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We present new chemical abundance measurements of 16 damped Lya systems atz>1.5 and update our previous abundance analyses. The entire database presentedhere was derived from HIRES observations on the Keck I telescope, reduced withthe same software package, and analysed with identical techniques. Altogether,we present a large, homogeneous database of chemical abundance measurements forprotogalaxies in the early universe, ideal for studying a number of importantaspects of galaxy formation. In addition, we have established an onlinedirectory for this database and will continuously update the results.

The UCSD HIRES/Keck I Damped Lyα Abundance Database. I. The Data