Non- topographic photogrammetric applications are found
mainly within the car industry, for documentation of
industrial environments and for cultural preservation.
6. REMOTE SENSING ACTIVITIES
6.1 Remote Sensing Facilities
Research and development in remote sensing is performed
mainly at departments of physical geography in
Stockholm and Lund Universities, at the University of
Agriculture and Forestry, at the Royal Institute of
Technology, at Chalmers Institute of Technology, at the
Swedish Space Corporation and at the Swedish
Meteorological and Hydrological Institute.
Sweden has a 5% share of the SPOT programme, and
runs satellite receiving stations for SPOT, Landsat, ERS
and Resurs-01 image data in Esrange and Salmijärvi,
Kiruna. Through the National Swedish Space Board and
the Swedish Space Corporation, Sweden actively takes
part in ESA's space programs. As a result of
development at SSC Satellitbild and at the Royal
Institute of Technology, satellite imagery is produced in
precision corrected form and is used for derivation of
digital elevation models as a basis for international
topographic or thematic mapping.
6.2 SAR Activities
In 1993, a national seminar on basic technology and
applications of synthetic aperture radar (SAR) was
arranged. At Chalmers University of Technology,
satellite radar interferometry has been developed for
thopographic mapping, using SAR data from repeated
overpasses by the ERS-1 satellite. Especially the
possibility to map forested surface topography was
studied.
6.3 Remote Sensing courses
Since 1990, the Department of Physical Geography at
Stockholm University has, together with SSC
Satellitbild, hosted a yearly recurring international course
in remote sensing, mainly directed at experienced tertiary-
level teachers from developing countries. The courses are
the result of a co-operation between the United Nations
and the Swedish authority SIDA.
The International Space University 1995 Summer
Session took place at the Royal Institute of Technology
in Stockholm, with Prof Kennert Torlegärd as
representative of the host organization. As design projects
for the course were chosen
e Earth Observation Scenario for the Polar Regions
e Vision 2020 (Space activities 25 years into the
future).
6.4 National Remote Sensing Programmes
The CORINE (Coordination of Information on the
Environment) program was initiated by the European
Union in 1985, with the aim to acquire an overview of
environmental status and changes in Europe. CORINE
Land Cover is one of the projects within the programme.
A pilot project on Land Cover was carried through by the
Swedish Space Corporation in cooperation with several
Swedish research groups. The project aimed at
development of a method for Land Cover mapping of
Sweden using satellite data as well as existing
topographic and vegetation maps. Also methods for
digital generalization of Land Cover map data was
studied.
In 1995 a national remote sensing programme was
initiated by the National Swedish Space Board in
cooperation with research institutes and authorities.
Within the programme, four long-time program areas
have been defined:
e Environmental monitoring
e Topographic mapping
e Forestry
e Meteorology
The program areas are to be completed in 1998 in
cooperation between research groups and the Swedish
Space Corporation.
“In Kiruna an Environmental Dada Center (MDC) is under
74
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B6. Vienna 1996
completion, coordinated by the National Swedish Space
Board. The task will be to research on and to perform
operational environmental monitoring with the help of
remote sensing technology. MDC has been appointed
"European Topic Centre for Land Cover" by the European
Environment Agency.
7. ACKNOWLEDGEMENTS
Contributions to this report were made by Mr Bengt
Adolfsson, Metimur AB, Mr Mikael Johansson,
METRIA, Dr Mats Rosengren, SSC, and Mr Hákan
Wiman, KTH.
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