Impact details: reduced thermal stress

impact chain for tropical coastal areas / storms (click nodes to view details):
selected case study results:
Case study reference
Spatial context
Impact description (case study)
Case study recommendations
Carrigan, A. D., & Puotinen, M. L. (2011). Assessing the potential for tropical cyclone induced sea surface cooling to reduce thermal stress on the world's coral reefs. Geophysical Research Letters, 38(23). Global This is actually a positive impact. At broad spatial scales, tropical cyclones can induce cooling of the upper ocean (SST drops up to 6°C) which can persist for weeks and thus reduce thermal stress and accelerate the recovery of bleached corals due to sea-surface temperature (SST) warming). From an analysis of a global dataset (1985-2009) related to tropical cyclones (TC), significant correlations were found between TC activity and the severity of thermal stress at various spatial scales, particularly for Caribbean reefs. From this, it is apparent that TCs play a role in bleaching dynamics at a global scale. During years of high thermal stress and frequent TCs, thermal stress at reef areas was generally low when TC activity was high. However, the prevalence and distribution of this interaction varies by region and requires further examination at finer spatial and temporal scales using actual SST data -

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