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