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Frontiers | The Recent Relationships Between Andean Ice-Core Dust Record and Madeira River Suspended Sediments on the Wet Season

Dust particle studies in ice cores from the tropical Andes provide important information about climate dynamics. We investigated dust concentrations from a 22.7 m ice-core recovered from the Quelccaya Ice Cap (QIC) in 2018, representing 14 years of snow accumulation. The dust seasonality signal was still preserved with homogenization of the record due to surface melting and percolation. Using a microparticle counter, we measured the dust concentration from 2–60 μm and divided the annual dust concentration into three distinct groups: fine particle percentage (FPP, 2−10 μm), coarse particle percentage (CPP, 10−20 μm), and giant particle percentage (GPP, 20−60 μm). Increased dust was associated with the warm stage of the Pacific Decadal Oscillation index (PDO) after 2013 with significant increases in FPP and a relative decrease in CPP and GPP. There was a positive correlation between PDO and FPP (r = 0.70, p-value < 0.005). CPP and GPP were dominant during the mainly PDO co ....

Madre De Dios , Amazon Basin , Brazil General , Distrito Federal , United States , Rio Grande Do Sul , Bolivian Andes , Bolivia General , Amazon River , Nevado Illimani , La Paz , Rocha Ribeiro , Estado Do Rio , Porto Velho , Cordillera Vilcanota , Cordillera Blanca , Setember November Hurley , Pacific Ocean Perry , Lavado Casimiro , Atlantic Ocean , Andes Perry , Pacific Ocean , Espinoza Villar , August Espinoza , Gutierrez Caloir , Danandeh Mehr ,

Chacaltaya: A Bolivian memory | Borneo Bulletin Online

Chacaltaya: A Bolivian memory | Borneo Bulletin Online
borneobulletin.com.bn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from borneobulletin.com.bn Daily Mail and Mail on Sunday newspapers.

United States , La Paz , Aust Agder , El Alto , Bolivian Andes , Bolivia General , Bernardo Guarachi , Karina Apaza , San Andres University Edson Ramirez , Paz Department , Andean Glaciers , Waters Atlas , South American , United Nations ,

World's highest ski resort a Bolivian memory

Bernardo Guarachi's eyes light up as he reminisces about the glory days of Chacaltaya once the highest ski resort in the world but now a crumbling relic to climate change in the Bolivian Andes. ....

United States , La Paz , Aust Agder , El Alto , Bolivian Andes , Bolivia General , Edson Ramirez , Karina Apaza , San Andres University , United Nations , Andean Glaciers , Waters Atlas , Mayor De San Andres University , South American ,