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Earth Observation for Urban Climate: Mapping the Local Climate Zones

Mitraka, Zina and Chrysoulakis, Nektarios and Heldens, Wieke and Feigenwinter, Christian and Lindberg, Fredrik and Grimmond, Sue and Del Frate, Fabio and Gastellu-Etchegorry, Jean-Philippe (2015) Earth Observation for Urban Climate: Mapping the Local Climate Zones. In: Mapping Urban Areas from Space. Mapping Urban Areas from Space, 4.-5. Nov. 2015, Frascati, Italien.

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collected by Earth Observation (EO) satellites provide a valuable source of information for understanding, monitoring, modelling and thus protecting the urban environment. The increasing availability of EO systems and the advances in remote sensing techniques increase the opportunities for monitoring the urban environment and its thermal behaviour. Several parameters related to the urban climate can be derived from EO data, providing valuable support for advanced urban studies and climate modelling. Recently, attention has been drawn to the quantitative description of the urban thermal patterns and their correlations to fundamental surface descriptors. A detailed classification scheme of Local Climate Zones (LCZ) was introduced (Steward and Oke, 2012), based on various former typologies, which explicitly defines urban landscapes according to their thermal properties. The individual classes aim to have relatively homogenous air temperature within the canopy layer and they are defined by fact sheets with both qualitative and quantitative properties. In this study, EO data are used to derive quantitative information for discriminating between the LCZ and a methodology to combine the different scales and delineate the zones is developed. A set of parameters is estimated from EO data and the methodology is applied to three case studies of the URBANFLUXES project, i.e. Heraklion, Greece, Basel, Switzerland and London, UK. Parameters like the impervious and the pervious surface fraction and the surface albedo were quantified using satellite data. Combining ancillary information for the morphology of the city, parameters like the buildings density and the mean building height and the canyon aspect ratio are also quantified for the study sites. A methodology to handle the different scales of the EO products was established and a Graphical User Interface (GUI) was built to outline the possible LCZ.

Item URL in elib:https://elib.dlr.de/99871/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Beitrag aus einem H2020 Projekt
Title:Earth Observation for Urban Climate: Mapping the Local Climate Zones
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Chrysoulakis, NektariosFoundation for Research and Technology - Hellas (FORTH), Heraklion, Crete, GreeceUNSPECIFIEDUNSPECIFIED
Heldens, WiekeUNSPECIFIEDhttps://orcid.org/0000-0001-6209-5664UNSPECIFIED
Feigenwinter, ChristianUniversity of Basel, Basel, SwitzerlandUNSPECIFIEDUNSPECIFIED
Lindberg, FredrikGötheborg UniversityUNSPECIFIEDUNSPECIFIED
Grimmond, SueUniversity of ReadingUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Mapping Urban Areas from Space
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:Local Climate Zones, urban climate, urban remote sensing
Event Title:Mapping Urban Areas from Space
Event Location:Frascati, Italien
Event Type:international Conference
Event Dates:4.-5. Nov. 2015
Organizer:ESA Esrin
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Heldens, Dr Wieke
Deposited On:03 Dec 2015 14:33
Last Modified:29 Mar 2023 00:25

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