Agriculture & Biology
Lake Superior
100%
dissolved organic matter
97%
degradation
40%
land use
25%
base flow
23%
ecosystems
19%
sampling
18%
sunscreens
18%
energy flow
17%
photochemical reactions
17%
photolysis
15%
organisms
15%
urbanization
15%
snow
14%
organic carbon
14%
oceans
14%
ultraviolet radiation
11%
spectroscopy
11%
weather
11%
lakes
10%
rivers
10%
photosynthesis
10%
water
5%
Earth & Environmental Sciences
watershed
48%
degradation
43%
lake
38%
coastal zone
36%
productivity
27%
biota
24%
land use
17%
photodegradation
15%
ecosystem
15%
spectrophotometry
15%
energy flow
15%
baseflow
14%
aquatic system
14%
photosynthesis
12%
tributary
11%
urbanization
10%
penetration
10%
water column
10%
snow
10%
organic carbon
10%
melt
9%
weather
9%
ocean
7%
analysis
7%
loss
7%
river
6%
product
6%
parameter
4%
effect
3%