Results of Monitoring at Olkiluoto in 2006 - Environment (pdf) - Posiva

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Working Report 2007-52Results of Monitoringat Olkiluoto in 2006EnvironmentEditor:Reija HaapanenHaapanen Forest ConsultingJuly 2007Base maps: ©National Land Survey, permission 41/MYY/07Working Reports contain information on work in progressor pending completion.The conclusions and viewpoints presented in the reportare those of author(s) and do not necessarilycoincide with those of Posiva.
ABSTRACTThis Working Report presents the main results of Posiva Oy's environmentalmonitoring programme on Olkiluoto Island in 2006. This is the third annual report. Theenvironmental monitoring system supervised by Posiva Oy produces input forbiosphere modelling for long-term safety purposes as well as for monitoring the state ofthe environment during the construction (and later operation) of ONKALOunderground characterization facility.Although some of the nuclear power production related monitoring studies by TVO (thepower company) have been going on from the 1970s, the repository-relatedenvironmental monitoring of Olkiluoto Island has only recently been comprehensive.Consequently, the first Biosphere Description Report was written in 2006. This workfurther produced some analyses belonging to the environmental monitoring programme,namely the estimates of biomass in terrestrial vegetation (forests) and a preliminaryestimate of the biomass in terrestrial fauna (moose).In the monitoring data, the ongoing construction work (OL3, ONKALO and relatedinfrastructure) is seen for instance in raised noise levels and deposition of base cationsand iron. The land-use continues to change, but where there is natural environment, itresembles other coastal locations. The nearby marine environment is affected by thecooling water from the nuclear power plant.Keywords: environmental monitoring, ecosystem, baseline condition, change.
Page 1: Working Report 2007-52Results of Mo
Page 5: 1TABLE OF CONTENTSABSTRACTTIIVISTEL
Page 9 and 10: 52 MONITORING SYSTEM AND SCHEDULETh
Page 11 and 12: 73 RESULTS AND DISCUSSION3.1 Landsc
Page 13 and 14: 9Table 4. Distribution of Olkiluoto
Page 15 and 16: 113.2 Input to Biosphere Modelling3
Page 17 and 18: 13The soils were acid. The organic
Page 19: 15Table 8. Total concentrations (%)
Page 22 and 23: 18Soil MicrobesCarbon (C) and nitro
Page 24 and 25: 201.2Norway spruceScots pine10.8mg/
Page 26 and 27: 22Figure 13. The biomass distributi
Page 28 and 29: 24Table 13. Mean carbon content (g/
Page 30 and 31: 26700600500400300200Open areaForest
Page 32 and 33: 28fall (Table E-4) was lower than t
Page 34 and 35: 30160140120Percolation waterStand t
Page 36 and 37: 3265pH432200420052006Ref. 1998-2000
Page 38 and 39: 34Total nitrogen (Tables F-5 and F-
Page 40 and 41: 36DefoliationThe degree of defoliat
Page 42 and 43: 38302520Temperature at 9 mPAR at 24
Page 44 and 45: 40Exceptionally, only two raccoon d
Page 46 and 47: 42The discharge and the nutrients o
Page 48 and 49: 44In general, the open water season
Page 50 and 51: 4665Substance matter, mg/l432SEA03S
Page 52 and 53:
48Biomass, mg/m32000180016001400120
Page 54 and 55:
50450040003500Individuals/m23000250
Page 56 and 57:
5212000kg100008000600040002000Balti
Page 58 and 59:
54Figure 41. Noise levels (L AT , d
Page 60 and 61:
56phenomenon, especially in dry sum
Page 62 and 63:
58On the southern part of the islan
Page 64 and 65:
60The water quality of the monitore
Page 66 and 67:
62Kaunisto, S. & Moilanen, M. 1998.
Page 68 and 69:
64Starr, M. 1991. Soil formation an
Page 70 and 71:
66Table A-1 cont'd. Monitoring site
Page 72 and 73:
68Table A-1 cont'd. Monitoring site
Page 75 and 76:
71APPENDIX B: FOREST AND MIRE MONIT
Page 77 and 78:
73comprehensive measurement of fore
Page 79 and 80:
75Figure B-4. Top: FIP10, middle: F
Page 81 and 82:
77Table B-3. Coverage (%) and numbe
Page 83:
79Figure B-5. Litterfall samplers (
Page 86 and 87:
Table C-2. Radionuclides in air in
Page 88 and 89:
84Table C-3. Radionuclides in milk
Page 90 and 91:
86Table C-7. Radionuclides in fish
Page 93:
APPENDIX D. RESULTS FROM SOIL MICRO
Page 96 and 97:
Table E-3. Annual amount of precipi
Page 98 and 99:
94Table E-5. Annual bulk deposition
Page 100 and 101:
96Table F-3. Mean pH and dissolved
Page 102 and 103:
98Table F-11. Mean calcium (Ca, mg/
Page 104 and 105:
100Table F-19. Mean silicon (Si, mg
Page 106 and 107:
102
Page 108 and 109:
104
Page 110 and 111:
106
Page 112 and 113:
108Table J-3. The concentrations of
Page 114 and 115:
110Table J-9. Primary production (m
Page 116:
112Table K-2. Chemical analyses of
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