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av växtplankton Bilder av växtplankton/picoplankton tas med hjälp av en kamera kopplat till mikroskop. Alternativt med ett instrument som automatiskt tar tusentals bilder från en viss vattenvolym (t.ex. FlowCam, Imaging FlowCytobot). Bilder av säl Förekomsten av vikare (Ringed seal), gråsäl och Last updated: Oct 17, 2019

travel at a speed of 31 m/s or 112 km/hr. A seiche is a standing wave that occurs in lakes and semi-enclosed seas like the Baltic. The wave length for the oscillation in the Baltic Sea between the Bothnian Bay and the Southern Baltic is twice the distance, i.e. 4000 km. The average depth of the global Last updated: Apr 23, 2014

This report details the results of an investigation into hydrographic and hydrochemical conditions over ten offshore banks around the coast of south Sweden. Four of these banks are situated in the Kattegat. The remainder lie in the southern and western Baltic Proper. The investigation included Last updated: Apr 23, 2014

irradiance modelling, satellite retrieved cloudiness, atmospheric transmittance, cloud transmittance Supplementary notes/Tillägg ISSN and title/lSSN och titel N umber of pages/ Antal sidor 11 0347-2116 SMHI Reports Meteorology Climatology Report available from/Rapporten kan köpas från SMHI S-601 76 Last updated: Apr 01, 2020

HIROMB HIROMB (High Resolution Operational Model for the Baltic Sea) is the ocean circulation model used operationally at SMHI. HIROMB forecasts sea level, currents, salinity, temperature, ice thickness, ice concentration and ice drift. HIROMB covers the entire Baltic and North Sea as far west as Last updated: Apr 23, 2014

Last updated: Oct 26, 2021

Last updated: Oct 26, 2021

We compare the ensemble mean against observations of sea-ice in addition to temperature and precipitation over land areas that enclose the Arctic basin. The predictions are evaluated separately for summer and winter. The skills of the decadal predictions are assessed by combining the results from Last updated: Mar 20, 2017

spread of algal blooms during the expeditions of R/V Aranda. To increase the sampling frequency, oceanographic measuring buoys are also used in the Baltic Sea and Kattegatt/Skagerrak, profiling floats, and a so-called Ferrybox system on the cargo ship TransPaper. Bio-optical sensors provide new methods Last updated: Sep 26, 2022

SMHI is involved in many work packages of the project, but the Research and Development Department is mainly involved in creating a more than 20 years long (1989-2012) reanalysis for the Baltic Sea and the North Sea. In a reanalysis, the data from observations and a model are blended in an Last updated: May 03, 2018