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A new symbol- and GIS-based detailed geomorphological mapping system: renewal of a scientific discipline for understanding landscape development
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Environment and Landscape Dynamics.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Environment and Landscape Dynamics.
2006 (English)In: Geomorphology, ISSN 0169-555X, Vol. 77, no 1-2, 90-111 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a comprehensive and flexible new geomorphological combination legend that expands the possibilities of current geomorphological mapping concepts. The new legend is presented here at scale of 1:10,000 and it combines symbols for hydrography, morphometry/morphography, lithology and structure with colour variations for process/genesis and geologic age. The piece-by-piece legend forms a “geomorphological alphabet” that offers a high diversity of geomorphological information and a possibility for numerous combinations of information. This results in a scientific map that is rich in data and which is more informative than most previous maps but is based on a simple legend. The system is developed to also be used as a basis for applications in GIS. The symbol-based information in the geomorphological maps can be digitally stored as a powerful database with thematic layers and attribute tables. By combining and further developing aspects of different classical mapping systems and techniques into expanded data combinations, new possibilities of presentation and storage are developed and thus a strong scientific tool is provided for landscape configuration and the reconstruction of its development; in turn the combination paves the way for specific thematic applications. The new system is illustrated for two contrasting landscape types: the first is located on the border of Vorarlberg, western Austria, and Liechtenstein in a glacially influenced, high altitude alpine setting that is strongly modified by various degradation processes; the second area represents a formerly glaciated region in Dalarna, central Sweden near Mora, an area that is characterized by a variety of aeolian, fluvial, glaciofluvial and lacustrine depositional and erosional landforms and also reflects isostatic uplift. The new method functions well for both areas and results in detailed scientific outlines of both landscape types.

Place, publisher, year, edition, pages
2006. Vol. 77, no 1-2, 90-111 p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-95074DOI: doi:10.1016/j.geomorph.2006.01.026OAI: oai:DiVA.org:uu-95074DiVA: diva2:169145
Available from: 2006-11-02 Created: 2006-11-02 Last updated: 2011-07-06Bibliographically approved
In thesis
1. Development of a Detailed Geomorphological Mapping System and GIS Geodatabase in Sweden
Open this publication in new window or tab >>Development of a Detailed Geomorphological Mapping System and GIS Geodatabase in Sweden
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis presents a method for detailed landscape presentation. The method incorporates both fieldwork-based comprehensive geomorphological description and digital data handling and thus contributes in filling the gap between traditional geomorphological mapping and modern geomorphological studies performed in Geographic Information Systems (GIS).

The main part of the thesis relates to development of a new detailed geomorphological mapping system, constructed to be easy to use and yet present a large amount of geomorphological information. The legend of the mapping system has successfully been applied to various types of landscapes, mapped at various scales between 1:5,000 and 1:50,000 without any modifications needed. The information presented in the map is based on simple descriptive criteria and thus the subjectivity is kept low, which enables a broad field of usage. In parallel with the mapping system a GIS-based geomorphological database has been developed. The structure and data presentation of the new mapping system allows for easy transformation of the data to form part of this database. The selected format of the GIS database is the ESRI ArcGIS®, Personal geodatabase.

In the development of the geomorphological mapping system four field areas have been mapped in central (Bonäs, Risa and Liden) and northern Sweden (Tarfala). In addition the new legend has been adapted to a field area situated in Vorarlberg, Austria (Upper Gamperdona valley).

In relation to the Tarfala field area an added issue of the project has been to give insights in the effects of physical and chemical weathering on various rock types to see if this can be detected in materials and landforms. The results from this study point at that resistance towards weathering vary among rocks even though they are of same rock type.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2006. 36 p.
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 236
Physical geography and sedimentology, Geomorphology, Geomorphological map, GIS, Sweden, Naturgeografi och sedimentologi
urn:nbn:se:uu:diva-7222 (URN)91-554-6705-9 (ISBN)
Public defence
2006-12-01, Hambergsalen, Institutionen för Geovetenskaper, Villavägen 16, Uppsala, 10:00
Available from: 2006-11-02 Created: 2006-11-02Bibliographically approved

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