A pilot study - Monitoring of palsa mires in Sweden

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1 A pilot study - Monitoring of palsa mires in Sweden Laine Boresjö Bronge, Thomas Hedvall, Kjell Wester (Vattenfall Power Consultant) Susanne Backe (lst Norrbotten), Urban Gunnarsson (lst Dalarna), Johan Abenius (Naturvårdsverket)

2 Monitoring of palsa mires in Sweden Vattenfall Power Consultant AB The overall purpose is to develop an operational method based on very high-resolution satellite data in combination with detailed terrain data for monitoring of palsa mires in Sweden. Funding and project participants Funding from SEPA and Swedish National Space Board Laine Boresjö Bronge, Thomas Hedvall, Kjell Wester (Vattenfall Power Consultant) Susanne Backe (lst Norrbotten), Urban Gunnarsson (lst Dalarna), Johan Abenius (Naturvårdsverket)

3 Classification of the palsa mire vegetation based on the stages

4

5 Conceptual model - applied research palsa monitoring Literature review - old and recent work, often very detailed with many parameters, normally based on field work Aerial photographs historical and recent documentation of palsa mires New field work detailed documentation and calibration data for vegetation classification Laser scanning fingerprint of the current situation, base for monitoring, change analysis Satellite imagery documentation of current situation and classification of palsa vegetation To successfully put up a monitoring programme probably all these components are necessary, also to work interdisciplinary and near end users!

6 Indata Vattenfall Power Consultant AB Laserscanning (+/- 0,1 m; 0,5 m grid) July 2007, Taavavuoma August 2009, Taavavuoma + 9 st other palsa mire areas Satellite data IKONOS data, 2 July 2003, Taavavuoma QuickBird, 9 August 2009, Taavavuoma Kompsat data, 20 July 2009, Taavavuoma Kompsat data, 4 August 2009, Taavavuoma WorldView data August Digital aerial photographs Panchromatic 1963, Taavavuoma IR 1980, Taavavuoma Aerial photographs Field work, August 2009 and August 2010 Photos from helicopter Documentation (photos, field protocol, control/calibration areas)

7 Laserscanning Vattenfall Power Consultant AB Laserscanning from 700 m, 5,5 pt/m 2 (+/- 0,1 m; 0,5 m grid) July 2007, Taavavuoma August 2009, Taavavuoma + 9 st other palsa mire areas in Norrbotten Verify repeatability Documentation, presentation, analysis, monitoring changes, combine with vegetation mapping Zero -surface

8 Satellite data Vattenfall Power Consultant AB Satellite data IKONOS data, 2 July 2003, Taavavuoma QuickBird, 9 August 2009, Taavavuoma Kompsat data, 20 July 2009, Taavavuoma Kompsat data, 4 August 2009, Taavavuoma

9 Aerial photographs Vattenfall Power Consultant AB Digital aerial photographs Panchromatic 1963, Taavavuoma IR 1980, Taavavuoma

10 Field work Vattenfall Power Consultant AB Foto: Susanne Backe (lst Norrbotten)

11 Foto: Susanne Backe (lst Norrbotten)

12 Foto: Susanne Backe (lst Norrbotten)

13 Foto: Susanne Backe (lst Norrbotten)

14 Laserscanning 2007 and 2009 Red areas = Differens > 20 cm in altitud between 2007 and 2009

15

16 ArcReader project

17 Field work, augusti 2009 Vattenfall Power Consultant AB Foto: Susanne Backe (lst Norrbotten)

18 Conceptual model Vattenfall Power Consultant AB Literature review - old and recent work, often very detailed with many parameters, mainly based on field work. Aerial photographs historical and recent documentation of palsa mires Field work detailed documentation and calibration data for vegetation classification Laser scanning fingerprint of current situation, base for monitoring, change anaysis Satellite imagery documentation of current situation and classification of palsa vegetation To successfully put up a monitoring programme we think that you need all these components, also work interdisciplinary and near end users!

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