Browsing ELibrary by Subject "ICE CORES"
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Browsing ELibrary by Subject "ICE CORES"
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(2006)A 1000-yr record of forest fire activity has been developed using three annually dated ice cores from Eclipse Icefield, Yukon, Canada. Forest fire signals were identified as NH4+ residuals above a robust spline and ...
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(2006)New techniques which allow small amounts of Sr to be reliably analysed [G.R. Burton, V.I. Morgan, C.F. Boutron, K.J.R. Rosman, High-sensitivity measurements of strontium isotopes in polar ice, Anal. Chim. Acta 469 (2002) ...
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(2006)Gas ratios in air withdrawn from polar firn (snowpack) show systematic enrichments of Ne/N2, O2/N2 and Ar/N2, in the firn-ice transition region where bubbles are closing off. Air from the bubbles in polar ice is correspondingly ...
Now showing items 1-3 of 3