Hidrológiai Közlöny, 2021 (101. évfolyam)
2021 / 1. szám
2 Hidrológiai Közlöny 2021. 101. évf. 1. szám Hungarian Journal of Hydrology Journal of the Hungarian Hydrological Society Published quarterly Editor-in-Chief János Fehér Assistant Editors Éva Ács Károly KONECSNY László Nagy Copy Editor Lajos Szlávik Editorial Board Chairman András SzöllöSI-Nagy Editorial Board Members Éva Ács, Péter Bakonyi, Gábor Baranyai, Károly BAROSS, Péter Bíró, Tibor Bíró, János BOGÁRDI, Csaba BOZÁN, Géza CSÖRNYEI, Zsuzsanna Engi, János Fehér, László Fejér, József Gayer, Géza Hajnal, Márk Honti, István Ijjas, János JÓZSA, Zsuzsanna KerekesnÉ Steindl, Zoltán Kling, Károly KONECSNY, Kálmán KŐRIS, Sándor KOVÁCS, László Kuti, István Licskó, Veronika Major, Zoltán Melicz, László Nagy, Judit RÁKOSI, István RÁTKY, Pál Román, Ferenc Szilágyi, Lajos Szlávik, Péter Szűcs, János Tamás, Gábor Ungvári Publisher Hungarian Hydrological Society H-1091 Budapest, Üllői út 25., Hungary Phone: +36{l>201-7655; Fax: +36{1 >202-7244; Email: titkarsag@hidrologia.hu Web: www.hidrologia.hu Represented by: Lajos Szlávik, President of the Hungarian Hydrological Society Email: titkarsag@hidrologia.hu Advertising Secretariat of the Hungarian Hydrological Society H-1091 Budapest, Üllői út 25., Hungary Phone:+36<l>201-7655. Fax:+36{l>202-7244 Email: titkarsag@hidrologia.hu Indexed in Appl. Mech.; Rew. Chem.; Abstr. Fluidex;. Geotechn. Abstr.; Meteor / Geoastrophys. Abstr. Sei.; Water Res. Abstr. Index: 25374 HU ISSN 0018-1323 Contents János FEHÉR: Foreword ................................................................3 SCIENTIFIC PAPERS Tibor RÁCZ and Tamás KISELY: Half a century of the Hydraulic Engineering Department of the Hungarian Hydrological Society - thoughts on hydraulic engineering in Hungary..................................................................................5 Kálmán KŐRIS: The new Hungarian empirical flood calculation guide has been completed, the OVF-2020 ......... 13 Eszter Dóra NAGY and József SZILÁGYI: Revision of Wisnovszky’s equation by a comprehensive analysis of measured time of concentration and catchment morphological parameter values............................................. 19 István RATKY: Approximate determination of the minimum river length required for one-dimensional unsteady flow calculation. Part 2: A practical solution to the problem ......33 Balázs SÁNDOR, Gábor SZABÓ K., Géza HAJNAL: How irrotational is the sink vortex? ................................................43 Gabriella LÜKŐ, Péter TORMA, Tamás WEIDINGER, Tamás KRAMER: Wave-driven turbulent momentum exchange measurement and parameterization at the air-water interface of Lake Balaton .......................................52 Mariann SZILÁGYI, Krisztián HOMORÓDI, János JÓZSA, Tamás KRAMER: Wave modification by reed island - a numerical study.....................................................................61 Andrea SZABÓ, János TAMÁS, Attila NAGY: Evaluation of water application of precision irrigation system ..............74 OBITUARY Dr. László VERMES - Commemoration by Levente KARDOS and János FEHÉR .................................................80 Dr. György VITÁLIS - Commemoration by Lajos SZLÁVIK . 81 Dr. Janusz KINDLER - Commemoration by József GAYER ... 82 In memóriám VITUKI - Commemoration by János FEHÉR .... 83 Cover photo: Aerial view of the Kisköre Hydroelectric Power Plant with the fish ladder. (Source: KÖTIVIZIG)
