Al Khoeriyah Zayinatun Biladiyah, Sembiring Emenda
Environmental Engineering Study Program, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Indonesia.
Heliyon. 2024 Aug 18;10(16):e36502. doi: 10.1016/j.heliyon.2024.e36502. eCollection 2024 Aug 30.
Plastic waste is commonly littered in the environment due to insufficient waste management practices. Mismanaged plastic waste may migrate and accumulate in terrestrial and aquatic environments. Plastic waste in the terrestrial environment is our topic of interest, as it can significantly contribute to the broader issue of plastic waste pollutants. Wind and surface runoff are the main factors affecting plastic movement in the terrestrial environment. On the other hand, land surfaces, as the resisting factors, have a role in facilitating the unique movement patterns. Our objectives are to simulate the motion rate and pattern of plastic movement by exposing five varieties of plastics to these driving and resisting variables. As foundational data, this study can be utilized to ascertain the probability of migration and accumulation in the terrestrial environment. Each plastic travels differently across different ground surfaces at various wind speed thresholds. For example, a plastic bag can be moved at 0.8 m/s on paved and bare terrain, while it requires 1.6 m/s to move a plastic bag on cutting grass. A plastic by surface runoff may already be in motion when driven at a 1 L/s rate. However, wind power will be more frequently encountered in the environment than runoff, which only occurs on rainy days. The data also shows varied patterns across various ground surfaces, i.e., how plastic waste is retained in vegetated regions, travels with soil particles in bare terrain, and is easily transported on paved terrain.
由于废物管理措施不足，塑料垃圾在环境中随处可见。管理不善的塑料垃圾可能会在陆地和水生环境中迁移和积累。我们关注的是陆地环境中的塑料垃圾，因为它是造成塑料垃圾污染物这一更大问题的重要因素。风和地表径流是影响塑料在陆地环境中移动的主要因素。另一方面，陆地表面作为阻力因素，在促进独特的移动模式方面发挥着作用。我们的目标是通过将五种塑料暴露于这些驱动和阻力变量来模拟塑料移动的速率和模式。作为基础数据，本研究可用于确定塑料在陆地环境中迁移和积累的可能性。每种塑料在不同风速阈值下在不同地面上的移动方式不同。例如，塑料袋在铺砌地面和裸露地形上以0.8米/秒的速度移动，而在割草地面上移动塑料袋则需要1.6米/秒的速度。以1升/秒的速度驱动时，通过地表径流的塑料可能已经在移动。然而，在环境中风的影响比径流更常见，径流只在雨天出现。数据还显示了在不同地面上的不同模式，即塑料垃圾如何在植被区域留存、在裸露地形中与土壤颗粒一起移动以及在铺砌地形上容易被运输。
