Part 3: CRS Open Space Preservation (Activity 420) Tools, Guidance ... › asfpm-library › FSC › CRS › 1_… · 13-11-2017 · CRS for Community Resilience: CRS Open Space

CRS for Community Resilience: CRS Open Space

Preservation (Activity 420) Tools, Guidance, &

Success Stories http://bit.ly/2ys6650

11/13/2017

1:00pm – 2:30pm CT

1

Coastal Resilience through Community Engagement Webinar Series

Part 3: CRS Open Space Preservation (Activity

420) Tools, Guidance, &Success Stories

1

November 13, 20171:00–2:30pm CT

Today’s Moderator

Bradley WatsonActing Executive Director, CSO

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Thanks to our funders!

Funding for this project is provided by the Department of the Interior

through a grant from the National Fish and Wildlife Foundation’s

Hurricane Sandy Coastal Resiliency Competitive Grant Program.

Coastal Resilience through Community Engagement Webinar Series

CRS Open Space Preservation (Activity 420) Tools, Guidance, &

Success Stories

John RozumSr. Coastal Land Use Specialist

NOAA

Melissa RosaGeospatial Coordinator

NOAA

Laura FlessnerGIS Manager

The Nature Conservancy

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11/13/2017

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Office for Coastal Management

How to Map Open Space for Community Rating System Credit

John Rozum & Melissa Rosa

NOAA Office for Coastal Management


How We’re Participating in CRS

Tools

Partnerships

Efforts Underway & Looking Ahead

© NOAA Office for Coastal Management. All Rights Reserved. [email protected] 510-251-8619 & [email protected] 510-637-3796

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Why Open Space Preservation?

• Earn FEMA CRS credit under Activity 420

• Mitigate flood risk and climate change impacts

• Multiple benefits: water quality, habitat, recreation

• Complement existing CRS tools and resources


FEMA National Flood Insurance Program CRS Activity 420: Open Space Preservation (OSP)

• Communities earn credits for permanently preserved open space

• First five elements provide credit for parcels that qualify for:

OSP Credit

• Open Space Preservation (OSP) – 1450 points

OSP Extra Credit

• Deed Restrictions (DR) – 50 points

• Natural functions open space (NFOS) – 350 points

• Special flood-related hazard open space (SHOS) – 150 points

• Coastal erosion open space (CEOS) – 750 points


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How to Map Open Space forCommunity Rating System Credit

https://coast.noaa.gov/digitalcoast/training/crs.html


NOAA How To Map Open Space:Two Companion Products

1. Step-by-step instructional “How To” guide (for planners)

2. GIS workflow (for GIS analysts)

• Supplementary documents

– Before you get started

– Worksheet for calculating credits

– Parcel documentation checklist


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How To & GIS Workflow Steps

1. Calculate impact adjusted Special Flood Hazard Area (aSFHA)

2. Identify lands that may qualify as open space

3. Exclude areas that do not qualify

4. Calculate the number of possible OSP credits

rOSP = aOSP/aSFHA (x 1,450 points )


How To & GIS Workflow Steps

5. Determine if parcels qualify for “extra credit”

6. Gather supporting information for each parcel or area.

7. Identify opportunities to earn more open space credit.


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POLL QUESTION

Have you used GIS data and tools in your decision-making?

• Yes, but not for CRS

• Yes for CRS

• No

• Don’t know


GIS Workflow and Mapping Guide

• Map eligible open space and calculate CRS credit using GIS

• GIS dataset checklist and workflow diagrams for spatial analysis

• Create GIS output layers (OSP parcels and aSFHA shapefile)


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GIS Dataset Checklist and Sources

• Community layers

– SFHA

– Parcels, Land Use, Zoning

• Excluded areas

– Federal Lands

– Open water

– Impervious surfaces

• Open spaces areas

– Protected areas, conservation easements, land trusts

– Critical habitat and water/biological resources

– Land cover


• Identify parcels that intersect the aSFHA

• Query aSFHA parcels using land use attributes

• Select aSFHA parcels that qualify as “preserved” open space

Step 1: Calculate the adjusted special flood hazard area • Calculate acreage of SFHA

• Subtract federal lands and water bodies

• Calculate area of aSFHA

Step 2: Identify lands that may qualify



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• Calculate area of parcels covered by impervious surfaces

• Subtract excluded areas

• Sum total qualifying area, aOSP

• Calculate impact adjustment ratio


Step 3: Exclude areas that do not qualify for credit

Step 4: Calculate possible credit

Option 1: Reclass high-resolution land cover Option 2: Calculate percent impervious Option 3: Perform image classificationOption 4: Hand digitize impervious surfaces


Step 5: Determine if parcels qualify for “extra credit”

• Select OSP parcels that qualify for Deed Restrictions (DR) and Natural Function Open Space (NFOS)

• NFOS 1 – Preserved areas in natural state

• NFOS 3 – Critical fish/wildlife habitat

• Calculate ratio and add to total OSP credit


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Step 6: Gather documentation for each parcel

Step 7: Identify opportunities to earn more OSP credit

• Produce the “impact adjustment map”

• Provide a list of parcels that may qualify for credit

• Identify non-OSP parcels with:

• Natural land cover

• Private ownership


Job Aids: Ways to make the job easier

Excel Worksheet to Calculate Open Space Credit


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Where You’ll find it

https://coast.noaa.gov/digitalcoast/training/crs.html


• How To trainings and webinars

• Risk communication aids

• Community pilots and knowledge sharing

Efforts Underway & Looking Ahead


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Questions & Feedback?

[email protected], 510-251-8619

How To Guide: [email protected]

GIS Workflow: [email protected], 510-637-3796

Laura Flessner

GIS Manager

Improving Community

Resilience in North Carolina

through the CRS Program

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North Carolina - State CRS Profile (2014)

CRS Explorer

© The Nature Conservancy. All Rights Reserved. [email protected], 206-436-6225

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CRS Explorer

CRS Explorer – View Current OSP


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CRS Explorer – Download Maps & Parcel Table

CRS Explorer – Search Individual Parcels


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CRS Explorer – Explore Future OSP

Tracking Success

o Identified ave of 546 eligible OSP credits across eight communities.

o So far, 3 communities have been validated and raised at least one class.

o Improved ISO workflow

o Identified additional open space opportunities through the app’s “Future” Open Space function.

Kill Devil Hills Went from Class 6 to Class 5

25% discount = $632,227 total savings $141 per policy


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Comprehensive Planning

Smart GrowthRepetitive Loss

Buyouts

How is This Info Being Used?

Funding Opportunities


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National Flood Insurance Program:

Community Rating System

• Nature-based Solutions• Provide tools & training• Protect the natural and

beneficial functions of floodplains

Preserve open space

in the floodplain

CRS Strategy

My Community is: CRS ToolNew to CRS and/or needs best practices for success

Association of State Floodplain Managers & Coastal States Organization’s CRS Green Guide

Ready to ID land that qualifies for Activity 420 Open Space Preservation (OSP)

NOAA’s How to Guide & GIS WorkflowEsri Living Atlas (screening-level)

Looking to explore current and future OSP opps and communicate OSP benefit

The Nature Conservancy’s CRS Explorer

Is maxed out for OSP but looking for other areas to increase CRS scores

Climate Central’s Surging Seas CRS Guide

Suite of CRS Resources


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coastalresilience.org/project/open-space/

Find the Right One

The Tool

maps.coastalresilience.org/northcarolina

The Project

http://coastalresilience.org/project/north-carolina/

coastalresilience.org/project/community-rating-system-explorer

coastalresilience.org/project/open-space/

Training

http://media.coastalresilience.org/NC/CRS_Explorer_TryMe/index.html

Thank You

To inquire about the NC project, contact Lora Eddy at [email protected] tool or data questions, contact Laura Flessner at [email protected]


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http://maps.coastalresilience.org/northcarolina/

http://coastalresilience.org/project/open-space/

http://media.coastalresilience.org/NC/CRS_Explorer_TryMe/index.html

mailto:[email protected]

mailto:[email protected]




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Laura Flessner

GIS Manager

[email protected]

206-436-6225

QUESTIONS?

POLL QUESTION

SELECT ALL THAT APPLY:

Which of the tools discussed in this webinar series are you most likely to use?

• NOAA’s How To & GIS Workflow

• The Nature Conservancy’s CRS Explorer

• ASFPM & CSO’s CRS Green Guide

• None of the aboveThis m

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Coastal Resilience Webinars

Coastal Resilience through Community Engagement Webinars

https://www.floodsciencecenter.org/products/crs-community-resilience/webinars/

-OR-

http://bit.ly/2ys6650

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Documents

Part 3: CRS Open Space Preservation (Activity 420) Tools, Guidance ... › asfpm-library › FSC › CRS › 1_… · 13-11-2017 · CRS for Community Resilience: CRS Open Space