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+ KORUS-AQ: An International Cooperative Air Quality Field Study in Korea

DRAGON KORUS-AQ Map

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Aerosol measurement observations from ground-based sun photometers and sun/sky radiometers have played a critical role in developing, reformulating and validating satellite algorithms to characterize aerosol optical depth, modal aerosol retrievals and single scattering albedo among other parameters.   New and improved algorithms are being developed for current and future satellite missions that will place a greater demand on the accuracy and fidelity of the ground-based measurements for validation, multi data set synergism and long-term climate research.  Heretofore satellite validation studies using sun and sky scanning spectral radiometer measurements such as AERONET have relied on point observations extrapolated to a two dimensional domain to compare to the satellite retrieval.  Additionally few of the ground-based remote sensing measurements have had a rigorous comparison or validation against other ground-based measurements particularly in situ observations of aerosol size and absorption.  DRAGON-KORUS-AQ will provide a data set to address satellite validation and in situ comparisons.

• Establish a mesoscale a network of sun photometers in Seoul, South Korea.
• Supplement the mesoscale networks with distributed sites to capture aerosol variability including aerosol transport from the Asian continent.
• Develop a geo-referenced database that will accommodate supplementary/complimentary data sets.

The DRAGON-Asia campaign deployments of sun/sky radiometers will occur in South Korea (Figure 1) from April 1 to July 31, 2016. KORUS-AQ aircraft measurement campaign will occur concurrently from May 1 to June 12, 2016.

Approximately 10 instruments will be deployed around the Seoul region (Figure 2). Additional instruments in Japan and China (Figure 3) will enhance the spatial coverage of AERONET measurements upwind and downwind of the KORUS-AQ region.

Figure 1 DRAGON-KORUS-AQ Site Distribution.Download KML file.

Figure 2 Site Distribution around Seoul, South Korea.

Figure 3 Site Distribution of the Greater KORUS-AQ Region.

DRAGON Text Lists

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DRAGON Google Earth Distribution

+ Level 1.0 AOD Data (Google Earth KMZ)
+ Level 1.5 AOD Data (Google Earth KMZ)
+ Level 2.0 AOD Data (Google Earth KMZ)