Tree-Ring Drought Atlas Portal

Settlement Drought 1791-1792
December-February PDSI

Eastern Australia and New Zealand Drought Atlas

Reconstruction: Summer (December-February) self-calibrating Palmer Drought Severity Index (PDSI)

Latitude/Longitude Grid: 0.5°

Time Period: AD 1500-2012

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Spanish Conquest Drought 1521-1524
June-August PDSI

Mexican Drought Atlas

Reconstruction: Summer (June-August) self-calibrating Palmer Drought Severity Index (PDSI)

Latitude/Longitude Grid: 0.5°

Time Period: AD 1400-2012

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The Great Drought 1876-1878
June-August PDSI

Monsoon Asia Drought Atlas

Reconstruction: Summer (June-August) self-calibrating Palmer Drought Severity Index (PDSI)

Latitude/Longitude Grid: 2.5°

Time Period: AD 1300-2005

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Civil War Drought 1856-1865
June-August PDSI

North American Drought Atlas

Reconstruction: Summer (June-August) self-calibrating Palmer Drought Severity Index (PDSI)

Latitude/Longitude Grid: 0.5°

Time Period: AD 0000-2005

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1540 Drought
June-August PDSI

Old World Drought Atlas

Reconstruction: Summer (June-August) self-calibrating Palmer Drought Severity Index (PDSI)

Latitude/Longitude Grid: 0.5°

Time Period: AD 0000-2012

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