Possible Extensions to the VIEWS System Tools CATT for VIEWS30k Gridder/Contourer15k Auxiliary Data ASOS-Current Visibility20k Historical Weather20k Infrastructure.

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Presentation transcript:

Possible Extensions to the VIEWS System Tools CATT for VIEWS30k Gridder/Contourer15k Auxiliary Data ASOS-Current Visibility20k Historical Weather20k Infrastructure support Dynamic maps in VIEWS30k Network data access 20k

Trajectory Aggregation Tool for VIEWS Background: A combined aerosol trajectory aggregation tool, CATT, has been developed for easy aggregation and browsing of airmass histories associated with specific aerosol conditions. The CATT tool, is now supported (MANEVU/MRPO) for 16 stations and for pre-calculated residence times. Proposal: We propose to extend the CATT tool by allowing ‘on the fly’ trajectory aggregation and use of VIEWS chemical data to set the aerosol conditions. Budget: $30k Implementation and Status: The CATT toll is now in beta testing by the MANEVU/MRPO group. This extension to CATT has been an option on the contract but funds were not available. The technologies of ‘on the fly’ trajectory aggregation and the VIEWS link have been tested for feasibility. R. Husar will lead this effort in close cooperation with B. Schichtel of CIRA/VIEWS.

Extending CATT to VIEWS Current MANEVU/MRPO Project Proposed Extension to VIEWS ‘On the fly trajectory aggregation for 150+ VIEWS sites 16 sites 180+ sites over the entire US 100+ ‘species’ 15 ‘species’

CATT Tool Implementation The beta version of CATT is available now for testing. available The tool displays the incremental transport probability for specified query conditions Combined Aerosol Trajectory Tool - CATT Query Conditions

Ad-hoc aggregation with VIEWS data The feasibility of ad-hog trajectory aggregation has been tested with success The combination with VIEWS chemical data is also practical

Spatial Interpolation and Rendering Tool for VIEWS Background: A tool for transforming point measurement data to a continuous surface would aid the analysis of VIEWS data and their comparison with other data from monitoring, emissions, satellite as well as with model results Proposal: We propose to incorporate spatial interpolation and rendering facilities into the Dvoy data access and browsing system. The Gridder/Contourer tool will be applicable to the spatial datasets in as well as from other monitoring networks. Budget: $15k Implementation and Status: The gridder/contourer technology has been developed at CAPITA over the past 15 years. Stefan Falke, who did his PhD dissertation on spatial extrapolation will lead the effort.

Spatial Interpolation and Rendering Spatial Interpolation Settings PM25 Conc. Grid PM25 Interpolate PM25 Conc. The spatial interpolation operator transforms a data table to a gridded map using nearby measurement data. The gridding and contouring of the selected data is done ‘on the fly’ by the user Point Rendering Contour Rendering

Gridding: Accounting for Data Density The advanced spatial interpolation algorithm accounts for the variations in point data density inherent in air quality monitoring networks. The resulting interpolated estimates are more representative of the urban and rural differences in air pollutant concentrations. Low Point Data Density High Point Data Density

Rendering: Rectangular, Contour, Lines Rectangular Grid Cells Contoured Grid Cells Contoured Grid Lines A flexible display rendering of gridded data will be implemented to accommodate different applications. The flexibility enables clearer presentation and easier comparison with other data.