Dust and Biological Aerosols from the Sahara and Asia Influence Precipitation in the Western U.S. Creamean, J. M., Suski, K. J., Rosenfeld, D., Cazorla, A., DeMott, P. J., Sullivan, R. C., White, A. B., Ralph, F. M., Minnis, P., Comstock, J. M., Tomlinson, J. M., & Prather, K. A. 339(6127):1572–1578. ![Dust and Biological Aerosols from the Sahara and Asia Influence Precipitation in the Western U.S. [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Snowfall in the Sierra Nevada provides a large fraction of the water that California receives as precipitation. Knowing what factors influence the amount of snow that falls is thus critical for projecting how water availability may change in the future. Aerosols have an important effect on cloud processes and precipitation. Creamean et al. (p. 1572, published online 28 February) found that dust and biological aerosols originating from as far away as the Sahara facilitate ice nuclei formation and ice-induced precipitation in the Sierra Nevada and show how dust and biological articles from places as distant as Africa and Asia can influence precipitation over the western United States.Winter storms in California's Sierra Nevada increase seasonal snowpack and provide critical water resources and hydropower for the state. Thus, the mechanisms influencing precipitation in this region have been the subject of research for decades. Previous studies suggest Asian dust enhances cloud ice and precipitation, whereas few studies consider biological aerosols as an important global source of ice nuclei (IN). Here, we show that dust and biological aerosols transported from as far as the Sahara were present in glaciated high-altitude clouds coincident with elevated IN concentrations and ice-induced precipitation. This study presents the first direct cloud and precipitation measurements showing that Saharan and Asian dust and biological aerosols probably serve as IN and play an important role in orographic precipitation processes over the western United States.
@article{creameanDustBiologicalAerosols2013,
title = {Dust and Biological Aerosols from the {{Sahara}} and {{Asia}} Influence Precipitation in the {{Western U}}.{{S}}.},
author = {Creamean, Jessie M. and Suski, Kaitlyn J. and Rosenfeld, Daniel and Cazorla, Alberto and DeMott, Paul J. and Sullivan, Ryan C. and White, Allen B. and Ralph, F. Martin and Minnis, Patrick and Comstock, Jennifer M. and Tomlinson, Jason M. and Prather, Kimberly A.},
date = {2013},
journaltitle = {Science},
volume = {339},
pages = {1572--1578},
issn = {1095-9203},
doi = {10.1126/science.1227279},
url = {https://doi.org/10.1126/science.1227279},
abstract = {Snowfall in the Sierra Nevada provides a large fraction of the water that California receives as precipitation. Knowing what factors influence the amount of snow that falls is thus critical for projecting how water availability may change in the future. Aerosols have an important effect on cloud processes and precipitation. Creamean et al. (p. 1572, published online 28 February) found that dust and biological aerosols originating from as far away as the Sahara facilitate ice nuclei formation and ice-induced precipitation in the Sierra Nevada and show how dust and biological articles from places as distant as Africa and Asia can influence precipitation over the western United States.Winter storms in California's Sierra Nevada increase seasonal snowpack and provide critical water resources and hydropower for the state. Thus, the mechanisms influencing precipitation in this region have been the subject of research for decades. Previous studies suggest Asian dust enhances cloud ice and precipitation, whereas few studies consider biological aerosols as an important global source of ice nuclei (IN). Here, we show that dust and biological aerosols transported from as far as the Sahara were present in glaciated high-altitude clouds coincident with elevated IN concentrations and ice-induced precipitation. This study presents the first direct cloud and precipitation measurements showing that Saharan and Asian dust and biological aerosols probably serve as IN and play an important role in orographic precipitation processes over the western United States.},
keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-14007184,aerosol,africa,air-quality,asia,off-site-effects,precipitation,united-states},
number = {6127}
}
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Knowing what factors influence the amount of snow that falls is thus critical for projecting how water availability may change in the future. Aerosols have an important effect on cloud processes and precipitation. Creamean et al. (p. 1572, published online 28 February) found that dust and biological aerosols originating from as far away as the Sahara facilitate ice nuclei formation and ice-induced precipitation in the Sierra Nevada and show how dust and biological articles from places as distant as Africa and Asia can influence precipitation over the western United States.Winter storms in California's Sierra Nevada increase seasonal snowpack and provide critical water resources and hydropower for the state. Thus, the mechanisms influencing precipitation in this region have been the subject of research for decades. Previous studies suggest Asian dust enhances cloud ice and precipitation, whereas few studies consider biological aerosols as an important global source of ice nuclei (IN). Here, we show that dust and biological aerosols transported from as far as the Sahara were present in glaciated high-altitude clouds coincident with elevated IN concentrations and ice-induced precipitation. This study presents the first direct cloud and precipitation measurements showing that Saharan and Asian dust and biological aerosols probably serve as IN and play an important role in orographic precipitation processes over the western United States.","keywords":"*imported-from-citeulike-INRMM,~INRMM-MiD:c-14007184,aerosol,africa,air-quality,asia,off-site-effects,precipitation,united-states","number":"6127","bibtex":"@article{creameanDustBiologicalAerosols2013,\n title = {Dust and Biological Aerosols from the {{Sahara}} and {{Asia}} Influence Precipitation in the {{Western U}}.{{S}}.},\n author = {Creamean, Jessie M. and Suski, Kaitlyn J. and Rosenfeld, Daniel and Cazorla, Alberto and DeMott, Paul J. and Sullivan, Ryan C. and White, Allen B. and Ralph, F. Martin and Minnis, Patrick and Comstock, Jennifer M. and Tomlinson, Jason M. and Prather, Kimberly A.},\n date = {2013},\n journaltitle = {Science},\n volume = {339},\n pages = {1572--1578},\n issn = {1095-9203},\n doi = {10.1126/science.1227279},\n url = {https://doi.org/10.1126/science.1227279},\n abstract = {Snowfall in the Sierra Nevada provides a large fraction of the water that California receives as precipitation. Knowing what factors influence the amount of snow that falls is thus critical for projecting how water availability may change in the future. Aerosols have an important effect on cloud processes and precipitation. Creamean et al. (p. 1572, published online 28 February) found that dust and biological aerosols originating from as far away as the Sahara facilitate ice nuclei formation and ice-induced precipitation in the Sierra Nevada and show how dust and biological articles from places as distant as Africa and Asia can influence precipitation over the western United States.Winter storms in California's Sierra Nevada increase seasonal snowpack and provide critical water resources and hydropower for the state. Thus, the mechanisms influencing precipitation in this region have been the subject of research for decades. Previous studies suggest Asian dust enhances cloud ice and precipitation, whereas few studies consider biological aerosols as an important global source of ice nuclei (IN). Here, we show that dust and biological aerosols transported from as far as the Sahara were present in glaciated high-altitude clouds coincident with elevated IN concentrations and ice-induced precipitation. 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