De Geer moraines in central Nunavut, Canada from the high-resolution (2 m) ArcticDEM

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posted on 15.05.2020 by Stephen Livingstone, Emma Lewington, Christopher Clark, Robert Storrar, Andrew Sole, Isabelle Mcmartin, Nico Dewald, Felix Ng
The dataset contains shapefiles of eskers, moraines, meltwater channels and meltwater corridors. Manual digitisation of eskers and other meltwater landforms (e.g. meltwater channels and subglacial meltwater corridors) was undertaken in ArcGIS 10.4 using hillshaded Digital Surface Models (DSMs) following standard practises. We used the 2 m ArcticDEM v7 mosaic to identify and map meltwater features. The outlines of esker beads were mapped as polygons at their break of slope, and esker ridge crestlines, moraine ridge crestlines, meltwater channel sides and subglacial meltwater corridor centrelines were mapped as polylines.

Funding

Emma Lewington was funded through a NERC doctoral training partnership ACCE DTP (NE/L002450/1)

PALGLAC (PI Chris Clark) - funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Grant agreement No. 787263)

History

Ethics

There is no personal data or any that requires ethical approval

Policy

The data complies with the institution and funders' policies on access and sharing

Sharing and access restrictions

The data can be shared openly

Data description

  • The file formats are open or commonly used

Methodology, headings and units

  • There is a readme.txt file describing the methodology, headings and units

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