Ægir - 01.11.1979, Blaðsíða 20

1. tafla. Hlutfallslegur fjöldi loðnuseiða í hafinu umhverfis ísland í ágúst 1970 - 1979 og einkennandi ástand sjávar á norðurmiðum a
sömu árum.
Abundance estimates of 0-group capelin in 109 fish in lcelandic waters during the years 1970 - 1979. and the characteristics of thc
hydrographic conditions in North lcelandic waters during the same period.
Atl. sjór Pólsjór
SV-land V-land Dohrnb. N-land A-land .SM -land Alls Vor Vor Vetur
1970 3 5 1 2 0 0 [11] 0 X 0
1971 2 5 + 12 0 + [19] 0 X 0
1972 4 33 + 52 + + 89 X 0 0
1973 26 13 14 46 16 1 116 X 0 0
1974 + 44 26 57 7 0 134 X 0 0
1975 5 32 3 46 3 0 89 0 (X)0 0
1976 1 4 1 39 12 3 60 X X 0
1977 3 16 2 19 3 + 43 0 X X
1978 + 2 + 29 + + 31 0 X X
1979 2 17 4 25 + + 48 0 X X
Meðalhiti og meðalselta á mismunandi dýpi norðaustur af Langanesi.
Meðalhiti og meðalselta síðla vetrar (febrúar - mars) á mismunandi dýpi norðaustur af Langanesi 1969 - 1979. Athugunarsvaeðið cr
sýnt í (2). Sem fvrr skilur selta 34.79?» á milli svalsjávar og pólsjávar (skyggðu gildin). Pólsjávar gætir ekki jafn oft að vetri og sun't'
(talla í (2)). og ráða því sennilega veður og vetrarblöndun og meiri fjarlægð íss yfirleitt að vetri en að vori.
Temperature and salinity means within latitude 67-69°N. 11 - 15°W at different depths in February-March 1969 - 1979. Salit1'1.
shaded when below M.1%) (Polar Water).
Ár Dýpi m 0 20 50 75 100 150 200 300 400 500 600
1969 -1.54 -1.54 -1.57 -1.50 -1.32 -0.74 - - - - -
1970 -0.59 -0.59 -0.59 -0.48 -0.39 -0.21 -0.09 - - - -
1971 r— >/D ö U o -0.56 -0.57 -0.51 -0.44 -0.26 -0.15 -0.10 -0.06 - -0.37
1972 -0.11 -0.12 -0.11 -0.64 -0.08 0.13 0.14 -0.10 -0.26 - -0.42
1973 -0.07 -0.07 -0.19 -0.18 -0.21 -0.27 -0.26 0.00 -0.16 - -0.39
1974 -0.77 -0.82 -0.85 -0.60 -0.32 -0.09 -0.06 - - - -
1975 0.06 0.06 -0.03 -0.05 -0.05 -0.15 -0.06 0.14 0.04 -0.16 -
1976 -0.51 -0.50 -0.50 -0.50 -0.49 -0.56 -0.39 -0.22 -0.11 -0.11 -
1977 0.13 0.10 0.07 0.00 0.11 0.21 0.11 -0.14 - - -
1978 -0.03 -0.04 -0.06 - -0.13 -0.06 -0.03 0.07 -0.12 -0.21 -0.21
1979 -0.59 -0.60 -0.37 -0.32 -0.39 -0.37 0.53 0.09 -0.09 -0.37
1980
1969 34.62 34.61 34.61 34.61 34.63 34.74 - - - -
1970 .78 .78 .78 .80 .82 .85 34.87 - - -
1971 5%o .75 .76 .77 .78 .80 .84 .85 34.90 34.93 - 34,93
1972 .79 .79 .79 .79 .79 .85 .88 .92 .92 - .92
1973 .77 .76 .77 .78 .77 .81 ,86 .92 .92 - .92
1974 .72 .72 .72 .74 .79 .87 .92 - - -
1975 .78 .78 .79 .79 .80 .80 .84 .92 .93 34.93 -
1976 .73 .73 .73 .73 .73 .75 .77 .85 .90 .90 -
1977 .58 .58 .58 .63 .78 .80 .79 .90 - - -
1978 .58 .58 .59 .62 .73 .84 .90 .92 .92 .92
1979 .69 .69 .71 .71 .74 .78 .86 .91 .91 - .92
1980
648 — ÆGIR