Browsing Geophysical Institute by Author "Christensen, Kai Håkon"
Sperrevik, Ann Kristin; Christensen, Kai Håkon; Röhrs, Johannes (Copernicus, 2015-03-11)Assimilation of high-frequency (HF) radar current observations and CTD hydrography is performed with the 4D-Var analysis scheme implemented in the Regional Ocean Modeling System (ROMS). We consider both an idealized case, ...Journal article
Sperrevik, Ann Kristin; Röhrs, Johannes; Christensen, Kai Håkon (Wiley, 2017)Using four-dimensional variational analysis, we produce an estimate of the state of a coastal region in Northern Norway during the late winter and spring in 1984. We use satellite sea surface temperature and in situ ...Journal article
Taskjelle, Torbjørn; Barthel, Knut; Christensen, Kai Håkon; Furaca, Noca; Gammelsrød, Tor; Hoguane, Antonio Mubango; Nharreluga, Bilardo (Elsevier, 2014-09-26)Alongshore flows strongly driven by tides and waves is studied in the context of a one-dimensional numerical model. Observations from field surveys performed in a semi-enclosed lagoon (1.7 km×0.2 km) outside Xai-Xai, ...Journal article