TY  - JOUR
A1  - Rietsch, Stefan H. G.
A1  - Pfaffenrot, Viktor
A1  - Bitz, Andreas
A1  - Orzada, Stephan
A1  - Brunheim, Sascha
A1  - Lazik-Palm, Andrea
A1  - Theysohn, Jens M.
A1  - Ladd, Mark E.
A1  - Quick, Harald H.
A1  - Kraff, Oliver
T1  - An 8-channel transceiver 7-channel receive RF coil setup for high SNR ultrahigh-field MRI of the shoulder at 7T
JF  - Medical Physics
Y1  - 2017
U6  - https://doi.org/10.1002/mp.12612
SN  - 0094-2405
IS  - Article in press
PB  - Wiley
CY  - Hoboken
ER  - 
TY  - CHAP
A1  - Riga, Evi
A1  - Pitilakis, Kyriazis
A1  - Butenweg, Christoph
A1  - Apostolaki, Stefania
A1  - Karatzetzou, Anna
ED  - Arion, Cristian
ED  - Scupin, Alexandra
ED  - Ţigănescu, Alexandru
T1  - Investigating the impact of the new European Seismic Hazard Model ESHM20 on the seismic design and safety control of industrial facilities
T2  - The Third European Conference on Earthquake Engineering and Seismology
N2  - The seismic performance and safety of major European industrial facilities has a global interest for Europe, its citizens and economy. A potential major disaster at an industrial site could affect several countries, probably far beyond the country where it is located. However, the seismic design and safety assessment of these facilities is practically based on national, often outdated seismic hazard assessment studies, due to many reasons, including the absence of a reliable, commonly developed seismic hazard model for whole Europe. This important gap is no more existing, as the 2020 European Seismic Hazard Model ESHM20 was released in December 2021. In this paper we investigate the expected impact of the adoption of ESHM20 on the seismic demand for industrial facilities, through the comparison of the ESHM20 probabilistic hazard at the sites where industrial facilities are located with the respective national and European regulations. The goal of this preliminary work in the framework of Working Group 13 of the European Association for Earthquake Engineering (EAEE), is to identify potential inadequacies in the design and safety control of existing industrial facilities and to highlight the expected impact of the adoption of the new European Seismic Hazard Model on the design of new industrial facilities and the safety assessment of existing ones.
KW  - ESHM20, industrial facilities
KW  - seismic hazard
KW  - seismic design
KW  - safety control
Y1  - 2022
SN  - 978-973-100-533-1
N1  - 3ECEES - Third European Conference on Earthquake Engineering and Seismology, September 4 – September 9, 2022, Bucharest
SP  - 3261
EP  - 3270
ER  - 
TY  - JOUR
A1  - Rigling, Andreas
A1  - Bigler, Christof
A1  - Eilmann, Britta
A1  - Feldmeyer-Christe, Elisabeth
A1  - Gimmi, Urs
A1  - Ginzler, Christian
A1  - Graf, Ulrich
A1  - Mayer, Phillip
A1  - Vacchiano, Giorgio
A1  - Weber, Pascal
A1  - Wohlgemuth, Thomas
A1  - zweifel, Roman
A1  - Dobbertin, Matthias
T1  - Driving factors of a vegetation shift from Scots pine to pubescent oak in dry Alpine forests
JF  - Global Change Biology
N2  - An increasing number of studies have reported on forest declines and vegetation shifts triggered by drought. In the Swiss Rhone valley (Valais), one of the driest inner-Alpine regions, the species composition in low elevation forests is changing: The sub-boreal Scots pine (Pinus sylvestris L.) dominating the dry forests is showing high mortality rates. Concurrently the sub-Mediterranean pubescent oak (Quercus pubescens Willd.) has locally increased in abundance. However, it remains unclear whether this local change in species composition is part of a larger-scale vegetation shift. To study variability in mortality and regeneration in these dry forests we analysed data from the Swiss national forest inventory (NFI) on a regular grid between 1983 and 2003, and combined it with annual mortality data from a monitoring site. Pine mortality was found to be highest at low elevation (below 1000 m a.s.l.). Annual variation in pine mortality was correlated with a drought index computed for the summer months prior to observed tree death. A generalized linear mixed-effects model indicated for the NFI data increased pine mortality on dryer sites with high stand competition, particularly for small-diameter trees. Pine regeneration was low in comparison to its occurrence in the overstorey, whereas oak regeneration was comparably abundant. Although both species regenerated well at dry sites, pine regeneration was favoured at cooler sites at higher altitude and oak regeneration was more frequent at warmer sites, indicating a higher adaptation potential of oaks under future warming. Our results thus suggest that an extended shift in species composition is actually occurring in the pine forests in the Valais. The main driving factors are found to be climatic variability, particularly drought, and variability in stand structure and topography. Thus, pine forests at low elevations are developing into oak forests with unknown consequences for these ecosystems and their goods and services.
Y1  - 2012
U6  - https://doi.org/10.1111/gcb.12038
SN  - 1354-1013 (Print)
SN  - 1365-2486 (Online)
VL  - 19
IS  - 1
SP  - 229
EP  - 240
PB  - Wiley-Blackwell
CY  - Oxford
ER  - 
TY  - JOUR
A1  - Rigling, Andreas
A1  - Eilmann, Britta
A1  - Koechli, Roger
A1  - Dobbertin, Matthias
T1  - Mistletoe-induced crown degradation in Scots pine in a xeric environment
N2  - Increasing Scots pine (Pinus sylvestris L.) mortality has been recently observed in the dry inner valleys of the European Alps. Besides drought, infection with pine mistletoe (Viscum album ssp. austriacum) seems to play an important role in the mortality dynamics of Scots pines, but how mistletoes promote pine decline remains unclear. To verify whether pine mistletoe infection weakens the host via crown degradation, as observed for dwarf mistletoes, we studied the negative effects of pine mistletoe infestation on the photosynthetic tissues and branch growth of pairs of infested and non-infested branches. Pine mistletoe infection leads to crown degradation in its host by reducing the length, the radial increment, the ramification, the needle length and the number of needle years of the infested branches. This massive loss in photosynthetic tissue results in a reduction in primary production and a subsequent decrease in carbohydrate availability. The significant reduction in needle length due to mistletoe infection is an indication for a lower water and nutrient availability in infested branches. Thus, mistletoe infection might lead to a decrease in the availability of water and carbohydrates, the two most important growth factors, which are already shortened due to the chronic drought situation in the area. Therefore, pine mistletoe increases the risk of drought-induced mortality of its host when growing in a xeric environment.
Y1  - 2010
U6  - https://doi.org/10.1093/treephys/tpq038
SN  - 1758-4469  (Online)
SN  - 0829-318X (Print)
VL  - 30
IS  - 7
SP  - 845
EP  - 832
PB  - Oxford University Press
CY  - Oxford
ER  - 
TY  - JOUR
A1  - Rigling, Andreas
A1  - Elkin, Ché
A1  - Dobbertin, Matthias
A1  - Eilmann, Britta
A1  - Giuggiola, Arnaud
A1  - Wohlgemuth, Thomas
A1  - Bugmann, Harald
T1  - Wald und Klimawandel in der inneralpinen Trockenregion Visp
JF  - Schweizerische Zeitschrift für Forstwesen
N2  - Der Temperaturanstieg der vergangenen Jahrzehnte war in Gebirgsregionen besonders ausgeprägt. Sollte sich dieser Temperaturtrend im 21. Jahrhundert fortsetzen, dann dürf-ten sich auch die Häufigkeit und Intensität von Niederschlä-gen und Trockenperioden verändern, was die Waldwirtschaft vor grosse Herausforderungen stellen wird. Trockenheit ist ein entscheidender Faktor für die Waldökosysteme der inner-alpinen Täler, wo seit Jahren trockenheitsbedingtes Baum-sterben festgestellt wird. Der vorliegende Beitrag hat zum Ziel, die Sensitivität der verschiedenen Waldökosysteme ge-genüber Klimawandel und alternative, teilweise extreme Bewirtschaftungsvarianten in der Region Visp zu testen. Me-thodische Ansätze wie Monitoring, Feldexperimente und dy-namische Modellierung wurden kombiniert, und es wurden verschiedene Ökosystemleistungen berücksichtigt, so Holz-produktion, Schutz vor Naturgefahren, Kohlenstoffspeiche-rung und Aspekte der Biodiversität. Die Resultate deuten da-rauf hin, dass auf den Trockenstandorten der Tieflagen die einheimischen Baumarten an ihre physiologischen Grenzen stossen und längerfristig über alternative Baumarten nach-gedacht werden sollte. In den mittleren Lagen dürften Tro-ckenheit und Schadinsekten wie die Borkenkäfer die zukünf-tige Waldentwicklung steuern. In den Hochlagen hingegen werden sich die Wälder ausdehnen und besser wachsen als heute. Alle untersuchten Ökosystemleistungen werden ge-bietsweise starken Veränderungen unterworfen sein. Die dis-kutierten Bewirtschaftungsvarianten scheinen dazu geeignet, die Wasserverfügbarkeit der Bestände, hauptsächlich in tief-eren Lagen, zu erhöhen und dadurch die Widerstandskraft der Bäume gegenüber Trockenperioden vorübergehend zu stärken. Es ist aber davon ausgehen, dass nur verhältnismäs-sig starke Eingriffe wesentliche Effekte erzielen können. Die Verknüpfung von Umweltmonitoring, Feldexperimenten und Modellierung unter Miteinbezug von Ökosystemleistungen ist vielversprechend, da sie eine differenzierte Abschätzung des zukünftigen Landschaftswandels und seiner Effekte auf die Waldleistungen ermöglicht.
Y1  - 2012
U6  - https://doi.org/10.3188/szf.2012.0481
SN  - 2235-1469 (Online)
SN  - 0036-7818 (Print)
VL  - 163
IS  - 12
SP  - 481
EP  - 492
PB  - Schweizerischer Forstverein
CY  - Zürich
ER  - 
TY  - BOOK
A1  - Ringbeck, Thorsten
T1  - Untersuchung opto-elektrischer Phasenregelkreise auf Basis von Photomischdetektoren hinsichtlich deren Anwendungspotential für die Photonik
Y1  - 2002
SN  - 3-8265-9789-3
N1  - Zugl.: Siegen, Univ., Diss., 2001.- (ZESS-Forschungsberichte ; Nr. 16)
PB  - Shaker-Verl.
CY  - Aachen
ER  - 
TY  - CHAP
A1  - Ringbeck, Thorsten
A1  - Albrecht, M.
A1  - Frey, J.
ED  - Lerch, Reinhard
T1  - Time-of-Flight 3D-camera for autonomous navigation and industrial automation
T2  - Proceedings : 11th international conference, 13 - 15 May 2003, Exhibition Centre Nuremberg, Germany ; an event of the Association for Sensor Technology, AMA
Y1  - 2003
N1  - Internationale Messe mit Kongress Sensor <Nürnberg>
PB  - AMA Service
CY  - Wunstorf/Germany
ET  - CD-ROM-Ausg.
ER  - 
TY  - CHAP
A1  - Ringbeck, Thorsten
A1  - Buxbaum, Bernd
T1  - Layoutoptimierte PMD-Strukturen für die schnelle 3D-Erfassung
T2  - Messen in der Fertigung : 3D-Meßtechnik in Produktion und Entwicklung ; Fachtagung Optische Formerfassung ; Stuttgart, 5. - 6. Oktober 1999. - (Berichtsband / Deutsche Gesellschaft für Zerstörungsfreie Prüfung ; 70)
Y1  - 1999
SN  - 3-931381-30-7
N1  - Fachtagung Optische Formerfassung <1999, Stuttgart>
SP  - 233
EP  - 243
PB  - DGfZP
CY  - Berlin
ER  - 
TY  - CHAP
A1  - Ringbeck, Thorsten
A1  - Buxbaum, Bernd
T1  - A highly integrated monolithic electro-optical PLL in CMOS-technology (PMD-PLL) for communication and ranging systems
T2  - Proceedings / OPTO 2000, 4th International Conference and Exhibition on Optoelectronics, Optical Sensors and Measuring Techniques : May 9 - 11, 2000, Erfurt Fair, Conference Centre
Y1  - 2000
N1  - International Congress and Exhibition on Optoelectronics, Optical Sensors and Measuring Techniques <4, 2000, Erfurt> ; OPTO <4, 2000, Erfurt>
SP  - 235
EP  - 239
PB  - AMA Service GmbH
CY  - Wunsdorf
ER  - 
TY  - CHAP
A1  - Ringbeck, Thorsten
A1  - Hagebeuker, Bianca
ED  - Grün, Armin
T1  - A 3D time of flight camera of object detection
T2  - Optical 3-D measurement techniques VIII : applications in GIS, mapping, manufacturing, quality control, robotics, navigation, mobile mapping, medical imaging, cultural heritage, VR generation and animation; papers presented to the conference organized at ETH Zurich, Switzerland, July 9 - 12, 2007. - Vol. 1
Y1  - 2007
SN  - 3-906467-67-8 (Gesamtwerk)
N1  - Conference on Optical 3-D Measurement Techniques <8, 2007, Zürich>
SP  - 1
EP  - 16
PB  - ETH
CY  - Zürich
ER  -