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Wetland synthesis

Wetland synthesis. Pirita Oksanen and Sandy Harrison University of Bristol. Wetland synthesis: User’s handbook Version 1.1 (January 2007) Pirita O. Oksanen & Sandy P. Harrison. New: - wetland types from RAMSAR mire species from International Mire Conservation Group. Existing databases.

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Wetland synthesis

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  1. Wetland synthesis Pirita Oksanen and Sandy Harrison University of Bristol

  2. Wetland synthesis: User’s handbookVersion 1.1 (January 2007)Pirita O. Oksanen & Sandy P. Harrison • New: • - wetland types from RAMSAR • mire species from International Mire Conservation Group

  3. Existing databases • Palaeo • GORHAM Eville, LEHMAN Clarence, DYKE Arthur, JANSSENS Joannes A. (2005) Temporal and spatial aspects of peatland initiation following deglaciation in North America. Quaternary Science Reviews, in press. 1680 basal peat dates. • MacDONALD Glen M., BEILMAN David W., KREMENETSKI Konstantin V., SHENG Yongwei, SMITH Laurence C., VELICHKO Andrei A. (2006) Rapid early development of circumarctic peatlands and atmospheric CH4 and CO2 variations. Science 314: 285-288. 1516 basal peat dates • Canadian database since 21 400 calBP, macrofossils 829 sites, 1741 wetland inception dates. Arthur Dyke/ Geological Survey • HALSEY Linda A., VITT Dale H., BAUER Ilka E. (1998) Peatland initiation during the Holocene in continental western Canada. Climatic Change 40: 315-342. • HALSEY Linda A., VITT Dale H., GIGNAC Dennis L. (2000) Sphagnum-dominated peatlands in North America since the Last Glacial Maximum: their occurrence and extent. The Bryologist 103, 2: 334-352. - 2000-yr time slices (6 presented), based on Sphagnum spores, 0.5 x 0.5 degrees grid presence/absence • HOELZMANN P., JOLLY D., HARRISON S.P., LAARIF F., BONNEVILLE R., PACHUR H.-J. (1998) Mid-Holocene land-surface conditions in northern Africa and the Arabian Peninsula: A data set for the analysis of biogeophysical feedbacks in the climate system. Global Biogeochemical Cycles 12, 1: 35-51. - at 6000 BP, based mostly on pollen, plus charcoal and plant macrofossil records, 1 x 1 degree grid map • de NOBLET-DUCOUDRE et al. 2002: model for wetland extent in two tropical regions, based on topography and palaeovegetation, 5-minute spatial resolution • KREMENETSKI K.V., VELICHKO A.A., BORISOVA O.K., MacDONALD G.M., SMITH L.C., FREY K.E., ORLOVA L.A. (2003) Peatlands of the Western Siberian lowlands: current knowledge on zonation, carbon content and Late Quaternary history. Quaternary Science Reviews 22: 703-723. • OKSANEN P.O. (2005) Vegetation, stratigraphy and Holocene permafrost dynamics in palsa mires of northern continental Europe. Review, 52 p. In: P.O. Oksanen (2005) Development of palsa mires on the northern European continent in relation to Holocene climatic and environmental changes. Acta Universitatis Ouluensis, Scientiae Rerum Naturalium A 446, 50 p.

  4. US Department of Agriculture from different sources Modern distribution of wetlands

  5. Peatlands with basal dates National Geophysical Data Center

  6. Basal dates at 21000 BP Continental and ice-sheet outlines by Patrick Bartlein, University of Oregon

  7. Mires at 13000 BP P.J. Bartlein Experimental ice-sheet data by W.R Peltier, University of Toronto

  8. Mires at 11000 BP W.R Peltier

  9. Mires at 10000 BP W.R Peltier

  10. Continental outlines by P.J. Bartlein W.R Peltier

  11. 6000 BP Continental and ice-sheet outlines by P.J. Bartlein

  12. Mires at 3000 BP

  13. Accumulation rates

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