TReSS ATMOSPHERIC OPTICAL REMOTE SENSING TRANSPORTABLEMOBILE PLATFORM - PowerPoint PPT Presentation

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TReSS ATMOSPHERIC OPTICAL REMOTE SENSING TRANSPORTABLEMOBILE PLATFORM

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Title: TReSS ATMOSPHERIC OPTICAL REMOTE SENSING TRANSPORTABLEMOBILE PLATFORM


1
 TReSS  ATMOSPHERIC OPTICAL REMOTE SENSING
TRANSPORTABLE-MOBILE PLATFORM
  • Pierre H. Flamant, Claude Loth
  • Juan Cuesta, Dimitri Edouard, Florian Lapouge
  • Lidar, Meteorology and Geophysics Team (LiMAG)
  • Laboratoire de Météorologie Dynamique

2
OPTICAL REMOTE SENSING PAYLOAD
  • Ground based platform easily transportable
  • All sky monitoring capability (but not
    precipitation reaching the ground !)
  • Lidar-radiometry Synergism
  • Mini-Lidar (designed built in house using off
    the shelf components)
  • 3 elastic back. channels 2 x 532 nm (total ?),
    1064 nm,
  • One Raman back. channel 607 nm, at night (day ?)
  • Sunphotometer (AERONET/PHOTON) 8 channels 340,
    380, 440, 500, 670, 870, 936 1020 nm
  • Pyranometer
  • IR radiometer (day/night) 9.5 11.5 µm, 2 FOV
  • Optical Depth Sensor (day/moon)
  • Web Cam monitoring clear or cloudy sky, cloud
    track wind

3
MINI-LIDAR
4
OBJECTIVES
  • Science Objectives
  • ABL dynamics, Aerosols life cycle and cloud
    interaction, cirrus life cycle, aerosols clouds
    Radiative properties,
  • AMMA in 2006 (African Monsoon)
  • Calipso A-Train Validation
  • Requirements
  • All sky monitoring capability (but no
    precipitation )
  • Turn key operation, Hands-off operation
  • Real time monitoring (on going)
  • Easy caring and low cost operation
  • Easy to transport for field experiments
  • High time resolution 10 sec averaging (or 200
    shots) about 50 m

5
LIDAR TIME SERIES (1/2)
Relative calibration using computed molecular
backscatter signals (radiosondes or analysis
6
LIDAR TIME SERIES (2/2)
Saharan dust
Saharan dust
Siberia/North American dust
7
TRANSPORTABLE-MOBILE PLATFORM
20sea container Adverse bad weather condition
Light Mobile Platform Fair friendly weather
condition
A dedicated hard wall mobile platform is under
purchase to be available for the CALIPSO
validation in France mid 2005
2 min to put up or down the mobile platform
equipped with TReSS remote sensors
Truck loaded with Mobile Platform ready to go
Truck and driver to be provided by École
Polytechnique But rental trucks are available in
case of schedule conflict
8
 TReSS  LEVEL 1 2 PRODUCTS
  • Mini-Lidar
  • Apparent Backscatter (normalized)
  • Depolarization ratio
  • Color Ratio
  • Cloud and Aerosol mask
  • Scene classification
  • Radiometers
  • Aerosol Optical Thickness (Visible and near IR)
  • Solar Flux (Direct Diffuse) / Shortwave
    atmospheric transmission
  • IR effective Radiance / Brightness temperature
  • Synergism
  • Cloud aerosols back.-to-extinction ratio
  • more, operational algos under development by
    Juan Cuesta
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