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Volumn 252, Issue 3-4, 2007, Pages 514-529

Estimation of ancient and future shoreline positions in the vicinity of Olkiluoto, an island on the western coast of Finland: The difference between Grid and TIN based GIS-approaches

Author keywords

Finland; Geographic information systems (GIS); Palaeogeography; Paleo shorelines; Terrain analysis

Indexed keywords

COASTAL ZONE; GIS; NUMERICAL METHOD; NUMERICAL MODEL; PALEOGEOGRAPHY; RECONSTRUCTION; SHORELINE CHANGE; TOPOGRAPHY; VECTOR;

EID: 34547809477     PISSN: 00310182     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.palaeo.2007.05.009     Document Type: Article
Times cited : (6)

References (69)
  • 1
    • 34547800841 scopus 로고    scopus 로고
    • Alalammi, P. (Ed.), 1986. Atlas of Finland, Water, vol. 132. National Board of Survey and Geographical Society of Finland, Helsinki. 31 pp.
  • 2
    • 34547768370 scopus 로고
    • The digital terrain model of the Olkiluoto area and its structural interpretation
    • Tietokumpu Ltd. TVO/Final Disposal of Spent Fuel (36 pp. In Finnish with English abstract)
    • Autio H., and Hakanen P. The digital terrain model of the Olkiluoto area and its structural interpretation. Tietokumpu Ltd. TVO/Final Disposal of Spent Fuel. Work Report vol. 91-58. (1991) (36 pp. In Finnish with English abstract)
    • (1991) Work Report , vol.91-58
    • Autio, H.1    Hakanen, P.2
  • 3
    • 34547800307 scopus 로고    scopus 로고
    • Basic Map 1:20000, sheet 1132 09+ 1132 06 Olkiluoto, 1978. National Land Survey of Finland, Helsinki.
  • 4
    • 34547824437 scopus 로고    scopus 로고
    • Beniston, M., Tol, R. (Eds.), 1997. Chapter 5: Europe. In: Watson R., Zinyowera, M., Moss, R. Dokken D. (Eds.), IPCC Special Report on The Regional Impacts of Climate Change, An Assessment of Vulnerability. .
  • 5
    • 25644452781 scopus 로고    scopus 로고
    • The Holocene shore displacement of Gästrikland, eastern Sweden: a contribution to the knowledge of Scandinavian glacio-isostatic uplift
    • Berglund M. The Holocene shore displacement of Gästrikland, eastern Sweden: a contribution to the knowledge of Scandinavian glacio-isostatic uplift. Journal of Quaternary Science 20 (2005) 519-531
    • (2005) Journal of Quaternary Science , vol.20 , pp. 519-531
    • Berglund, M.1
  • 6
    • 0141925241 scopus 로고    scopus 로고
    • Isostatic land uplift and Mesolithic landscapes: lake-tilting, a key to the discovery of Mesolithic sites in the interior of Northern Sweden
    • Bergman I., Påsse T., Olofsson A., Zackrisson O., Hörnberg G., Hellberg E., and Bohlin E. Isostatic land uplift and Mesolithic landscapes: lake-tilting, a key to the discovery of Mesolithic sites in the interior of Northern Sweden. Journal of Archaeological Science 30 (2003) 1451-1458
    • (2003) Journal of Archaeological Science , vol.30 , pp. 1451-1458
    • Bergman, I.1    Påsse, T.2    Olofsson, A.3    Zackrisson, O.4    Hörnberg, G.5    Hellberg, E.6    Bohlin, E.7
  • 7
    • 0029518719 scopus 로고
    • A review of the history of the Baltic Sea, 13.0-8.0 ka BP
    • Björck S. A review of the history of the Baltic Sea, 13.0-8.0 ka BP. Quaternary International 27 (1995) 19-40
    • (1995) Quaternary International , vol.27 , pp. 19-40
    • Björck, S.1
  • 8
    • 33244465387 scopus 로고    scopus 로고
    • The unique moraine morphology, stratotypes and ongoing geological processes at the kvarken archipelago on the land uplift area in the western coast of Finland
    • Breilin O., Kotilainen A., Nenonen K., and Räsänen M. The unique moraine morphology, stratotypes and ongoing geological processes at the kvarken archipelago on the land uplift area in the western coast of Finland. Geological Society of Finland, Special Paper 40 (2005) 97-111
    • (2005) Geological Society of Finland, Special Paper , vol.40 , pp. 97-111
    • Breilin, O.1    Kotilainen, A.2    Nenonen, K.3    Räsänen, M.4
  • 10
    • 0000585158 scopus 로고
    • Systematic selection of very important points (VIP) from digital terrain model for constructing triangular irregular networks
    • Chrisman N. (Ed), American Congress of Surveying and Mapping, Gaithersburg, MD
    • Chen Z.-T., and Guevara J.A. Systematic selection of very important points (VIP) from digital terrain model for constructing triangular irregular networks. In: Chrisman N. (Ed). Proceedings of Auto-Carto 8 (Eighth International Symposium on Computer-Assisted Cartography) (1987), American Congress of Surveying and Mapping, Gaithersburg, MD 50-56
    • (1987) Proceedings of Auto-Carto 8 (Eighth International Symposium on Computer-Assisted Cartography) , pp. 50-56
    • Chen, Z.-T.1    Guevara, J.A.2
  • 13
    • 0023490401 scopus 로고
    • Some aspects of the nature of the late Weichselian and Holocene land uplift in Finland
    • Fennoscandian land uplift: Proceedings of a symposium at Tvärminne, April 10-11, 1986 arranged by the Finnish national Committee for Quartenary Research. Perttunen M. (Ed)
    • Donner J.J. Some aspects of the nature of the late Weichselian and Holocene land uplift in Finland. In: Perttunen M. (Ed). Fennoscandian land uplift: Proceedings of a symposium at Tvärminne, April 10-11, 1986 arranged by the Finnish national Committee for Quartenary Research. Geological Survey of Finland. Special Paper vol. 2 (1987) 9-12
    • (1987) Geological Survey of Finland. Special Paper , vol.2 , pp. 9-12
    • Donner, J.J.1
  • 15
    • 0033763017 scopus 로고    scopus 로고
    • Succession on a land uplift coast in relation to plant strategy theory
    • Ecke F., and Rydin H. Succession on a land uplift coast in relation to plant strategy theory. Annales Botanici Fennici 37 (2000) 163-171
    • (2000) Annales Botanici Fennici , vol.37 , pp. 163-171
    • Ecke, F.1    Rydin, H.2
  • 16
    • 51249174348 scopus 로고
    • Impacts of geodynamic phenomena on system for height and gravity
    • Ekman M. Impacts of geodynamic phenomena on system for height and gravity. Bulletin Géodésique 63 (1989) 281-296
    • (1989) Bulletin Géodésique , vol.63 , pp. 281-296
    • Ekman, M.1
  • 17
    • 0030439238 scopus 로고    scopus 로고
    • A consistent map of the postglacial uplift of Fennoscandia
    • Ekman M. A consistent map of the postglacial uplift of Fennoscandia. Terra Nova 8 (1996) 158-165
    • (1996) Terra Nova , vol.8 , pp. 158-165
    • Ekman, M.1
  • 18
    • 0030446798 scopus 로고    scopus 로고
    • Recent postglacial rebound, gravity and mantle flow in Fennoscandia
    • Ekman M., and Mäkinen J. Recent postglacial rebound, gravity and mantle flow in Fennoscandia. Geophysical Journal International 126 (1996) 229-234
    • (1996) Geophysical Journal International , vol.126 , pp. 229-234
    • Ekman, M.1    Mäkinen, J.2
  • 20
    • 33745053042 scopus 로고    scopus 로고
    • Land uplift: virgin land from the sea
    • Seppälä M. (Ed), Oxford University Press, Oxford
    • Eronen M. Land uplift: virgin land from the sea. In: Seppälä M. (Ed). The Physical Geography of Fennoscandia (2005), Oxford University Press, Oxford 17-34
    • (2005) The Physical Geography of Fennoscandia , pp. 17-34
    • Eronen, M.1
  • 22
    • 0035069764 scopus 로고    scopus 로고
    • Rates of Holocene isostatic uplift and relative sea-level lowering of the Baltic in SW Finland based on studies of isolation contacts
    • Eronen M., Glückert G., Hatakka L., van de Plassche O., van der Plicht J., and Rantala P. Rates of Holocene isostatic uplift and relative sea-level lowering of the Baltic in SW Finland based on studies of isolation contacts. Boreas 30 (2001) 17-30
    • (2001) Boreas , vol.30 , pp. 17-30
    • Eronen, M.1    Glückert, G.2    Hatakka, L.3    van de Plassche, O.4    van der Plicht, J.5    Rantala, P.6
  • 23
    • 0020372654 scopus 로고
    • The Ancylus transgression west of Helsinki, South Finland - a preliminary report
    • Glückert G., and Ristaniemi O. The Ancylus transgression west of Helsinki, South Finland - a preliminary report. Annales Academiae Scientarum Fennicae A III 134 (1982) 99-134
    • (1982) Annales Academiae Scientarum Fennicae A III , vol.134 , pp. 99-134
    • Glückert, G.1    Ristaniemi, O.2
  • 24
    • 0037339599 scopus 로고    scopus 로고
    • A 11,000 yr palaeotemperature reconstruction from the southern boreal zone in Finland
    • Heikkilä M., and Seppä H. A 11,000 yr palaeotemperature reconstruction from the southern boreal zone in Finland. Quaternary Science Reviews 22 (2003) 541-554
    • (2003) Quaternary Science Reviews , vol.22 , pp. 541-554
    • Heikkilä, M.1    Seppä, H.2
  • 26
    • 34547787250 scopus 로고    scopus 로고
    • Houghton J.T., Ding Y., Griggs D.J., Noguer M., van der Linden P.J., Dai X., Maskell K., and Johnson C.A. (Eds), Cambridge University Press, Cambridge 881 pp.
    • In: Houghton J.T., Ding Y., Griggs D.J., Noguer M., van der Linden P.J., Dai X., Maskell K., and Johnson C.A. (Eds). Climate Change 2001: the Scientific Basis. Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change (2001), Cambridge University Press, Cambridge 881 pp.
    • (2001) Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change
  • 27
    • 0343593563 scopus 로고
    • The Late-Quaternary land uplift in the Baltic sphere and the relation diagram of the raised and tilted shore-levels
    • Hyyppä E. The Late-Quaternary land uplift in the Baltic sphere and the relation diagram of the raised and tilted shore-levels. Annales Academiae Scientarum Fennicae A III 90 (1966) 153-168
    • (1966) Annales Academiae Scientarum Fennicae A III , vol.90 , pp. 153-168
    • Hyyppä, E.1
  • 32
    • 0037371887 scopus 로고    scopus 로고
    • Climate change scenarios and the effect of sea-level rise for Estonia
    • Kont A., Jaagus J., and Aunap R. Climate change scenarios and the effect of sea-level rise for Estonia. Global and Planetary Change 36 (2003) 1-15
    • (2003) Global and Planetary Change , vol.36 , pp. 1-15
    • Kont, A.1    Jaagus, J.2    Aunap, R.3
  • 33
    • 34547775900 scopus 로고
    • The reference surface of elevations
    • (In Finnish with English summary)
    • Kukkamäki T.J. The reference surface of elevations. Terra 68 (1956) 112-123 (In Finnish with English summary)
    • (1956) Terra , vol.68 , pp. 112-123
    • Kukkamäki, T.J.1
  • 35
    • 0036606812 scopus 로고    scopus 로고
    • A GIS method for reconstruction of late Quaternary landscapes from isobase data and modern topography
    • Leverington D., Teller J., and Mann J. A GIS method for reconstruction of late Quaternary landscapes from isobase data and modern topography. Computers and Geosciences 28 (2002) 631-639
    • (2002) Computers and Geosciences , vol.28 , pp. 631-639
    • Leverington, D.1    Teller, J.2    Mann, J.3
  • 36
    • 14944354025 scopus 로고    scopus 로고
    • Marginal formation of De Geer moraines and their implications to the dynamics of grounding-line recession
    • Lindén M., and Möller P. Marginal formation of De Geer moraines and their implications to the dynamics of grounding-line recession. Journal of Quaternary Science 20 (2005) 113-133
    • (2005) Journal of Quaternary Science , vol.20 , pp. 113-133
    • Lindén, M.1    Möller, P.2
  • 37
    • 32144450316 scopus 로고    scopus 로고
    • Holocene shore displacement and deglaciation chronology in Norrbotten, Sweden
    • Lindén M., Möller P., Björck S., and Sandgren P. Holocene shore displacement and deglaciation chronology in Norrbotten, Sweden. Boreas 35 (2006) 1-22
    • (2006) Boreas , vol.35 , pp. 1-22
    • Lindén, M.1    Möller, P.2    Björck, S.3    Sandgren, P.4
  • 38
    • 34547822584 scopus 로고
    • Three-dimensional modelling of ground and rock surface and groundwater table at Olkiluoto Area
    • Teollisuuden Voima Oy, Helsinki, Finland (In Finnish with English abstract)
    • Lindh J., and Saksa P. Three-dimensional modelling of ground and rock surface and groundwater table at Olkiluoto Area. Work Report Patu 95-03 (1995), Teollisuuden Voima Oy, Helsinki, Finland (In Finnish with English abstract)
    • (1995) Work Report Patu 95-03
    • Lindh, J.1    Saksa, P.2
  • 39
    • 33748951150 scopus 로고    scopus 로고
    • Scale matters - a multi-resolution study of the determinants of patterned ground activity in subarctic Finland
    • Luoto M., and Hjort J. Scale matters - a multi-resolution study of the determinants of patterned ground activity in subarctic Finland. Geomorphology 80 (2006) 282-294
    • (2006) Geomorphology , vol.80 , pp. 282-294
    • Luoto, M.1    Hjort, J.2
  • 40
    • 34547732549 scopus 로고    scopus 로고
    • Mäkiaho, J.-P., 2003. Rannansiirtyminen pääkaupunkiseudulla postglasiaaliaikana TIN-mallinnuksella kuvattuna. MSc. Thesis. University of Helsinki, Department of Geography. In Finnish. 78 pp.
  • 41
    • 34547729308 scopus 로고    scopus 로고
    • Development of shoreline and topography in the Olkiluoto area, western Finland, 2000 BP-8000 AP
    • Posiva Ltd., Olkiluoto, Finland 47 pp.
    • Mäkiaho J.-P. Development of shoreline and topography in the Olkiluoto area, western Finland, 2000 BP-8000 AP. Posiva Working Report 2005-70 (2005), Posiva Ltd., Olkiluoto, Finland 47 pp.
    • (2005) Posiva Working Report 2005-70
    • Mäkiaho, J.-P.1
  • 42
    • 0032415259 scopus 로고    scopus 로고
    • Determination of postglacial land uplift from three precise levellings in Finland
    • Mäkinen J., and Saaranen V. Determination of postglacial land uplift from three precise levellings in Finland. Journal of Geodesy 72 (1998) 516-529
    • (1998) Journal of Geodesy , vol.72 , pp. 516-529
    • Mäkinen, J.1    Saaranen, V.2
  • 44
    • 0005684298 scopus 로고    scopus 로고
    • The history of geographic information systems: invention and re-invention of Triangulated Irregular Networks (TINs)
    • Mark D. The history of geographic information systems: invention and re-invention of Triangulated Irregular Networks (TINs). Proceedings of ASPRS-RTI, 1998 Annual Conference, March 30-April 3 (1998) 284-289
    • (1998) Proceedings of ASPRS-RTI, 1998 Annual Conference, March 30-April 3 , pp. 284-289
    • Mark, D.1
  • 45
    • 19544392251 scopus 로고    scopus 로고
    • Modelling prognostic coastline scenarios of the southern Baltic Sea
    • Meyer M. Modelling prognostic coastline scenarios of the southern Baltic Sea. Baltica 16 (2003) 21-32
    • (2003) Baltica , vol.16 , pp. 21-32
    • Meyer, M.1
  • 46
    • 19544392655 scopus 로고    scopus 로고
    • Modelling palaeo coastline changes of the Baltic Sea
    • Meyer M., and Harff J. Modelling palaeo coastline changes of the Baltic Sea. Journal of Coastal Research 21 (2005) 598-609
    • (2005) Journal of Coastal Research , vol.21 , pp. 598-609
    • Meyer, M.1    Harff, J.2
  • 47
    • 2342643439 scopus 로고    scopus 로고
    • Holocene sea-level changes and glacio-isostasy in the Gulf of Finland, Baltic Sea
    • Miettinen A. Holocene sea-level changes and glacio-isostasy in the Gulf of Finland, Baltic Sea. Quaternary International 120 (2004) 91-104
    • (2004) Quaternary International , vol.120 , pp. 91-104
    • Miettinen, A.1
  • 50
    • 0037850963 scopus 로고    scopus 로고
    • Delete and insert operations in Voronoi/Delaunay methods and applications
    • Mostafavi M., Gold C., and Dakowicz M. Delete and insert operations in Voronoi/Delaunay methods and applications. Computers and Geosciences 29 (2003) 523-530
    • (2003) Computers and Geosciences , vol.29 , pp. 523-530
    • Mostafavi, M.1    Gold, C.2    Dakowicz, M.3
  • 51
    • 34547818252 scopus 로고    scopus 로고
    • Supplement to Olkiluoto numerical ground surface and rock surface point data
    • Posiva Ltd., Olkiluoto, Finland 56 pp.
    • Nummela J. Supplement to Olkiluoto numerical ground surface and rock surface point data. Posiva Working Report 2004-22 (2004), Posiva Ltd., Olkiluoto, Finland 56 pp.
    • (2004) Posiva Working Report 2004-22
    • Nummela, J.1
  • 52
    • 0003992684 scopus 로고    scopus 로고
    • A mathematical model of the shore level displacement in Fennoscandia
    • Swedish Nuclear Fuel and Waste Management Co, Stockholm, Sweden 92 pp.
    • Påsse T. A mathematical model of the shore level displacement in Fennoscandia. SKB Technical Report vol. 96-24 (1996), Swedish Nuclear Fuel and Waste Management Co, Stockholm, Sweden 92 pp.
    • (1996) SKB Technical Report , vol.96-24
    • Påsse, T.1
  • 53
    • 0012280571 scopus 로고    scopus 로고
    • A mathematical model of past, present and future shore level displacement in Fennoscandia
    • Swedish Nuclear Fuel and Waste Management Co, Stockholm, Sweden 55 pp.
    • Påsse T. A mathematical model of past, present and future shore level displacement in Fennoscandia. SKB-Technical Report vol. 97-28 (1997), Swedish Nuclear Fuel and Waste Management Co, Stockholm, Sweden 55 pp.
    • (1997) SKB-Technical Report , vol.97-28
    • Påsse, T.1
  • 54
    • 0031867167 scopus 로고    scopus 로고
    • Lake-tilting, a method for estimation of glacio-isostatic uplift
    • Påsse T. Lake-tilting, a method for estimation of glacio-isostatic uplift. Boreas 27 (1998) 69-80
    • (1998) Boreas , vol.27 , pp. 69-80
    • Påsse, T.1
  • 55
    • 0037519759 scopus 로고
    • On relations between crustal movements and variations of sea-level during the late-quaternary time, especially in Fennoscandia
    • Ramsay W. On relations between crustal movements and variations of sea-level during the late-quaternary time, especially in Fennoscandia. Fennia 44 5 (1924) 1-39
    • (1924) Fennia , vol.44 , Issue.5 , pp. 1-39
    • Ramsay, W.1
  • 56
    • 34547824334 scopus 로고    scopus 로고
    • Acoustic-seismic research at the sea area near Olkiluoto in the year 2000
    • Posiva Ltd., Olkiluoto, Finland (In Finnish with English abstract. 6 pp.+ 51 annexes)
    • Rantataro J. Acoustic-seismic research at the sea area near Olkiluoto in the year 2000. Posiva Working Report 2001-11 (2001), Posiva Ltd., Olkiluoto, Finland (In Finnish with English abstract. 6 pp.+ 51 annexes)
    • (2001) Posiva Working Report 2001-11
    • Rantataro, J.1
  • 57
    • 34547816732 scopus 로고    scopus 로고
    • The estimation of sedimentary rock covered area as well as supplementary interpretation of acoustic-seismic research in Olkiluoto area
    • Posiva Ltd., Olkiluoto, Finland (In Finnish with English abstract. 11 pp.+ 14 annexes)
    • Rantataro J. The estimation of sedimentary rock covered area as well as supplementary interpretation of acoustic-seismic research in Olkiluoto area. Posiva Working Report 2002-38 (2002), Posiva Ltd., Olkiluoto, Finland (In Finnish with English abstract. 11 pp.+ 14 annexes)
    • (2002) Posiva Working Report 2002-38
    • Rantataro, J.1
  • 58
    • 0000554609 scopus 로고
    • Rock jointing and abrasion forms on Roches moutonnées, SW Finland
    • Rastas J., and Seppälä M. Rock jointing and abrasion forms on Roches moutonnées, SW Finland. Annals of Glaciology 2 (1981) 159-163
    • (1981) Annals of Glaciology , vol.2 , pp. 159-163
    • Rastas, J.1    Seppälä, M.2
  • 59
    • 0030620881 scopus 로고    scopus 로고
    • Holocene and recent shoreline changes on the rapidly uplifting coast of western Finland
    • Ristaniemi O., Eronen M., Glückert G., and Rantala P. Holocene and recent shoreline changes on the rapidly uplifting coast of western Finland. Journal of Coastal Research 13 (1997) 397-406
    • (1997) Journal of Coastal Research , vol.13 , pp. 397-406
    • Ristaniemi, O.1    Eronen, M.2    Glückert, G.3    Rantala, P.4
  • 60
    • 34547803841 scopus 로고    scopus 로고
    • Climate scenarios for Olkiluoto region over the next few centuries
    • Posiva Ltd., Olkiluoto, Finland 21 pp.
    • Ruosteenoja K. Climate scenarios for Olkiluoto region over the next few centuries. Posiva Working Report 2003-21 (2003), Posiva Ltd., Olkiluoto, Finland 21 pp.
    • (2003) Posiva Working Report 2003-21
    • Ruosteenoja, K.1
  • 61
    • 0031435065 scopus 로고    scopus 로고
    • Sotkamo Ice Lake
    • (In Finnish with English abstract)
    • Saarelainen J., and Vanne J. Sotkamo Ice Lake. Terra 109 (1997) 25-38 (In Finnish with English abstract)
    • (1997) Terra , vol.109 , pp. 25-38
    • Saarelainen, J.1    Vanne, J.2
  • 63
    • 34249798556 scopus 로고    scopus 로고
    • Glacially sculptured landforms
    • Seppälä M. (Ed), Oxford University Press
    • Seppälä M. Glacially sculptured landforms. In: Seppälä M. (Ed). The Physical Geography of Fennoscandia (2005), Oxford University Press 35-58
    • (2005) The Physical Geography of Fennoscandia , pp. 35-58
    • Seppälä, M.1
  • 65
    • 34547800306 scopus 로고    scopus 로고
    • Terrasolid Ltd., Helsinki, Finland 164 pp.
    • Terrasolid. TerraModeler User's Guide (2003), Terrasolid Ltd., Helsinki, Finland. http://www.terrasolid.fi/system/files/tmodel.pdf 164 pp.
    • (2003) TerraModeler User's Guide
    • Terrasolid1
  • 66
    • 0019787495 scopus 로고
    • Georelief, its origin and development in the coastal area between Pori and Uusikaupunki, south-western Finland
    • Tikkanen M. Georelief, its origin and development in the coastal area between Pori and Uusikaupunki, south-western Finland. Fennia 159 (1981) 253-333
    • (1981) Fennia , vol.159 , pp. 253-333
    • Tikkanen, M.1
  • 67
    • 0036918086 scopus 로고    scopus 로고
    • Late Weichselian and Holocene displacement history of the Baltic Sea in Finland
    • Tikkanen M., and Oksanen J. Late Weichselian and Holocene displacement history of the Baltic Sea in Finland. Fennia 180 (2002) 9-20
    • (2002) Fennia , vol.180 , pp. 9-20
    • Tikkanen, M.1    Oksanen, J.2
  • 68
    • 33645215957 scopus 로고    scopus 로고
    • Measurements of time-variable gravity show mass loss in antarctica
    • Velicogna I., and Wahr J. Measurements of time-variable gravity show mass loss in antarctica. Science 311 (2006) 1754-1756
    • (2006) Science , vol.311 , pp. 1754-1756
    • Velicogna, I.1    Wahr, J.2
  • 69


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