Weather & Climate
The next generation of high resolution weather prediction models will require very high level spatial and temporal continuity that only a combination of technologies is able to offer. Satellite observations, for global coverage, ground based instrumented networks, with high vertical and temporal resolution, will have to be interlinked.
Leosphere provides highly accurate wind and aerosol Lidars that perform 24/7 real-time measurements and high level data processing. Their network capabilities allow our customers connecting their equipments to their IT infrastructure and using the final data products useful for their application.
High-resolution wind data flow can help predict local severe weather and storm formation as well as generally improving weather forecasts. It enables priceless time to be won for warning populations and preserving human life.
Spurred on by volcanic ash disasters, Met agencies now need a definitive and unambiguous complement to satellite data and numerical weather forecasting models to identify, locate, characterize, and quantify upper clouds, aerosol plumes and volcanic ash clouds from near the ground up to top of the troposphere.
In parallel, there is also a growing interest at ICAO level to rely on Lidar networks for the monitoring of cloud cover and ash plume dispersion to ensure airspace safety.
Short term weather forecasting is extremely important for all economical activities impacted by weather and pollution, such as fog, haze, and other critical pollution events. It has been greatly improved thanks to the ability of Lidars to monitor highly accurately the first vertical layers of the atmosphere, which are uncovered by standard ground observations.
Consequently to growing impact of hazard events, Met agencies now need to monitor all meteorological and atmospherical parameters (wind, turbulence, clouds and aerosols, etc.) in order to prevent and give an efficient crisis management assistance to public authorities and private companies.
The latest IPCC report clearly highlights the impact of natural or anthropogenic based particles on the radiative balance. Aerosols also affect cloud properties, such as size and shape of droplets, influencing the water cycle. This could be a reason for the intensification of monsoons. That is why the goal of WMO members is today to build Lidar networks in order to feed climate models and databases with continuous PBL heights and profiles of optical atmospheric properties.
The same Lidar networks will help Met agencies to track the upper-air transport of these particles, as they may have a strong impact on the economy, the nature, and health. For example, the aerosols accelerate the melting of glaciers by darkening their surface, they damage electrical and transport infrastructure, and of course combined with local pollution worsen air quality.
Networks of Wind and Aerosols vertical or 3D scanning profilers will help to address all these environmental and societal issues.