A compilation of geomorphologic and hydrologic reports on the Jackrabbit Wash Flood, October 2002, Maricopa County, Arizona

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Author
Youberg, A.
Issue Date
2002-06-01
Keywords
Arizona Geological Survey Open File Reports
Phoenix
Vulture Mine Road
Arizona
Maricopa County
Jackrabbit Wash
Landsat ETM
flood inundation
Geology
hydrology

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Citation
Youberg, A., 2002, A compilation of geomorphologic and hydrologic reports on the Jackrabbit Wash Flood, October 2002, Maricopa County, Arizona. Arizona Geological Survey Open File Report, OFR-02-06, 1 map sheet, map scale 1:36,000, 98 p.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
Landscape change detection using Landsat ETM+ sensor data and image processing methods based on band orthogonalization are used for initial mapping of flood inundation along JackrabbitWash, in Maricopa County. Results indicate that image processing of Landsat data, which has a nominal 30 m pixel size spatial resolution, can provide a direct method to document flooding in remote areas of Arizona. This study analyzes a portion of two Landsat scenes covering part of Maricopa County, west of Phoenix, Arizona. The study finds that Jackrabbit Wash, in contrast to many of the adjacent streams, has a spectral signature that indicates there was detectable landscape modification associated with the October, 2000 flood. The area of flooding is clearly indicated on the processed satellite image as a band of yellow. Field validation consisting of checking several reaches of Jackrabbit Wash around Vulture Mine Road, corroborated the evidence from the satellite change image. Ubiquitous evidence for very significant flooding was found. The performance of the change detection on a regional basis appears strong. On the local basis, not every pixel which showed evidence for inundation in the field, was highlighted as changed on the change image. A significant finding is that the flooding affected the upstream portions of Jackrabbit Wash and therefore must be related to storm precipitation in the headwaters area.
URI
http://hdl.handle.net/10150/630650
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
OFR-02-06
Rights
Arizona Geological Survey. All rights reserved.
Collection Information
Documents in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu.
North Bounding Coordinate
33.5506
South Bounding Coordinate
33.1007
West Bounding Coordinate
-112.808
East Bounding Coordinate
-112.083
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