Urban areas are cooler than non-urban areas during heat waves

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A study by IIT Gandhinagar of 89 urban areas in India has found that though there ss an absolute increase in temperature during heat waves in both urban and non-urban areas, the urban areas are relatively cooler than the surrounding non-urban areas.

Key Facts:

  • They found that At 1.94°C, the absolute increase in temperature during the day in non-urban areas during a heat wave was significantly higher than in urban areas (0.14°C).
  • According to the analysis, urban areas were found to be relatively cooler than the surrounding non-urban areas during heat waves.
  • At 44.5°C, the non-urban areas were warmer than urban areas (43.7°C). However, during the night, all urban areas were hotter than the surrounding nonurban areas.
  • About 44% of urban areas showed an increase in frequency of hot days while 34% showed a significant decline in frequency of hot days.

Source:The Hindu

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