1. AERONET Web Data Access and Relational Database David Giles Science Systems and Applications, Inc. NASA Goddard Space Flight Center

2. AERONET Web Site Adheres to One NASA Portal format Adheres to One NASA Portal format Redesigned static and dynamic web pages Redesigned static and dynamic web pages Updated content and web links Updated content and web links Complies with US accessibility standards Complies with US accessibility standards http://aeronet.gsfc.nasa.gov http://aeronet.gsfc.nasa.gov

3. Overview AERONET Data Access AERONET Data Access Relational Database Relational Database

4. Overview AERONET Data Access AERONET Data Access Database Design Database Design Data Interface and Download Tool Data Interface and Download Tool Level 2.0 Climatology Level 2.0 Climatology Relational Database Relational Database

5. Database Design: Acquisition Measurements and Transmission Relay Transmission to Receiving Station Transfer Data via Internet Download and Transfer Data via Internet AERONET Server Web Interface“Demonstrat”

6. Main Database “Demonstrat” Web Database Processed Hourly Stored in binary format (Raw and Processed) Indexed Hourly Transferred hourly Stored in text format (Raw and Processed) Indexed hourly Converts satellite data into raw data files Calculates AOT and sky retrievals data using solar and radiance calibration data Scans database files Processing Software Converts binary files to text files Combines sky retrieval data into single files Scans database files Processing Software Database Design: Processing

7. Display Interface Time Selection Time Selection Site Selection Site Selection Map Interface Map Interface Text Interface Text Interface Additional Options Additional Options Site Type Site Type AOT Level AOT Level

8. Display Interface Time Selection Menu Time Selection Menu Display Aerosol Optical Depth Plots Display Aerosol Optical Depth Plots Direct Data Download Links Direct Data Download Links Additional Data Products Additional Data Products Almucantar Retrieval Products (AERONET) Almucantar Retrieval Products (AERONET) Satellite Images (AQUA/TERRA-MODIS, GOES) Satellite Images (AQUA/TERRA-MODIS, GOES) MPLNET MPLNET Back Trajectory Analyses Back Trajectory Analyses

9. Geographical Site Selection Geographical Site Selection Map Map Region, Country/State, and AERONET Site Region, Country/State, and AERONET Site Download Tool

10. Time Selection Time Selection AOT Products AOT Products Levels 1.0, 1.5, 2.0 Levels 1.0, 1.5, 2.0 Instrument number and wavelength information Instrument number and wavelength information Raw Radiance Data with calibration applied Raw Radiance Data with calibration applied Almucantar, Principal Plane (Polar), BRDF Almucantar, Principal Plane (Polar), BRDF Nakajima Almucantar Retrievals Nakajima Almucantar Retrievals SKYRAD.PAK Code SKYRAD.PAK Code

11. Download Tool Almucantar Retrievals (Dubovik) Almucantar Retrievals (Dubovik) Spherical, Spheroid Spherical, Spheroid Default Option Default Option Advanced Parameters Advanced Parameters Data Type Formats Data Type Formats All Points All Points Daily and Monthly Averages Daily and Monthly Averages

12. Download Tool Wait for Data Processing Wait for Data Processing Select “Accept” to download “zip” file Select “Accept” to download “zip” file

13. Level 2.0 Climatology Daily Average and Weighted Average Daily Average and Weighted Average Monthly Monthly Multi-Year Monthly Multi-Year Monthly Yearly Yearly Multi-Year Yearly Multi-Year Yearly

14. Level 2.0 Climatology AOT 500nm 870-440nm Angstrom

15. Data Access: Summary Update main database hourly; transfer full database weekly Update main database hourly; transfer full database weekly Provide visualization of AOT and other related products Provide visualization of AOT and other related products Access to download all available AERONET products Access to download all available AERONET products

16. Data Access: Future Work Modify web database software to accommodate new AERONET retrieval products Modify web database software to accommodate new AERONET retrieval products Integrate AERONET web site into BAMGOMAS Integrate AERONET web site into BAMGOMAS Develop climatology of retrieval products Develop climatology of retrieval products Develop flux data web interface Develop flux data web interface

17. Data Access: Future Work Possible multi-site download tool based on a geographic and text interface Possible multi-site download tool based on a geographic and text interface Possible radiative forcing AERONET product Possible radiative forcing AERONET product

18. Overview AERONET Data Access AERONET Data Access Relational Database Relational Database Background Background Design Design Example Example

19. Filemaker Pro: A Relational Database Filemaker Pro (FMPro) 6 Unlimited Filemaker Pro (FMPro) 6 Unlimited Provides dependable data storage Provides dependable data storage Interlinks databases to allow customizable data reports and forms Interlinks databases to allow customizable data reports and forms Performs complex sort and search procedures Performs complex sort and search procedures

20. Background: User Interface Supported Platforms Supported Platforms PC (Preferred) PC (Preferred) Mac Mac Unix Unix Web Accessible Web Accessible Internet Explorer (Preferred) Internet Explorer (Preferred) Netscape Netscape Mozilla Mozilla FMPro 6 Software FMPro 6 Software

21. Background: User Privileges Browse Records Browse Records Add/Modify/ Delete Records Add/Modify/ Delete Records Password Controlled Password Controlled Search Search Sort Sort

22. Design Aeronet ServerFileMaker Server FTP Updated hourly PCUNIX User Input Updated instantly HTTP WEB

23. Design Database Links Database Links Internal Internal External External Multi-link (Internal and External) Multi-link (Internal and External)

24. Design External Relational Links from AERONET Database Internal Relational Links Master Database Instrument Locations Location Data AERONET Locations AERONET Intercalibration Data AERONET Inventory Instrument Status Database Contact Data

25. Example: Instrument Status Database

27. Relational Database: Summary Provides reliable monitoring, storage, and tracking of operational activities, inventory, and contact information Provides reliable monitoring, storage, and tracking of operational activities, inventory, and contact information Improves accuracy and timeliness of AERONET web site metadata Improves accuracy and timeliness of AERONET web site metadata Allows user interactivity from multiple platforms, web browsers, and locations Allows user interactivity from multiple platforms, web browsers, and locations

28. Relational Database: Future Work Continue to integrate FMPro with AERONET database and web site Continue to integrate FMPro with AERONET database and web site Transfer legacy Excel intercalibration data to FMPro Transfer legacy Excel intercalibration data to FMPro Integrate additional calibration facilities (e.g., Spain, Australia, Canada, China) Integrate additional calibration facilities (e.g., Spain, Australia, Canada, China)