Earth & Environmental Sciences
lake
100%
Holocene
44%
sediment
35%
diatom
26%
pollen
26%
lacustrine deposit
24%
Younger Dryas
23%
carbonate
21%
ostracod
20%
late glacial
18%
sediment core
17%
tundra
17%
deglaciation
16%
aquatic ecosystem
16%
rice
16%
sulfate
16%
salinity
15%
fossil
15%
Pleistocene
14%
pigment
14%
history
14%
national park
14%
North America
14%
lake basin
13%
plain
12%
paleoclimate
12%
Pleistocene-Holocene boundary
12%
accumulation rate
11%
peat
11%
sulfide
11%
sediment analysis
11%
paleosalinity
11%
mountain
11%
paleohydrology
10%
watershed
10%
atmospheric deposition
10%
vegetation history
9%
marker
9%
chronology
9%
trace metal
9%
groundwater
9%
lake level
9%
climate variation
9%
fen
8%
catchment
8%
ecotone
8%
environmental change
8%
tephra
8%
acidification
8%
rate
8%
water column
8%
biome
8%
prairie
8%
paludification
8%
porewater
8%
drought
7%
transfer function
7%
pine
7%
isotopic composition
7%
calcium carbonate
7%
repository
7%
diagenesis
7%
temperature change
7%
fluvial deposit
7%
palynology
7%
gypsum
7%
sulfur
7%
productivity
7%
total organic carbon
7%
hydration
7%
lake water
6%
stratigraphy
6%
eutrophication
6%
organic compound
6%
wetland
6%
organic matter
6%
temperature
6%
disturbance
6%
andesite
6%
glacial deposit
6%
chlorophyll
6%
organic carbon
6%
phosphorus
6%
metal
6%
modeling
6%
monsoon
6%
aragonite
6%
remediation
6%
mercury
6%
iron
5%
glacial erosion
5%
Agriculture & Biology
lakes
88%
sediments
65%
geochemistry
26%
aquatic ecosystems
20%
sulfates
19%
Bacillariophyceae
18%
fossils
18%
sulfides
16%
carbonates
14%
Zizania palustris
14%
wild rice
14%
stratigraphy
13%
pollen
13%
climate
13%
tundra
13%
history
12%
ecosystems
12%
Adirondacks
12%
salinity
12%
pigments
11%
trace elements
11%
structural equation modeling
10%
eutrophication
10%
ecotones
9%
glaciation
9%
Manitoba
9%
groundwater
9%
organic carbon
9%
controllers
8%
remediation
8%
chemistry
8%
wetlands
8%
prairies
8%
aragonite
7%
surface water
7%
iron
6%
sulfur
6%
Canada
6%
National Science Foundation
6%
primary productivity
6%
hydrochemistry
6%
terrestrial ecosystems
6%
Great Plains region
6%
pollen analysis
5%
drought
5%
marine science
5%
organic matter
5%
information dissemination
5%
mineralogy
5%
vegetation
5%
salt lakes
5%