Browsing by Author "Midttun, Lars"
Now showing items 1-20 of 48
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Application of acoustic stock abundance estimation on capelin and blue whiting
Nakken, Odd; Midttun, Lars (ICES CM documents, Working paper, 1972) -
Bunnfiskundersøkelser i Barentshavet vinteren 1977
Dalen, John; Midttun, Lars; Rørvik, Carl Jakob; Smedstad, Odd M. (Fisken og havet, Research report, 1977)This report describes the results from a survey on demersal fish in the Barents Sea from 16 January to 4 February 1977. The work was carried out by two vessels, R.V. "Johan Hjort" which covered the area from a line along ... -
Climatic variations in the Barents Sea
Midttun, Lars; Loeng, Harald (PINRO-IMR Symposium, Conference object, 1987)The eireulation system of the Barents Sea is described. Warm water flows into the sea from west and is gradually transformed into Artic waters flowing out from the sea, partly as surface currents, partly as dense bottom ... -
Climatic variations in the Barents Sea during the 1970`s
Loeng, Harald; Midttun, Lars (ICES CM Documents;1984/GEN:15, Working paper, 1984) -
Counting of fish with an echo-integrator
Nakken, Odd; Midttun, Lars (ICES CM documents, Working paper, 1968) -
Current measurements between the central and great banks in the Barents Sea
Loeng, Harald; Midttun, Lars; Sagen, Helge (Fisken og havet, Research report, 1994)The report sumarizes the results from current measurements carried out between the Central and Great Banks in the Barents Sea. The moorings were deployed in mid September 1991 and were recovered more than one year later. ... -
The development of acoustic instrumentation in fisheries research and commercial fisheries in Norway
Dragesund, Olav; Midttun, Lars (ICES CM Documents;1966/F:8, Working paper, 1966) -
The distribution of cod-haddock in the Central and South-Eastern Barents Sea, September - October 1958
Midttun, Lars (ICES CM Documents;1959/44, Working paper, 1959) -
En korreksjon til ekkoloddets dybdeangivelse
Midttun, Lars (Fisken og havet;1964 - Nr. 3, Research report, 1964)An echo sounder is adjusted for constant sound velocity, usually 1500 m/sec. Since the velocity of sound in the sea is varying with temperature, salinity and depth, a correction is necessary if accurate soundings are ... -
Formation of heavy bottom water in the Barents Sea
Midttun, Lars (ICES CM Documents;1984/C:17, Working paper, 1984)Formation of heavy bottom water through rejection of brine during ide freezing is a regular phenomenon in the Barents Sea, particular on the Novaya Zemlya shelf, but also observed in other shallow localities of the ... -
Kolmuleundersøkelsene våren 1981 med "G.O. Sars" og "Michael Sars"
Monstad, Terje; Midttun, Lars ([Toktrapport/Havforskningsinstituttet];, Working paper, 1981-06-30) -
Kolmuleundersøkelser med F/F "G. O. SARS" til Norskehavet 12. - 29. juni 1970
Blindheim, Johan; Jakupsstovu, Stein Hjalti; Midttun, Lars; Vestnes, Gudmund (Fisken og havet;1971 - Nr. 1, Research report, 1971) -
Kolmuleundersøkelser nordvest av De britiske øyer i mai 1975 og mars - april 1976
Jakupsstovu, Stein Hjalti; Midttun, Lars (Fisken og havet, Research report, 1977)The distribution and abundance of blue whiting were observed by direct hydroacoustic methods on the R.V. "G.O. Sars". In 1975 the area between St. Kilda and the Faroes was investigated. The best concentrations were ... -
Kolmuleundersøkelser nordvest for De britiske øyer i februar - mars 1972
Jakupsstovu, Stein Hjalti; Midttun, Lars (Fisken og havet;1972 - Nr. 2, Research report, 1972)On a cruise with the R.V. «G. 0. Sars» from 28 February to 26 March 1972 the distribution and abundance of blue whiting northeast of the British Isles were observed by direct hydroacoustic methods. The stock size was ... -
Kolmuleundersøkelser nordvest for De britiske øyer i mars - april 1973
Jakupsstovu, Stein Hjalti; Olsen, Kjell; Midttun, Lars (Fisken og havet, Research report, 1973)On a cruise with R. V. «G. O. Sars» from 12 March to 12 April 1973 the distribution and abundance of blue whiting northwest of the British Isles were again observed by direct hydroacoustic methods. It is concluded that ... -
Lodde- og polartorskundersøkelser i Barentshavet august-september 1970
Nakken, Odd; Blindheim, Johan; Dragesund, Olav; Hognestad, Per T.; Midttun, Lars (Journal article, 1971)In the period 26 August to 11 September a joint Soviet-Norwegian 0-group fish survey was carried out in the Barents Sea (ANON. 1970). During this survey observations were also made on the distribution and abundance of adult ... -
Lodde- og polartorskundersøkelser i Barentshavet august - september 1970
Blindheim, Johan; Dragesund, Olav; Hognestad, Per T.; Midttun, Lars; Nakken, Odd (Fisken og havet;1971 - Nr.3, Research report, 1971)In the period 26 August to 11 September a joint Soviet - Norwegian 0-group fish survey was carried out in the Barents Sea (Anon. 1970). During this survey observations were also made on the distribution and abundance of ... -
Loddeundersøkelser i Barentshavet i november-desember 1971
Jakupsstovu, Stein Hjalti; Midttun, Lars; Monstad, Terje; Nakken, Odd; Vestnes, Gudmund (Journal article, 1972)Relative echo abundance of capelin is given. Mainly young immature capelin was found in the area Thompson Ground - Southern part of the Sentral Bank. The population in the area between the Sentral Bank and the Skolpen Bank ... -
Loddeundersøkelser i Barentshavet i november- desember 1971
Jakupsstovu, Stein Hjalti; Midttun, Lars; Monstad, Terje; Nakken, Odd; Vestnes, Gudmund (Fisken og havet, Research report, 1972)Relative echo abundance of capelin is given. Mainly young immature capelin was found in the area Thompson Ground - southern part of the Sentral Bank. The population in the area between the Sentral Bank and the Skolpen ... -
Loddeundersøkelser i Barentshavet i november - desember 1971
Jakupsstovu, Stein Hjalti; Midttun, Lars; Monstad, Terje; Nakken, Odd; Vestnes, Gudmund (Fisken og havet, Research report, 1972)Relative echo abundance of capelin is given. Mainly young immature capelin was found in the area Thompson Ground — southern part of the Sentral Bank. The population in the area between the Sentral Bank and the Skolpen Bank ...