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Record #187005:
- #187005
Main publication details
MARC recordEndolithic lichens, rapid biological weathering and Schmidt hammer R-values on recently exposed rock surfaces: Storbreen glacier foreland, Jotunheimen, Norway / John A. Matthews, Geraint Owen.
| Title: | Endolithic lichens, rapid biological weathering and Schmidt hammer R-values on recently exposed rock surfaces: Storbreen glacier foreland, Jotunheimen, Norway / John A. Matthews, Geraint Owen. |
| Author(s): | Matthews, John A. Owen, Geraint. |
| Date: | 2008. |
| In: | Geografiska Annaler. Series A. Physical Geography. (2008.), Vol. 4 (2008) |
| Abstract: | Investigates rate of biological weathering on recently exposed rock surfaces, including moraine ridges deposited by glacier in 1980s and 1990s. Aims to: measure effect of endolithic lichens (Lecidea auriculata) on rock hardness on boulder surfaces in 0-88 year age range; compare implied rate of biological weathering with that reported for older surfaces on Storbreen foreland and for biological and non-biological weathering in Arctic-alpine and polar environments more widely; assess implications for exposure-age dating based on Schmidt hammer and other methods. Reports R-values lowered by at least 20 units on surfaces exposed for 30-40 years, implying weathering rates 200-300 times faster than physico-chemical weathering alone. |
| Notes: | Geografiska Annaler. Series A. Physical Geography. Vol. 4 :287-297 (2008). |
| Keywords: | 551.33 -- Glacial geology. 551.311.23 -- Weathering. 551.321 -- Glaciological methods and instruments. 550.93 -- Geochronology. 551.332.52 -- Moraines, terminal and recessional. 582.29 -- Lichens. E7 -- Glaciology: glacial geology and ice ages. (*2) -- Polar regions. (211) -- Cold Regions in general. (*3) -- Arctic regions. (*58) -- Norway. |
| SPRI record no.: | 187005 |
LDR 02032naa#a2200000#a#4500 001 SPRI-187005 005 20231201010235.0 007 ta 008 231201s2008####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-187005 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aMatthews, John A. 245 10 ‡aEndolithic lichens, rapid biological weathering and Schmidt hammer R-values on recently exposed rock surfaces :‡bStorbreen glacier foreland, Jotunheimen, Norway /‡cJohn A. Matthews, Geraint Owen. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2008. 300 ## ‡ap. 287-297 :‡bill., diags., table, map. 500 ## ‡aGeografiska Annaler. Series A. Physical Geography. Vol. 4 :287-297 (2008). 520 3# ‡aInvestigates rate of biological weathering on recently exposed rock surfaces, including moraine ridges deposited by glacier in 1980s and 1990s. Aims to: measure effect of endolithic lichens (Lecidea auriculata) on rock hardness on boulder surfaces in 0-88 year age range; compare implied rate of biological weathering with that reported for older surfaces on Storbreen foreland and for biological and non-biological weathering in Arctic-alpine and polar environments more widely; assess implications for exposure-age dating based on Schmidt hammer and other methods. Reports R-values lowered by at least 20 units on surfaces exposed for 30-40 years, implying weathering rates 200-300 times faster than physico-chemical weathering alone. 650 07 ‡a551.33 -- Glacial geology.‡2udc 650 07 ‡a551.311.23 -- Weathering.‡2udc 650 07 ‡a551.321 -- Glaciological methods and instruments.‡2udc 650 07 ‡a550.93 -- Geochronology.‡2udc 650 07 ‡a551.332.52 -- Moraines, terminal and recessional.‡2udc 650 07 ‡a582.29 -- Lichens.‡2udc 650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local 651 #7 ‡a(*2) -- Polar regions.‡2udc 651 #7 ‡a(211) -- Cold Regions in general.‡2udc 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*58) -- Norway.‡2udc 700 1# ‡aOwen, Geraint. 773 0# ‡7nnas ‡tGeografiska Annaler. Series A. Physical Geography. ‡gVol. 4 (2008) ‡wSPRI-40621 916 ## ‡a2009/04/09 -- RF 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20231201 ‡bRF