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What is GIS Day? 

GIS Day is a global event during which GIS (Geographic Information Systems) users work to expand the understanding of how GIS technology and geography make a difference in our lives. GIS, a computer-based tool used to map and analyze features and events, combines the power of a database with the visualization capabilities offered by maps. Hundreds of thousands of people in the world use GIS to solve problems in areas such as environmental protection, pollution, health care, land use, asset deployment and routing, natural resources, conservation, business efficiency, education and social inequities.

Fairfax County has been hosting GIS Day events since 1999. You can see photos and GIS Excellence Awards entries for 2013, as well as previous GIS Days at the County.

To learn more about other GIS Day events, visit the official national GIS Day web site. 

GIS Day 2013 in Fairfax County

On November 21st, the Department of Information Technology’s GIS & Mapping Services Branch hosted the County’s 15th annual GIS Day Celebrations.

See photos, Excellence Awards entries, and the awards ceremony program.

GIS Excellence Awards

Sharing a common geography yet diverse business practices, Fairfax County’s GIS professionals provide the skills and efforts that result in unique spatial perspectives, and analyses that assist their business areas, decision makers and the public.

GIS Day provides an opportunity to recognize effective and creative use of spatial tools to better serve agencies and constituents. This culminates in the presentation of the GIS Excellence awards. 


For GIS Day 2013, Deputy County Executive Dave Molchany, Chairman of the Board of Supervisors Sharon Bulova, Enterprise Systems Division Director Gordon Jarratt and GIS Manager Tom Conry addressed the audience and presented awards in 8 categories. Congratulations to all the winners!

Award Category Project/Map Recipient(s) Name(s) Department
Best GIS Cartographic Product/Presentation First Place Migration to and from the Fairfax-Falls Church Area Paul Maliszewski Neighborhood and Community Services
Second Place i-Tree Hydro Analysis for the Difficult Run Watershed Frank Finch, Nick Drunasky, Joan Allen, Mike Knapp Urban Forest Management Division of the Department of Public Works and Environmental Services
Third Place Virtual Representation of the 18th Century Port Town of Colchester Virginia Marion Constante Fairfax County Park Authority
Best Use of GIS for Analysis First Place

Constructing a Web-Based Mapping Application for Police to Analyze the Efficiency of Patrolling

Jeffrey Gallagher

Fairfax County Police Department

Second Place

Health Center Program New Access Point

Adrian Joye, Chris Stevens, Rosalyn Foroobar, Nyrma Hernandez

Fairfax County Health Department

Third Place

Fairfax County Elementary School Students who Speak a Language Other than English at Home

Komail Khaja

Department of Neighborhood and Community Services

Best Use of GIS on the Web The Department of Planning and Zoning Map Portal/DPZ Public Website (

Greg Chase, Daniel White, Allison Clark, Harry Rado

Department of Planning and Zoning

Best Use of GIS for Public Outreach

Fairfax Trail Buddy (

Buddy Rose, Liz Cronauer, Jeffrey Snoddy, Sandy Stallman, Judy Pedersen, Lynne Johnson

Fairfax County Park Authority

Most Significant Data Contributor

7-Class Landcover Classification

Michael Knapp, Frank Finch, Nick Drunasky

Urban Forest Management Division of the Department of Public Works and Environmental Services

Best GIS Integration or Application Development

Plan & Profile

Edward Langdon, Keith Chilton, Leon Lyles, Bo Baik, Charles Gerlach, Rita Noorzad, Mark Leonard, Rhonda Whitney, Gilbert Osei-Kwadwo, Lana Tran

Waste Water Management Division of the Department of Public Works and Environmental Services

Most Significant Progress

Bike Fairfax (

Vanessa Aguayo, Tom Wampler, Adam Lind

Department of Transportation

People’s Choice Award for Best Map

Migration to and from the Fairfax-Falls Church Area

Paul Maliszewski

Neighborhood and Community Services

Winning entries are described in the awards program and all entries may be viewed in a slide show.

Excellence Awards Gallery

  Project submissions for the GIS Excellence Awards competition were on display all week. Additionally, the GIS and Mapping Services Branch hosted a reception in front of the Gallery after the GIS Excellence Awards ceremony.

Representatives from many of the county agencies that utilize GIS stopped by to interact with their colleagues, peruse the Gallery, and cast a vote for the Peoples' Choice Award for Best Map.

Past GIS Days in Fairfax County

GIS Day 1999
GIS Day 2002
GIS Day 2005
GIS Day 2008
GIS Day 2011
Photos Awards
Photos Awards Winners
GIS Day 2000
GIS Day 2003
GIS Day 2006
GIS Day 2009
GIS Day 2012
Photos Awards
Photos Awards Winners
GIS Day 2001
GIS Day 2004
GIS Day 2007 GIS Day 2010 GIS Day 2013
Photos Awards
Photos Awards Photos Awards Winners Photos Awards Entries


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