Keyphrases
Silcrete
100%
Botswana
91%
Southern Africa
52%
Kalahari Desert
42%
Calcrete
42%
Missionaries
37%
Sarsen
36%
Middle Stone Age
34%
Nineteenth Century
34%
South Africa
32%
Duricrust
30%
Documentary Evidence
29%
Drought
28%
Dry Valleys
28%
Dunes
27%
Central Southern Africa
26%
19th Century
24%
Rainfall Variability
24%
Rainfall
22%
Africa
20%
Stonehenge
20%
Groundwater
18%
Lesotho
18%
Middle Kalahari
16%
Makgadikgadi Basin
15%
Fennoscandian Ice Sheet
15%
Kuruman
15%
Silica
15%
Cape
14%
El Nio
14%
Kola Peninsula
13%
Russian Lapland
13%
Managed Realignment
13%
Open Coast
13%
Namibia
13%
Temperature Variability
13%
Documentary Sources
12%
Historical Climatology
12%
Climate Reconstruction
12%
Southern African
11%
Glaciation
11%
Silicification
11%
Pedogenic
11%
Okavango Delta
11%
Multi-proxy
11%
Okavango
11%
Southern Oscillation
10%
Linear Dunes
10%
Late Pleistocene
10%
Tropics
10%
Earth and Planetary Sciences
Silcrete
92%
Botswana
79%
Southern Africa
64%
Calcrete
37%
Mesolithic
27%
United Kingdom
27%
Duricrust
26%
Africa
25%
Republic of South Africa
25%
Geochemistry
24%
Namibia
21%
Ice Sheet
17%
Petrography
16%
State of the Art
16%
Continent
16%
Lesotho
15%
Documentary Source
14%
Managed Realignment
13%
Spain
13%
Peninsula
13%
Australia
11%
Landform
11%
Morality
11%
Europe
11%
Environmental Change
10%
Holocene
10%
Silicification
10%
India
10%
Micromorphology
10%
Fieldwork
9%
London
9%
Dune
9%
Hydrological Change
9%
Time Series
9%
Cyclones
9%
Heat Treatment
9%
Climate Variation
9%
Climate Change
9%
Sea Surface Temperature
8%
Southern Oscillation
8%
Russia
7%
Malawi
7%
Asia
7%
Calcite
7%
Mineralogy
7%
Archaeological Site
7%
United States of America
6%
Zimbabwe
6%
Air Flow
6%
Natural Disaster
6%