通过多变量距离分析确定了随时间和空间而变化的废物成分的相似性和差异
David J Tonjes1, Yiyi Wang1, Firman Firmansyah1
1Waste Data and Analysis Center, Department of Technology & Society, Stony Brook University, Stony Brook, New York, United States of America.
PloS one
|January 15, 2025
概括
纽约市 纽约市 纽约市
科学领域:
- 环境科学 环境科学
- 废物管理科学 废物管理科学
背景情况:
- 固体废物成分分析对于有效的管理策略至关重要.
- 传统分析往往侧重于个别参数,限制了整体理解.
- 多变量距离技术为比较废物成分研究提供了一种新的方法.
研究的目的:
- 通过使用多变量分析,与纽约市的住宅废物组成进行时间比较.
- 评估纽约废物流与EPA数据和其他美国司法管辖区的相似性.
- 确定废物成分的趋势,并评估不同分析方法的有效性.
主要方法:
- 应用多变量距离技术来比较废物组成数据.
- 对1990年,2004年,2013年和2017年纽约住宅废物研究的分析.
- 与美国环保署数据和88项其他美国废物成分研究 (1987-2021) 的比较.
主要成果:
- 纽约的废弃物在各个区和随着时间的推移而相似,但与可回收物有所区别.
- 在研究期间,纽约市废物流中的食品和塑料增加,而纸张减少.
- 纽约的废物趋势与其他美国研究在很大程度上一致,但与EPA数据有所不同.
结论:
- 多变量距离分析简化了在废物研究中识别相似之处和差异.
- 这种方法提高了固体废物管理规划和政策决策.
- 纽约市的废物成分趋势为城市固体废物管理提供了宝贵的见解.
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