Earth & Environmental Sciences
water chemistry
100%
acid
55%
trend
48%
river
48%
lake
38%
cation
36%
buffering
35%
water
29%
surface water
22%
acidification
21%
dissolved organic carbon
20%
watershed
15%
shallow soil
13%
inorganic carbon
12%
drainage water
12%
nitric acid
12%
atmospheric deposition
11%
draining
11%
headwater
11%
sulfuric acid
10%
low flow
10%
acidity
10%
drain
10%
anion
10%
residence time
9%
North America
8%
drainage
8%
hydraulics
7%
winter
6%
summer
6%
loss
5%
basin
5%
chemical
5%
soil
4%
Chemical Compounds
Chemistry
57%
Surface Water
51%
Cation
38%
Acid
34%
Drainage Water
27%
Soil
27%
pH Value
27%
Flow
21%
Residence Time
17%
Retention Time
15%
Nitric Acid
14%
Sulfuric Acid
14%
Ionic Strength
12%
Anion
9%
Carbon Atom
7%