Integrated use of Albedo (reflectance / optical brightness) data in the Aratos Disaster Control natural disaster management system

05 June 2017

ADC now includes a new service: Daily updates of Albedo (reflectance / optical brightness) of the Earth's surface as received from Eumetsat satellites. Surface Albedo is measured as ratio of radiation reflected to the radiation incident on a surface. Albedo values shown on the ADC’s map interface are normalized between ​​0 and 1 over areas of 3 square kilometers.

The "classic" example for the effect of Albedo is the interaction between snow and temperature. If the temperature on a snow-covered area rises and the snow melts, the Albedo is reduced, more sunlight is absorbed, and the temperature tends to rise more. The reverse is also true: if snow is formed on an area, a cooling cycle begins. The intensity of the effect of Albedo depends on the magnitude of its change and the amount of solar radiation flow; for this reason, Albedo can reach very high values in the tropics.

Aratos Technologies has created the integrated system of natural disaster management Aratos Disaster Control (ADC). The system is designed for crisis management situations and is used as an ideal tool for depicting and monitoring hazards as well as assessing the damage after the crisis.

The system can detect the progress, almost in real time, as well as the history of past natural disasters (fires, earthquakes, landslides, etc.) for the user's area of interest and present the data in an interactive geographical map (GIS), 24x7.

ADC consists of an amalgam of various technologies such as satellite images and data as well as GNSS signals (Global Navigation Satellite System), which are combined in an integrated architecture, and delivers processed, meaningful information to the user and alerts via sms and emails.

We continue to innovate in space technologies since 2005.

Contact Info

  

Aratos Technologies S.A. 

  • Patras, Athens
  • +30 210 94 000 33
  • +30 210 94 000 33
  •  info[at]aratos[dot]gr

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