Club Meetings and Activities

Next Club Meeting-New Time

Thursday, 10/23/14, 3:30 PM, UWM Cartography Lab, Rm 420, Bolton Hall. We'll be setting up the club's Trimble Juno GPS receiver for use during the Urban Ecology Center invasive plant mapping project on 10/30/14. See the club meetings page for details.

Post-Meeting Bonus

Following the 10/23/14 meeting we're watching a partial solar eclipse. Details at the 10/23/14 meeting. Never look directly at the sun.

Urban Ecology Center Field Work

Thursday, 10/30/14, 4 PM, 1500 E. Park Pl, meet in lobby.We'll use GPS technology to map invasive species at the UEC.

Club Officers

Jana Viel
Julee Mitchell
Keith Krukowski
Martin Ziech

Notices and Events

Planning is underway for the 2014 GIS Day at UWM on Wednesday, 9/19. The web site will soon be open to register for hands-on workshops and for the famous pizze lunch. There's no cost. Until then, see details about the 2013 UWM GIS Day.

Kern Park Solar Analysis

Client: Peter Trio

Need: To visualize the amount of sunlight falling on a hypothetical building site in Kern Park.

Description: In late January 2012, Peter asked the GIS Club to help him with an Architecture 420 project. He was designing a hypotetical school in Kern Park. He need to know the intensity and pattern of sunlight falling across the park throughout the year. Peter used the solar analysis that the club did for the UWM Food and Garden Club in his design for food gardens near the Sandburg residence halls. See details of his plans at his web site, ObjectiveArchitecture.com.

Results: The club used the ERSI Spatial Analyst Solar Analyst tool to determine the total solar energy during each month. We started with LIDAR data from the Milwaukee County Land Information Office. In this raster image, elevation is mapped to graytones. The lighter tones indicate greater elevation. Streets are symbolized by solid white lines. The Milwaukee River flows through the right side of the frame.

LIDAR


We then used the Solar Analyst to build a raster for each month, symbolizing the direct solar energy, in watts/square meter, accumlating during each month. This process combined the elevation of the terrain, trees, and buildings with the postion of the sun to model the path of shadows during each day in the month, thus translating

In the raster images that follow, lighter graytones indicate more solar energy. The images begin with January in the upper left, followed by February in the upper right, through December in the lower right.

 
Jan Feb
Mar Apr
May Jun
Jul Aug
Sep Oct
Nov Dec

From this, Peter could see how the sunlight, and solar energy, varied during the year as a guide to placing his structure.