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Impact of missing precipitation values on hydrological model output: a case study from the Eddleston Water catchment, Scotland

Ruman S., Krpec P., Rusnok P., Black A. R., Trizna M., Ball T.

Acta Geophysica

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2020

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Vol. 68, no. 2

565--576

EN

A hydrological model was applied to select the best inflling method of missing precipitation (1) and to assess the impact of the length of deleted and flled precipitation data (2). The model was calibrated and validated using the hourly observed discharges from two gauges located in the outlet of the catchment (62.34 km2 ) and in the inner sub-catchment (2.05 km2 ). Precipitation from four gauges was spatially interpolated over the overall catchment, while the sub-catchment used the precipitation from one gauge. Four scenarios of diferent lengths of deletion within three high-intensity events were established in the data of this gauge. Three inflling methods were applied and compared: substitution, linear regression and inverse distance weighting (IDW). Substitution showed the best results, followed by linear regression and IDW in both scales. Differences between methods were signifcant only in 8.3% and 19.4% of all cases (sub-catchment and catchment, respectively). The impact of length was assessed using the substitution only and by comparing diferences in discharges and performance statistics caused by four scenarios. Higher diferences in discharges were found on the catchment scale compared to the inner sub-catchment and were insignifcant for all events and scenarios. The hypothesis that a longer length of deleted and flled data would lead to a greater error in discharges was wrong for 11.1% and 16.7% of all cases (sub-catchment and catchment, respectively). In several cases (33.4% sub-catchment, 27.1% catchment), the model produced better results using the time series with flled gaps compared to the confguration with observed data.

2

Uzawodowienie a planowanie uzupełnień mobilizacyjnych

Ruman S.

Kwartalnik Bellona

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2012

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Nr 2

119--133

PL

Autor omawia problem planowania uzupełnień mobilizacyjnych Sił Zbrojnych RP w warunkach pełnego uzawodowienia stanów osobowych oraz rezygnacji z obowiązkowych form służby wojskowej. Wskazuje, że we wszystkich krajach sojuszu północnoatlantyckiego są prowadzone w określonym zakresie przygotowania mobilizacyjne. Ocenia, że w naszym kraju w ramach profesjonalizacji armii nie podjęto odpowiednich prac nad znowelizowaniem systemu mobilizacyjnego oraz wypracowaniem rozwiązań systemowych, które zapewniałyby gromadzenie niezbędnych zasobów wyszkolonych żołnierzy rezerwy na potrzeby planowania uzupełnień mobilizacyjnych jednostek wojskowych. Autor analizuje obecnie zasoby żołnierzy rezerwy w poszczególnych korpusach kadry oraz perspektywy ich kształtowania się w odniesieniu do obecnych potrzeb mobilizacyjnych. Wskazuje możliwe rozwiązania w tej dziedzinie oraz problemy, jakie mogą się pojawić - zwłaszcza w modernizowanej logistyce - jeśli nie zostaną uwzględnione wymogi dotyczące potrzeb gromadzenia wyszkolonych zasobów żołnierzy rezerwy. Omawia również problem zaniedbań w szkoleniu mobilizacyjnym kadry Sił Zbrojnych RP na wszystkich szczeblach dowodzenia oraz przedstawia propozycje działań mających na celu wyeliminowanie wskazanych niedociągnięć.

EN

The author discusses the issue of additional mobilization planning in the Polish Armed Forces in a situation of a full professionalization and resignation from obligatory regular service. He indicates that in all NATO states the mobilzation process has been started. In the author's opinion, Poland has not started proper activities to update its mobilzation system and develop some system solutions capable of producing reserve soldiers' database for additional mobilization. The author also analyzes present resources of soldiers in reserve for particular military units or professional staff. He suggests some possible solutions in this aspect and problems to be encountered if certain requirements are ignored. He further discusses a problem of neglecting mobilzation staff training at all levels of command, and presents his proposals on how to eliminate indicated failings.

3

Profesjonalizacja sił zbrojnych : na przykładzie wybranych państw

Ruman S

Zeszyty Naukowe AON

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2008

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nr 2(71)A Numer specjalny

55-69

EN

The paper presents selected information relating to armed forces’ professionalization in some countries (Denmark, Germany, Spain, Latvia, Slovakia, and Great Britain) with whom the members of the Team for Issues Concerning Armed Forces' Professionalization at the Polish Army General Staff carried out consultations while developing solutions in this area. Only those aspects were discussed which are characteristic for a given country, but at the same time are an interesting point of reference for Polish solutions for our armed forces' professionalization.