C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Vulnerability of 21 st Century Water Resources in the...

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CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Vulnerability of 21st Century Water Resources in the Eastern US

Brent YarnalDepartment of Geography &

Center for Integrated Regional AssessmentPenn State

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Vulnerability of 21st Century Water Resources in the Eastern US

Geographical context Future stresses Vulnerability analysis Future vulnerability of

water resources Vulnerability & future

water policy

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Geographical context

Humid climate Large population Diverse human landscape

– Culturally– Economically– Politically

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Geographical context

Humid climate Large population Diverse human landscape

– Culturally– Economically– Politically

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Geographical context

Humid climate Large population Diverse human landscape

– Culturally– Economically– Politically

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Geographical context

Humid climate Large population Diverse human landscape

– Culturally– Economically– Politically

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Geographical context

Humid climate Large population Diverse human landscape

– Culturally– Economically– Politically

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Future stresses

Shifting populations Changing economies Aging infrastructure Increasing regulation Changing climate

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Vulnerability analysis

Definition of vulnerability Dimensions of vulnerability

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Definition of vulnerability

The likelihood of harm to people and to the places and things they value

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Dimensions of vulnerability

Exposure Sensitivity Adaptive capacity

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Basics of the bullseye

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Future vulnerability of water resources Future climate Future human system

– Population

– Economy

– Built environment

CENTER FOR INTEGRATED REGIONAL ASSESSMENT

Vulnerability & future water policy Policy makers must

address: – Changing climate– Changing population– Changing economy– Aging infrastructure