Analysis of teleconnection between the Arctic Oscillation and South American cryosphere reduction

Abstract: The cryosphere in South America is a very important resource because it is the main source of water for 85 million inhabitants distributed in Colombia, Ecuador, Peru, Bolivia, Chile and Argentina [1-2]. To know the effects due to global phenomena such as arctic oscillation (AO) in the redu...

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Bibliographic Details
Main Authors: Bolaño Ortiz, Tomás Rafael, Pascual Flores, Romina María, López Noreña, Ana Isabel, Ruggeri, María Florencia, Lakkis, Susan Gabriela, Puliafito, Salvador E.
Format: Conference Object
Language:English
Published: 2019
Subjects:
ATMOSFERA
CRIÓSFERA
HIELOS CONTINENTALES
MEDIO AMBIENTE
INGENIERIA AMBIENTAL
AGUA
Arctic
Argentina
Online Access:https://repositorio.uca.edu.ar/handle/123456789/17054
https://doi.org/10.13140/RG.2.2.25966.56647
Description
Summary:Abstract: The cryosphere in South America is a very important resource because it is the main source of water for 85 million inhabitants distributed in Colombia, Ecuador, Peru, Bolivia, Chile and Argentina [1-2]. To know the effects due to global phenomena such as arctic oscillation (AO) in the reduction of the cryosphere in this region, we proceeded to analyze sources of reanalysis information (ERA-40; NCEP/NCAR Reanalysis) and high resolution snow cover (MOD10 500m) from Moderate-Resolution Imaging Spectroradiometer (MODIS). Several linear adjustments were made to observe how snow cover variations (Y) responded to variations in AO (X1 ), surface temperature (X2 ) and snow precipitation (X3 ).

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