Leaf level oak isoprene emissions and co2/H2O exchange in the Ozarks, USA BAGeron.csv is the speciated biomass displayed in Figure 1. Biomass Dry Weights.xlsx is used to convert leaf area to dry leaf biomass and is used in Figure 2. Daly Ozarks leaf ISOP.txt and MOFLUX_Isoprene Summary_refined Tcurve data.xlsx are the leaf isoprene emission rate files shown in Figure 2. Harley Aug12_Chris.xls is the leaf isoprene emission rate file shown in Figure 3. Daly Ozarks leaf.txt is the BVOC emissions file used for Figure 7 and Table 4. Drought IS.txt is the review data given in Table 2. Fig4 Aug10 2012 Harley.txt is shown in Figure 4. Fig 5 Aug14 2012 Harley.txt is shown in Figure 5. Daly Ozarks Leaf.txt is used in Fig 7. Drought IS.txt is used in Fig 8. This dataset is associated with the following publication: Geron , C., R. Daly , P. Harley, R. Rasmussen, R. Seco, A. Guenther, T. Karl, and L. Gu. Large Drought-Induced Variations in Oak Leaf Volatile Organic Compound Emissions during PINOT NOIR 2012. CHEMOSPHERE. Elsevier Science Ltd, New York, NY, USA, 146: 8-21, (2016).