Results 91 to 100 of about 7,713 (263)

“Cold Tropics”: Permafrost Existence and Thickness on Eastern Nevado Coropuna (Southern Peruvian Andes) Revealed by Ground‐Penetrating Radar and Geoelectrical Soundings

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT The existence of permafrost was explored at tropical latitude on Nevado Coropuna (southern Peruvian Andes) using a combination of ground‐penetrating radar (GPR) and vertical electrical sounding (VES) in order to strengthen the mutual validation of data processing and interpretation.
Velnia Chacca, Ramón Pellitero, Adriano Ribolini, José Úbeda, Luis Mariano del Río, Ricardo Vila, Oscar Vilca   +6 more
wiley   +1 more source

A Drifting and Blowing Snow Scheme in the Weather Research and Forecasting Model

Journal of Advances in Modeling Earth Systems
Wind‐driven redistribution of surface snow is one of the key factors leading to heterogeneous accumulation of snow at small scales. Understanding the processes that lead to this heterogeneous accumulation is, therefore, of great importance to many ...
Manuel Saigger, Tobias Sauter, Christina Schmid, Emily Collier, Brigitta Goger, Georg Kaser, Rainer Prinz, Annelies Voordendag, Thomas Mölg   +8 more
doaj   +1 more source

Combining “Deep Learning” and Physically Constrained Neural Networks to Derive Complex Glaciological Change Processes from Modern High-Resolution Satellite Imagery: Application of the GEOCLASS-Image System to Create VarioCNN for Glacier Surges

Remote Sensing
The objectives of this paper are to investigate the trade-offs between a physically constrained neural network and a deep, convolutional neural network and to design a combined ML approach (“VarioCNN”).
Ute C. Herzfeld, Lawrence J. Hessburg, Thomas M. Trantow, Adam N. Hayes   +3 more
doaj   +1 more source

Multiproxy Chronologies of the Hurd Rock Glacier (Livingston Island, South Shetland Islands, Maritime Antarctica): Between the Late‐Stage Stabilization and Flow Deceleration

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT The Hurd Rock Glacier, located on Livingston Island (South Shetland Islands archipelago, Maritime Antarctica), is a tongue‐shaped feature composed of angular boulders, displaying transverse ridges and furrows, and featuring lobate structures, which are more prominently developed in its frontal sector.
Rosana Menéndez‐Duarte, Jesús Ruiz‐Fernández, Laura Rodríguez‐Rodríguez, José M. Fernández‐Fernández, Vincent Rinterknecht, ASTER Team   +5 more
wiley   +1 more source

Twenty years of cold surface layer thinning at Storglaciaren, sub-Arctic Sweden, 1989–2009

, 2012
Gusmeroli, A., Jansson, P., Pettersson, R., Murray, T. Twenty years of cold surface layer thinning at Storglaciären, sub-Arctic Sweden, 1989–2009, Journal of Glaciology, 58(207), 3-10 ...
Gusmeroli, Alessio, Pettersson, Rickard, Murray, Tavi, Murray, Tavi,, Tavi Murray, Jansson, Peter,, Pettersson, Rickard,, Gusmeroli, Alessio,   +7 more
core   +1 more source

Simulating Arctic Greening: Microbial Responses in Thawing Yedoma Permafrost

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT Arctic permafrost soils and sediments store vast amounts of organic carbon. With global warming intensifying, these soils are increasingly exposed to microbial decomposition. Further, Arctic warming and longer growing seasons drive regional greening, potentially accelerating the degradation of the previously frozen organic matter through ...
André Faust, Christoph Rosinger, Jan Olaf Melchert, Janet Rethemeyer   +3 more
wiley   +1 more source

Disposition Model for Permafrost Degradation in Mountainous Regions

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT Permafrost is a widespread thermal phenomenon in Arctic and high mountain regions that, in combination with steep terrain, exerts a key control on slope stability. Its degradation in response to climatic warming can modify the likelihood and timing of rockfall, debris flow and related mass movements. Robust information on the current state and
Peter Mani, Simon Allen, Mathias Bavay, Nils Hählen, Markus Stoffel   +4 more
wiley   +1 more source

Neoglacial and historical glacier changes around Kangersuneq fjord in southern West Greenland [PDF]

Geological Survey of Denmark and Greenland Bulletin, 2012
The Nuup Kangerlua region in southern West Greenland became eglaciated in the early Holocene and by the mid-Holocene, the margin of the Inland Ice was located east of its present position.
Weidick, Anker, Bennike, Ole, Citterio, Michele, Nørgaard-Pedersen, Niels   +3 more
doaj  

Evaluating Testability of Permafrost Models Through Physical and Thermal Testing in Complex Mountain Terrain, Yukon, Canada

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT Due to its subsurface nature, permafrost cannot be directly observed with the naked eye or optical remote sensing. Consequently, accurately describing its distribution and thermal state is challenging. This is especially true in vast, remote environments, where obtaining comprehensive field data is demanding or improbable.
Ria Nicholson, Philip P. Bonnaventure, Nick C. Noad, Madeleine C. Garibaldi, Rabecca Thiessen, Will Kochtitzky   +5 more
wiley   +1 more source

Impact of the International Glaciological Society on the development of glaciology and its future role

, 1987
After the end of World War II glaciology entered a new golden age, which has yet to end. The quality of this golden age is comparable to the classic period of the nineteenth century.
J. Weertman
core   +1 more source