Extreme events

  • Inland heat wave refers to an extended period (48 to 72 h) of tremendous heat and humidity in inland water bodies which usually occurs in the summer months
  • Periodic occurrence of inland heat waves under ‘caution’ category observed over lower stretch of Ganga River and associated wetland in West Bengal with predominance during summer months (April-July)
  • Heat wave enhanced harmful cyanobacterial bloom
  • Low feeding intensity of fishes observed during heatwave conditions
  • Frequent occurence of cyclones and storm surges in the coastal parts of West Bengal and Odisha
  • Impact of cyclones and storms on saline water inundation using a digital elevation model
  • Probability of 3 to 11% submergence of aquaculture areas in response to 1 to 2 m rise in coastal districts of West Bengal
  • Increasing occurrence of extreme events is a major threat to fisheries and livelihood

Effect of cyclone