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Urban ventilation corridors - performance evaluation using remotely sensed data

机译：城市通风走廊-使用遥感数据进行性能评估

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This paper describes detection and evaluation of urban ventilation corridors and uses Warsaw as an example of dense, temperate - zone urban environment. The potential ventilation corridors are derived based on the roughness parameters mapping in three different epochs: 1992, 2002, 2011 and later compared to the designed and law-protected areas, which in theory, should form the system of ventilation and air exchange in Warsaw. These three years have been chosen based on the time when spatial planning law was introduced and different local zoning plans for Warsaw were passed, including preserved areas for the ventilation corridors. The roughness parameters mapping focuses mainly on frontal area index calculation and itis based on the building database partially derived from satellite imagery (SPOT). Comparison of the derived corridors with the officially planned preservation areas suggests inaccuracies in their extent, identifies obstacles that occurred over almost twenty years and calls for an evaluation. The proposed analysis might be used by local authorities to revise the shape of existing corridors and to recognise problematic areas, which could lead to better spatial management.
机译：本文介绍了城市通风走廊的检测和评估，并以华沙为例，介绍了密集，温带地区的城市环境。潜在的通风通道是根据三个不同时期的粗糙度参数映射得出的：1992、2002、2011，然后与设计和法律保护的区域进行比较，从理论上讲，这些区域应构成华沙的通风和空气交换系统。选择这三年的时间是根据引入空间规划法的时间以及通过了华沙的不同区域分区计划的时间（包括通风走廊的保护区）决定的。粗糙度参数映射主要着重于额叶面积指数的计算和基于部分源自卫星图像（SPOT）的建筑物数据库的计算。将派生的走廊与正式规划的保护区进行比较表明，其范围不准确，确定了近二十年来发生的障碍并需要进行评估。提议的分析可能会被地方当局用来修改现有走廊的形状并识别有问题的区域，这可能导致更好的空间管理。

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