Spring arctic oscillation as a trigger of summer drought in Siberian subarctic over the past 1494 years

Annually resolved July precipitation and Arctic Oscillation in May reconstructions derived from the d13C and d18O in larch tree-ring cellulose over the period 516-2009 CE for eastern Taimyr (Siberia). July precipitation reconstruction was obtained under the Russian Science Foundation (RSF) Grant number 21-17-00006 (https://rscf.ru/en/project/21-17-00006/) granted to Project Investigator Olga V. Churakova.