Graph of the Day: Trends in Historic European Droughts, 1962-2004

Trends in drought: Is drought becoming more extreme?

• Meteorological drought (Temperature, Precipitation including snow)
• Hydrological drought (groundwater, river flow)

Timing of minimum flow (earlier, later…)
About 600 small, undisturbed basins Period: 1962-2004
Significant negative trends: 8.7%
Significant positive trends: 0.4%

Lanen, H.A.J. van; Mysiak, J.; Harding, R., Drought: Key Achievements and Challenges, Brussels, Belgium : 2009 Invited presentation at EC-UNISDR International Workshop on Disaster Risk Reduction / meeting EU-FP coordinators on Natural Hazards, 2009-10-28/ 2009-10-30, 2009 [pdf]