@incollection{fdi:010091508, title = {{E}xtreme events in the {I}ndian {O}cean : marine heatwaves, cyclones, and tsunamis}, author = {{F}eng, {M}. and {L}engaigne, {M}atthieu and {M}anneela, {S}unanda and {S}en {G}upta, {A}. and {V}ialard, {J}{\'e}r{\^o}me}, editor = {}, language = {{ENG}}, abstract = {{I}n this chapter, we review the current knowledge on high-impact oceanic extremes in the {I}ndian {O}cean, namely, marine heatwaves ({MHW}s), tropical cyclones ({TC}s), and tsunamis. {MHW}s and {TC}s are both modulated by {I}ndo-{P}acific climate variability, in particular, the {E}l {N}iño-{S}outhern {O}scillation and the {I}ndian {O}cean {D}ipole. {A}nthropogenic warming has resulted in more frequent {MHW}s over the past two decades, a tendency very likely to increase further. {B}ecause of their stochastic nature, it is difficult to confidently attribute the declines in {TC} numbers, observed over large parts of the {I}ndian {O}cean except for the {A}rabian {S}ea, to climate change. {F}uture projections consistently suggest fewer {TC}s in the southern {I}ndian {O}cean but also more intense {TC}s with more extreme precipitation at the basin scale. {S}ubduction of the {I}ndian and {A}ustralian plates underneath the {E}urasian plate creates hotspots for earthquakes in the {I}ndian {O}cean that generate tsunamis, devastating bordering countries. {M}onitoring, predictions, and early warning systems are crucial to mitigate the impacts of marine extremes.}, keywords = {{OCEAN} {INDIEN}}, booktitle = {{T}he {I}ndian {O}cean and its role in the global climate system}, numero = {}, pages = {121--144}, address = {}, series = {}, year = {2024}, DOI = {10.1016/b978-0-12-822698-8.00011-1}, ISBN = {978-0-12-822698-8}, URL = {https://www.documentation.ird.fr/hor/fdi:010091508}, }