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Hydrometeorological hazards and risk of natural disasters:

The 2010-2016 drought in the semiarid Northeast Brazil region

Jose A. Marengojose.marengo@cemaden.gov.br

Research and Development DirectorSao Paulo, Brazil

CEMADEN

Types of natural disasters in Brazil

Principais Desastres Naturais no Brasil 2000-2007

14%

3%

6%

58%

11%8%

Seca Epidemia Temperatura Extrema

Inundação Deslizamento Vendavais

Fonte: Vulnerabilidade Ambiental / Rozely Santos, organizadora. – Brasilia: MMA, 2007.

Principais Desastres Naturais no Brasil 2000-2007

14%

3%

6%

58%

11%8%

Seca Epidemia Temperatura Extrema

Inundação Deslizamento Vendavais

Desastres naturais no BrasilTypes of Natural Disasters

•Landslides, mudflow and debris flows

•Floods, flashfloods, floodings

•Crop failure

•Fires

•Coastal erosion

•Acute episodes of air and water pollution

•Water supply collapse

•Epidemies

Triggers of Natural Disaster

•Intense/prolonged rains, storms

•Windstorms, hail

•Temperature and humidity of air extremes

•Strong winds

•Dry spells

National Strategy for Disaster Risk Management

CEMADEN

CIVIL DEFENSE

CENAD

Alert & Logistics

Monitoring andEarly Warning

MS, GSI, MT, Army Force

INMET, INPE, DECEA/MD & STATE CENTRESHydrometeorology

information

MI, Mcid and IBGEDisaster Risk &

Vulnerability Analyses

CPRMGeological

VulnerabilityMapping

ANAHydrologicalinformation

Contingency & Response Plans;Focal Point of Brazil for theNational Platform on DRR

UNIVERSITIES & RESEARCH INSTITUTES Knowledge transfer, methods and hypothesis-testing, applied research databases on natural

disasters (vulnerability, exposure, hazards, risks)

COMMUNITYLocal feedback

INTERNATIONAL COLLABORATIONBRICS, MERCOSUR, EU, NASA, GIDES-Japan, UKMO,...

Population Governments

(a-e): Rainfall anomalies (in mm) for the hydrological year October-September from 2011-12 to 2015-16 [CPTEC INPE, INMET and CEMADEN]; (f-j) Number of days with water deficit (number of dry days) [Tomasella et al. 2000, Rossato et al 2014]; (k-o) VSWI-Vegetation water supply index anomalies (in %)[Cunha et al. 2015]. Color scale is shown on the lower right side of the panels.