Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S)

Juan A. Alfonso, Raul R. Cordero, Penny M. Rowe, Steven Neshyba, Gino Casassa, Jorge Carrasco, Shelley MacDonell, Fabrice Lambert, Jaime Pizarro, Francisco Fernandoy, Sarah Feron, Alessandro Damiani, Pedro Llanillo, Edgardo Sepulveda, Jose Jorquera, Belkis Garcia, Juan M. Carrera, Pedro Oyola, Choong Min Kang

Resultado de la investigación: Article

Resumen

The snowpack is an important source of water for many Andean communities. Because of its importance, elemental and mineralogical composition analysis of the Andean snow is a worthwhile effort. In this study, we conducted a chemical composition analysis (major and trace elements, mineralogy, and chemical enrichment) of surface snow sampled at 21 sites across a transect of about 2,500 km in the Chilean Andes (18–41°S). Our results enabled us to identify five depositional environments: (i) sites 1–3 (in the Atacama Desert, 18–26°S) with relatively high concentrations of metals, high abundance of quartz and low presence of arsenates, (ii) sites 4–8 (in northern Chile, 29–32°S) with relatively high abundance of quartz and low presence of metals and arsenates, (iii) sites 9–12 (in central Chile, 33–35°S) with anthropogenic enrichment of metals, relatively high values of quartz and low abundance of arsenates, (iv) sites 13–14 (also in central Chile, 35–37°S) with relatively high values of quartz and low presence of metals and arsenates, and v) sites 15–21 (in southern Chile, 37–41°S) with relatively high abundance of arsenates and low presence of metals and quartz. We found significant anthropogenic enrichment at sites close to Santiago (a major city of 6 million inhabitants) and in the Atacama Desert (that hosts several major copper mines).

Idioma originalEnglish
Número de artículo8130
PublicaciónScientific Reports
Volumen9
N.º1
DOI
EstadoPublished - 1 dic 2019

Huella dactilar

arsenate
snow
quartz
metal
desert
snowpack
depositional environment
mineralogy
transect
chemical composition
trace element
copper
water
analysis

ASJC Scopus subject areas

  • General

Citar esto

Alfonso, J. A., Cordero, R. R., Rowe, P. M., Neshyba, S., Casassa, G., Carrasco, J., ... Kang, C. M. (2019). Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S). Scientific Reports, 9(1), [8130]. https://doi.org/10.1038/s41598-019-44516-5
Alfonso, Juan A. ; Cordero, Raul R. ; Rowe, Penny M. ; Neshyba, Steven ; Casassa, Gino ; Carrasco, Jorge ; MacDonell, Shelley ; Lambert, Fabrice ; Pizarro, Jaime ; Fernandoy, Francisco ; Feron, Sarah ; Damiani, Alessandro ; Llanillo, Pedro ; Sepulveda, Edgardo ; Jorquera, Jose ; Garcia, Belkis ; Carrera, Juan M. ; Oyola, Pedro ; Kang, Choong Min. / Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S). En: Scientific Reports. 2019 ; Vol. 9, N.º 1.
@article{4280957235824d9d81174214a3876856,
title = "Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S)",
abstract = "The snowpack is an important source of water for many Andean communities. Because of its importance, elemental and mineralogical composition analysis of the Andean snow is a worthwhile effort. In this study, we conducted a chemical composition analysis (major and trace elements, mineralogy, and chemical enrichment) of surface snow sampled at 21 sites across a transect of about 2,500 km in the Chilean Andes (18–41°S). Our results enabled us to identify five depositional environments: (i) sites 1–3 (in the Atacama Desert, 18–26°S) with relatively high concentrations of metals, high abundance of quartz and low presence of arsenates, (ii) sites 4–8 (in northern Chile, 29–32°S) with relatively high abundance of quartz and low presence of metals and arsenates, (iii) sites 9–12 (in central Chile, 33–35°S) with anthropogenic enrichment of metals, relatively high values of quartz and low abundance of arsenates, (iv) sites 13–14 (also in central Chile, 35–37°S) with relatively high values of quartz and low presence of metals and arsenates, and v) sites 15–21 (in southern Chile, 37–41°S) with relatively high abundance of arsenates and low presence of metals and quartz. We found significant anthropogenic enrichment at sites close to Santiago (a major city of 6 million inhabitants) and in the Atacama Desert (that hosts several major copper mines).",
author = "Alfonso, {Juan A.} and Cordero, {Raul R.} and Rowe, {Penny M.} and Steven Neshyba and Gino Casassa and Jorge Carrasco and Shelley MacDonell and Fabrice Lambert and Jaime Pizarro and Francisco Fernandoy and Sarah Feron and Alessandro Damiani and Pedro Llanillo and Edgardo Sepulveda and Jose Jorquera and Belkis Garcia and Carrera, {Juan M.} and Pedro Oyola and Kang, {Choong Min}",
year = "2019",
month = "12",
day = "1",
doi = "10.1038/s41598-019-44516-5",
language = "English",
volume = "9",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",
number = "1",

}

Alfonso, JA, Cordero, RR, Rowe, PM, Neshyba, S, Casassa, G, Carrasco, J, MacDonell, S, Lambert, F, Pizarro, J, Fernandoy, F, Feron, S, Damiani, A, Llanillo, P, Sepulveda, E, Jorquera, J, Garcia, B, Carrera, JM, Oyola, P & Kang, CM 2019, 'Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S)', Scientific Reports, vol. 9, n.º 1, 8130. https://doi.org/10.1038/s41598-019-44516-5

Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S). / Alfonso, Juan A.; Cordero, Raul R.; Rowe, Penny M.; Neshyba, Steven; Casassa, Gino; Carrasco, Jorge; MacDonell, Shelley; Lambert, Fabrice; Pizarro, Jaime; Fernandoy, Francisco; Feron, Sarah; Damiani, Alessandro; Llanillo, Pedro; Sepulveda, Edgardo; Jorquera, Jose; Garcia, Belkis; Carrera, Juan M.; Oyola, Pedro; Kang, Choong Min.

En: Scientific Reports, Vol. 9, N.º 1, 8130, 01.12.2019.

Resultado de la investigación: Article

TY - JOUR

T1 - Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S)

AU - Alfonso, Juan A.

AU - Cordero, Raul R.

AU - Rowe, Penny M.

AU - Neshyba, Steven

AU - Casassa, Gino

AU - Carrasco, Jorge

AU - MacDonell, Shelley

AU - Lambert, Fabrice

AU - Pizarro, Jaime

AU - Fernandoy, Francisco

AU - Feron, Sarah

AU - Damiani, Alessandro

AU - Llanillo, Pedro

AU - Sepulveda, Edgardo

AU - Jorquera, Jose

AU - Garcia, Belkis

AU - Carrera, Juan M.

AU - Oyola, Pedro

AU - Kang, Choong Min

PY - 2019/12/1

Y1 - 2019/12/1

N2 - The snowpack is an important source of water for many Andean communities. Because of its importance, elemental and mineralogical composition analysis of the Andean snow is a worthwhile effort. In this study, we conducted a chemical composition analysis (major and trace elements, mineralogy, and chemical enrichment) of surface snow sampled at 21 sites across a transect of about 2,500 km in the Chilean Andes (18–41°S). Our results enabled us to identify five depositional environments: (i) sites 1–3 (in the Atacama Desert, 18–26°S) with relatively high concentrations of metals, high abundance of quartz and low presence of arsenates, (ii) sites 4–8 (in northern Chile, 29–32°S) with relatively high abundance of quartz and low presence of metals and arsenates, (iii) sites 9–12 (in central Chile, 33–35°S) with anthropogenic enrichment of metals, relatively high values of quartz and low abundance of arsenates, (iv) sites 13–14 (also in central Chile, 35–37°S) with relatively high values of quartz and low presence of metals and arsenates, and v) sites 15–21 (in southern Chile, 37–41°S) with relatively high abundance of arsenates and low presence of metals and quartz. We found significant anthropogenic enrichment at sites close to Santiago (a major city of 6 million inhabitants) and in the Atacama Desert (that hosts several major copper mines).

AB - The snowpack is an important source of water for many Andean communities. Because of its importance, elemental and mineralogical composition analysis of the Andean snow is a worthwhile effort. In this study, we conducted a chemical composition analysis (major and trace elements, mineralogy, and chemical enrichment) of surface snow sampled at 21 sites across a transect of about 2,500 km in the Chilean Andes (18–41°S). Our results enabled us to identify five depositional environments: (i) sites 1–3 (in the Atacama Desert, 18–26°S) with relatively high concentrations of metals, high abundance of quartz and low presence of arsenates, (ii) sites 4–8 (in northern Chile, 29–32°S) with relatively high abundance of quartz and low presence of metals and arsenates, (iii) sites 9–12 (in central Chile, 33–35°S) with anthropogenic enrichment of metals, relatively high values of quartz and low abundance of arsenates, (iv) sites 13–14 (also in central Chile, 35–37°S) with relatively high values of quartz and low presence of metals and arsenates, and v) sites 15–21 (in southern Chile, 37–41°S) with relatively high abundance of arsenates and low presence of metals and quartz. We found significant anthropogenic enrichment at sites close to Santiago (a major city of 6 million inhabitants) and in the Atacama Desert (that hosts several major copper mines).

UR - http://www.scopus.com/inward/record.url?scp=85066483569&partnerID=8YFLogxK

U2 - 10.1038/s41598-019-44516-5

DO - 10.1038/s41598-019-44516-5

M3 - Article

AN - SCOPUS:85066483569

VL - 9

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

IS - 1

M1 - 8130

ER -

Alfonso JA, Cordero RR, Rowe PM, Neshyba S, Casassa G, Carrasco J y otros. Elemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S). Scientific Reports. 2019 dic 1;9(1). 8130. https://doi.org/10.1038/s41598-019-44516-5