Results 51 to 60 of about 129,372 (223)
Thermodynamic Control of Global Seasonal Snow Decline
Abstract Seasonal snowfall is declining globally, yet the relative roles of precipitation variability versus warming‐induced phase transitions remain poorly quantified. We develop a physically based attribution framework that decomposes snowfall trends (1983–2023) into hydrological (precipitation‐driven) and thermodynamic (phase‐driven) components ...
Yang Song +4 more
wiley +1 more source
Characteristics of ice rises and ice rumples in Dronning Maud Land and Enderby Land, Antarctica
Ice rises and rumples, locally grounded features adjacent to ice shelves, are relatively small yet play significant roles in Antarctic ice dynamics. Their roles generally depend upon their location within the ice shelf and the stage of the ice-sheet ...
Vikram Goel +5 more
doaj +1 more source
Glacier‐Climate Feedbacks Modulate Last Glacial Maximum Dust Cycle Over the Third Pole
Abstract Geological records indicate only a modest Last Glacial Maximum (LGM) increase in dust deposition over the Third Pole (TP), in contrast to the order‐of‐magnitude rise at high latitudes. Existing climate simulations, which generally prescribe present‐day or no TP glaciers, have struggled to reproduce this muted response.
Qiang Wei +7 more
wiley +1 more source
In the seventh five-year plan of the Japanese Antarctic Research Expedition, a group of Japanese scientists (led by the National Institute of Polar Research) together with a group of Swedish scientists, conducted field surveys to better understand the ...
Shuji Fujita +15 more
doaj +1 more source
Using repeat GPS measurements during 2005–16, we calculated and updated two-dimensional high-resolution decadal ice surface velocity estimates along the traverse route from Zhongshan Station to and around Dome Argus, East Antarctica.
Yang Yuande +8 more
doaj +1 more source
Does Polar Warming Asymmetry Exist in Bathy‐Planet Experiments?
Abstract Ocean bathymetry and continental geometry shape ocean circulation, but whether these geographic constraints can sustain polar warming asymmetry in a fully coupled climate system remains unclear. Here we construct a fully coupled “bathy‐planet” configuration (BATHY), in which continental topography is removed and most land surfaces are replaced
Yihan Zhang +4 more
wiley +1 more source
Fourteen degrees of latitude and a continent apart: comparison of lichen activity over two years at continental and maritime Antarctic sites [PDF]
There are marked declines in precipitation, mean temperatures and the number of lichen species with increasing latitude in Antarctica. However, it is not known which factors are the predominant controllers of biodiversity changes.
Burkhard Schroeter +9 more
core +1 more source
Mechanical analysis of pinning points in the Ross Ice Shelf, Antarctica
Ice shelves regulate the rate of ice-sheet discharge along much of the Antarctic coastline. Pinning points, sites of localised grounding within floating ice, can in turn, regulate the flow and thickness of an ice shelf.
Holly Still +2 more
doaj +1 more source
On the glaciological, meteorological, and climatological significance of Antarctic blue ice areas [PDF]
This paper presents the current state of our knowledge about Antarctic blue ice areas. Scattered widely over the Antarctic continent yet covering only approximately 1% of its surface area, blue ice areas have some peculiar characteristics that make them of particular interest for planetary geologists, glaciologists, meteorologists, and climatologists ...
openaire +2 more sources
Abstract In the McMurdo Dry Valleys, Antarctica's largest ice‐free area, the stream channels consist of rock and sediment that are underlain by permafrost. Substantial permafrost degradation and channel erosion occurred in January 2012 on the west branch of Crescent Stream, while the east branch remained unaffected.
Anna Wright +3 more
wiley +1 more source

