机译:Shallow firn cores 1989–2019 in southwest Greenland's percolation zone reveal decreasing density and ice layer thickness after 2012
Kitami Institute of Technology;
Desert Research Institute;
The State University of New JerseyUniversity of OsloUniversity of Alaska FairbanksColumbia UniversityUniversity of ColoradoUniversity of FribourgDartmouth College;
Ice and climate; ice core; ice-sheet mass balance; polar firn;