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NCAR Command Language and its Application with HDF and HDFEOS

NCAR Command Language and its Application with HDF and HDFEOS. Wei Huang, Dave Brown, Mary Haley, Rick Brownrigg , Dennis Shea, Adam Phillips. Quick Access to HDF and HDFEOS data with NCL

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NCAR Command Language and its Application with HDF and HDFEOS

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  1. NCAR Command Language and its Application with HDF and HDFEOS Wei Huang, Dave Brown, Mary Haley, Rick Brownrigg, Dennis Shea, Adam Phillips Quick Access to HDF and HDFEOS data with NCL NCL (NCAR Command Language) is an interpreted language designed specifically for scientific data analysis and visualization. Excellent file handling: Easy access to h4, h5, he, and he5. “ncl_filedump” can be used to check what is in a file quickly. “ncl_convert2nc” converts HDF and HDFEOS (and other) data to NetCDF file. Handling HIRDLS data NCL can process and visualize HIRDLS data. Below is a sample of O3 via OpenDap. Figure 1. Process and visualize HIRDLS data (Left O3, right the track) Figure 1a HIRDLS Time Series

  2. Figure 1b HIRDLS track OMI-Auro-L3 data A plot of O3 from OMI-Auro-L3 data via OpenDap. Figure 2 OMI-Auto-L3, O3 Column Amount

  3. Figure 3 Monthly Surface Reflectance (January) Figure 4 Radiactive Cloud Fraction

  4. HDF5 data Processing and Visualizing HDF5 dataset Figure 5 Blue (left) and Red (right) Reflectance from a HDF5 file Figure 6 Sea Surface Temperature (HDF5 with Compound data type) Reference: http://www.ncl.ucar.edu/Applications/HDF.shtml Contact: huangwei@ucar.edu

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