Earth & Environmental Sciences
seasonality
83%
diatom
78%
Antarctica
77%
varve
59%
ocean
51%
climate
48%
sediment
42%
ice sheet
42%
iceberg
36%
lamination
34%
electron
31%
sea ice
26%
silica
23%
imagery
23%
ooze
20%
paleoceanography
20%
cyclicity
18%
climate change
17%
nutrient availability
16%
floristics
16%
deglaciation
16%
global ocean
16%
ocean circulation
16%
annual cycle
15%
thin section
15%
spore
14%
marine sediment
14%
flora
13%
silt
12%
stratification
12%
seafloor
12%
quartz
10%
clay
9%
cell
9%
sand
9%
summer
8%
history
8%
basin
7%
analysis
3%
Agriculture & Biology
Antarctica
100%
oceans
95%
Bacillariophyceae
88%
sediments
82%
climate
70%
icebergs
39%
sea ice
37%
silica
25%
ice
25%
Jurinea
22%
climate change
21%
electrons
18%
Chaetoceros
18%
marine sediments
18%
glaciers
17%
glaciation
16%
pistons
16%
quartz
15%
silt
14%
vegetative cells
14%
periodicity
13%
nutrient availability
13%
scanning electron microscopes
12%
clay
11%
basins
11%
sand
10%
flora
10%
spores
10%
summer
8%
color
7%