9 August 2026

Yangtze River Flood History

The study provides valuable conceptual context on the environmental impact of human engineering on flood risks, which can be used as a comparative case study in answers regarding disaster management and sustainable development.

Questions

1. Examine the role of anthropogenic interventions in altering the hydrological patterns of major river systems. Discuss with reference to the impact of embankments and land-use changes on flood intensity. 150 words
   Attempt this — 150 words in 8 min

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Prelims

1. With reference to the historical flood patterns of the Yangtze River, which of the following statements is correct?

   1. A Flood frequency was lowest during the Little Ice Age (1500-1850).
   2. B Lake reclamation has contributed to an 8% increase in flood intensity.
   3. C Embankments have been found to decrease the intensity of 100-year floods by 18%.
   4. D Human engineering has had no measurable impact on flood severity over the last 500 years.