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The palaeoclimate evidence in peat profiles: stable isotope study (Slovenia)Pezdič, Jože ; Faganeli, Jadran ; Pirc, SimonA 1.5 meters thick profile of peat on Bevški mah (Slovenia, 300 m a.s.l.), $^14C$ dating from 8,500 to 2,500 years B.P. was explored as a paleoclimate record. The [delta] $^13C$ values in fine ... detritus (mainly Sphagnum) ranges from [minus] 28.45 permil at depth of 130 cm to [minus] 24.51 permil at depth of 10 cm. The residues of higer plants have mean [delta] $^13C$ value of [minus] 26.5 [plus minus] 0.5 permil. In addition, Sphagnum at two recent growing peatlands at the altitude of 300 m and at 1,200 m a.s.l., show [delta] $^13C$ = [minus] 28.0 [plus minus] 0.3 permil and [minus] 24.51 [plus minus] 0.6 permil respectively. The organic carbon isotope data of fine detritus in profile show continuous change of [delta] $13^C$ from the oldest-deepest (8,500 years B.P., [minus] 130 cm) to the youngest-upper (2,500 years B.P. [minus] 10 cm) layer. Comparison with [delta] $13^C$ in the recent peat locations leads to conclusion that conditions 8,500 years ago were similar to those currently present at the altitude of 300 m, while 2,500 years ago temperatures were probably even lower than what is found presently at 1,200 m a.s.l., where mean yearly temperature is about 4°C. Carbon isotope composition of Sphagnum relicts seems to be a useful Holocene paleo-climatic indicator in this area.Source: Sustaining our peatlands = Pour une gestion harmonieuse des tourbières : proceedings of the 11th international peat congress = actes du 11e congrès international de la tourbe (vol. 1, 2000, Str.:70-75)Type of material - conference contribution ; adult, seriousPublish date - 2000Language - englishCOBISS.SI-ID - 223326
Author
Pezdič, Jože |
Faganeli, Jadran |
Pirc, Simon
Topics
peatland |
organic mater |
peat |
carbon isotopes |
paleoclimate |
Ljubljansko barje |
Slovenia |
barje |
organska snov šota |
izotopi ogljika |
paleoklima |
Ljubljansko barje |
Slovenija
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Pezdič, Jože | 08230 |
Faganeli, Jadran | 05249 |
Pirc, Simon | 00734 |
Source: Personal bibliographies
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