Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives
This study provides a detailed description of the sources, transport, dispersion, and deposition of two major dust events originating from the high‐altitude subtropical Puna‐Altiplano Plateau (15–26°S; 65–69°W) in South America. A long and severe drought provided the right conditions for the onset o...
| Autores principales: | , , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
2018
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| Materias: | |
| Acceso en línea: | https://agupubs.pericles-prod.literatumonline.com/doi/10.1002/jgrd.50036 http://hdl.handle.net/20.500.12123/3178 https://doi.org/10.1002/jgrd.50036 |
| _version_ | 1855483193075957760 |
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| author | Gaiero, Diego Marcelo Simonella, Lucio Esteban Gassó, Santiago Gili, Stefania Stein, A.F. Sosa, P. Becchio, Raul Alberto Arce, Juan Mateo Marelli, Hugo Juan |
| author_browse | Arce, Juan Mateo Becchio, Raul Alberto Gaiero, Diego Marcelo Gassó, Santiago Gili, Stefania Marelli, Hugo Juan Simonella, Lucio Esteban Sosa, P. Stein, A.F. |
| author_facet | Gaiero, Diego Marcelo Simonella, Lucio Esteban Gassó, Santiago Gili, Stefania Stein, A.F. Sosa, P. Becchio, Raul Alberto Arce, Juan Mateo Marelli, Hugo Juan |
| author_sort | Gaiero, Diego Marcelo |
| collection | INTA Digital |
| description | This study provides a detailed description of the sources, transport, dispersion, and deposition of two major dust events originating from the high‐altitude subtropical Puna‐Altiplano Plateau (15–26°S; 65–69°W) in South America. A long and severe drought provided the right conditions for the onset of both events in July 2009 and 2010. Dust was transported SE and deposited over the Pampas region and was observed to continue to the Atlantic Ocean. Dust monitoring stations located downwind recorded both events, and samples were characterized through chemical and textural analysis. Through a combination of meteorological data and satellite observations (CALIPSO and MODIS detectors), we estimate the emission flux for the 2010 event. This estimate was used to constrain the Hybrid Single Particle Lagrangian Integrated Trajectory (HYSPLIT) transport model and simulate the dust event. Both satellite imagery and model results agree in the location and extension of the dust cloud. CALIPSO detected dust between ~6000 and ~8500 m a.s.l., which remained at this height during most of its trajectory. The dust cloud mixed with a strong convective system in the region, and the associated precipitation brought down significant amounts of dust to the ground. Dust particle size analysis for both events indicates that near the sources dust samples show median modes of 12.4–14.1 µm, similar to modes observed 1300 km away. Chemical composition of sediments from potential dust sources shows distinct signatures within the Puna‐Altiplano Plateau, the Puna sector being clearly different from the Altiplano area. In addition, both sources are markedly different from the Patagonian chemical fingerprint. These results have important implications to improve the interpretation of paleo‐environmental archives preserved on the Argentine loess, Antarctic ice cores, and Southern Ocean marine sediments. |
| format | Artículo |
| id | INTA3178 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| record_format | dspace |
| spelling | INTA31782018-08-24T14:34:42Z Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives Gaiero, Diego Marcelo Simonella, Lucio Esteban Gassó, Santiago Gili, Stefania Stein, A.F. Sosa, P. Becchio, Raul Alberto Arce, Juan Mateo Marelli, Hugo Juan Clima Imágenes por Satélites Tormentas de Polvo Paleoclimatología Meteorología Climate Satellite Imagery Dust Storms Palaeoclimatology Meteorology Región Puna Desierto del Altiplano América del Sur This study provides a detailed description of the sources, transport, dispersion, and deposition of two major dust events originating from the high‐altitude subtropical Puna‐Altiplano Plateau (15–26°S; 65–69°W) in South America. A long and severe drought provided the right conditions for the onset of both events in July 2009 and 2010. Dust was transported SE and deposited over the Pampas region and was observed to continue to the Atlantic Ocean. Dust monitoring stations located downwind recorded both events, and samples were characterized through chemical and textural analysis. Through a combination of meteorological data and satellite observations (CALIPSO and MODIS detectors), we estimate the emission flux for the 2010 event. This estimate was used to constrain the Hybrid Single Particle Lagrangian Integrated Trajectory (HYSPLIT) transport model and simulate the dust event. Both satellite imagery and model results agree in the location and extension of the dust cloud. CALIPSO detected dust between ~6000 and ~8500 m a.s.l., which remained at this height during most of its trajectory. The dust cloud mixed with a strong convective system in the region, and the associated precipitation brought down significant amounts of dust to the ground. Dust particle size analysis for both events indicates that near the sources dust samples show median modes of 12.4–14.1 µm, similar to modes observed 1300 km away. Chemical composition of sediments from potential dust sources shows distinct signatures within the Puna‐Altiplano Plateau, the Puna sector being clearly different from the Altiplano area. In addition, both sources are markedly different from the Patagonian chemical fingerprint. These results have important implications to improve the interpretation of paleo‐environmental archives preserved on the Argentine loess, Antarctic ice cores, and Southern Ocean marine sediments. EEA Marcos Juárez Fil: Gaiero, Diego Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Cientifico Tecnológico - CONICET - Córdoba. Centro de Investigaciones en Ciencias de la Tierra; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina Fil: Simonella, Lucio Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Cientifico Tecnológico - CONICET - Córdoba. Centro de Investigaciones en Ciencias de la Tierra; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina Fil: Gassó, Santiago. Morgan State University. GESTAR; Estados Unidos Fil: Gili, Stefania. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Cientifico Tecnológico - CONICET - Córdoba. Centro de Investigaciones en Ciencias de la Tierra; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina Fil: Stein, A.F. National Oceanic and Atmospheric Administration. Air Resources Laboratory; Estados Unidos Fil: Sosa, P. Universidad Nacional de Salta; Argentina Fil: Becchio, Raul Alberto. Universidad Nacional de Salta; Argentina Fil: Arce, Juan Mateo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Marcos Juárez; Argentina Fil: Marelli, Hugo Juan. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Marcos Juárez; Argentina 2018-08-24T14:32:25Z 2018-08-24T14:32:25Z 2013-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://agupubs.pericles-prod.literatumonline.com/doi/10.1002/jgrd.50036 http://hdl.handle.net/20.500.12123/3178 2169-897X 2169-8996 https://doi.org/10.1002/jgrd.50036 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Journal of Geophysical Research: Atmospheres 118 (9) : 3817-3831 (May 2013) |
| spellingShingle | Clima Imágenes por Satélites Tormentas de Polvo Paleoclimatología Meteorología Climate Satellite Imagery Dust Storms Palaeoclimatology Meteorology Región Puna Desierto del Altiplano América del Sur Gaiero, Diego Marcelo Simonella, Lucio Esteban Gassó, Santiago Gili, Stefania Stein, A.F. Sosa, P. Becchio, Raul Alberto Arce, Juan Mateo Marelli, Hugo Juan Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives |
| title | Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives |
| title_full | Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives |
| title_fullStr | Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives |
| title_full_unstemmed | Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives |
| title_short | Ground/satellite observations and atmospheric modeling of dust storms originating in the high Puna‐Altiplano deserts (South America): Implications for the interpretation of paleo‐climatic archives |
| title_sort | ground satellite observations and atmospheric modeling of dust storms originating in the high puna altiplano deserts south america implications for the interpretation of paleo climatic archives |
| topic | Clima Imágenes por Satélites Tormentas de Polvo Paleoclimatología Meteorología Climate Satellite Imagery Dust Storms Palaeoclimatology Meteorology Región Puna Desierto del Altiplano América del Sur |
| url | https://agupubs.pericles-prod.literatumonline.com/doi/10.1002/jgrd.50036 http://hdl.handle.net/20.500.12123/3178 https://doi.org/10.1002/jgrd.50036 |
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