# Five hundred thirty-two visitors at freshwater sites in one Chinese city reported greater wellbeing where views were cleaner, soundscapes were calmer and access was easier, while smell contributed little on its own

> Five hundred thirty-two visitors gave the study a real city test City leaders often talk about rivers, lakes and canals as if water itself automatically calms people. The harder question is which parts of the visit actually help and which parts depend...

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Published: 2026-08-06T17:05:02+00:00
Categories: Explainer, Humans

![People walking through a busy urban park beside a lake and high-rise skyline](https://www.argo.net/wp-content/uploads/2026/08/people_urban_waterfront_park_lake.jpg)

## Five hundred thirty-two visitors gave the study a real city test

City leaders often talk about rivers, lakes and canals as if water itself automatically calms people. The harder question is which parts of the visit actually help and which parts depend on the setting around the water. A 2025 paper in **Frontiers in Psychology** tackled that problem by following what adults reported after spending time in urban blue spaces, then separating sight, sound, smell and touch instead of treating the waterfront as one simple experience.

The study, [How does urban blue space affect human well-being? A study based on the stimulus-organism-response theory](https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1553296/full), surveyed adults in **Hengshui, China** between October 1 and November 20, 2024. Six trained student surveyors used a systematic approach and invited every odd-numbered visitor they encountered. The team collected 625 questionnaires and kept **532 valid responses**, which gave the model enough data to test which sensory experiences tracked most closely with reported wellbeing.

The result was more specific than the usual claim that being near water feels good. **Visual**, **auditory** and **tactile** impressions all showed significant positive links with landscape perception and wellbeing. **Olfactory** impressions did not. The paper argues that water settings help most when people can see a cared-for place, hear a comfortable soundscape and physically experience the setting in a direct way, then translate those signals into a favorable judgment of the place itself.

## The strongest benefits came through sight, sound and touch

The visual side of the result fits what many planners already suspect, but the paper breaks it into practical features rather than vague beauty. The authors discuss openness, maintenance and scenic quality as parts of what people notice first. A walkway with clear views, clean edges and vegetation that looks intentional can support a calmer reading of the environment than a cluttered waterfront or a neglected bank. **Landscape quality** and the condition of the surrounding public realm steer how the water is experienced.

Sound also carried a measurable contribution. The paper points to natural soundscapes such as flowing water and birdsong as supportive cues, while harsh or uncontrolled noise can cut across the restorative effect people seek outdoors. That pattern lines up with broader environmental health work. A [2015 Lancet review on natural environments and human health](https://doi.org/10.1016/S0140-6736(15)60901-1) argued that everyday contact with better environments can support healthier behavior and reduce some mental strain, even when the benefits arrive through several channels at once.

The tactile finding is easy to miss if blue space is discussed only as scenery. In this study, touch meant physical contact with the environment, including the feel of the place, access, comfort and direct bodily engagement. Better paths, railings, seating, surfaces and waterside edges can therefore support wellbeing by letting people use the site with ease. The article treats **water accessibility** as part of the psychological pathway rather than a minor design extra.

## Landscape perception carried the benefit into wellbeing

The paper uses the **stimulus-organism-response** framework. In plain language, the blue space supplies the stimulus, people form an internal reading of the place and that internal reading influences how they feel afterward. The most important middle step here is **landscape perception**. People did not simply react to a pond, riverbank or canal edge as raw physical input. They first decided whether the place felt attractive, coherent and comfortable and that judgment carried much of the effect into wellbeing.

This mediation result helps explain why one urban water site can feel restorative while another feels flat. The paper found significant indirect effects from visual, auditory and tactile stimuli through landscape perception, while direct effects were not the main story. In other words, the site helped when sensory cues supported a positive mental picture of the place. That finding also matches earlier population work, including [a 2019 Hong Kong survey of older adults](https://pubmed.ncbi.nlm.nih.gov/31400645), which linked urban blue space exposure with health and wellbeing through lived experience rather than through distance to water alone.

The authors also folded **social wellbeing** into the outcome instead of limiting the article to mood. Their questionnaire included relief from loneliness, cognitive benefits and shared use across age groups. That choice matters because city water sites often serve as common ground for grandparents, parents and children at the same time. A blue space that feels welcoming across age groups may support wellbeing through ordinary social contact as much as through private reflection.

## Why smell stayed weak in this sample

The weak olfactory result is one of the most interesting parts of the paper because it shows that not every sensory route carries equal force in every season or place. The authors suggest that plant-derived odors were probably less intense in northern China during autumn and early winter and lower humidity may have further limited smell-based stimulation. If the air carries fewer recognizable natural cues, people may not build a strong emotional or cognitive response from smell alone.

Smell may still matter at waterfronts, although its effect was too weak in this dataset to move wellbeing in the same way as the other sensory routes. The paper therefore gives planners a useful warning against generic design formulas. Cities cannot assume that adding one aromatic planting bed near water will produce the same public response as clear views, site maintenance, comfortable paths and a tolerable acoustic environment.

The finding also keeps the article honest about scope. The study focuses on one city and on freshwater blue spaces rather than coasts or estuaries. The sample was gathered in a defined autumn-to-winter window and the outcomes come from self-reported responses rather than from long clinical follow-up. Those limits help explain why smell could appear weak here even if it plays a larger role in warmer, more humid or more plant-rich settings elsewhere.

## What cities can change at urban water sites

The practical message is less about building spectacular waterfront monuments and more about tuning everyday conditions. The paper recommends improving visual aesthetics, maintaining site quality, integrating natural soundscapes and making water easier to approach. That package sounds modest, yet it fits a growing evidence base. In a [nationally representative survey in England](https://doi.org/10.1016/j.envint.2019.105441), researchers also linked neighborhood nature, visit frequency and nature appreciation with pro-environmental behavior, suggesting that repeated positive contact can influence how people feel and how they act.

For mayors and planners, the lesson is straightforward. If the goal is better public wellbeing, a waterfront should be designed as a whole sensory and social setting. Clean sightlines, safe access, seating, shade, manageable noise, water contact and room for mixed-age use are all part of the same public health tool. The paper's results suggest that **psychological restoration** grows when people read the site as pleasant, legible and usable in ordinary life, not only during special events.

That is why this study is useful beyond one Chinese city. It gives a mechanism cities can work with. The benefit came from how visitors sensed the place, judged the place and then carried that judgment into mood, attention and social ease. Urban water can support wellbeing, but the evidence here says design quality and lived experience decide how much of that promise reaches the people on the path.