The glacial geomorphology of upper Godthåbsfjord (Nuup Kangerlua) in southwest Greenland
Bibliographic Data
| ID | 16840437 |
|---|---|
| Authors | Danni M Pearce (0000-0002-6889-224X, University of Aberdeen, corresponding author), Douglas Mair (0000-0001-7009-5461, University of Liverpool), Douglas W F Mair, Brice R Rea (0000-0002-9928-145X, University of Aberdeen), James M Lea (0000-0003-1885-0858, University of Liverpool), J Edward Schofield (0000-0003-1379-0753, University of Aberdeen), Nicholas A Kamenos (0000-0003-3434-0807, University of Glasgow), Nicholas Kamenos, Kathryn M Schoenrock (0000-0002-0407-3173, Ollscoil na Gaillimhe – University of Galway), Kathryn Schoenrock |
| Year | 2018 |
| Volume | 14 |
| Issue | 2 |
| Pages | 45-55 |
| Publication date | 2018-11-13 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Journal of Maps (JOURNAL) |
| Journal identifiers | ISSN: 1744-5647 • E-ISSN: 1744-5647 |
| Publisher | Informa UK Limited (PUBLISHER • GB) |
| DOI | 10.1080/17445647.2017.1422447 |
| OpenAlex | W2787169645 |
| Language | EN |
| Citations received | 2 |
| References cited | 43 |
The Greenland Ice Sheet (GrIS) is known to have experienced widespread retreat over the last century. Information on outlet glacier dynamics, prior to this, are limited due to both a lack of observations and a paucity of mapped or mappable deglacial evidence which restricts our understanding of centennial to millennial timescale dynamics of the GrIS. Here we present glacial geomorphological mapping, for upper Godthåbsfjord, covering 5800 km2 at a scale of 1:92,000, using a combination of ASTER GDEM V2, a medium-resolution DEM (error <10 m horizontal and <6 m vertical accuracy), panchromatic orthophotographs and ground truthing. This work provides a detailed geomorphological assessment for the area, compiled as a single map, comprising of moraines, meltwater channels, streamlined bedrock, sediment lineations, ice-dammed lakes, trimlines, terraces, gullied sediment and marine limits. Whilst some of the landforms have been previously identified, the new information presented here improves our understanding of ice margin behaviour and can be used for future numerical modelling and landform dating programmes. Data also form the basis for palaeoglaciological reconstructions and contribute towards understanding of the centennial to millennial timescale record of this sector of the GrIS
Bedrock · Cryosphere · Drumlin · Geography · Geomorphology · Glacial landform · Glacial period · Glacier · Ice sheet · Ice stream · Landform · Meltwater · Moraine · Physical geography · Sea ice · Cryospheric studies and observations · Landslides and related hazards · Winter Sports Injuries and Performance · Geology · Oceanography
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| Citations per year | 0.29 |
|---|---|
| Citation span | 2019 - 2022 (4) |
| Highly cited | No |