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Record #122578:
- #122578
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MARC recordDetermination of pollen accumulation rates in frozen sediments / Xia-cheng Wang, Marie-Anne Guerts.
| Title: | Determination of pollen accumulation rates in frozen sediments / Xia-cheng Wang, Marie-Anne Guerts. |
| Author(s): | Wang, Xia-cheng. Guerts, Marie-Anne. |
| Date: | 1993. |
| In: | Permafrost and Periglacial Processes. (1993.), Vol. 4(1) (1993) |
| Abstract: | Pollen accumulation rates (PAR) of 48 samples from permafrost core were calibrated to assess influence of ice lensing on calculations. Results show that permafrost formation can radically changes PARs. Accumulation of segregated ice is major source of error, and 9% volumetric expansion of pore water upon freezing should also be considered. Basic result of these influences is exaggeration of sedimentation rates and sample volumes. In northern environments, where permafrost is widespread, PAR data are important in reconstruction of palaeovegetation and palaeoenvironments. |
| Notes: | Permafrost and Periglacial Processes. Vol. 4(1) :87-93 (1993). |
| Keywords: | 58 -- Botany. 581.081.3 -- Pollen analysis. Z -- Miscellaneous. |
| SPRI record no.: | 122578 |
LDR 01331naa#a2200000#a#4500 001 SPRI-122578 005 20231201165940.0 007 ta 008 231201s1993####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-122578 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aWang, Xia-cheng. 245 10 ‡aDetermination of pollen accumulation rates in frozen sediments /‡cXia-cheng Wang, Marie-Anne Guerts. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1993. 300 ## ‡ap. 87-93 :‡bdiags., tables, map. 500 ## ‡aPermafrost and Periglacial Processes. Vol. 4(1) :87-93 (1993). 520 3# ‡aPollen accumulation rates (PAR) of 48 samples from permafrost core were calibrated to assess influence of ice lensing on calculations. Results show that permafrost formation can radically changes PARs. Accumulation of segregated ice is major source of error, and 9% volumetric expansion of pore water upon freezing should also be considered. Basic result of these influences is exaggeration of sedimentation rates and sample volumes. In northern environments, where permafrost is widespread, PAR data are important in reconstruction of palaeovegetation and palaeoenvironments. 650 07 ‡a58 -- Botany.‡2udc 650 07 ‡a581.081.3 -- Pollen analysis.‡2udc 650 07 ‡aZ -- Miscellaneous.‡2local 700 1# ‡aGuerts, Marie-Anne. 773 0# ‡7nnas ‡tPermafrost and Periglacial Processes. ‡gVol. 4(1) (1993) ‡wSPRI-102743 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231201