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Record #106767:
- #106767
Main publication details
MARC recordDifficulties in deducing temporal changes in precipitation chemistry from snow and ice cores: the spatial variability problem. Paper presented at the 8th Northern Res. Basins Symposium/Workshop (Abisko, Sweden - March 1990) / R.C. Metcalf, D.V. Peck.
| Title: | Difficulties in deducing temporal changes in precipitation chemistry from snow and ice cores: the spatial variability problem. Paper presented at the 8th Northern Res. Basins Symposium/Workshop (Abisko, Sweden - March 1990) / R.C. Metcalf, D.V. Peck. |
| Author(s): | Metcalf, R. C. Peck, D. V. |
| Date: | 1990. |
| In: | Nordic Hydrology. (1990.), Vol. 21(4-5) (1990) |
| Abstract: | Depth profiles of chemical impurities in snow and ice are usually interpreted in terms of temporal changes in atmospheric concentrations. Measurements of pH and conductivity from individual snow stratigraphic layers sampled above 2600 m indicate local spatial variation in these parameters could be sufficiently large to mask temporal changes inferred from depth profiles. Inferences concerning past climates based on assumed temporal chemical variations for given depth profile are, therefore, suspect. Presents method for calculating number of samples of any given stratigraphic layer necessary to obtain required precision about mean pH in vertical ice profile. |
| Notes: | Nordic Hydrology. Vol. 21(4-5) :299-316 (1990). |
| Keywords: | 551.578.46 -- Snow cover and snow patches. 551.324 -- Land ice. 54 -- Chemistry. 504.054 -- Pollution. 551.32 -- Glaciology. 504.054(203) -- Pollution, air. 551.583.3 -- Climatic changes, Quaternary. E10 -- Glaciology: snow and avalanches. |
| Location(s): | SCO: SPRI-SHF: 551.579.2 |
| SPRI record no.: | 106767 |
LDR 01847naa#a2200000#a#4500 001 SPRI-106767 005 20240416173433.0 007 ta 008 240416s1990####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-106767 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aMetcalf, R. C. 245 10 ‡aDifficulties in deducing temporal changes in precipitation chemistry from snow and ice cores :‡bthe spatial variability problem. Paper presented at the 8th Northern Res. Basins Symposium/Workshop (Abisko, Sweden - March 1990) /‡cR.C. Metcalf, D.V. Peck. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1990. 300 ## ‡ap. 299-316 :‡bdiags., tables. 500 ## ‡aNordic Hydrology. Vol. 21(4-5) :299-316 (1990). 520 3# ‡aDepth profiles of chemical impurities in snow and ice are usually interpreted in terms of temporal changes in atmospheric concentrations. Measurements of pH and conductivity from individual snow stratigraphic layers sampled above 2600 m indicate local spatial variation in these parameters could be sufficiently large to mask temporal changes inferred from depth profiles. Inferences concerning past climates based on assumed temporal chemical variations for given depth profile are, therefore, suspect. Presents method for calculating number of samples of any given stratigraphic layer necessary to obtain required precision about mean pH in vertical ice profile. 650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a54 -- Chemistry.‡2udc 650 07 ‡a504.054 -- Pollution.‡2udc 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a504.054(203) -- Pollution, air.‡2udc 650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc 650 07 ‡aE10 -- Glaciology: snow and avalanches.‡2local 700 1# ‡aPeck, D. V. 773 0# ‡7nnas ‡tNordic Hydrology. ‡gVol. 21(4-5) (1990) ‡wSPRI-191440 852 7# ‡2camdept‡bSCO‡cSPRI-SHF‡h551.579.2‡9Create 1 item record‡0Migrate 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240416