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科学美国人60秒:新冠肺炎改变全球音景

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This is Scientific American's 60-second Science, I'm Emily Schwing.
(Busy street sounds.)
This is the sound of a neighborhood in Kolkata, India, in December, 2016. It was recorded by resident Sukanta Majumdar.
(Quiet area, birds singing.)
And this is what that same neighborhood sounded like on April 1st of this year, after the COVID-19 lockdown.
"It's like a unique place in time that we have to document for the future, for sure."
Amandine Gasc is a soundscape ecologist with the French National Research Institute for Sustainable Development. She's supposed to be in the field, recording nocturnal sounds in Southern France to evaluate the effect of light pollution on animals there. Instead she's at home. But she's still recording--now from her balcony, where normally she'd mostly be hearing traffic.
"In my neighborhood, there's like amphibians, I think it's frogs that are like in this very located space in the neighborhood that's very loud. So at night there's like the frog chorus and in the morning we have the bird choruses. And you also hear the sound of people in their gardens, slight music in the back. It's very relaxing."

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When the pandemic hit, Gasc and three other colleagues put a call out to volunteers all over the globe. Currently, roughly 300 people are recording one minute of outdoor sound every ten minutes for what has become the "Silent Cities Project."
"The goal is to build this huge dataset and make it available."
All the data collected will be stored by the Open Science Foundation as a public dataset. The recordings, says Gasc, offer opportunities in the future to understand how we share our space with other creatures and how we impact our outdoor spaces.
"Not only the acoustic space, but also the space in general. We are seeing a lot of animals in the streets — so taking back this actual space for themselves. And even people, people were just walking all over the streets and suddenly the streets were like this huge space we could use. So, I think it will help us to understand that maybe another way of living in the city is possible. I hope so."
Thanks for listening for Scientific American's 60-second Science. I'm Emily Schwing.

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nocturnal [nɔk'tə:nəl]

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adj. 夜的,夜间发生的

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foundation [faun'deiʃən]

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n. 基础,根据,建立
n. 粉底霜,基

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ecologist [i:'kɔlədʒist]

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n. 生态学家

 
document ['dɔkjumənt]

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n. 文件,公文,文档
vt. 记载,(用文件

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unique [ju:'ni:k]

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adj. 独一无二的,独特的,稀罕的

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plain [plein]

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n. 平原,草原
adj. 清楚的,坦白的,简

 
minutes ['minits]

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n. 会议记录,(复数)分钟

 
pandemic [pæn'demik]

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adj. 全国流行的 n. (全国或全世界范围流行的)疾

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chorus ['kɔ:rəs]

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n. 合唱队,歌舞队,齐声说道,副歌部分,
v

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recording [ri'kɔ:diŋ]

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n. 录音 动词record的现在分词

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