RETRIEVAL OF ATMOSPHERIC BOUNDARY LAYER HEIGHT BY CSIR-NLC MOBILE LIDAR, PRETORIA (25.5°S; 28.2°E), SOUTH AFRICA Prof. Ven...
 
© CSIR  2008  www.csir.co.za
System 3-D View
System Block Diagram
© CSIR  2008  www.csir.co.za It’s safe, person can walk  around even when the laser is in operational.
© CSIR  2008  www.csir.co.za Initial Tests
Signal to Noise
© CSIR  2008  www.csir.co.za 0-16 km Upto  50 km 26 – 29  km 2-3 km
Preliminary Results 23 Feb 2008
Height profile of range corrected LIDAR signal returns and the illustration of detection of Boundary Layer by slope method.
Height-Time-Color map of LIDAR signal returns (arb.unit) for 10 August 2010.  The figure is overlapped by the determined b...
First “Lidar Field Campaign” <ul><li>First 23-hour continuous measurement at University of Pretoria </li></ul>
Height-Time(diurnal)-Color map of LIDAR signal returns (arb.unit) for 16-17 October 2008.  The figure is overlapped by the...
LIDAR measurements at Elandsfontein
01-02 December 2010
 
 
SANOX – Campaign Expt. 23-27 May 2011 23-24 May 2011 24 May 2011 27 May 2011
© CSIR  2008  www.csir.co.za Our future   scientists
© CSIR  2008  www.csir.co.za Where does it go ? How does it impact ?
Schematic view of the planned LIDAR system with Scanner
Initial result from 2-Channel (532 nm and 355 nm)
 
 
Thank You
 
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RETRIEVAL OF ATMOSPHERIC BOUNDARY LAYER HEIGHT BY CSIR-NLC MOBILE LIDAR, PRETORIA (25.5° S; 28.2° E), SOUTH AFRICA

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  • Collaboration between the two teams, not only on research but also on natural resources.
  • RETRIEVAL OF ATMOSPHERIC BOUNDARY LAYER HEIGHT BY CSIR-NLC MOBILE LIDAR, PRETORIA (25.5° S; 28.2° E), SOUTH AFRICA

    1. 1. RETRIEVAL OF ATMOSPHERIC BOUNDARY LAYER HEIGHT BY CSIR-NLC MOBILE LIDAR, PRETORIA (25.5°S; 28.2°E), SOUTH AFRICA Prof. Venkataraman Sivakumar CSIR - National Laser Centre svenkataraman@csir.co.za [email_address]
    2. 3. © CSIR 2008 www.csir.co.za
    3. 4. System 3-D View
    4. 5. System Block Diagram
    5. 6. © CSIR 2008 www.csir.co.za It’s safe, person can walk around even when the laser is in operational.
    6. 7. © CSIR 2008 www.csir.co.za Initial Tests
    7. 8. Signal to Noise
    8. 9. © CSIR 2008 www.csir.co.za 0-16 km Upto 50 km 26 – 29 km 2-3 km
    9. 10. Preliminary Results 23 Feb 2008
    10. 11. Height profile of range corrected LIDAR signal returns and the illustration of detection of Boundary Layer by slope method.
    11. 12. Height-Time-Color map of LIDAR signal returns (arb.unit) for 10 August 2010. The figure is overlapped by the determined boundary layer height (Black: statistical based on range corrected signal, Pink: slope method) Temporal evolution of difference in detected boundary layer height.
    12. 13. First “Lidar Field Campaign” <ul><li>First 23-hour continuous measurement at University of Pretoria </li></ul>
    13. 14. Height-Time(diurnal)-Color map of LIDAR signal returns (arb.unit) for 16-17 October 2008. The figure is overlapped by the determined boundary layer height (Black: statistical based on range corrected signal, Pink: slope method) Temporal evolution of difference in detected boundary layer height.
    14. 15. LIDAR measurements at Elandsfontein
    15. 16. 01-02 December 2010
    16. 19. SANOX – Campaign Expt. 23-27 May 2011 23-24 May 2011 24 May 2011 27 May 2011
    17. 20. © CSIR 2008 www.csir.co.za Our future scientists
    18. 21. © CSIR 2008 www.csir.co.za Where does it go ? How does it impact ?
    19. 22. Schematic view of the planned LIDAR system with Scanner
    20. 23. Initial result from 2-Channel (532 nm and 355 nm)
    21. 26. Thank You

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