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Giovanni
Giovanni is a Web-based application developed by the GES DISC that provides a simple and intuitive way to visualize, analyze, and access vast amounts of Earth science remote sensing data without having to download the data.
The table below shows our current Giovanni instances supporting Atmospheric Composition data:
| Giovanni Instance |
Data Parameters |
Visualization |
Mapping and Projections |
Aura MLS
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Level 2 MLS Data (Vertical Profiles of O3, ClO, CO, HCl, HCN, HNO3, NO, OH,
Geopotential height,
Water vapor, Temperature and
Relative humidity with respect to ice) |
Parameter Mixing Ratios and Std. Dev. vs. Pressure |
Line Plots (vertical profiles) |
| Aura OMI |
Level 3 OMI (TOMS-like ) and Level 2G Data (Total Ozone, Aerosol Index, Effective Surface Reflectivity)
Level 3 OMI NO2 and Level 2G Data (Total column NO2, and TRopospheric NO2), |
Display of Temporal and Spatial averages (2D maps); Time vs. Latitude and Time vs. Longitude maps (Hovmoller Diagrams); Time Series |
Cylindrical-Equidistant;
North Polar Stereo;
South Polar Stereo;
Robinson Projection
Line Plots (parameter vs. time) |
| UARS HALOE |
Level 2 HALOE Data (Vertical Profiles of O3, NO2, NO, HCl, HF, CH4, Water vapor, Temperature, and Aerosol) |
Parameter Mixing Ratios and Std. Dev. vs. Pressure or Altitude; Single or Multiple Sunrise or Sunset Events |
Line Plots (vertical profiles) |
| Aqua AIRS |
Level 3 Daily Global Gridded Data (Vertical Profiles of Temperature and Humidity, and Geopotential Height) |
Parameter vs. Pressure Line Plot; Lat-Lon Cross-section for a parameter at a user selected pressure level; Longitude (or Latitude) vs. Pressure Cross-section |
Line Plots (vertical profiles)
Cylindrical-Equidistant;
North Polar Stereo;
South
Polar Stereo;
Robinson Projections
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Earth Probe & Nimbus 7 TOMS
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Level 3 TOMS and OMI TOMS-like Daily Global Gridded Data (Total Ozone, Aerosol Index, Effective Surface Reflectivity, Erythemal UV Irradiance) |
Display of Temporal and Spatial averages (2D maps); Time vs. Latitude and Time vs. Longitude maps (Hovmoller Diagrams); Time Series |
Cylindrical-Equidistant;
North Polar Stereo;
South Polar Stereo;
Robinson Projection
Line Plots (parameter vs. time)
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| Aqua & Terra MODIS |
Level 3 MODIS Terra & Aqua and GOCART Model data (Global Gridded, Monthly Averages) Several parameters related to Aerosols and Cloud optical & physical properties |
Display of Temporal and Spatial averages (2D maps); Time vs. Latitude and Time vs. Longitude maps (Hovmoller Diagrams); Time Series; Comparison and Correlation of Different parmaeters (Aqua vs Terra or GOCART Model simulation)
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Cylindrical-Equidistant;
Line Plots (parameter vs. time)
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General Features of Giovanni:
Application Type:
Web / Interactive based;
Platforms:
Major
Web Browsers (e.g., Internet Explorer, Netscape)
Language:
Perl, GrADS
Ouput Format:
Parameter, Spatial and Temporal subsets (GIF, ASCII / HDF-EOS)
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Atmos Composition
