Geodesy and Gravity: Time variable gravity (7223
7230)
Hydrology: Drought (4303)
Hydrology: Groundwater hydrology
Hydrology: Irrigation
[SDE.MCG] Environmental Sciences/Global Changes
[PHYS.PHYS.PHYS-GEO-PH] Physics/Physics/Geophysics
[SDU.STU.GP] Sciences of the Universe/Earth Sciences/Geophysics
[SDU.ENVI] Sciences of the Universe/Continental interfaces, environment
[SDU.STU] Sciences of the Universe/Earth Sciences