Arts & Humanities
Baltic Sea
84%
Sediment
75%
Stratigraphy
75%
Diatoms
37%
Historical Records
17%
Environmental Reconstruction
15%
Geochronology
14%
Nuclear Weapons
13%
Heavy Metals
13%
Layer
13%
Lead Isotopes
13%
Gotland
13%
Chronology
11%
Manganese
11%
Carbonate
11%
Sedimentation
11%
Environmental Change
10%
Decay
9%
Accidents
7%
Departure
7%
1970s
5%
1960s
5%
Testing
5%
Earth & Environmental Sciences
event stratigraphy
94%
sea
31%
sediment
28%
PCB
23%
radionuclide
22%
diatom
22%
historical record
18%
algal bloom
14%
inflow
14%
marker
14%
nuclear weapons testing
13%
Chernobyl accident
10%
dating method
10%
lead isotope
10%
background level
9%
basin
8%
geochronology
8%
chronology
7%
manganese
7%
environmental change
7%
stable isotope
7%
dating
6%
sedimentation
6%
heavy metal
6%
disturbance
5%
carbonate
5%
chemical
4%
Agriculture & Biology
stratigraphy
100%
Baltic Sea
74%
sediments
54%
polychlorinated biphenyls
29%
radionuclides
28%
historical records
22%
algal blooms
20%
manganese carbonate
16%
basins
15%
Ukraine
9%
accidents
9%
isotopes
8%
Bacillariophyceae
8%
heavy metals
7%
deterioration
6%
testing
3%
methodology
2%
Social Sciences
event
33%
reconstruction
20%
nuclear weapon
12%
accident
10%
time
4%