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Table 2 Total number of the daily temperature and precipitation extremes [[44]] for summer in the investigated 20-year time periods

From: Case study for the assessment of the biogeophysical effects of a potential afforestation in Europe

Extreme index Definition [unit] Region Number of days Change of the number of days
    REF SA2 vs. REF SA2F vs. SA2 SA2F vs. REF
SU when DE 168 +212 −29 +183
Number of summer days Tmax ≥ 25°C [day] FR 248 +365 −32 +333
   UA 760 +382 −55 +327
Tx30GE when DE 21 +54 −20 +34
Number of hot days Tmax ≥ 30°C [day] FR 24 +152 −26 +126
   UA 151 +227 −31 +196
Tx35GE when DE 0 +2 −1 +1
Number of extremely hot days Tmax ≥ 35°C [day] FR 1 +22 −10 +12
   UA 8 +47 −7 +40
RR1 when DE 796 +124 −53 +71
Number of dry days Rday < 1 mm [day] FR 931 +185 −45 +140
   UA 1098 +132 −68 +64
RR10 when DE 133 −13 +41 +28
Number of heavy precipitation days Rday ≥ 10 mm [day] FR 127 −38 +20 −18
   UA 110 −21 +14 −7
RR20 when DE 19 0 +17 +17
Number of very heavy precipitation days Rday ≥ 20 mm [day] FR 16 +1 +10 +11
   UA 14 +3 +6 +9
  1. REF: Reference simulation 1971–90, SA2: Emission scenario simulation 2071–90, SA2F: Potential afforestation experiment 2071–90. DE: northern Germany, FR: northeast France, UA: northeast Ukraine. Bold and scored values: potential afforestation would reduce more than half of the climate change signal. Bold values: potential afforestation would enhance the climate change signal.
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