The items of atmospheric water vapor hydrogen oxygen stable isotope ratio and flux data set at 15 measuring points include: timestamp (time zone), number (effective data quantity), δ D of R1 (lower air inlet) δ D，‰）， δ D of R2 (upper air inlet) δ D，‰）， δ 18O of R1 (lower air inlet) δ 18O，‰）， δ 18O of R2 upper air inlet δ 18O (‰), vapor mixing ratio of R1 (lower inlet water vapor mixing ratio, mmol / mol), vapor mixing ratio of R2 (upper inlet water vapor mixing ratio, mmol / mol), δ ET_ D (evapotranspiration) δ D，‰）， δ ET_ 18O (evapotranspiration) δ 18O，‰）； The items of the data set of hydrogen and oxygen stable isotope ratio of corn soil and stem at 15 measuring points include timestamp (time zone), remark (treatment: bare soil LD = 1; Film covered soil FM = 2; Male parent soil f = 3; Stem xylem = 4), δ D（‰）， δ 18O（‰）。

 The longitude and latitude of 15 measuring points are 100.3722e, 38.8555n, and the longitude and latitude of 13 measuring points are 100.3785e, 38.8607n, with an altitude of 1552.75m. 15. Atmospheric water vapor is adopted for measuring points δ 18O and δ The two air inlets of the system are 0.5m and 1.5m above the corn canopy, the sampling frequency is 0.2hz, the air inlet switching time is 2min, and the data time interval is 1hr; The sampling frequency of corn soil and stem water samples was 1 ~ 3D. 13. Atmospheric water vapor is adopted for measuring points δ 18O and δ D ratio and flux of mobile observation system for short-term observation; The sampling frequencies of atmospheric water vapor, corn soil and stem water samples were matched with aerial remote sensing flight

 The items in the data set of hydrogen oxygen stable isotope ratio of atmospheric water vapor during aerial remote sensing flight of 13 measuring points include timestamp 1 (start time, timestamp without time zone), timestamp 2 (end time, timestamp without time zone), height (observation altitude, CM), δ D（‰）， δ 18O（‰）。 The data sets of hydrogen and oxygen stable isotope ratios of corn soil and stem during aerial remote sensing flight at measuring points 13 and 15 include timestamp (time zone), remark (treatment: bare soil LD = 1; Film covered soil FM = 2; Stem xylem = 4), δ D（‰）， δ 18O (‰), location (measuring point: 13 or 15 measuring points); Missing data is marked - 6999