Montezuma Castle National Monument : acoustical monitoring 2010 and 2012

PDFTech ReportNPS/NRSS/NRR-2014/872DOT-VNTSC-NPS-17-11VX-K6/MLE72Aircraft noiseNoise sourcesAmbient noiseNoiseEnvironmental monitoringNational parksNational Air Tour Management Act, 200ArizonaUnited States. National Park ServiceRapoza, AmandaLee, CynthiaMacDonald, JohnJohn A. Volpe National Transportation Systems Center (U.S.)United States. National Park Service. Natural Sounds and Night Skies DivisionAGR-PUBLIC AND TRIBAL LANDS-PUBLIC AND TRIBAL LANDSNTL-ENERGY AND ENVIRONMENT-ENERGY AND ENVIRONMENTNTL-ENERGY AND ENVIRONMENT-Environment ImpactsVolpe National Transportation Systems Center, Technical Reference CenterDuring the summer of 2010 (July-August)and winter of 2012 (March-May) baseline acoustical data were collected at Montezuma Castle National Monument (MOCA), at two sites deployed for approximately 30 days each. The baseline data collected during these periods will help park managers and planners estimate the effects of future noise impacts and will help to inform future park planning objectives such as creating acoustic resource management plans, as well as the development of an Air Tour Management Plan (ATMP), which provides for the regulation of commercial air tours. The sound sources of concern at MOCA include developments near park boundaries, air tours, commercial and private aircraft activities, and requests for special use permits for noisy activities. This document summarizes the results of the noise measurement study