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RS13 Submission O-3-7-60: The Flood Elasticity under Changing Conditions: An Application in a Tropical Monsoon Basin of Thailand

XVIII IWRA World Water Congress Beijing China 2023
Sub-theme 3: Building Resilience for Disaster Prevention and Mitigation
Author(s): Presenter: Baoxu Zhao

Presenter: Baoxu Zhao

Organisation: General Institute of Water Resources and Hydropower Planning and Design, MWR, China


Oral: PDF

Abstract

Date: Sept. 12th   Session No.: RS 13   Theme: 3-7   Submission No.: O-3-7-60

Flood elasticity analyses under changing conditions:

  • Employment of covariates: Enabling the predictions of future floods;
  • Statistical model (GAMLSS): Validated by process-based models;
  • Flood elasticity: Weaker for stronger events;
  • Storm-flood elasticity: Different values under the nonstationary case.
  • Future flood peak changes in the UCPRB:

Future flood: Increasing till late 21st century;

  • Scenario: SSP585>SSP370>SSP245>SSP126;
  • Climate change: Increasing dominance as time flows;
  • Deforestation: Larger effects for stronger events.
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