Europe Marine Heatwave & Ecosystem Stress Atlas

Hobday Categorization • Anthropogenic Forcing Decomposition • Basin Thermal Anomaly
Grounded in Reuters / Oceanographic Climatology

Basin Simulation Parameters

Climate Attribution Partition
88.4% Anthropogenic 11.6% Natural AMV/Weather

Spatial Basin Thermal Map Mediterranean Sea (Western)

Peak SST Anomaly
+4.8°C
MHW Category
Category IV
Cumul. DHW
14.6
Human Share
88.4%
Anomaly:
+1.0°C to +5.0°C

Ecological & Coastal Impact Assessment

Benthic Gorgonian & Coral Mortality

Severe thermal stress exceeding 90th percentile threshold causes widespread mass mortality in Paramuricea clavata octocorals.

Posidonia Oceanica Meadow Dieback

Prolonged DHW > 8 induces rhizome necrotic rot, collapsing essential carbon sinks and fish nurseries.

Pelagic Range Shift & Fishery Disruption

Cold-affinity species displaced poleward; invasion of tropical thermophilic taxa (e.g. Siganus rabbitfish).

Coastal Convective Storm Potential

Elevated sea surface latent heat flux supercharges Mediterranean Medicane and severe convective squall triggers.

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