Resumo:
Brazil, the country with 12% of the available fresh water in the planet, has
considered the water resource management a very important tool . This management includes the
collection of hydrological data of watersheds and nowadays an integrated water resources
management.
For an efficient water resouses management, efficient data acquisition systems are
required to store, control, consolidate, and distribute hydrometeorological data.
Hydrometeorological data are obtained through conventional and telemetric
stations that have been installed in the whole country. Convencional data has been consisted by
the National Hydrometeorological Network operators and managers before it goes to the data
bank. Telemetric data have been consisted manually.
Telemetric data has been transmitted on-line, thus automatic quality control
system are required in order to guarantee that the data used for monitoring and for real time
forecast system are consistent. If inconsistent data are used without any kind of Teste, a decision
based on this forecast and monitoring can be mistaken.
A Quality Control System for Telemetric Hydrological Data was proposed to
validate and consolidate data from telemetric stations of National Water Resouses Agency –
ANA. The hydrological stations use a satellite system to transmit the information. The satellites
that have been used are the Data Collections System – SCD from National Institute of Space
Research – INPE. This system was tested in Tocantins basin stations.
The stations are installed in places where hydrologic response are fast and slow,
and this was very important to test the proposed system, showing an efficient tool for water level
quality control. Quality control for rain data needs more calibration though. Thus it will be
necessary more studies in order to improve the System.
