Proceedings zur 6. Fachtagung BIOMET - Deutsche ...

Selbstsuchende Lesen der phänologischen Phasen durch die Fotokamera im Meteorologischen
Observatorium Doksany
Jiri Nekovar 1 , Martin Mozny 2 und Daniel Bares 2
1 Tschechisches Hydrometeorologischen Institut, Prag, Tschechien
2 Tschechisches Hydrometeorologischen Institut, Doksany, Tschechien
Abstract
In September 2006, a year-long project of filming of phenological phases of forest-tree species
was launched at the observatory. A project of Geographical Institute at university in Bern
served as inspiration. The camera Canon PowerShot S3 is located on a piece of land, where
there is an International Phenological Garden, and is connected via ethernet cable to a computer
inside the observatory. In intervals given in advance a set of defined points is photographed
and the images are saved to a computer in the building. The camera is fully controlled
from the computer thenks to a special program; it can set the parameters of photographing,
focus the camera to a particular detail, and move the camera in both vertical and
horizontal direction. All images are archived on DVDs for further processing. Gradually, digital
images will be made available on the Internet. For the project purposes, we made a 3D
model of the observatory with all adjacent buildings. The camera will also be used for monitoring
of interesting meteorological phenomena. We expect that this project will increase objectivity
and preciseness of phenological observations and will therefore increase predicative
capability and accuracy of phenological information. We expect that information obtained in
this project will be used for modelling and objectification of satellite information.
1 Vorwort
Im September 2006 wurde die ganzjährige Bildaufnahme der Waldbaumartphänophasen
durch die Fotokamera im Agrometeorologischen Observatorium in Doksany (Abb. 1) gestartet.
Als Inspiration dient ein Projekt vom Geographischen Institut bei der Universität Bern
(BRÜGGER, 2005).
2 Technische Daten
Für die Aufnahme wurde digitale Kompakt Kamera Canon PowerShot S3 (Computer-
Windows XP, USB-Ethernet, Software RemoteCapture, Stromversorgung- Netzadapter), aus-
gerüstet mit:
- 12fach optischem Zoom mit optischem Bildstabilisator (IS),
- CCD - Sensor mit ca. 6,0 Megapixeln,
- Umfangreiche Movie-Funktionen,
- DIGIC-II-Prozessor mit iSAPS-Technologie,
- FlexiZone-Steuerung AF/AE,
- 20 Aufnahmemodi und My Colors,
- ISO 800,
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