Física y astronomía
aquifers
100%
basements
13%
characterization
36%
contamination
8%
electrical resistivity
5%
electromagnetic measurement
14%
exploitation
10%
geometry
5%
gravitation
6%
ground water
13%
horizon
18%
metamorphic rocks
17%
Mexico
90%
profiles
5%
sounding
11%
stratigraphy
16%
tectonics
14%
tomography
7%
valleys
64%
water
15%
water quality
14%
Ciencias ambientales y de la tierra
aquifer
47%
basin
4%
city
15%
contamination
6%
electrical resistivity
7%
geometry
6%
graben
9%
gravity
6%
groundwater
5%
infill
10%
metamorphic rock
9%
mylonite
11%
need
4%
stratigraphy
8%
tectonics
6%
tomography
8%
vadose zone
9%
valley
44%
vertical electrical sounding
12%
water
5%
water quality
6%
water supply
7%
well
6%
Ingeniería y ciencia de los materiales
Aquifers
84%
Contamination
12%
Geometry
7%
Gravitation
11%
Groundwater
15%
Metamorphic rocks
24%
Stratigraphy
21%
Tectonics
18%
Tomography
12%
Water
14%
Water quality
15%
Water supply
15%