The Randolph Glacier Inventory: a globally complete inventory of glaciers
Why is this work in the frame?
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Machine scores (provisional)
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
- Teacher spread
- 0.203 · how far apart the two teachers sit on this one work
- Validation status
score_only:v0-immature-baseline· verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it
Abstract
Abstract The Randolph Glacier Inventory (RGI) is a globally complete collection of digital outlines of glaciers, excluding the ice sheets, developed to meet the needs of the Fifth Assessment of the Intergovernmental Panel on Climate Change for estimates of past and future mass balance. The RGI was created with limited resources in a short period. Priority was given to completeness of coverage, but a limited, uniform set of attributes is attached to each of the ~198 000 glaciers in its latest version, 3.2. Satellite imagery from 1999–2010 provided most of the outlines. Their total extent is estimated as 726 800 ± 34 000 km 2 . The uncertainty, about ±5%, is derived from careful single-glacier and basin-scale uncertainty estimates and comparisons with inventories that were not sources for the RGI. The main contributors to uncertainty are probably misinterpretation of seasonal snow cover and debris cover. These errors appear not to be normally distributed, and quantifying them reliably is an unsolved problem. Combined with digital elevation models, the RGI glacier outlines yield hypsometries that can be combined with atmospheric data or model outputs for analysis of the impacts of climatic change on glaciers. The RGI has already proved its value in the generation of significantly improved aggregate estimates of glacier mass changes and total volume, and thus actual and potential contributions to sea-level rise.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
The record
- Venue
- Journal of Glaciology
- Topic
- Cryospheric studies and observations
- Field
- Earth and Planetary Sciences
- Canadian institutions
- University of OttawaUniversity of British ColumbiaUniversity of AlbertaTrent University
- Funders
- Natural Sciences and Engineering Research Council of CanadaAlaska Climate Adaptation Science Center, University of Alaska FairbanksDeutsche ForschungsgemeinschaftTrent UniversityNational Park ServiceU.S. Geological SurveyInternational Arctic Science CommitteeEuropean CommissionAustrian Science FundNational Science FoundationEuropean Space AgencyNational Aeronautics and Space AdministrationSeventh Framework Programme
- Keywords
- GlacierGlacier mass balanceDigital elevation modelGeologyPhysical geographyClimatologyStructural basinClimate changeElevation (ballistics)GeographyGeomorphologyRemote sensingOceanographyMathematics
- Has abstract in OpenAlex
- yes