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The TerraMA² computational platform was developed to fill a gap in our line of products based on innovative technologies using open source software, with extensive use of the TerraLib geographic library, as well as meet a growing demand for applications to monitor, analyze and issue early warnings related to air quality, water quality, pipelines, tailings dams for mining, forest fires, landslides and debris-mud flows, floods and droughts.

These applications require platforms that integrate geographic services and modeling based on access to real-time geo-environmental data (meteorological, climatic, atmospheric, hydrological, geotechnical, socio-demographic, etc..), which are available on servers connected to the Internet allowing data to be read, processed and used to various applications.

Therefore, the TerraMA² i platform s a computational system based on a service-based architecture, which is open and provides the technological infrastructure required to develop and implement operating systems to monitor early warnings of environmental risks.

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Description

Who operates the platform ?

TerraMA² is intended for presenting an operational system to monitor warnings of environmental risks . The system searches for current data by means of the internet and incorporates them to its database. Comparing risk maps or some defined model, these recent data are analyzed for verification of risks. An alert is then created for each risk situation, and warning notifications are issued for all users.

The warning system operation requires the access to current observation and prediction data, besides the availability of risk maps of the areas observed o mathematical models which define these risks. It also requires two user levels, divided into:

  • System Operators: system operators are organizations which monitor any possible occurrence of natural disaster. They are responsible for the configuration and Administration module by means of an interface which enables to define the access to remote data, risk maps, additional plans, analysis, users, and bulletins.
  • Warning Clients: warning clients are agents able to execute preventive actions to decrease losses in case of disaster. They are responsible for accessing the warning module by a presentation interface which uses an internet navigator.

Database

All data necessary to operate the system include:

  • Dynamic data: informs about the condition of the variables obtained in pre-determined time intervals.
  • Static data: contains information about pre-conditions necessary to cause a disaster. The updating of statistic data must be done whenever a pre-condition is changes or the model of disaster occurrence is updated.
  • Additional data: other information to assist in the search for risk areas and populations, or equipment vulnerable to the disaster analyzed.

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