Results 261 to 270 of about 31,355 (308)

Calving-driven fjord dynamics resolved by seafloor fibre sensing. [PDF]

Nature
Gräff D, Lipovsky BP, Vieli A, Dachauer A, Jackson R, Farinotti D, Schmale J, Ampuero JP, Berg E, Dannowski A, Kneib-Walter A, Köpfli M, Kopp H, van der Loo E, Mata Flores D, Mercerat D, Moser R, Sladen A, Walter F, Wasser D, Welty E, Wetter S, Williams EF.   +22 more
europepmc   +1 more source

Globally scalable glacier mapping by deep learning matches expert delineation accuracy. [PDF]

Nat Commun
Maslov KA, Persello C, Schellenberger T, Stein A.   +3 more
europepmc   +1 more source

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Linear modelling of glacier length fluctuations

Geografiska Annaler: Series A, Physical Geography, 2012
In this contribution a linear first-order differential equation is used to model glacier length fluctuations. This equation has two parameters describing the physical characteristics of a glacier: the climate sensitivity, expressing how the equilibrium glacier length depends on the climatic state, and the response time, indicating how fast a glacier ...
Johannes Oerlemans
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Modeling Periodically Surging Glaciers

Science, 1974
A numerical model has been developed which produces periodic surging as a characteristic of some glaciers for a certain accumulation and bedrock distribution in contrast to the normal steady state for nonsurging glaciers. Results are presented to illustrate how the magnitude of changes in the length, thickness, and velocity of surging glaciers can be ...
W F, Budd, B J, McInnes
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Mass balance estimation of Mulkila glacier, Western Himalayas, using glacier melt model

Environmental Monitoring and Assessment, 2022
One of the main water supplies in Asia is known to be melting water from Himalayan glaciers. One of the most important metrics to analyze and evaluate potential shifts in freshwater supplies from glacier storage is the estimate of mass balance. The present study aims at estimating the glacier mass balance with the help of remote sensing and in situ ...
Geetha Priya, M, Chandhana, Guruprasad, Deeksha, Gopal, Suresh, Devaraj   +3 more
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Glacier Fluctuations and Simple Glacier Models

2020
This chapter details the formulation and analysis of simple mathematical models that describe the response of glaciers to mass balance changes. The primary focus is on glacier length fluctuations. Key aspects studied include the response time and sensitivity of different glaciers to changes in climate, and the use of models to reconstruct past ...
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Evolution of rock glaciers and alpine glaciers: A model–model approach

2003
The effects of horizontal stress transmission on the transient evolution of non-linear viscous bodies having aspects ratios similar to active alpine rock glaciers is investigated. This is done through a comparison between a shallow-ice model, which predicts material flux to be a local function of thickness and slope, and a finite-element model, which ...
Leysinger Vieli, Gwendolyn, Gudmundsson, G Hilmar   +1 more
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Modelling ice flow in various Glacier zones

Journal of Applied Mathematics and Mechanics, 2001
The authors propose a simplified model of plane isothermal stationary ice flow in the surface part, shelf and transition region of ice and ice-shelf interacting with the sea. The results of dynamics analysis of the ice interface region are presented for axisymmetric ice flow.
Wilchinsky, A. V., Chugunov, V. A.
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Modelling debris-covered glacier melt

2023
Meltwater from glaciers contributes to hydro-electricity and agricultural production in some places, and model predictions of glacier melt can inform water management decisions. However, predictions are inherently uncertain. Accurately constrained uncertainty can be key to success of management decisions.
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Laboratory Models of Glacier Dynamics

Geological Society of America Bulletin, 1972
Excellent laboratory models of glaciers were produced by pouring a mixture of molding plaster and water down a prefashioned trough of nonabsorbent material. The plaster models simulate the dynamics of glacier flow and accurately display many surface and internal structures common to real glaciers, including crevasse and flow patterns, icefalls and ...
P. JAY FLEISHER, JOHN K. SALES
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