Engineering & Materials Science
Aquifers
88%
Groundwater
80%
Salt water intrusion
79%
Water wells
41%
Stratigraphy
22%
Organic chemicals
20%
Calcium chloride
19%
Dissolved oxygen
17%
Potable water
17%
Seawater
15%
Coastal zones
14%
Calcium
14%
Water
14%
Magnesium
14%
Sodium chloride
14%
Sodium
13%
Contamination
13%
Ions
12%
Sampling
9%
Set theory
8%
Monitoring
7%
Temperature
5%
Agriculture & Biology
total dissolved solids
95%
aquifers
93%
groundwater
73%
saltwater intrusion
42%
stratigraphy
14%
representative sampling
13%
Piper
10%
water distribution
10%
calcium chloride
9%
organic compounds
9%
dissolved oxygen
9%
drinking water
8%
dry season
7%
wet season
7%
sodium chloride
7%
seawater
7%
magnesium
7%
chlorides
7%
water
6%
livestock
6%
coasts
6%
sodium
6%
ions
6%
monitoring
5%
calcium
5%
temperature
3%
Medicine & Life Sciences
Groundwater
100%
Seawater
88%
Water Wells
58%
Piper
25%
Calcium Chloride
22%
Water
22%
Livestock
20%
Sodium Chloride
19%
Chlorides
18%
Magnesium
17%
Drinking Water
16%
Sodium
14%
Ions
14%
Temperature
12%
Oxygen
12%
Calcium
11%
Earth & Environmental Sciences
aquifer
49%
well
45%
groundwater
40%
seawater
32%
water well
26%
distribution
24%
chloride
17%
calcium
17%
monitoring network
12%
sodium chloride
12%
livestock
10%
dry season
10%
magnesium
9%
dissolved oxygen
9%
stratigraphy
9%
diagram
8%
drinking water
8%
sodium
8%
family
8%
public
7%
contamination
7%
services
7%
water
6%
coast
6%
sampling
6%
chemical
5%
temperature
4%
Chemistry
Groundwater
73%
Well Water
47%
Sodium Chloride
16%
Magnesium Atom
14%
Sampling
14%
Calcium(0)
13%
Sodium Atom
10%
Chloride
9%
Dioxygen
8%
pH Value
7%
Ion
6%