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Water Vapor Isotopic Composition from the ARM ENA Site, March 2018-March 2019
Humidity and water vapor δD and δ18O measurements were collected for a period of one year (March 1, 2018 to February 28, 2019) at the Department of Energy Atmospheric Radiation Measurement facility on Graciosa Island, Azores. Continuous in-situ measurements were collected in the boundary layer using a Los Gatos Research Triple Water Vapor Isotope Analyzer. Stable Isotope measurements were corrected for humidity-induced bias, calibrated to international standards, accounted for time-drift, and are presented as 3-hour averages.