Latest Innovations from Esri’s

Applications Prototype LabAl Pascual, Bob Gerlt, Carol Sousa, David Johnson, Hugh Keegan

John Grayson, Mark Deaton, Mark Smith, Lenny Kneller

Richie Carmichael, Thomas Emge, Witold Fraczek

Who are we?

• 12 GIS pros

• Located in Redlands, California

• What we do

• Competitive benchmarks

• Strategic collaborations

• Corporate assignments

• Prototyping

• New technology, new gadgets

Green Infrastructure Project

Filter the Cores – John Grayson

Land Cover Analysis – Mark Deaton

Betweenness Centrality – Mark Smith

Rates Analysis Addin for ArcMap – Dave Johnson

Green Infrastructure

“If future generations are to remember us with gratitude rather than contempt, we

must leave them something more than the miracles of technology. We must leave

them a glimpse of the world as it was in the beginning, not just after we got through

with it.”

-Lyndon Johnson

“The nation behaves well if it treats the natural resources as assets which it must

turn over to the next generation increased, and not impaired in value.”

“We have become great because of the lavish use of our resources. But the time has

come to inquire seriously what will happen when our forests are gone, when the coal,

the iron, the oil, and the gas are exhausted, when the soils have still further

impoverished and washed into the streams, polluting the rivers, denuding the fields

and obstructing the navigation.”

-Theodore Roosevelt

What is Green Infrastructure?

• “Green infrastructure is defined as an interconnected network of green space that

conserves natural ecosystem values and functions and provides associated

benefits to human populations.”

• “Green Infrastructure is the ecological framework needed for environmental, social

and economic sustainability–in short it is our nation’s natural life sustaining

system.”

• Mark A. Benedict, Ph.D. and Edward T. McMahon, J.D., The Conservation Fund

Principles of Green Infrastructure

• GI should be the framework for conservation and development

• Design and plan GI before development

• Linkage is key

• GI functions across multiple jurisdictions and at different scales

• GI is grounded in sound science and land use planning theories and practices

• GI is a critical public investment

• GI involves diverse stakeholders

What is a Core? How do you find a Core?

• Undisturbed area

- Minimum size: 100 acres

200 meters wide

• Methodology developed by GIC Inc., Charlottesville, VA

• Model uses 8 data layers to identify cores

- Primary layers:

- NLCD 2011

- NHD-Plus

- TIGER

Green Infrastructure Quick Facts on USA Lower 48

• Outputs (derived from vector and raster sources):

- 554K cores (polygons)

- 3.5M fragments (polygons)

- 1.4M Least Cost Path Connectors

- Cost Surface

- Betweenness Centrality

• 30m resolution ~ 15 billion cells

• Distributed processing across 12 workstations

• Enriched the cores with > 50 attributes

Source data, products, apps and model available at

http://www.esri.com/about-esri/greeninfrastructure

What is Betweenness Centrality (BC)?

• Measures how often a core lies along the optimum path between other cores

• High BC indicates a critical role in network structural connectivity

Most popular core in the neighborhood

Computing BC requires a network of connected cores

• Use Spatial Analyst: Cost Connectivity

- Defines the Least Cost Paths from a core to each neighbor

- Input:

- Cost surface

- Cores

- Result:

- 1.4M Least Cost Paths

• Processing and post processing

- 12 machines

- 4 days

Finding BC means finding all of the optimal path between all cores in the

network

• Networkx python library from Los Alamos: Betweenness_Centrality function

• Our network is 554K cores and 1.4M LCPs connecting the cores

• 7 parallel instances on each of 12 machines takes about 26 hours

• Computed 307 billion optimal paths between all pairs of cores

Rates Analysis Addin for ArcMapDave Johnson

Al Pascual

Electric Vehicle Routing Mode

Fossil Fuel cars impact to the planetC02 levels since 2006

Credit: https://climate.nasa.gov/vital-signs/carbon-dioxide/

Richie Carmichael

Submarine Cables

Solar Eclipse 3D

Terrain Exporter

Satellite Map 2

Terrain Holographic Map

John Grayson

Auckland Transportation

Proximity Template

Nearby Airports

Terrain Visualizations

Lake Reservoir

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