Search Results - "Vogt, Steffen"
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1
Spatial distribution of, and risk factors for, Opisthorchis viverrini infection in southern Lao PDR
Published in PLoS neglected tropical diseases (01-02-2012)“…Opisthorchis viverrini is a food-borne trematode species that might give rise to biliary diseases and the fatal cholangiocarcinoma. In Lao PDR, an estimated…”
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2
Medieval Climate Anomaly in the Middle East: New evidence from Arabic documentary data
Published in Quaternary international (16-11-2012)Get full text
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3
KGI-XGIS supporting decision making with knowledge-based techniques
Published in Geo-spatial information science (2001)“…The concept of the King George Island Expert GIS (KGI-XGIS) is introduced. KGI-XGIS is a combination of a rule-based expert system and a GIS meant to form an…”
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4
New Control of Wind Turbines Ensuring Stable and Secure Operation Following Islanding of Wind Farms
Published in IEEE transactions on energy conversion (01-09-2017)“…This paper first presents the phenomena of the offshore wind farm (OWF) experience following the blocking of the high voltage direct current converter used for…”
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5
Impacts of land cover changes on climate trends in Jiangxi province China
Published in International journal of biometeorology (01-07-2014)“…Land-use/land-cover (LULC) change is an important climatic force, and is also affected by climate change. In the present study, we aimed to assess the regional…”
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6
Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature
Published in Atmospheric chemistry and physics (25-11-2021)“…Biogenic organic precursors play an important role in atmospheric new particle formation (NPF). One of the major precursor species is α-pinene, which upon…”
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7
PHIPS–HALO: the airborne Particle Habit Imaging and Polar Scattering probe – Part 1: Design and operation
Published in Atmospheric measurement techniques (20-07-2016)“…The number and shape of ice crystals present in mixed-phase and ice clouds influence the radiation properties, precipitation occurrence and lifetime of these…”
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8
Observation of viscosity transition in α-pinene secondary organic aerosol
Published in Atmospheric chemistry and physics (01-04-2016)“…Under certain conditions, secondary organic aerosol (SOA) particles can exist in the atmosphere in an amorphous solid or semi-solid state. To determine their…”
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9
Chemical composition of nanoparticles from α-pinene nucleation and the influence of isoprene and relative humidity at low temperature
Published in Atmospheric chemistry and physics (25-11-2021)“…Biogenic organic precursors play an important role in atmospheric new particle formation (NPF). One of the major precursor species is α-pinene, which upon…”
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10
Development and characterization of an ice-selecting pumped counterflow virtual impactor (IS-PCVI) to study ice crystal residuals
Published in Atmospheric measurement techniques (18-08-2016)“…Separation of particles that play a role in cloud activation and ice nucleation from interstitial aerosols has become necessary to further understand…”
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11
Spatial and temporal changes in dry-snow line altitude on the Antarctic Peninsula
Published in Climatic change (01-05-2009)“…Drastic changes were detected in glacial systems of the Antarctic Peninsula in the last decades. The observed phenomena comprise the disintegration of ice…”
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Journal Article Conference Proceeding -
12
The compilation of a DTM and a new satellite image map for King George Island, Antarctica
Published in Geo-spatial information science (2001)“…An improved topographic database for King George Island, one of the most frequently visited regions in Antarctica, is presented. A first step consisted in…”
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13
Asymptotic Simulation Methods as Forward Models in Multilayer Material Characterization Applications
Published in 2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) (01-07-2019)“…In this paper a geometrical optics and a physical optics approach are presented as forward models for multilayer problems. The simulation results are validated…”
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Conference Proceeding -
14
Investigation on Optical Methods for Multi Scale Electromagnetic Simulations
Published in 2019 12th German Microwave Conference (GeMiC) (01-03-2019)“…In this paper a ray tracer based on a shooting and bouncing ray (SBR) technique is presented using an optimization algorithm for precise phase calculation of…”
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Conference Proceeding -
15
Dielectric permittivity determination in W-band with dielectric ring resonators
Published in 2016 German Microwave Conference (GeMiC) (01-03-2016)“…A ring resonator made of a dielectric waveguide (DWG) is used to determine the complex permittivity of the waveguide's material. The proposed method offers…”
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Conference Proceeding -
16
The influence of large‐scale atmospheric circulation on the surface energy balance of the King George Island ice cap
Published in International journal of climatology (01-01-2001)“…During the austral summer 1997–1998 three automatic weather stations were operated at different altitudes on the sub‐Antarctic ice cap of King George Island…”
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Journal Article -
17
Enhanced stability of EHV power networks with HVDC connections
Published in 2009 IEEE Bucharest PowerTech (01-06-2009)“…This paper deals with the topic of power system stability in the case of expanding a conventional three-phase AC grid with HVDC connections. With respect to…”
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Conference Proceeding