One-meter digital aerial photography (NAIP 2011) was used to inventory and assess the impact from oil and gas development in the Seven Sisters Grazing Allotment in the Vernal Field Office in Utah. Imagine software was used for image mosaicking, and eCognition for image segmentation and classification. The locations of the drill pads and mining-related disturbances were discerned with precision, including differentiation from the surrounding natural erosion. Approximately 1,300 wells and associated well pads, structures, access roads, and other disturbances were identified and mapped within the study area and incorporated into a GIS system. This work will support several important applications, including landscape change detection, impact to threatened and endangered species, and land degradation studies.
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U.S. Department of the Interior