Natural Resources and Climate C Natural Resources

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Natural Resources and Climate C Natural Resources and Climate Change in the Delaware Estuary:   Change C in the Delaware Estuary: Assessing Vulnerability aand Fostering Adaptation Danielle K Kreeger

Partnership for the Delaware Estuary and Drexel University y

June 7 7, 2012

2007 2010 2011 2012

Recognize Problem

Assess Vulnerability & Prioritize Solutions

Translate & Engage E Track Change

3 case studies

http://www.delawareestuary.org/ scien nce_projects_climate_ready_products.asp

Questions How will climaate change here? How will chan nges impact resources? What are our options for making  these reso these reso ources more resilient? ources more resilient? How do we prrioritize tactics?  What if we do on’t take action? ( i (since every d dollar is precious) ll i i )

How Will Climate Change? Temperatures  More in summer than in winter Locked in for next 30 years

2025

2060

2100

as per Dr. Ray Najjar

Climate Momentum Mitigation – critically important for the long‐term  ( (grandkids) dkid ) Difference between a rise of 2 veersus 4 degrees centigrade  translates into a difference betw l d ff b ween local versus mass extinction l l

Adaptation – critically impo ortant for the short‐term  (Kids) No amount of mitigation will stem m the 1 degree centigrade rise in  temperatures expected over the next 25 years  temperatures expected over the  next 25 years – we must adapt we must adapt

How Will Climate Change? Temperatures  More in summer than in winter Locked in for next 30 years

Precipitation More in winter than in summer More heavy events More heavy events

Chester Creek, PA  October 1, 2010

How Will Climate Change? Temperatures  More in summer than in winter Locked in for next 30 years

Precipitation More in winter than in summer More heavy events

Sea Level 0.6 ‐ 1.5 m by 2100 (or more) l l t local rates >> global l b l

Salinityy

How Will Climate Change? Temperatures  More in summer than in winter Locked in for next 30 years Locked in for next 30 years

Precipitation More in winter than in summer More in winter than in summer More heavy events

Sea Level 0.6 ‐ 1.5 m by 2100 (or more) local rates >> global

Salinity Storms ? Growing Season

Drinking Water • >16 million  peop ple • Philadelphia – 1.4 million  1 • New York City New York City • Anticipated popu ulation growth of 83% by 2100 • 95% used for pow wer generation and industry  • Increasing deman Increasing deman nds for industry e g shale drilling nds for industry, e.g. shale drilling

Drinking Water – Vulnerrability Drinking Water  • Sea Level Rise Sea Level Rise • Saltwater Intrusion • Storms and Flooding

Flooding / Storm Surge

Precipitation Changes

Salinity Rise

Drought

• Infrastructure Erosion • Degraded Sourcewater d d

Se ea Level Ri Rise

Drinking Water V l Vulnerabilities biliti

Wild Fires / Li ht i Lightening

Drinking Water – Adaptaation Options • Infrastructure protection and u p upgrades pg • New treatment & distribution system • Storm water control • Source water protection Wastewater disinfection • Wastewater disinfection • Protect river flow to offset salttwater

Drinking Water Tough Que estions • How can we maintain low sa alinity in the upper estuary? 

• Will more reservoirs be neeeded and where?  • Where should infrastructur h h ld i f e be protected? b d?

Coastal Wetlands Abundant Diverse Benefits: Flood Protection ood otect on Water Quality Fish and Wildlifee Natural Areas Carbon Capture

2012 State of th he Estuary Report Rapid loss of acreage an nd degraded wetland health

Coastal Wetland Vu ulnerability Freshwater TTidal Marshes • Salinity Rise • Barriers to Landward Migration • Tidal Range Tid l R

Salt Marshess Salt Marshes • Sea Level Risee • Storms and W Wind Wave Erosion • Barriers to Landward Migration

Coastal Wetlan nds ‐‐ Future nds  >25% 25% L Loss off tid d l wetlands dal tl d • Conversion of >40,000 acrres Uplands to Wetlands • Conversion of >100,000 ac Conversion of >100,000 accres Wetlands to Water cres Wetlands to Water • Loss of Benefits >> Acreagge Losses

2000 2000

2100

Coastal Wetlands – Adap ptation Options • Living shorelines • Buffers • Sediment management Structure Setbacks • Structure Setbacks

Wetland Tough Choices • Where will they be converted  Where will they be converted to open water? • Where can we save them ? Where can we save them ? • Where is strategic retreat the  best option?

• Strategic Retreat • Protect river flow to offset salttwater

Restoration for the Future = Climate Adaptation

Example: Delaware Estuary Living Shoreline Initiative

Kree eger

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Bivalve Shellfish (oysteers, mussels, clams) 60 Species 60 Species Diverse

No mussels

8 adult mussels

Benefits: Water Quality ate Qua ty Fish and Wildlifee Stabilize Erosion  Commercial Fish hery

Slides from Dick Neves, VA Tech

Nature’s s Benefits Bivalve Sh hellfish are “Ecosystem Ecosystem m Engineers Engineers”

M lB d Mussel Beds

DK 6/23/10

CTUIR Freshwater Mussel Project

Oyster Reefs Oyster Reefs

Kreeger

Shellfish Vulnerability

Imperiled

Freshwater Mussels

Marine Mussels

Losing Habitat

DRBC

Oysters

Salt water

Shellfish – Adaptation Op ptions Prop pagate Mussels Shellplanting for Oysters Shellplanting for Oysters

Living Shorelines

Monitoring &  Monitoring & Research

Watter Quality &  Flow w  Management Riparian  Restoration • Fish P Fish P Passage Passage  Resto oration

Restoration for the Future = Climate Adaptation Headwaters to Sea 1. Non-tidal 2. Intertidal 3. Subtidal

Kree eger

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Climate Change e +  Other Changes •Marcellus Shale •Dredging g g

•Ecological Flows •Spills

Added Complexity Co

•Withdrawals

•Land Use Change •Development •Emerging Pollutan nts

Take Home Messages • Not all changes will be bad, but m many more losers than winners • Need Need a Paradigm Shift:  a Paradigm Shift: “restore” restore” for the future rather than the past,  for the future rather than the past and expect dynamic rather than static conditions • Adaptation requires investment Adaptation requires investment to protect lives and livelihoods  t protect lives and livelihoods to • Proactive investment today will ssave money in the long term due to  compounding of ecosystem services compounding of ecosystem services • Adaptation is underway but hampered by funding, especially here

Delaware Estuary Pilot

www Delaw www.Delaw wareEstuary org wareEstuary.org