Publication

Assessment of thermal stabilisation measures based on numerical simulations at a Swiss Alpine permafrost site

2025

Abstract

This work presents the numerical study of the thermal stabilisation methods to slow this permafrost thawing, protecting from landscapes and infrastructure damaging at an alpine site. We investigate different methods based on passive and active cooling system. The best approach mixes both methods and manages heat flow, potentially allowing excess energy to be used locally. This dataset allows one to test and check the different thermal stabilisation methods. Resource Title: sharaborova_et_al_2025_dataset.zip Size: 1248189543 bytes Format: application/zip URL: https://www.envidat.ch/dataset/b5bd542f-9032-48f8-a444-a1bb24dadbd2/resource/630ff31f-7739-4ad7-b458-eeab77f71871/download/sharaborova_et_al_2025_dataset.zip

Official source

https://infoscience.epfl.ch/entities/publication/12368703-8dde-4f95-b741-5b56fd945ece

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2025

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/12368703-8dde-4f95-b741-5b56fd945ece

About this result

Related concepts (28)

Numerical analysis

Numerical analysis is the study of algorithms that use numerical approximation (as opposed to symbolic manipulations) for the problems of mathematical analysis (as distinguished from discrete mathematics). It is the study of numerical methods that attempt at finding approximate solutions of problems rather than the exact ones. Numerical analysis finds application in all fields of engineering and the physical sciences, and in the 21st century also the life and social sciences, medicine, business and even the arts.

Iterative method

In computational mathematics, an iterative method is a mathematical procedure that uses an initial value to generate a sequence of improving approximate solutions for a class of problems, in which the n-th approximation is derived from the previous ones. A specific implementation with termination criteria for a given iterative method like gradient descent, hill climbing, Newton's method, or quasi-Newton methods like BFGS, is an algorithm of the iterative method.

Permafrost

Permafrost () is soil or underwater sediment which continuously remains below for two or more years. Land-based permafrost can include the surface layer of the soil, but if the surface is too warm, it may still occur within a few centimeters of the surface down to hundreds of meters. It usually consists of ice holding in place a combination of various types of soil, sand, and rock, though in ice-free ground, perennially frozen non-porous bedrock can serve the same role.

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Assessment of thermal stabilisation measures based on numerical simulations at a Swiss Alpine permafrost site

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