HAL will be down for maintenance from Friday, June 10 at 4pm through Monday, June 13 at 9am. More information
Skip to Main content Skip to Navigation
Conference papers

Extreme value modelling of some glacial processes in Chilean Andes

Abstract : A glacier is a solid ice mass which is fed by solid water (snow, hail or hoarfrost), transforms this solid water in ice and restores it via steam (evaporation/sublimation) or via liquid (water drained by the runoff stream). Such gain and loss of mass is analyzed as a balance (or budget). We will analyze Guanaco glacier which is located in the IV region of Chile (29°S) in the semi-arid Andes, the mass balance measured using the glaciological method in the period 2002-2014 will be analyzed. For statistical modelling we applied Hill and t-Hill estimators from parametrized family of Harmonic mean estimators.The expected dependencies are visible by increase of variance of t-Hill in comparison with Hill estimator. We aim to better understand underlying mechanisms, which can improve the interpretability of data.
Document type :
Conference papers
Complete list of metadata

https://hal.archives-ouvertes.fr/hal-01168766
Contributor : Stephane Girard Connect in order to contact the contributor
Submitted on : Friday, June 26, 2015 - 2:58:04 PM
Last modification on : Friday, January 21, 2022 - 3:10:21 AM

Identifiers

  • HAL Id : hal-01168766, version 1

Collections

Citation

Stéphane Girard, Andres Rivera, Milan Stehlik, Sebastian Torres-Leiva. Extreme value modelling of some glacial processes in Chilean Andes. International Conference on Risk Analysis, May 2015, Barcelona, Spain. ⟨hal-01168766⟩

Share

Metrics

Record views

170