Results 21 to 30 of about 3,955,846 (280)

Long‐term impact of the proglacial lake Jökulsárlón on the flow velocity and stability of Breiðamerkurjökull glacier, Iceland [PDF]

Earth Surface Processes and Landforms, 2020
AbstractProglacial lakes are becoming ubiquitous at the termini of many glaciers worldwide due to continued climate warming and glacier retreat, and such lakes have important consequences for the dynamics and future stability of these glaciers. In light of this, we quantified decadal changes in glacier velocity since 1991 using satellite remote sensing
Nathaniel R. Baurley, Benjamin A. Robson, Jane K. Hart   +2 more
openaire   +4 more sources

Temporal variations in flow velocity at Finsterwalderbreen, a Svalbard surge-type glacier [PDF]

Annals of Glaciology, 2005
AbstractInter- and intra-annual velocity variations are well known on alpine glaciers, but their importance for Arctic glaciers has only been recognized more recently. This paper presents flow velocity data from Finsterwalderbreen, a 35 km2 polythermal surge-type glacier in southern Svalbard that is presently ∼100 years into its quiescent phase.
Anne-Marie Nuttall, Richard Hodgkins
openaire   +1 more source

Influence of subglacial drainage system evolution on glacier surface motion: Haut Glacier d'Arolla, Switzerland [PDF]

, 2002
The relationship between the evolution of subglacial drainage system morphology and spatial patterns of glacier surface velocity was investigated using dye tracing experiments and ground surveying throughout the 1995 melt season at Haut Glacier d'Arolla,
Ian Willis, Sharp, M., Wohlleben, T., Peter Nienow, Mair, D., Martin Sharp, Willis, I., Trudy Wohlleben, Douglas Mair, Nienow, P.   +9 more
core   +1 more source

A Monte-Carlo error analysis for basal sliding velocity calculations [PDF]

, 2006
Since glacier beds are mostly inaccessible, numerical inversion of the surface velocity field provides a valuable method for calculating the basal shear stress and sliding velocity. However, previous theoretical studies (limited either to planar slabs or
Nienow, Peter, Chandler, D. M., Hubbard, B. P.   +2 more
core   +1 more source

Discovery of the Fastest Ice Flow along the Central Flow Line of Austre Lovénbreen, a Poly-thermal Valley Glacier in Svalbard

Remote Sensing, 2019
Ice flow velocity is a sensitive indicator of glacier variations both controlling and representing the delivery of ice and affecting the future stability of ice masses in a warming climate.
Songtao Ai, Xi Ding, Jiachun An, Guobiao Lin, Zemin Wang, Ming Yan   +5 more
doaj   +1 more source

Glacier Velocity Changes in the Himalayas in Relation to Ice Mass Balance

Remote Sensing, 2021
Glacier evolution with time provides important information about climate variability. Here, we investigated glacier velocity changes in the Himalayas and analysed the patterns of glacier flow.
Yu Zhou, Jianlong Chen, Xiao Cheng
doaj   +1 more source

Hydrological controls on diurnal ice flow variability in valley glaciers [PDF]

, 2005
This paper uses a combination of field data and three-dimensional modeling to investigate the spatial variability in basal conditions required to induce observed fluctuations in diurnal ice velocity at Haut Glacier d'Arolla, Switzerland.
Hubbard, A. L., Sharp, M. J., Chandler, D. M., Mair, D. W. F., Nienow, P. W., Willis, I. C., Hubbard, B. P.   +6 more
core   +1 more source

Mapping Surface Flow Velocity of Glaciers at Regional Scale Using a Multiple Sensors Approach [PDF]

Remote Sensing, 2019
We explore and compare the capabilities and limitations of different optical sensors (Sentinel-2/ESA, Landsat 7/8/USGS, Ven μ s/CNES-ISA, Pléiades/AirbusD&S and Planet Labs images) for mapping the surface speeds of mountain glaciers on a regional scale.
Romain Millan, Jérémie Mouginot, Antoine Rabatel, Seongsu Jeong, Diego Cusicanqui, Anna Derkacheva, Mondher Chekki   +6 more
openaire   +4 more sources

Intra-annual and intra-seasonal flow dynamics of a High Arctic polythermal valley glacier [PDF]

, 2002
Measurements of surface dynamics on polythermal John Evans Glacier, Nunavut, Canada, over two winter periods and every 7-10 days throughout two melt seasons (June-July 2000, 2001) provide new insight into spatio-temporal patterns of High Arctic glacier ...
Bingham, R.G., Nienow, P.W., Sharp, M., Nienow, Peter W., Sharp, Martin J., Bingham, RG, Nienow, PW, Sharp, MJ, Bingham, Robert George, Bingham, Robert G.   +9 more
core   +1 more source

Surface lowering of the debris-covered area of Kanchenjunga Glacier in the eastern Nepal Himalaya since 1975, as revealed by Hexagon KH-9 and ALOS satellite observations [PDF]

The Cryosphere, 2017
This study presents the geodetic mass balance of Kanchenjunga Glacier, one of the largest debris-covered glaciers in the easternmost Nepal Himalaya, which possesses a negative mass balance of −0.18 ± 0.17 m w.e.
D. Lamsal, D. Lamsal, K. Fujita, A. Sakai   +3 more
doaj   +1 more source