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Geodesy in Croatia, 2015-2018: Report submitted to the International Association of Geodesy of the International Association of Geodesy and Geophisics

Croatia was admitted to the International Union of Geodesy and Geophysics (IUGG) soon after gaining independence: its membership status had been provi­ sionally granted by the IUGG Executive Committee already in 1992 and the status was ratified by the IUGG Council at the meeting held in Boulder in 1995. From the beginning, the Croatian Academy of Sciences and Arts was the adhering organization, which supervised the election of members of the Croatian Committee of Geodesy and Geophysics . After being admitted to the IUGG, Croatian geo­ desists and geophysicists took part in the activities of IUGG associations and in the general assemblies . Moreover, they prepared reports on their work, covering four intervals: 1991–1994 (Geofizika, 11, 1994), 1995–1998 (Geodetski list, 53, 1999), 1999–2002 (Geofizika, 18/19, 2001/2002) and 2011–2014 (Geofizika, 32, 2015) . With this report, the practice of informing the IUGG community on Croa­tian geodetic and geophysical measurements and investigations is continued .In the following pages, the work carried out between the years 2015 and2018 by Croatian scientists, active in geodesy and in five geophysical disciplines (geomagnetism and aeronomy, hydrology and physical limnology, meteorology, physical oceanography and seismology), is documented. The report confirms that Croatian geodesists and geophysicists represent a vibrant part of the sci­ entific community: most often their findings are relevant for Croatia and some­times their results and methodological improvements turn out to be useful to colleagues working in other countries . Moreover, the report reveals that the activities of Croatian scientists have expanded recently . Thus, for example, hydrological measurements and modelling have been extended so as to include the Plitvice Lakes – a world­ famous system of sixteen cascading lakes that are subjected to a considerable anthropogenic pressure . Physical oceanographic investigations have been related more closely than before to meteorological studies, with the aim of addressing generation of meteotsunamis and storm surges in the Adriatic Sea and in some other basins . Finally, seismologists and geodesists have strengthened their cooperation, aiming at a combined use of in situ and remotely sensed data in the analysis of seismicity and tectonics of the region . The expansion was apparently stimulated by an improved access to international scientific projects, which supplement the relatively modest na­tional funding of research activities . It is to be hoped that international col­ laboration of Croatian scientists will further intensify in the future and that the IUGG- related activities will contribute to the intensification.

Geophysics ; Geodesy

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