Hong and teammates studied adding nature sounds to outdoor spaces. Study participants wore a mixed-reality head-mounted display and saw a hologram of either a sparrow or a fountain or a loudspeaker while hearing birdsong or a stream. The researchers determined via data collected outdoors, near an expressway, that “both natural sounds significantly reduced the PLN [perceived loudness of the traffic noise] and enhanced the OSQ [overall sound quality]. . . . Analysis on the preferred signal-to-noise ratio (SNR), i.e.
Outdoor Recreational Site
Novotny and colleagues probed how children’s experiences of nature are evolving over time.
Park probed factors linked to park use.
Yuen and Jenkins link time spent in parks and higher feelings of wellbeing.
Zolch and colleagues studied how the presence of plants influences comfort in public squares, and their findings are applicable in many outdoor spaces.
Mullenbach and her team studied links between park location and features and public health.
Resources and security have important effects
Research by Jiang, Schmillen, and Sullivan confirms that not all experiences outdoors have the same effect on our brains.
Research-based principles to guide design
Preferences and pristine nature