Thomas BLASCHKE - Josef STROBL - Julia WEGMAYR (Eds.)


GI_Forum 2021, Volume 9, Issue 1

12th International Symposium on Digital Earth


ISSN 2308-1708
Online Edition

ISBN 978-3-7001-8947-3
Online Edition
doi:10.1553/giscience2021_01_
GI_Forum 2021,  Volume 9,  Issue 1 
 
Open access


Verlag der Österreichischen Akademie der Wissenschaften
Austrian Academy of Sciences Press
A-1011 Wien, Dr. Ignaz Seipel-Platz 2
Tel. +43-1-515 81/DW 3420, Fax +43-1-515 81/DW 3400
https://verlag.oeaw.ac.at, e-mail: verlag@oeaw.ac.at

GI_Forum publishes high quality original research across the transdisciplinary field of Geographic Information Science (GIScience). The journal provides a platform for dialogue among GI-Scientists and educators, technologists and critical thinkers in an ongoing effort to advance the field and ultimately contribute to the creation of an informed GISociety. Submissions concentrate on innovation in education, science, methodology and technologies in the spatial domain and their role towards a more just, ethical and sustainable science and society. GI_Forum implements the policy of open access publication after a double-blind peer review process through a highly international team of seasoned scientists for quality assurance. Special emphasis is put on actively supporting young scientists through formative reviews of their submissions. Only English language contributions are published.


Starting 2016, GI_Forum publishes two issues a Year.
Joumal Information is available at: GI-Forum

GI_Forum is listed on the Directory of Open Access Journals (DOAJ)

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GI_Forum 2021, Volume 9, Issue 1

ISSN 2308-1708
Online Edition

ISBN 978-3-7001-8947-3
Online Edition



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doi:10.1553/giscience2021_01_s94


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doi:10.1553/giscience2021_01_s94



Thema: geography
Thomas BLASCHKE - Josef STROBL - Julia WEGMAYR (Eds.)


GI_Forum 2021, Volume 9, Issue 1

12th International Symposium on Digital Earth


ISSN 2308-1708
Online Edition

ISBN 978-3-7001-8947-3
Online Edition
doi:10.1553/giscience2021_01_
GI_Forum 2021,  Volume 9,  Issue 1 
 
Open access


Tahira Ullah, Sven Lautenbach, Alexander Zipf
S.  94 - 103
doi:10.1553/giscience2021_01_s94

Open access

Verlag der Österreichischen Akademie der Wissenschaften


doi:10.1553/giscience2021_01_s94
Abstract:
This paper evaluates indicators to analyse mixed activities, representing a combination of various facilities and services, in urban areas. Although mixed activities play an important role in urban planning projects, measuring themhas been problematic due to the lack of appropriate data and measurement approaches. In ecology, there are dozens of potential diversity indices, which have been deployed in recent land use studies to measure mixed activities. However, ecologists have highlighted that these indices are not always expressed inintuitive units. Recognizing the limitation of commonly used diversity indices, Hill numbers, which represent a mathematically unified family of diversity indices, are used. Taking advantage of new data sources such as Points of Interest (POIs) from OpenStreetMap, this study applied Hill numbers on POIs to measure mixed activities at a quarter level in Frankfurt. Results showed that Hill1 (exponential of Shannon) is an appropriate quantitative measure to describe the diversity of facilities and services by a single numerical value. However, it is difficult to explain which factor, namely evenness or richness,has a stronger impact on the index. To gain a more comprehensive picture of mixed activities we suggest to considering further indicators such as evenness and richness.

Keywords:  Diversity Indices, mixed activities, OpenStreetMap, Hill numbers, POIs
Published Online:  2021/06/29 10:06:02
Object Identifier:  0xc1aa5576 0x003c9b5e

GI_Forum publishes high quality original research across the transdisciplinary field of Geographic Information Science (GIScience). The journal provides a platform for dialogue among GI-Scientists and educators, technologists and critical thinkers in an ongoing effort to advance the field and ultimately contribute to the creation of an informed GISociety. Submissions concentrate on innovation in education, science, methodology and technologies in the spatial domain and their role towards a more just, ethical and sustainable science and society. GI_Forum implements the policy of open access publication after a double-blind peer review process through a highly international team of seasoned scientists for quality assurance. Special emphasis is put on actively supporting young scientists through formative reviews of their submissions. Only English language contributions are published.


Starting 2016, GI_Forum publishes two issues a Year.
Joumal Information is available at: GI-Forum

GI_Forum is listed on the Directory of Open Access Journals (DOAJ)



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Verlag der Österreichischen Akademie der Wissenschaften
Austrian Academy of Sciences Press
A-1011 Wien, Dr. Ignaz Seipel-Platz 2
Tel. +43-1-515 81/DW 3420, Fax +43-1-515 81/DW 3400
https://verlag.oeaw.ac.at, e-mail: verlag@oeaw.ac.at