1. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Vulnerability of 21 st Century Water Resources in the Eastern US Brent Yarnal Department of Geography & Center for Integrated Regional Assessment Penn State C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT

2. Vulnerability of 21 st Century Water Resources in the Eastern US n Geographical context n Future stresses n Vulnerability analysis n Future vulnerability of water resources n Vulnerability & future water policy

3. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Geographical context n Humid climate n Large population n Diverse human landscape –Culturally –Economically –Politically

4. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Geographical context n Humid climate n Large population n Diverse human landscape –Culturally –Economically –Politically

5. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Geographical context n Humid climate n Large population n Diverse human landscape –Culturally –Economically –Politically

6. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Geographical context n Humid climate n Large population n Diverse human landscape –Culturally –Economically –Politically

7. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Geographical context n Humid climate n Large population n Diverse human landscape –Culturally –Economically –Politically

8. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Future stresses n Shifting populations n Changing economies n Aging infrastructure n Increasing regulation n Changing climate

9. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Vulnerability analysis n Definition of vulnerability n Dimensions of vulnerability

10. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Definition of vulnerability n The likelihood of harm to people and to the places and things they value

11. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Dimensions of vulnerability n Exposure n Sensitivity n Adaptive capacity

12. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Basics of the bullseye

13. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Future vulnerability of water resources n Future climate n Future human system –Population –Economy –Built environment

14. C ENTER FOR I NTEGRATED R EGIONAL A SSESSMENT Vulnerability & future water policy n Policy makers must address: –Changing climate –Changing population –Changing economy –Aging infrastructure