Robert Vogler – Adrijana Car – Josef Strobl – Gerald Griesebner (Eds.)


GI_Forum 2014, Volume 2

Geospatial Innovation for Society – Conference Proceedings


ISSN 2308-1708
Online Edition
ISBN 978-3-87907-545-4
Print Edition
ISBN 978-3-7001-7652-7
Online Edition
doi:10.1553/giscience2014
GI_Forum, Volume 1 
2014,  566 pages
Print edition is available at Wichmann-Verlag, Berlin
Open access


GIS as a technology has come a long way, from the early adoption of technical wizardry to the ubiquitous, if unconscious use by the masses. The emergence of a GISociety is on its way through technological development, theoretical and empirical scientific research and inclusion of technology into education with increasing pedagogical justification. Defining new dimensions of hard- and software, brainware and orgware are all needed to further enhance the GISociety with new geospatial innovations.

This issue of the Geoinformatics Forum (www.gi-forum.org) links into these research areas. We are pleased to present work by researchers who actively contribute to the rising of geospatial innovations for society in theoretical, empirical, technical, and educational terms. This reflects that innovative alterations can only be created though close interaction among the domains of science, technology and education. Topics of the 2014 issue therefore include:
• Innovations in geospatial technologies
• Advances in GIScience
• Monitoring global change
• Geoinformation for public health
• Education with digital earth
• Spatial Citizenship education
• Geospatial learning environments

The book is aimed at researchers and practioners in the field of geoinformation with an academic, industrial or educational background.

Work on this publication has been co-funded by the following projects and networks funded by the European commission:
LLP-Comenius multilateral project SPACIT (517908-LLP-2011-1-AT-COMENIUS-CMP)

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

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GI_Forum 2014, Volume 2

ISSN 2308-1708
Online Edition
ISBN 978-3-87907-545-4
Print Edition
ISBN 978-3-7001-7652-7
Online Edition



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doi:10.1553/giscience2014s67




Thema: geography
Robert Vogler – Adrijana Car – Josef Strobl – Gerald Griesebner (Eds.)


GI_Forum 2014, Volume 2

Geospatial Innovation for Society – Conference Proceedings


ISSN 2308-1708
Online Edition
ISBN 978-3-87907-545-4
Print Edition
ISBN 978-3-7001-7652-7
Online Edition
doi:10.1553/giscience2014
GI_Forum, Volume 1 
2014,  566 pages
Print edition is available at Wichmann-Verlag, Berlin
Open access


Jan-Peter Mund, Dieter Murach, André Parplies
PDF Icon  Monitoring and Quantification of Floating Biomass on Tropical Water Bodies ()
S.  67 - 76
doi:10.1553/giscience2014s67

Open access

Verlag der Österreichischen Akademie der Wissenschaften

Abstract:
Water hyacinth, or Eichhornia crassipes (Mart.) Solms, is an invasive and free floating water plant, native to South America that has often been marked as one of the world’s worst invasive aquatic species. It grows into large dense vegetable carpets that block sun energy transmission into shallow waters or even the lake bottom. This study focuses on two different water bodies in the tropical/subtropical zone, where water hyacinth infestation is already an issue. A parallel research approach was chosen in order to compare regional results with regards to operability and suitability of the chosen method. The first area studied is the southeastern area of the Inle Lake in Central Myanmar, and the second region is the Winam Gulf on Lake Victoria in Kenya. The Winam Gulf has been clogged by Eichhornia crassipes for decades, in contrast to a few reports about Water hyacinth infestation on the Inle lake waters. As in many other countries in the tropics, the current local monitoring and control measures of invasive aquatic vegetation in Myanmar and Kenya mostly rely on simple observations and mechanical methods. The monitoring and quantification of spatialtemporal variation of floating vegetation using satellite images has been tested in many approaches as being useful for analysing the spatial extent and temporal abundance of the macrophytes on tropical water bodies (SCHOUTEN 1999 et al., ALBRIGHT 2004 et al., NASA 2007, LANEVE 2010 et al., WINSTANLEY 2011 et al. ). The objective of the presented study was to test a multi-sensor approach, combining several remote sensing methods at two different locations, with particular ecological and land use systems, in order to detect and monitor floating biomass, and assess the abundance and quantity of Eichhornia crassipes and similar floating macrophytes using MERIS, MODIS and Landsat 7-ETM imagery. The successful multi sensor approach resulted in temporal spatial patterns of floating biomass, enabling transformable quantifications for the detected floating biomass. The quantified and harvestable biomass can be used further as a permanent source of bioenergy, or a resource for a chemical process named Hydrothermal Carbonization (HTC), converting biomass into an alternative energy source (hydrochar) or into solid or liquid fertilizer (LIBRA et al. 2011).

  2014/06/18 10:51:50
Object Identifier:  0xc1aa5576 0x0030d3f6
https://creativecommons.org/licenses/by-nd/4.0/

GIS as a technology has come a long way, from the early adoption of technical wizardry to the ubiquitous, if unconscious use by the masses. The emergence of a GISociety is on its way through technological development, theoretical and empirical scientific research and inclusion of technology into education with increasing pedagogical justification. Defining new dimensions of hard- and software, brainware and orgware are all needed to further enhance the GISociety with new geospatial innovations.

This issue of the Geoinformatics Forum (www.gi-forum.org) links into these research areas. We are pleased to present work by researchers who actively contribute to the rising of geospatial innovations for society in theoretical, empirical, technical, and educational terms. This reflects that innovative alterations can only be created though close interaction among the domains of science, technology and education. Topics of the 2014 issue therefore include:
• Innovations in geospatial technologies
• Advances in GIScience
• Monitoring global change
• Geoinformation for public health
• Education with digital earth
• Spatial Citizenship education
• Geospatial learning environments

The book is aimed at researchers and practioners in the field of geoinformation with an academic, industrial or educational background.

Work on this publication has been co-funded by the following projects and networks funded by the European commission:
LLP-Comenius multilateral project SPACIT (517908-LLP-2011-1-AT-COMENIUS-CMP)



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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