Abstract
Abstract In August 1979, tar balls and oil slicks from the world's largest oil spill (Ixtoc I) washed ashore on the lower Texas coast. Data on public visitation to three beach parks (Padre Island National Seashore, Padre Balli County Park, and Port Aransas County Park) from 1977 to 1982 were examined using time series intervention analysis. For each of the three sites, three events (gas price, gas availability, and the Ixtoc I oil spill) were modeled, entered into the time series analysis, and tested for their effect. When the oil spill model was tested with the visitation data, no significant decrease in visitation was demonstrated at any of the three sites. No long‐term (nine months) impact on visitation was evident either. Reduced gas availability was associated with a significant decrease in visitation at Padre Island and Padre Balli parks.
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