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Urban drainage and highway runoff in cold climates: conference overview

机译：寒冷气候下的城市排水和高速公路径流：会议概述

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This overview of research findings presented at the conference on urban drainage and highway runoff in cold climates starts with generation of urban runoff and snowmelt, followed by snowmelt and winter runoff quality, best management practices for urban snowmelt and winter runoff, and snow management in urban areas. Research on the urban hydrological cycle is lagging behind the needs in this field, particularly in terms of data availability. The current studies of winter urban runoff quality focus on road salts in the urban environment and their environmental effects. The needs for better source controls in salt applications, improved management of chloride-laden runoff, and selective adoption of environmentally safer alternative de-icers were reported. Adaptation of the conventional stormwater best management practices (BMPs) for winter operation remains a challenge. The first step in refining the existing BMPs for winter operation is to advance the understanding of their operation, as reported for some cases at the conference. Finally, snow management in urban areas may require local storage of fresh (unpolluted) snow and disposal of more polluted snow at central snow disposal sites. [References: 35]
机译：在寒冷气候下的城市排水和公路径流会议上介绍的研究成果概述，首先是城市径流和融雪的产生，其次是融雪和冬季径流的质量，城市融雪和冬季径流的最佳管理方法，以及城市的降雪管理地区。关于城市水文循环的研究落后于该领域的需求，特别是在数据可用性方面。当前对冬季城市径流质量的研究集中于城市环境中的道路盐分及其环境影响。据报道，需要在盐业中更好地控制源，改善含氯径流的管理以及选择性采用对环境更安全的替代除冰剂。使传统的雨水最佳管理规范（BMP）适应冬季运行仍然是一个挑战。如会议上某些情况所报告的那样，完善现有BMP以进行冬季操作的第一步是加深对其操作的了解。最后，城市地区的降雪管理可能需要在本地存储新鲜（未污染）的雪，并在中央除雪场处置更多受污染的雪。 [参考：35]

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