Wstęp do metody rangowania potrzeb konserwacji urządzeń melioracyjnych

This work presents the initial conception of conservation ranking of melioration watercourses and channels according to CNC algorithm. Catchment area, percentage of arable area in considered part of watercourse area, as well as the period which passed from the last conservation works have been considered as main factors which have a significant impact on need of conservation work carriage. Presented here evaluation with CNC algorithm facilitates a classification of different watercourse area and carry through possible conservation work in low financial abilities. Very important is further development of conception of algorithm ranking and necessity of conservation steps. It is necessary to perform much more detailed analysis Wstep do metody rangowania potrzeb konserwacji urządzen melioracyjnych Tom 11. Rok 2009 779 of magnitude of algorithm and include other possible factors influencing necessity of performing conservation. Larger amount of data concerning watercourse area will allow for further development of this method and the sensitivity of algorithm to different factors. Initial analysis of obtained results indicates that the main impact on conservation work necessity have catchment area. The results also indicate that in the watercourses of small catchment, the catchment coefficient doesn’t need to have deciding role on the ranking results. Besides the ranking of conservation need grows significantly according to the growth of arable area in analyzed each partial catchment as well as to the period which passed from the last conservation work carriage. If catchments with large area were conserved recently, the need of carrying through conservation one more time was not significant according to CNC algorithm. Proposed here method is functional for performing one of three main problems in “Strategia gospodarki wodnej” [13]. This problem concerns cost of water management, as well as financial needs. Proposed method is also an attempt to solve other problem: protection of environment mentioned in “Program operacyjny infrastruktura i środowisko” [12].