This environmental impact assessment for Kriegers flak ... - Vattenfall

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11.1 Geotechnology & geology The sediments in the selected area was, on behalf of the Group, studied by Weigt during the autumn of 2003, with multidirectional echo sounding, side scanning sonar and reß ected seismic methods. Wiegt has also researched the geological structure of the sediments south east of Kriegers Flak (German territory) with sonar reß ected seismic methods. This was carried out during spring 2002 and autumn 2003. During the autumn 2004, on behalf of Sweden Off- Example mixed sediment Example clay ridges side scan sonar PRESENTATION OF THE AREA 65 shore, Marin Mätteknik carried out an additional study between the transectional areas previously studied by Weigt. These examinations were also carried out with multidirectional echo sounding, side scanning sonar and seismic reß ection methods. In addition, SGI has, on behalf of the Company, made a geological compilation of ofÞ cially available research work in the area. Examples of the research work is presented below in Attachments 4.1 and 4.2 Exampl sandy seabed Example clay ridges seismic survey
66 PRESENTATION OF THE AREA 11.1.1 General information about Kriegers Flak Kriegers Flak is a raised seabed/submarine bank in the southern Baltic Sea. Water depth within central parts of the area is 16-17 metres, increasing to 20-25 metres at the borders. Outside the area the depth increases sharply to 40 metres or more. The seabed is made up of sediments from the last ice age on top of sediments from the cretaceous period. The border between the top of the sedimentary bedrock and the quaternary deposits is located within the actual area at a depth of between 50 and 60 metres. The upper part of the layer, deposited before the quaternary period, consists of limestone, comparable to glacially deformed lime at nearby Møns Klint in Denmark. The nearest core drilling to great depth is at Smygehuk between the Danish and the Swedish economic zones, and marked Smygehuk I (Lat.N55° 18’ 16.22”, Long. E13° 03’ 02.25”). There, the top 350 metres of the sedimentary Overview of Kriegers Flak with isochrones showing the water depth. The yellow line indicates the border between the Swedish and the Danish economic zones (GEUS Report 2004/97). bedrock consist of white, soft limestone with a rich occurrence of ß int (up to 30%) in the upper part, but declining with depth and only sporadically occurring on greater depths than 150 metres. The changeover between quaternary sediment and the sedimentary bedrock was found to be at a depth of 42 metres below the surface, which indicates that the top level of the pre-quaternary deposits are likely to show small variations in depth and therefore assumed to be horizontal within the present area. Characteristics and quality for the upper layer of the bedrock is in line with the evaluations of the drillings Smygehuk I. The composition and powerfulness of the removed sediment layers from the last ice age depend partly on the water depth and partly on local water conditions (currents, speed of water etc). In shallow waters, i.e. the central area of Kriegers Flak, quaternary sediments are found with powerfulness of generally less than 20 meters, while the sediment powerfulness south of Krieger Flak (Arcona basin) is more than 40 meters.
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This environmental impact assessmen
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Sweden Offshore Wind AB Hammarby Fa
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CONTENTS 8.3 Comparative discussion
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CONTENTS 12.10 Recreation and outdo
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6 PREAMBLE AND READER NOTES 1. Prea
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8 PREAMBLE AND READER NOTES Here, t
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10 SUMMARY 2. Summary Introduction
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12 SUMMARY any protected values or
Page 18 and 19: Background
Page 20 and 21: have less impact on the landscape p
Page 22 and 23: Consultation Report
Page 24 and 25: through Ms. Eva-Lena Olsson and Mr.
Page 26 and 27: Description of the Wind Farm
Page 28 and 29: 5.2. Localisation The designated ar
Page 30 and 31: As examples, the technique behind t
Page 32 and 33: not yet been tested by the wind pow
Page 34 and 35: ) Biological surveys Extensive inve
Page 36 and 37: During the construction phase, the
Page 38 and 39: The wind turbines emit an aerodynam
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Page 42 and 43: Project economics
Page 44 and 45: Time table
Page 46 and 47: Alternative locations
Page 48 and 49: there are technical and economic li
Page 50 and 51: Miscellaneous An application for th
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Page 54 and 55: heritage, meaning that any exploita
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Page 58 and 59: Alternative layout/scope
Page 60 and 61: sary. An example that has been stud
Page 62 and 63: The Zero Alternative
Page 64: • The mining of approximately 840
Page 67: 64 PRESENTATION OF THE AREA 11. Pre
Page 71 and 72: 68 PRESENTATION OF THE AREA varies
Page 73 and 74: 70 PRESENTATION OF THE AREA 1995).
Page 75 and 76: 72 PRESENTATION OF THE AREA cont. f
Page 77 and 78: 74 PRESENTATION OF THE AREA The win
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Page 81 and 82: 78 PRESENTATION OF THE AREA Species
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Page 85 and 86: 82 PRESENTATION OF THE AREA The cod
Page 87 and 88: 84 PRESENTATION OF THE AREA 11.6.3
Page 89 and 90: 86 PRESENTATION OF THE AREA Distrib
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Page 97 and 98: 94 PRESENTATION OF THE AREA Night a
Page 99 and 100: 96 PRESENTATION OF THE AREA d) Surv
Page 101 and 102: 98 PRESENTATION OF THE AREA During
Page 103 and 104: 100 PRESENTATION OF THE AREA Indivi
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Page 107 and 108: 104 PRESENTATION OF THE AREA In the
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Page 111 and 112: 108 PRESENTATION OF THE AREA Shippi
Page 113 and 114: 110 PRESENTATION OF THE AREA 11.11.
Page 115 and 116: 112 PRESENTATION OF THE AREA These
Page 117 and 118: 114 PRESENTATION OF THE AREA to pre
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116 CONSEQUENSES OF THE WIND FARM 1
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118 CONSEQUENSES OF THE WIND FARM I
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126 CONSEQUENSES OF THE WIND FARM s
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128 CONSEQUENSES OF THE WIND FARM
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132 CONSEQUENSES OF THE WIND FARM J
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136 CONSEQUENSES OF THE WIND FARM c
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138 CONSEQUENSES OF THE WIND FARM A
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140 CONSEQUENSES OF THE WIND FARM I
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142 CONSEQUENSES OF THE WIND FARM p
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Cumulative effects
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and the track at low visibility is
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13.3 Current conditions/ saltwater
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Control program
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14.2 Fish The wind farm’s possibl
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Collected judgement
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15.3.2 The operational phase The fa
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164 CABLE LAYING 16. Cable laying I
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166 CABLE LAYING 16.2 Design The tr
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168 CABLE LAYING There will be rest
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170 BIBLIOGRAPHY 17. Bibliography A
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172 BIBLIOGRAPHY ratoriet, Lysekil.
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174 FTABLE OF ATTACHMENTS 19. Table
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1 Wind farm, view from Trelleborg,
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Wind farm, view from Trelleborg, 30
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Wind farm, view from ships bridge,
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7 Wind farm, view from Møn, 30 km,
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9 Wind farm, view from Rügen, 42 k
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