Agricultura y biología
air
8%
aquifers
17%
arid zones
53%
cadmium
11%
concentrates
10%
copper
10%
deserts
12%
evaporation
26%
groundwater
56%
groundwater contamination
17%
groundwater flow
100%
heavy metals
11%
irrigation
10%
landfills
33%
metals
19%
Mexico
10%
monitoring
8%
pollution
11%
seasonal variation
11%
soil
19%
solid wastes
16%
valleys
12%
water
5%
Ingeniería y ciencia de los materiales
Air
5%
Aquifers
13%
Arid regions
82%
Cadmium
14%
Contamination
10%
Copper
8%
Evaporation
20%
Groundwater
61%
Groundwater flow
32%
Heavy metals
13%
Impurities
50%
Irrigation
12%
Land fill
25%
Metals
13%
Monitoring
5%
Pollution
9%
Soils
24%
Solid wastes
12%
Water
11%
Ciencias ambientales y de la tierra
air
5%
aquifer
7%
arid region
54%
cadmium
9%
chemical
5%
contamination
6%
copper
7%
desert
8%
evaluation
4%
evaporation
16%
groundwater
31%
groundwater flow
19%
heavy metal
7%
irrigation
8%
landfill
18%
metal
12%
monitoring
5%
pollutant
30%
program
5%
seasonal variation
8%
soil
13%
solid waste
9%
source of pollution
11%
valley
7%
water
6%
well
6%
world
5%
Química
Evaporation
13%
Flow
9%
Groundwater
56%
Heavy Metal
6%
Irrigation
11%
Metal
6%
Soil
18%
Solid Waste
9%
Toxic
5%