Yuan, F., Linsley, B. K., Lund, S. P. and McGeehin, J. P.: A 1200 year record of hydrologic variability in the Sierra Nevada from sediments in Walker Lake, Nevada, Geochemistry, Geophysics, Geosystems, 5(3), doi:10.1029/2003gc000652, 2004.

A 1200 year record of hydrologic variability in the Sierra Nevada from sediments in Walker Lake, Nevada

Kiel automated device for isotope ratio mass spectrometry on a Finnigan Delta XLfor isotope ratio mass spectrometry on a Finnigan Delta XL

Jellybean is an evaporation-insensitive lake; The d18O of Jellybean Lake water (average 20.4 ) was identical to mean annual precipitation ( 20.4 ). We conclude that multi-annual y18 Op variation in this region is not driven by temperature changes alone. We suggest that temporal changes in atmospheric circulation across the St. Elias Mountains are the major control on the oxygen isotope composition of precipitation in the interior of the southern Yukon and hence hydrologically open lakes such as Jellybean.

We infer that  the primary control on y18Op in the southwest Yukon is temporally changing moisture trajectories into and over the coastal mountains driven by the strength and the position of the AL. Assuming this is correct, the y18OCa from Jellybean Lake provides a record of Holocene changes in intensity and/ or position of the AL

dsample= [(Rsample/ Rstandard) _ 1] _ 1000_, where R is the18O/16O

year (MAT1c6728fe77): interpretation4_scope: '' has been replaced by 'climate'
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d18O (LS05ANJE): paleoData_isPrimary: '' has been replaced by 'FALSE'
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year (MAT1c6728fe77): paleoData_primaryAgeColumn: '' has been replaced by 'TRUE'
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depth (MAT5175f76627): paleoData_primaryAgeColumn: '' has been replaced by 'FALSE'