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Aerosol Retrievals from DSCOVR Measurements

Natraj, Vijay and Jiang, Jonathan H. and Kopparla, Pushkar and Yung, Yuk L. and Doicu, Adrian and Loyola, Diego (2018) Aerosol Retrievals from DSCOVR Measurements. In: 2018 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2018). IEEE , Piscataway, NJ, pp. 6026-6028. ISBN 978-1-5386-7150-4. http://resolver.caltech.edu/CaltechAUTHORS:20181109-084430672

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Abstract

Atmospheric aerosols play a central role in the Earth's radiative budget. Together with various greenhouse gases, aerosols represent the most significant anthropogenic forcing responsible for climate change. However, uncertainties about the origin and composition of aerosol particles, their size distribution, concentration, spatial and temporal variability, make climate change prediction challenging. In order to quantify the influence of aerosols on the Earth's climate and to better validate climate models, information about their global abundance, properties and height distribution are needed. We use measurements of the Oxygen A and B bands from the Earth Polychromatic Imaging Camera (EPIC) onboard the Deep Space Climate Observatory (DSCOVR) to retrieve aerosol parameters such as optical depth, height and effective radius. Aerosol retrievals are ill-posed because of the large spatial and temporal variability in their composition and vertical distribution. We compare several retrieval methods and determine the optimum technique for the retrieval algorithm.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1109/IGARSS.2018.8519014DOIArticle
https://ieeexplore.ieee.org/document/8519014PublisherArticle
ORCID:
AuthorORCID
Natraj, Vijay0000-0003-3154-9429
Jiang, Jonathan H.0000-0002-5929-8951
Kopparla, Pushkar0000-0002-8951-3907
Additional Information:© 2018 IEEE. Part of this work was performed at the Jet Propulsion Laboratory, California Institute of Technology. This work was funded by the NASA Earth Science U.S. Participating Investigator program.
Funders:
Funding AgencyGrant Number
NASA/JPL/CaltechUNSPECIFIED
Subject Keywords:aerosol; vertical profile; retrievals; EPIC
Record Number:CaltechAUTHORS:20181109-084430672
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20181109-084430672
Official Citation:V. Natraj, J. H. Jiang, A. Doicu, D. Loyola, P. Kopparla and Y. L. Yung, "Aerosol Retrievals from DSCOVR Measurements," IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, Valencia, Spain, 2018, pp. 6026-6028. doi: 10.1109/IGARSS.2018.8519014
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:90786
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 Nov 2018 17:40
Last Modified:13 Nov 2018 17:40

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