Keyphrases
Silcrete
100%
Botswana
89%
Southern Africa
51%
Sarsen
45%
Kalahari Desert
41%
Calcrete
41%
Missionaries
36%
Middle Stone Age
34%
Nineteenth Century
33%
South Africa
31%
Duricrust
30%
Stonehenge
28%
Documentary Evidence
28%
Drought
27%
Dry Valleys
27%
Dunes
26%
Central Southern Africa
26%
19th Century
24%
Rainfall Variability
23%
Rainfall
22%
Africa
20%
Groundwater
18%
Lesotho
17%
Middle Kalahari
16%
Silica
15%
Makgadikgadi Basin
15%
Fennoscandian Ice Sheet
15%
Kuruman
15%
Cape
14%
El Nio
13%
Kola Peninsula
13%
Russian Lapland
13%
Managed Realignment
13%
Open Coast
13%
Namibia
13%
Temperature Variability
12%
Documentary Sources
12%
Historical Climatology
12%
Climate Reconstruction
12%
Southern African
11%
Glaciation
11%
Silicification
11%
Pedogenic
11%
Okavango Delta
10%
Multi-proxy
10%
Okavango
10%
Southern Oscillation
10%
Linear Dunes
10%
Late Pleistocene
10%
Tropics
10%
Earth and Planetary Sciences
Silcrete
99%
Botswana
91%
Southern Africa
70%
Calcrete
36%
Mesolithic
31%
Africa
29%
Republic of South Africa
27%
United Kingdom
26%
Duricrust
25%
Geochemistry
23%
Namibia
21%
Climate Variation
20%
Lesotho
19%
Landform
18%
Ice Sheet
17%
Environmental Change
16%
State of the Art
15%
Continent
15%
Documentary Source
15%
Climate Change
15%
Petrology
13%
Managed Realignment
13%
Spain
13%
Peninsula
13%
Holocene
12%
Australia
11%
London
11%
Europe
11%
Late Pleistocene
10%
Silicification
10%
India
9%
Micromorphology
9%
Fieldwork
9%
Hydrological Change
9%
Time Series
9%
Heat Treatment
9%
Tropical Cyclone
9%
Sea Surface Temperature
8%
Storm
8%
Regional Geography
7%
Southern Oscillation
7%
Zimbabwe
7%
Russia
7%
Malawi
7%
Asia
7%
Calcite
7%
Mineralogy
7%
Archaeological Site
7%
United States of America
6%
Air Flow
6%