Influence of land use on the performance of the WRF model in a humid tropical climate

Aylas, Georgynio Yossimar Rosales; Correa, Wesley de Souza Campos; Santiago, Alexandre; Reis, Neyval Costa; Albuquerque, Taciana Toledo de Almeida; Santos, Jane Méri; Moreira, Davidson Martins

doi:10.1007/s00704-020-03187-3

Cited by 5 publications

(4 citation statements)

References 19 publications

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“…In other cases, generally no statistically significant differences were found (Figure 4). The presented conclusions are in agreement with the results of studies [63,100] where a similar increase in temperature prediction accuracy was identified with the use of finer grid resolutions. However, [100] pointed out that the resolution of 3 km is satisfying, since lesser computational costs allowed more simulations to be carried out in the same amount of time.…”

Section: Grid Resolutionsupporting

confidence: 91%

“…However, in the case of the MC and LV experiments, the index of agreement reached IOA ≥ 0.8 (see Supplementary Materials), which is in agreement with the criteria established in [81]. It should be emphasized that the presented results of the temperature prediction accuracy do not differ from the outcomes in other studies concerning computational grid resolution [1,63,86,100]. Comparative analysis of the temperature modeling evaluation unambiguously indicates that the use of a finer grid resolution (1 km) yields higher accuracy.…”

Section: Grid Resolutionsupporting

confidence: 88%

“…The land use information for the WRF runs was derived from the National Land Cover Data 1992 (NLCD 1992) with a native resolution of 30 m, which was assumed representative as all the experiments were conducted during the period of 1984-1993. Recent studies show that the impact of land use on the WRF model performance is not negligible but subtle [63,64]. However, urban areas tend to block incoming solar radiation and wind profiles which may impact the temperature, wind speed and direction [65] and their adequate representation is crucial for the model's performance in highly urbanized regions [66].…”

Section: Model Setup and Data Processingmentioning

confidence: 99%

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Accuracy Assessment of WRF Model in the Context of Air Quality Modeling in Complex Terrain

Rzeszutek,

Kłosowska,

Oleniacz

2023

Sustainability

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Output data from the Weather Research and Forecasting (WRF) model are frequently used in air quality modeling for scientific, practical and regulatory purposes. Therefore, it is crucial to determine whether the accuracy of WRF predictions is suitable for application in air quality models on a local scale (<50 km) and in complex terrain. The presented research is unique because, to assess the accuracy of the WRF model, data from experimental data sets for the assessment of air quality models were used, which contained information about the actual conditions of selected meteorological parameters along the vertical profile of the atmosphere. The aim of the study was to conduct an evaluation of the WRF model using data derived from three field experiments designated to conduct air quality model evaluation studies for models such as AERMOD, ADMS or CALPUFF. Accuracy evaluation was carried out in relation to the grid resolution, station location (on-site and weather airport) and vertical profile of the atmosphere. Obtained results of the evaluation for temperature, wind speed and direction were analyzed with regard to the possibilities of application in air quality modeling systems. It was stated that the use of a grid with a resolution of 1 km generally resulted in statistically significantly lower values of errors for wind speed compared to a 4 km resolution. The outcomes of simulations for temperature and wind speed were sensitive with regard to the location. In on-site locations (complex terrain) significantly higher values of prediction errors (MB, MGE, RMSE) were obtained compared to the standard weather station locations (airport). In addition, wind speed predictions in on-site locations were generally biased (overestimated). Along the vertical profile of the atmosphere, up to the altitude of 100 m a.g.l., statistically significantly different outcomes of accuracy evaluation were achieved for wind speed and direction. Considering the above, caution should be exercised when using data from meteorological simulations in air quality modeling.

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Section: Grid Resolutionsupporting

confidence: 91%

Section: Grid Resolutionsupporting

confidence: 88%

Section: Model Setup and Data Processingmentioning

confidence: 99%

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Accuracy Assessment of WRF Model in the Context of Air Quality Modeling in Complex Terrain

Rzeszutek,

Kłosowska,

Oleniacz

2023

Sustainability

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“…The local wind field in the study area is simulated using the WRF [50] model combined with the BEP [51] urban canopy model [68,69]. Due to the accelerating urbanization process and the failure to update the WRF land surface data in a timely and effective manner, there is a significant deviation between the actual observations of the meteorological environment and the simulation results of the WRF model [70][71][72][73]. Therefore, this study first extracts the urban impermeable surface information using the normalized difference impervious surface index (NDISI) developed by Xu [74] and refines the urban built-up areas into "low-density areas", "medium-density areas" and "high-density areas" according to their NDISI differences to optimize the land use data in the WRF model [75,76].…”

Section: Simulation Of Local Wind Fieldmentioning

confidence: 99%

Satellite-Based Optimization and Planning of Urban Ventilation Corridors for a Healthy Microclimate Environment

Gong,

Dai,

Zhou

2023

Sustainability

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Urban ventilation corridors (UVCs) have the potential to effectively mitigate urban heat islands and air pollution. Shanghai, a densely populated city located in eastern China, is among the hottest cities in the country and requires urgent measures in order to enhance its ventilation system. This study introduces a novel approach that integrates land surface temperature retrieval, PM2.5 concentration retrieval, and wind field simulation to design UVCs at the city level. Through remote sensing data inversion of land surface temperature (LST) and PM2.5 concentration, the study identifies the action spaces and compensation spaces for UVCs. The Weather Research and Forecasting (WRF) model, coupled with the multilayer urban scheme Building Effect Parameterization (BEP) model, is employed to numerically simulate and analyze the wind field. Based on the identification of thirty high-temperature zones and high PM2.5 concentration zones as action spaces, and twenty-two low-temperature zones and low PM2.5 concentration zones as compensation spaces in Shanghai, the study constructs seven first-class ventilation corridors and nine secondary ventilation corridors according to local circulation patterns. Unlike previous UVC research, this study assesses the cleanliness of cold air, which is a common oversight in UVC planning. Ignoring the assessment of cold air cleanliness can result in less effective UVCs in improving urban air quality and even exacerbate air pollution in the central city. Therefore, this study serves as a crucial contribution by rectifying this significant deficiency. It not only provides a fresh perspective and methodology for urban-scale ventilation corridor planning but also contributes to enhancing the urban microclimate by mitigating the effects of urban heat islands and reducing air pollution, ultimately creating a livable and comfortable environment for urban residents.

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An evaluation of the photochemical air quality modeling using CMAQ in the industrial area of Quintero-Puchuncavi-Concon, Chile

Pino-Cortés

Carrasco

Acosta

et al. 2022

Atmospheric Pollution Research

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Influence of land use on the performance of the WRF model in a humid tropical climate

Cited by 5 publications

References 19 publications

Accuracy Assessment of WRF Model in the Context of Air Quality Modeling in Complex Terrain

Accuracy Assessment of WRF Model in the Context of Air Quality Modeling in Complex Terrain

Satellite-Based Optimization and Planning of Urban Ventilation Corridors for a Healthy Microclimate Environment

An evaluation of the photochemical air quality modeling using CMAQ in the industrial area of Quintero-Puchuncavi-Concon, Chile

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