Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1002/joc.1752 |
The role of evaporation in the energy balance of an open-air scaled urban surface | |
Pearlmutter, D.1; Krueger, E. L.2; Berliner, P.1 | |
通讯作者 | Pearlmutter, D. |
来源期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY
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ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2009 |
卷号 | 29期号:6页码:911-920 |
英文摘要 | Surface evaporation is an important component of the urban energy balance, and its role in arid-zone cities may significantly differ from that observed in more temperate regions. However, the quantification of evapotranspiration is difficult in a Complex urban setting, given the heterogeneity of the terrain and its various dry and wet elements. Here an open-air scaled urban surface (OASUS) is employed to quantity latent heat flux as a function of the surface area available for evaporation and the three-dimensional (3-D) urban geometry. The OASUS model consists of an extensive urban-like building/street array located in an and Negev region of southern Israel (30.8 degrees N, 480 m above sea level). Measurements were carried out during the summer month of August, and flux partitioning was analysed using evaporation pans of varying surface areas embedded in arrays of varying height. Results indicated that the increase in latent heat removal with respect to equivalent ’vegetative’ surface area was nearly linear. Increasing latent heat flux with ’vegetated fraction’ was offset in approximately equal measure by decreases in storage and turbulent sensible heat flux. The proportion of the radiant energy budget represented by evaporative heat loss was also linked to the 3-D geometry of the array, increasing linearly with the ratio between vegetative cover and the ’complete’ urban surface area. Copyright (c) 2008 Royal Meteorological Society |
英文关键词 | scale-modelling urban climate surface energy balance evaporation |
类型 | Article |
语种 | 英语 |
国家 | Israel ; Brazil |
收录类别 | SCI-E |
WOS记录号 | WOS:000265807500010 |
WOS关键词 | CENTRAL-EUROPEAN CITY ; ATMOSPHERIC MODELS ; HEAT-STORAGE ; FLUXES ; SCHEME ; AREAS ; WATER ; PARAMETERIZATION ; TEMPERATURES ; TURBULENCE |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
来源机构 | Ben-Gurion University of the Negev |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/161067 |
作者单位 | 1.Ben Gurion Univ Negev, Jacob Blaustein Inst Desert Res, IL-84105 Beer Sheva, Israel; 2.Univ Tecnol Fed Parana, Dept Construcao Civil, Maringa, Parana, Brazil |
推荐引用方式 GB/T 7714 | Pearlmutter, D.,Krueger, E. L.,Berliner, P.. The role of evaporation in the energy balance of an open-air scaled urban surface[J]. Ben-Gurion University of the Negev,2009,29(6):911-920. |
APA | Pearlmutter, D.,Krueger, E. L.,&Berliner, P..(2009).The role of evaporation in the energy balance of an open-air scaled urban surface.INTERNATIONAL JOURNAL OF CLIMATOLOGY,29(6),911-920. |
MLA | Pearlmutter, D.,et al."The role of evaporation in the energy balance of an open-air scaled urban surface".INTERNATIONAL JOURNAL OF CLIMATOLOGY 29.6(2009):911-920. |
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