Earth & Environmental Sciences
silcrete
100%
valley
47%
Southern Africa
46%
duricrust
39%
calcrete
37%
desert
33%
sediment
31%
Africa
29%
managed realignment
27%
landscape evolution
27%
landslide
26%
nineteenth century
22%
rainfall
22%
climate
21%
drainage
18%
artifact
18%
drought
18%
Holocene
18%
dune
17%
micromorphology
17%
environmental change
16%
stone
16%
bedrock
15%
groundwater
15%
state of the art
14%
basin
14%
Mesolithic
14%
material
14%
river
12%
mineralogy
12%
evaluation
12%
coast
12%
Bronze Age
11%
hydrological change
11%
documentary source
11%
fluvial deposit
10%
silicification
10%
ice sheet
10%
tailings
10%
geochemistry
10%
landform
10%
climatology
10%
catchment
10%
silica
10%
mass movement
10%
carbonate
10%
diamicton
10%
erosion
10%
ice
9%
geological record
9%
brass
9%
excavation
9%
gold
9%
modeling
9%
cerussite
8%
document
8%
carbon isotope
8%
vegetation
8%
temperature
8%
terrace
8%
forest clearance
8%
scour
7%
uplift
7%
port development
7%
archaeology
7%
project
7%
monument
7%
plateau
7%
coastal evolution
7%
mountain
7%
iceberg
7%
stable isotope
7%
mitigation
7%
gravity flow
7%
sand
7%
geochemical survey
7%
Medieval
7%
famine
7%
thin section
7%
analysis
7%
birefringence
7%
mass wasting
7%
fan delta
7%
alluvial fan
7%
anomaly
6%
estuarine sediment
6%
Weichselian
6%
social change
6%
Messinian
6%
extreme event
6%
climate change
6%
Pleistocene
6%
mineral processing
6%
chronology
6%
escarpment
6%
soil
6%
charcoal
6%
continent
6%
sedimentation
6%
geology
6%
Arts & Humanities
Kalahari
35%
Stonehenge
24%
Drought
20%
Southern Africa
19%
Provenancing
18%
Climate
16%
Geochemistry
16%
Climate Reconstruction
13%
Rainfall
13%
Botswana
13%
Climatology
12%
Fluvial
12%
Ground Water
11%
Megaliths
11%
Artifact
11%
Knapping
9%
Stone Tools
9%
Quartz
9%
Petrography
8%
Documentary Sources
8%
Temperature
8%
Heat Treatment
7%
Data Collection
7%
Eastern Africa
7%
Raters
7%
Sediment
7%
Famine
7%
Mineralogy
7%
Chemical Composition
6%
Fossil
6%
Geochemical Analysis
6%
Water
6%
Rivers
6%
Weathering
6%
Theory of Mind
5%
1890s
5%
Historical Sources
5%
Sourcing
5%
Missionaries
5%