6 
S. Schwegmann & J. Holfort: Baltic sea ice volume 1982-2019 
Meteoro}. Z. (Contrib. Atm. Sei.) 
PrePub Article. 2020 
Karts txxg 
Luleá 
Pilei 
Hudiksvall 
SOderhamn 
Husum 
üldsvik 
0 
■Moss 
Stromstad 
Oregrund 
vasteris 
Stockholm 
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afungen Máseskar 
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Legs tar 
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A 
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iraké. 
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Jan SST Trend 
•ay 
«-0-2 
^B -OJO--0.15 
Bi -0.15--0,10 
I I -0.10 - -0.025 
HU -0.025 - -0.01 
I I -0.01 - 0.01 
I I 0.01 - 0.025 
I I 0.025 - 0.05 
Bi 005 - 0,10 
■B 010-0J0 
^B 0.20-0.85 
5r 
Кот. 
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P* oi 
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jungen Miseskar 
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csoj^rg к • 
Vyborg ‘ • наЯВЯйрЬппе 
Arkona _ 
• Rozewle 
Ь«.. Н>Г, *“ а »сот» 
Feb SST Trend 
•Oy 
^B °0 -2 
^В -OJO - -0.15 
-0.15 - -0,10 
1 -0.10 - -0.025 
□ -0.025 - -0.01 
I I -0.01 - 0.01 
I I О01 - 0.025 
I I 0.025 - 0.05 
Bi 0.05 - 0,10 
■В О.Ю-0.20 
^В 0.20-085 
к ГО wo 
К* 1 "»“«. Кит» 
Lulei. 
Pit ei. 
Oulu 
BJurökkibb* 
Umei 
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Stromstad 
Hudiksvall 
SOderhamn 
Oregrund 
Vasteris. Sane 
st ockholm 
OxelOsund 
Norrtcöping C 
Rahia 
Pietarsaari 
Vaskiluoto 
Yttergrund 
Kotka йй» 
•Turku KWV0 °. 
Martehamn ^ Lov11 “ 
Porvoo. 
•Helsnki 
St. Petersburg 
Narva 
,'Gottk.SOT» 
Miseskar 
. G4Wxx " va.te.vik- 
Oskarhamn 
Log star 
.Skrve .Anholt Haims tad Kalmar. Coburg- 
•Visby 
Seuec' 
RingkObiQg Jtullen 
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c.KiZr» Kebenhavn. Malmö 
tsoj^rg kr.r--«# ' 
Nyborg" ‘ • НапСЙЙ\Як‘ 
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Aspo 
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Hamburg 
Rozewle 
. ‘Ms«' 
Kolobrzeg 
Kafcningrad 
Mar SST Trend 
•Oy 
H «-0.20 
H -0-20 - -4.15 
-0.15 - -0,10 
] -0.10 - -0.025 
□ -0.025 - -0.01 
I I -0.01 - 0.01 
I I 0.01 - 0.025 
BU 0.025 - 0.05 
Bi 0.05 - 0,10 
IB Olio-0J0 
ЩЩ 0.20-0.85 
=f= 
К«““». Кот. 
Lulei. 
P<oi. 
Oulu 
Oregrund 
Vasteris Senpnor 
Ingi 
.^Moss 
Stromstad 
ft 
Stockholm 
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|rtcöping' € 
„кот,.«®» 
• 'Lovusa 
St Petersburg 
Narva 
Logstar 
Gain Sot». 
Miseskar 
Göteborg Vastwvik . 
Oskarhamn 
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^ / f 
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- 
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m 
¡* . . -кот. 
Apr SST Trend 
•Oy 
H <-0.20 
H -0-20 - -0.15 
^B -0.15 - -0,10 
I I -0.10 - -0.025 
-0.025 - -0.01 
I I -0.01 - 0.01 
I I 0.01 - 0.025 
I I 0.C2S - 0.05 
^B 0.05 - 0,10 
Bi 0.W-0J0 
HI 0J0-0.85 
Figure 5: Trend in monthly sea surface temperature for the period 1982 to 2011. Red colors show a positive trend in SST, blue colors 
a negative trend.