Baltic Sea

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10 2 SW along−slope at 170m 10 4 SW across−slope at 170m 3 4 5 10 1 1 6 7 8 10 12 9 11 13 10 2 1 6 8 10 3 4 5 10 0 10 0 7 9 11 Power Spectral Density 10 −1 10 −2 10 −3 10 −4 2 1=0.57 days 2=0.9 days 3=3.5 days 4=4.3 days 5=6.5 days 6=7.0 days 7=10.8 days 8=18.3 days 9=20.2 days 10=27.1 days 11=32.8 days 12=40.8 days 13=54.6 days Power Spectral Density 10 −2 10 −4 10 −6 2 1=0.59 days 2=0.8 days 3=3.5 days 4=5.0 days 5=6.5 days 6=9.1 days 7=12.5 days 8=14.8 days 9=32.0 days 10=40.8 days 11=79.4 days 10 −5 unfiltered 12h low−pass filter daily 10 −6 10 −2 10 −1 10 0 10 1 10 2 10 3 Period (day) 10 −8 unfiltered 12h low−pass filter daily 10 −10 10 −2 10 −1 10 0 10 1 10 2 10 3 Period (day) SW along−slope at 200m 10 2 1 7 2 9 10 1 11 12 4 5 6 10 0 3 8 10 Power Spectral Density 10 −1 10 −2 10 −3 10 −4 1=0.57 days 2=1.4 days 3=1.7 days 4=3.6 days 5=4.1 days 6=8.8 days 7=10.3 days 8=11.8 days 9=18.0 days 10=33.1 days 11=53.3 days 12=81.5 days 10 −5 10 −6 unfiltered 12h low−pass filter daily 10 −7 10 −2 10 −1 10 0 10 1 10 2 10 3 Period (day) Power Spectral Density SW along−slope at 215m 10 4 10 2 3 1 4 2 6 8 7 10 0 9 5 10 −2 10 −4 10 11 1=0.55 days 2=1.4 days 3=3.5 days 4=10.2 days 5=11.5 days 6=14.8 days 7=16.3 days 8=20.2 days 9=27.1 days 10=41.3 days 11=53.9 days Power Spectral Density SW across−slope at 215m 6 10 2 3 4 7 1 10 0 5 10 −2 2 10 −4 8 9 10 1=0.54 days 2=0.7 days 3=3.4 days 4=9.0 days 5=12.6 days 6=15.0 days 7=20.2 days 8=32.4 days 9=40.3 days 10=82.3 days 10 −6 unfiltered 12h low−pass filter daily 10 −8 10 −2 10 −1 10 0 10 1 10 2 10 3 Period (day) 10 −2 10 −1 10 0 10 1 10 2 10 3 Period (day) A B Figure 5.13: Mooring SW: Spectra in 175 m, 205 m and 220 m of the along-slope current component (A) and the across-slope current component (B) for a period from 8 May 2006 to 30 March 2007. 10 −6 unfiltered 12h low−pass filter daily 122
Meereswissenschaftliche Berichte MARINE SCIENCE REPORTS 1 (1990) Postel, Lutz: Die Reaktion des Mesozooplanktons, speziell der Biomasse, auf küstennahen Auftrieb vor Westafrika (The mesozooplankton response to coastal upwelling off West Africa with particular regard to biomass) 2 (1990) Nehring, Dietwart: Die hydrographisch–chemischen Bedingungen in der westlichen und zentralen Ostsee von 1979 bis 1988 – ein Vergleich (Hydrographic and chemical conditions in the western and central Baltic Sea from 1979 to 1988 – a comparison) Nehring, Dietwart; Matthäus, Wolfgang: Aktuelle Trends hydrographischer und chemischer Parameter in der Ostsee, 1958 – 1989 (Topical trends of hydrographic and chemical parameters in the Baltic Sea, 1958 – 1989) 3 (1990) Zahn, Wolfgang: Zur numerischen Vorticityanalyse mesoskaler Strom- und Massenfelder im Ozean (On numerical vorticity analysis of mesoscale current and mass fields in the ocean) 4 (1992) Lemke, Wolfram; Lange, Dieter; Endler, Rudolf (Eds.): Proceedings of the Second Marine Geological Conference – The Baltic, held in Rostock from October 21 to October 26, 1991 5 (1993) Endler, Rudolf; Lackschewitz, Klas (Eds.): Cruise Report RV "Sonne" Cruise SO82, 1992 6 (1993) Kulik, Dmitri A.; Harff, Jan: Physicochemical modeling of the Baltic Sea water–sediment column: I. Reference ion association models of normative seawater and of Baltic brackish waters at salinities 1–40 ‰, 1 bar total pressure and 0 to 30 C temperature (system Na–Mg–Ca–K–Sr–Li–Rb–Cl–S–C–Br–F–B–N–Si– P–H–O) 7 (1994) Nehring, Dietwart; Matthäus, Wolfgang; Lass, Hans Ulrich; Nausch, Günther: Hydrographisch–chemische Zustandseinschätzung der Ostsee 1993 8 (1995) Hagen, Eberhard; John, Hans-Christian: Hydrographische Schnitte im Ostrandstromsystem vor Portugal und Marokko 1991 - 1992 9 (1995) Nehring, Dietwart; Matthäus,Wolfgang; Lass, Hans Ulrich; Nausch, Günther; Nagel, Klaus: Hydrographisch-chemische Zustandseinschätzung der Ostsee 1994 Seifert, Torsten; Kayser, Bernd: A high resolution spherical grid topography of the Baltic Sea 10 (1995) Schmidt, Martin: Analytical theory and numerical experiments to the forcing of flow at
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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
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160 170 180 Volume of EGB below 170
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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 and 134: Volume (km 3 ) 2.5 2 1.5 1 0.5 0
Page 135 and 136: 10 3 Regional Wind 7 Power Spectra
Page 137: NE along−slope at 178m 10 2 10 1
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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