Parameterization of the Interaction between the Atmosphere and the Urban Surface: Current State and Prospects

Tarasova, M.A.; Varentsov, M.I.; Stepanenko, V.M.

Авторы: Tarasova M.A., Varentsov M.I., Stepanenko V.M.
Журнал: Izvestiya - Atmospheric and Oceanic Physics
Том: 59
Номер: 2
Год издания: 2023
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 127
Последняя страница: 148
DOI: 10.1134/S0001433823020068
Аннотация: Cities have a significant impact on the environment, forming microclimatic features such as urbanheat island, an increase in the intensity of convective weather events, etc. Numerical models of the atmospherewith an integrated block that describes the interaction between the urbanized surface and the atmosphere—urban parameterization—are good at reproducing the meteorological features of the urban environment.Reviews of urban parameterizations are mostly outdated, and recent ones do not fully cover aspects ofthe methods used in the models to describe physical processes. This paper is dedicated to updating informationon urban parameterizations, comparing the approaches used in them to describe physical processes, andforming proposals for their improvement. Based on the most common urban parameterizations of variouslevels of complexity, the main groups of physical processes describing “urban surface-atmosphere” interactionare identified. They are the surface energy balance, radiation heat transfer, surface moisture balance, turbulentheat and moisture exchange in the urban canopy, anthropogenic influence on heat and moisturefluxes, radiation, and turbulent interaction with urban vegetation. The main approaches to the parameterizationof physical processes are defined within each block. Modern trends in the development of urban parameterizationsare highlighted: (1) over the past 10 years, parameterizations have become more complicated dueto the addition of the building energy model, a three-dimensional structure of urban vegetation, and verticalresolution when calculating turbulent fluxes; (2) at the same time, not much attention is paid to revising theoriginal empirical formulas, often obtained on the basis of single field or laboratory experiments. Ways toimprove urban parameterizations are proposed by clarifying the basic dependencies used mainly in the calculationof turbulent fluxes, particularly using the results of highly detailed large-eddy simulation modeling,which, with growing computational power, is increasingly used to simulate explicit heat transfer between theatmosphere and individual elements of the urban environment.
Добавил в систему: Тарасова Мария Андреевна

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