Connolly, John ORCID: 0000-0002-2897-9711 and Holden, Nicholas M. ORCID: 0000-0002-0452-4632 (2011) Mapping peatland disturbance in Ireland: an object oriented approach. In: SPIE Remote Sensing for Agriculture, Ecosystems, and Hydrology XIII, 19-22 Sept 2011, Prague, Czech Republic.
Abstract
Peatlands contain large amounts of soil organic carbon. In a pristine state they sequester atmospheric carbon dioxide
(CO2), however, when they are disturbed they emit it. In Ireland peatlands are extensive and cover 20% of the national
land area. They contain between 53% and 62% of the total national soil organic carbon. However, large areas of Irish
peatlands have been disturbed by anthropogenic activity. This activity includes drainage, mechanical extraction and
burning. These activities lead to the reduction of the resilience of the peatland to climate and environmental change and
can lead to the increased vulnerability of the peatland carbon stock. In this research an object oriented approach is used
to examine high resolution imagery of a raised bog in Ireland and to extract a map of disturbed peatlands. The object
oriented approach is implemented in ArcGIS with high resolution Geoeye-1 satellite imagery. The main disturbance
classes identified were rough grazing, pasture, molinia, coniferous forest, high bog, drained bog and scrub. The users
accuracy for each individual class ranged from 66% to 92% and the overall accuracy assessment for the disturbance map
85%.
Metadata
Item Type: | Conference or Workshop Item (Paper) |
---|---|
Event Type: | Conference |
Refereed: | Yes |
Uncontrolled Keywords: | Peatland disturbance; object-oriented; raised bogs; Ireland; Geoeye-1, high resolution imagery |
Subjects: | UNSPECIFIED |
DCU Faculties and Centres: | DCU Faculties and Schools > Faculty of Humanities and Social Science > School of History and Geography |
Published in: | Neale, Christopher M. U., Maltese, Antonino and Richte, Katja, (eds.) Proceedings, Remote Sensing for Agriculture, Ecosystems, and Hydrology XIII. 8174. SPIE. |
Publisher: | SPIE |
Official URL: | http://dx.doi.org/10.1117/12.898573 |
Copyright Information: | © 2011 SPIE |
Use License: | This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License |
Funders: | Environmental Protection Agency of Ireland for funding this research under the National Development Plan and the STRIVE Programme 2007 -2013. |
ID Code: | 23575 |
Deposited On: | 17 Jul 2019 15:33 by Thomas Murtagh . Last Modified 18 Jul 2019 13:00 |
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