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2009
Urban Forest Canopy of Sacramento (2009)
2008
1950 American River Flood Map (2008)
2006
Digital Elevation Model of Sacramento (2006)
Urban Forest Canopy Map (2009)
The Urban Forest Canopy was generated from using the Feature Analyst 4.2 extension from Visual Learning Systems on ArcGIS 9.3. The primary imagery was high resolution QuickBird satellite imagery from July 2006. Independent Project for American River College Remote Sensing Course.
Urban Forest Canopy (letter) 
Urban Forest Canopy (22 x 22)
1854 Sacramento Map (2008)
33x44 (E Size, 14Mb PDF)
1854 Map of Sacramento based on a high resolution digital scan (B/W) from the Sacramento Historical Archives (www.cityofsacramento.org/ccl/history/index.html). The historical image was rectified to 2006 high resolution (6 in) digital orthophotography. The historical image is shaded with a brown color ramp; The Sacramento and American Rivers, parks, Sutter's Fort, railroads, ditches, and points of interest were digitized from the digital scan. Created while at the City of Sacramento.
1950 American River Flood Map (2008)
33x44 (E Size, 12Mb PDF) 
Hillshade 33x44 (E Size, 16Mb PDF)
1950 American River Flood Map based on scanned aerial photography which were rectified to 2006 high resolution (6 in) digital orthophotography. The blue shaded area represents the approximate extent of the flood. The current American River channel is shown in dark blue. The current levee system is shown in red. The estimate flow rate at the time of the flood was 180,000 cfs. The Folsom Dam nor the Nimbus Dam (upstream) were not yet completed. Fui Fang Thong completed the image rectification as part of a student internship program with the City. See the Student Projects Section for a summary of her work. Created while at the City of Sacramento.
Digital Elevation Model of Sacramento (2006)
(letter, 4Mb PDF) 34x44 (E Size, 24 Mb PDF)
BGR Color Shade (letter, 4Mb PDF) 
34x44 BGR Color Shade (E Size, 24 Mb)
DEM Bare Earth Elevation (Detail). This is a detail of the inset from above showing the ancient American River corridor.
Digital Elevation Model of Sacramento based on 2004 LIDAR, 2 ft pixel spacing. The area detail shows the ancient course of the American River. Created while at the City of Sacramento. This data set was created using a combination of PERL, Surfer, Python, and ArcGIS Scripts.