Editing Rohnert Park, California (section)

==Geography==
According to the [[United States Census Bureau]], Rohnert Park has a total area of {{convert|7.0|sqmi|km2}}, 99.93% of it land and 0.07% of it water.

The city neighborhoods east of Highway 101 are organized into sections, generally designated by the letters A–H, J-M, R, S, and W. In most cases, the names of streets and parks begin with the letter of the section they are in.<ref>{{Cite web|url=http://sonomacountyhomesforsaleonline.com/rohnert-park/|access-date=November 28, 2014|title=Sonoma County Homes For Sale|publisher=Cynthia Larson}}</ref> K Section is also referred to as the "University District" and is the residential development of the city's University Specific Plan Area; W Section is also referred to as "Willowglen" and is the residential development of the city's Southeast Specific Plan Area.<ref>{{Cite web|url=http://ci.rohnert-park.ca.us/UserFiles/Servers/Server_3037789/File/Planning/Local%20Hazard%20Mitigation%20Plan/LHMP%20Appendix%20A-G.pdf|access-date=July 13, 2021|title=Rohnert Park Local Hazard Mitigation Plan|publisher=City of Rohnert Park}}</ref>

There is a small [[reservoir]] called [[Roberts Lake]] at the north end of the city and a number of creeks. Important creeks include the [[Laguna de Santa Rosa]] (which forms part of the border with the [[Cotati, California|City of Cotati]]), [[Copeland Creek (California)|Copeland Creek]], [[Hinebaugh Creek]], [[Crane Creek (California)|Crane Creek]] and [[Five Creek]]. All creeks within the city limits have been channelized. Spivock Creek, Coleman Creek, Wilfred Channel, and Labath Channel are artificial channels designed to convey [[Surface runoff|runoff]].

[[File:FiveCreekPICT2916.jpg|thumb|[[Five Creek]]]]
[[Riparian]] communities within the city are limited by channelization of creekbeds. Vegetation alongside the city's streams primarily consists of grass and sedge species. The Laguna de Santa Rosa contains bands of thick native riparian vegetation, including [[willow]] (''Salix'' spp.) and [[alder]] (''Alnus'' spp.) trees.<ref>Earth Metrics, ''[[Environmental Impact Report]]  for the City of Rohnert Park General Plan'', C Michael Hogan, Marc Papineau, Ballard George et al., published by the city of Rohnert Park, California and the State of California Environmental Clearinghouse, Sacramento, Ca., Report Number 10351, March 9, 1990</ref>

[[Sudden oak death]] [[fungus]] risks are present in the Rohnert Park area. Research is ongoing at the nearby [[Fairfield Osborn Preserve]].<ref>{{Cite web |date=December 8, 2000 |title=SSU Biologists Tracking Sudden Oak Death Fungus at Fairfield Osborn Preserve |url=http://www.sonoma.edu/pubs/release/2000/053A.html |archive-url=https://web.archive.org/web/20010308075104/http://www.sonoma.edu/pubs/release/2000/053A.html |archive-date=March 8, 2001 |website=Sonoma State University |type=Press release}}</ref>

===Geology===
The [[Rodgers Creek Fault]] is an active [[Fault (geology)|fault]] influencing earthquake activity in the Rohnert Park area.<ref>{{Cite web|url=https://earthquake.usgs.gov/regional/nca/rupture/?id=20010706-0807|title=USGS, Seismicity in the Rohnert Park, California vicinity}}</ref> The city also experiences earthquakes from the [[San Andreas Fault]].