Vízügyi Közlemények, 2004 (86. évfolyam)

3-4. füzet - Konecsny Károly: A felső-tiszai közös magyar-ukrán vízrajzi távmérő rendszer egy éves üzemelésének értékelése

A felső-tiszai közös magyar-ukrán vízrajzi távmérő rendszer egy éves üzemelésének ... 565 Császárszállás) and one in Ukraine (Huszt). For the station Pláj, located at high elevation, the comparison of some suspiciously low temperature (sometimes falling below -15 °C) to the data measured manually and by the other station indicated an error (Figure 7). We have developed a simple numerical scoring system for the objective evaluation of the operation of the hydro-telemetric stations. The largest score is 50 point and it is applied to the parameter of the reliability of the data transmission procedure. The accuracy of the water level data, investigated via the comparison of the telemetric and traditionally metered data, was evaluated on the basis of the average of the mean deviations, the maximum deviation, the number of days with more than 10 cm deviation and on that of the variance of the data. For these parameters the highest achievable total score was also 50 points (Table III). The classification of the stations was as follows: excellent -71-100 points; good - 51-70 points, acceptable - 31-50 points; and poor is below 30 points. In the period investigated (October 2003 - October 2004) 15 stations (out of the 28) operated excellently, 7 got "good", 4 was "acceptable" and 2 fell into class "poorIt can be stated that more than two-third of the stations operated well or excellently from the point of view of water level gauging (Table IV). The development of the system continues. In 2005 further 8 hydrometric (HPT), 5 hydrometeorological (PT) stations were built (Table V) in the framework of the Programme TACIS of the EU. In the framework of the development programme DANCEE further 3 hydro-telemetric stations will be built a total of 16 new stations in addition to the existing 20 ones. Development works are also under way in Romania in the framework of programmes PHARE -CBS (Flood prevention in the Upper Tisa River Basin) and DESWAT (Destructive Water Abatement and Control of Disasters). In the framework of these development programmes 43 hydro-telemetric stations will be established in the catchments of the rivers Visó, Iza, Túr, Kraszna and Lápos. (Table VI). In the Romanian part of the River Szamos (Somes) no hydro-telemetric developments are planned yet. For the future we proposed the following development priorities: - Secondary data transmission lines should be installed in order to avoid the loss of data; - Data generated by telemetric systems other than those of the Water Service should be also integrated into the Hungarian-Ukrainian hydro-telemetric system; - Installation of further telemetric stations at water courses that do not have one yet; - More stations for hydrometeorological and groundwater level measurements are needed; The Romanian network of stations should be connected to the Hungarian-Ukrainian hydro-telemetric system; - An international data base should be established in addition to the existing national ones, ensuring digital data exchange among the countries (Figure 8); - There is a need for creating an archive databank; In general, the hydro-telemetric system shall be able to measure all those data, which are needed for the running of the current hydrological forecasting models and also those sophisticated versions that will be developed in the future.