URock 2023a: an open-source GIS-based wind model for complex urban settings

IF 4 3区地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY

Geoscientific Model Development Pub Date : 2023-10-16 DOI:10.5194/gmd-16-5703-2023

Jérémy Bernard, Fredrik Lindberg, Sandro Oswald

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引用次数: 1

Abstract

Abstract. URock 2023a is an open-source diagnostic model dedicated to wind field calculation in urban settings. It is based on a quick method initially proposed by Röckle (1990) and already implemented in the proprietary software QUIC-URB. First, the model method is described as well as its implementation in the free and open-source geographic information system called QGIS. Then it is evaluated against wind tunnel measurements and QUIC-URB simulations for four different building layouts plus one case with an isolated tree. The correlation between URock and QUIC-URB is high, and URock reproduces the spatial variation of the wind speed observed in the wind tunnel experiments quite well, even in complex settings. However, sources of improvements, which are applicable for both URock and QUIC-URB, are highlighted. URock and QUIC-URB overestimate the wind speed downstream of the upwind edges of wide buildings and also downstream of isolated tree crowns. URock 2023a is available via the Urban Multiscale Environment Predictor (UMEP), a city-based climate service tool designed for researchers and service providers presented as a plug-in for QGIS. The model, data, and scripts used to write this paper can be freely accessed at https://doi.org/10.5281/zenodo.7681245 (Bernard, 2023).

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URock 2023a:基于开源gis的复杂城市风模型

摘要URock 2023a是一个开源的诊断模型，专门用于城市环境下的风场计算。它基于Röckle(1990)最初提出的一种快速方法，并已在专有软件QUIC-URB中实现。首先，描述了模型方法及其在免费开源地理信息系统QGIS中的实现。然后通过风洞测量和QUIC-URB模拟对四种不同的建筑布局以及一种隔离树的情况进行了评估。URock与QUIC-URB的相关性较高，即使在复杂的环境下，URock也能很好地再现风洞实验中观测到的风速的空间变化。但是，强调了适用于URock和QUIC-URB的改进来源。URock和QUIC-URB高估了大型建筑逆风边缘下游的风速，也高估了孤立树冠下游的风速。URock 2023a可通过城市多尺度环境预测器(UMEP)获得，UMEP是一个基于城市的气候服务工具，为研究人员和服务提供商设计，作为QGIS的插件。用于撰写本文的模型，数据和脚本可以在https://doi.org/10.5281/zenodo.7681245 (Bernard, 2023)上自由访问。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Geoscientific Model Development GEOSCIENCES, MULTIDISCIPLINARY-

CiteScore

8.60

自引率

9.80%

发文量

352

审稿时长

6-12 weeks

期刊介绍： Geoscientific Model Development (GMD) is an international scientific journal dedicated to the publication and public discussion of the description, development, and evaluation of numerical models of the Earth system and its components. The following manuscript types can be considered for peer-reviewed publication: * geoscientific model descriptions, from statistical models to box models to GCMs; * development and technical papers, describing developments such as new parameterizations or technical aspects of running models such as the reproducibility of results; * new methods for assessment of models, including work on developing new metrics for assessing model performance and novel ways of comparing model results with observational data; * papers describing new standard experiments for assessing model performance or novel ways of comparing model results with observational data; * model experiment descriptions, including experimental details and project protocols; * full evaluations of previously published models.