Baltic Sea

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Salt (t) 2.5 2 1.5 1 0.5 0 −0.5 −1 −1.5 −2 −2.5 x 10 11 Cumulative salt load through Stolpe Channel − 5−day means pos and neg pos neg 11/10/02 23/02/04 07/07/05 19/11/06 02/04/08 15/08/09 Date (dd/mm/yy) (a) 2002 −2009 Salt (t) 3 2 1 0 −1 −2 −3 x 10 10 Cumulative salt load through Stolpe Channel − 5−day means pos and neg pos neg 03/05/06 22/06/06 11/08/06 30/09/06 19/11/06 08/01/07 27/02/07 18/04/07 Date (dd/mm/yy) (b) May 2006 −March 2007 1 x 10 10 Cumulative salt load through Stolpe Channel − 5−day means pos and neg pos neg 0.5 Salt (t) 0 −0.5 −1 20/09 30/09 10/10 20/10 30/10 09/11 19/11 29/11 09/12 19/12 29/12 Date in 2006 (dd/mm) (c) September to December 2006 Figure 5.8: Cumulative positive (eastward, red), negative (westward, blue) and both positive/negative (black) salt load (t) through Stolpe Channel at 17.5 ◦ E for whole water column. Note, scales between plots dier. 118
10 3 Regional Wind 7 Power Spectral Density 10 2 10 1 10 0 1 2 3 4 5 6 1=2.3 days 2=2.6 days 3=2.9 days 4=3.7 days 5=5.5 days 6=7.3 days 7=22 days 10 1 10 0 10 1 10 2 Period (day) Figure 5.9: Power spectrum of averaged wind 38. 10 4 SFN along shelf−component vertical mean between 65−71m 10 3 SFS along shelf−component vertical mean between 52−71m 10 3 10 2 1 2 3 4 5 10 2 10 1 3 1 2 4 5 6 Power Spectral Density 10 1 10 0 10 −1 10 −2 1=2.9 days 2=4.0 days 3=6.3 days 4=11.0 days 5=22.1 days Power Spectral Density 10 0 10 −1 10 −2 10 −3 1=2.9 days 2=3.1 days 3=3.7 days 4=5.3 days 5=10.7 days 6=21.9 days 10 −3 10 −4 10 −4 unfiltered 12h low−pass filter daily 10 −5 10 −2 10 −1 10 0 10 1 10 2 Period (day) 10 −5 unfiltered 12h low−pass filter daily 10 −6 10 −2 10 −1 10 0 10 1 10 2 Period (day) A B Figure 5.10: The Stolpe Channel: Power spectra of the along-slope vertical mean currents of (A) SFN (between 65-71 m) and (B) SFS (between 52-71 m) for a period from 23 September to 19 December 2006. 119
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No 88 2012 Spatiotemporal Scales of
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Meereswissenschaftliche Berichte MA
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Abstract The Baltic Sea is surround
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Contents Abstract Contents List of
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Acknowledgement 109 Appendix 111 vi
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M-7/M-8 Mesodyn hydrographic snapsh
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List of Figures 1.1 Baltic Sea - ba
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4.32 Regression sea level dierence
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1. Introduction 1.1 Investigations
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circulation above topographic anks
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58 o N 190 230 210 100 75 100 100 7
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y 'new' deep water. For instance, i
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events. During and after such event
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this inow event was classied as 'mo
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Scale (PSS-78), roughly by 0.5%, as
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(Acoustic Doppler Current Proler) a
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for the southernmost zonal section
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whereas the length of the NE time s
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have a thickness of only 1.5 m in o
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dependent salt volumes for the deep
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7 6.5 a Temperature ( o C) 6 5.5 5
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Potential Temperature ( o C) 8 7 6
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inowing waters masses with variable
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following these bounds will be used
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60 80 100 −45 −50 −55 Pressur
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Monitoring Station BMP271 60 80 100
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Date 31.8.1997, 03.11.1997, 03.11.1
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190 a 200 Depth (m) 210 220 230 240
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Date (ID) 〈S〉 V (g/kg) 〈θ〉
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deviation of the temperature uctuat
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4. The Deep Circulation in the EGB
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Depth (m) 50 100 150 200 17 16 4.6
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For this reason, the displayed temp
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6.4 6.3 178 m 208 m 223 m Daily Tem
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The deep parts of the basin are exp
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On the 29 September 2006 between 60
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In the geostrophic balance horizont
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captured eastward velocities up to
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Figure 4.11: Modelled current veloc
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SFS and SFN. At the southern ank a
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Mean Volume Transports Mean Volume
Page 83 and 84: 160 170 180 Volume of EGB below 170
Page 85 and 86: Basin 55.9 ◦ N. From there the bo
Page 87 and 88: Volume transports (km 3 /d) 15 10 5
Page 89 and 90: Gdansk Basin happened a few weeks e
Page 91 and 92: needs some explanation, since the l
Page 93 and 94: and Fig. 4.24 and displayed in Tabl
Page 95 and 96: Salt (t) 8 6 4 2 0 2 4 6 8 x 10 10
Page 97 and 98: Time Period Stolpe Channel at 17.5
Page 99 and 100: Modelled volume transport through S
Page 101 and 102: discovered that most of the varianc
Page 103 and 104: to the right (perpendicular) to the
Page 105 and 106: of salty and often well oxygenated
Page 107 and 108: Depth (m) 40 45 50 55 60 4 3 2 1 0
Page 109 and 110: a correlation coecient of R=-0.68 a
Page 111 and 112: 5. Discussion and Conclusions 5.1 D
Page 113 and 114: graphic cross-sections, conducted i
Page 115 and 116: direction as the wind. The deep lay
Page 117 and 118: Bibliography Axell, L. B., 1998: On
Page 119 and 120: Griffies, S. M., R. C. Pacanowski,
Page 121 and 122: Matthäus, W., 1993: Major inows of
Page 123 and 124: Rubio, A., D. Gomis, G. Jordà and
Page 125 and 126: Zhurbas, V., I. Oh and V. Paka, 200
Page 127 and 128: Appendix Current speed and directio
Page 129 and 130: Current speed and direction (cm/s)
Page 131 and 132: 2 1.5 1 Cumulative volume through S
Page 133: Volume (km 3 ) 2.5 2 1.5 1 0.5 0
Page 137 and 138: NE along−slope at 178m 10 2 10 1
Page 139 and 140: Meereswissenschaftliche Berichte MA
Page 141 and 142: 26 (1997) Lakaschus, Sönke: Konzen
Page 143 and 144: 51 (2002) Wasmund, Norbert; Pollehn
Page 145 and 146: 78 (2009) Wasmund, Norbert; Pollehn
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Baltic Sea

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