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相关概念视频

Microbes and Climate Change01:27

Microbes and Climate Change

57
Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
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相关实验视频

Updated: Apr 9, 2026

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals
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通过多表达式编程方法量化和预测城市固体废物温室气体排放量.

Yuan-Yuan Luo1, Yi-Xin Yang1, Sheng Zhou1

  • 1Institute of Geotechnical Engineering, Zhejiang University, Hangzhou, China.

Waste management (New York, N.Y.)
|July 27, 2024
PubMed
概括

从2004年到2021年,分析了中国城市固体废物 (MSW) 的温室气体 (GHG) 排放情况. 确定了填埋和焚烧的趋势和影响因素,并提供了未来排放预测.

科学领域:

  • 环境科学 环境科学
  • 气候变化研究 气候变化研究
  • 废物管理研究 废物管理研究

背景情况:

  • 城市固体废物 (MSW) 管理是全球温室气体 (GHG) 排放的重要贡献者.
  • 了解MSW温室气体排放模式对于制定有效的碳减排战略至关重要.

研究的目的:

  • 从2004年到2021年,计算和分析中国各省MSW填埋和焚烧的温室气体排放量.
  • 确定影响这些排放的关键社会经济因素.
  • 使用开发的明确模型预测MSW未来的温室气体排放.

主要方法:

  • 基于IPCC模型对垃圾填埋和焚烧的温室气体排放计算.
  • 采用一个面板回归模型来确定影响排放的因素 (GDP,人口,PCCE).
  • 利用多表达式编程来创建未来温室气体排放的预测模型.

主要成果:

  • 从2004年到2021年,垃圾填埋产生了大约1271万二氧化碳,而焚烧产生了198万二氧化碳.
  • 垃圾填埋排放量上升到2020年,然后下降;焚烧排放量显示出一致的上升趋势.
  • 国内生产总值和人口与垃圾填埋场排放正相关;国内生产总值和PCCE与焚烧排放正相关.

更多相关视频

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
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Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace
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相关实验视频

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Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions
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Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

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结论:

  • 预计从2022-2024年开始,垃圾填埋场排放量将迅速减少,焚烧排放量将迅速增加.
  • 预计焚烧排放率将放缓,随后垃圾填埋排放量将缓慢下降.
  • 调查结果为决策者和废物管理部门提供了有价值的见解,以便明智地做出决策.