Till Rehm

Till Rehm
Independent Researcher

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32
Publications
5,123
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721
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Introduction
Skills and Expertise

Publications

Publications (32)
Article
Full-text available
Plain Language Summary This study addresses the challenge of accurately computing the amount of water stored in snow (known as snow water equivalent or SWE) in mountainous areas, which is important for managing water resources. Typically, there are no tools that can measure SWE across large areas in complex high alpine surroundings, only at specifi...
Preprint
The lack of accurate information on the snow water equivalent (SWE) including its spatio-temporal variations in mountain catchments remains a key problem in snow hydrology and water resources management. This is partly because there is no sensor to measure SWE beyond local scale. At Mt. Zugspitze, Germany, a superconducting gravimeter senses the gr...
Preprint
Full-text available
While recent permafrost degradation in Alpine peri- and paraglacial slopes has been documented in several studies, only restricted information is available on the respective hydrology. Water boosts permafrost degradation by advective heat transport and destabilizes periglacial mountain slopes. Even if multiple recent rock slope failures indicate th...
Article
Full-text available
This letter presents a rare physical phenomenon associated with solar activity, manifesting in anomalies within neutron, electron, and gamma-ray fluxes in the atmosphere. Conventionally, the Earth's magnetic-field disturbances reduce cosmic-ray intensity reaching the surface. However, a temporary surge in cosmic-ray flux occurs intermittently known...
Article
Full-text available
Risk assessment of pesticide impacts on remote ecosystems makes use of model-estimated degradation in air. Recent studies suggest these degradation rates to be overestimated, questioning current pesticide regulation. Here, we investigated the concentrations of 76 pesticides in Europe at 29 rural, coastal, mountain, and polar sites during the agricu...
Conference Paper
Full-text available
Here we present the first multi-annual study in periglacial environments quantifying and characterizing water accumulation in bedrock joints with the help of lysimeters, weather data, snowmelt modeling and gravimetric monitoring. Continuous measurements allow to detect the timing and to estimate the quantity of water accumulations. These can easil...
Conference Paper
Full-text available
The deployment of Unmanned Aerial Vehicles (UAV) for scientific purposes gained a lot of importance during the last years. The new EU regulations for the use of civil drones, in effect since January 2021, set out a new framework for their safe operation in the European skies. With a risk-based approach the purpose of the drone (leisure or civil) is...
Article
Full-text available
GFZ (German Research Centre for Geosciences) set up the Zugspitze Geodynamic Observatory Germany with a worldwide unique installation of a superconducting gravimeter at the summit of Mount Zugspitze on top of the Partnach spring catchment. This high alpine catchment is well instrumented, acts as natural lysimeter and has significant importance for...
Preprint
Full-text available
The Zugspitze Geodynamic Observatory Germany has been set up with a worldwide unique installation of a superconducting gravimeter at the summit of Mount Zugspitze. With regard to hydrology, this karstic high-alpine site is largely dominated by high precipitation amounts and a long seasonal snow cover period with significant importance for water sup...
Conference Paper
Full-text available
Scandroglio, R., Rehm, T., Limbrock, J. K., Kemna, A., Heinze, M., Pail, R., and Krautblatter, M.: Decennial multi-approach monitoring of thermo-hydro-mechanical processes, Kammstollen outdoor laboratory, Zugspitze (Germany), EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-13815, 2021. https://doi.org/10.5194/egusphere-egu21-13815
Article
Full-text available
In 2004, first absolute gravity (AG) measurements were performed on the top of Mt. Zugspitze (2 sites) and at the foot (1 site) and top (1 site) of Mt. Wank. Mt. Wank (summit height 1780 m) and Mt. Zugspitze (2960 m) are about 15 km apart from each other and belong geologically to different parts of the Northern Limestone Alps. Bridging a time span...
Preprint
Full-text available
In 2004, first absolute gravity (AG) measurements were performed on the mountain tops of Mt. Zugspitze (2 sites) and Mt. Wank (1 site), and at the Wank foot (1 site). Wank (summit height 1780 m) and Zugspitze (2960 m) are about 20 km apart from each other and belong geologically to different parts of the Northern Limestone Alps. Bridging a time spa...
Article
Das Projekt „ProtectAlps“ untersucht das Vorkommen von schwer abbaubaren organischen Schadstoffen (POP), Quecksilber und Pestiziden in wildlebenden Insekten an der Zugspitze (Deutschland) und dem Hohen Sonnblick (Österreich). Mittels Ultraspurenanalysen werden die Konzentrationen in den Insektenkörpern bestimmt. Vermessungen von Körperstrukturen de...
Article
Full-text available
To assist atmospheric monitoring at high-alpine sites, a statistical approach for distinguishing between the dominant air masses was developed. This approach was based on a principal component analysis using five gas-phase and two meteorological variables. The analysis focused on the Schneefernerhaus site at Zugspitze Mountain, Germany. The investi...
Article
Full-text available
Atmospheric aerosol particles like mineral dust, volcanic ash and combustion particles can reduce Earth's snow and ice albedo considerably even by very small amounts of deposited particle mass. In this study, a new laboratory method is applied to measure the spectral light absorption coefficient of airborne particles that are released from fresh sn...
Article
Full-text available
To assist atmospheric monitoring at high-alpine sites, a statistical approach for distinguishing between the dominant air masses was developed. This approach was based on a principal component analysis using five gas-phase and two meteorological variables. The analysis focused on the site Schneefernerhaus at Mt. Zugspitze, Germany. The investigated...
Article
Full-text available
Darkening of pristine white areas on Earth could happen when light absorbing particles are deposited on snow and ice surfaces. Airborne particles like mineral dust, ashes or carbonaceous aerosols are able to reduce the snow and ice albedo already by a small quantity of deposited particles. In this study we developed a laboratory analysis method to...
Poster
Full-text available
Poster presented during the session "Dust, Black Carbon, and Other Aerosols in the Cryosphere" of the Cryosphere section (https://agu.confex.com/agu/fm18/meetingapp.cgi/Session/51302)
Article
Cyclase-associated proteins (CAPs) are highly conserved, ubiquitous actin binding proteins that are involved in microfilament reorganization. The N-termini of CAPs play a role in Ras signaling and bind adenylyl cyclase; the C-termini bind to G-actin. We report here the NMR characterization of the amino-terminal domain of CAP from Dictyostelium disc...
Article
Full-text available
Whereas bacterial expression systems are widely used for production of uniformly or selectively (15)N-labeled proteins the usage of the baculovirus expression system for labeling is limited to very few examples in the literature. Here we present the complete formulations of the two insect media, IML406 and 455, for the high-yield production of sele...
Article
Green fluorescent protein (GFP) and its mutants have become valuable tools in molecular biology. GFP has been regarded as a very stable and rigid protein with the beta-barrel shielding the chromophore from the solvent. Here, we report the 15N nuclear magnetic resonance (NMR) studies on the green fluorescent protein (GFPuv) and its mutant His148Gly....
Article
In the time of structural proteomics when protein structures are targeted on a genome-wide scale, the detection of "well-behaved" proteins that would yield good quality NMR spectra or X-ray images is the key to high-throughput structure determination. Already, simple one-dimensional proton NMR spectra provide enough information for assessing the fo...
Article
Recently we have determined the crystal structure of the insulin-like growth factor-I (IGF-I) in complex with the N-terminal domain of the IGF-binding protein-5 (IGFBP-5). Here we report results of computer screening for potential inhibitors of this interaction using the crystal coordinates. From the compounds suggested by in silico screens, succes...
Article
In the time of structural proteomics when protein structures are targeted on a genome-wide scale, the detection of “well-behaved” proteins that would yield good quality NMR spectra or X-ray images is the key to high-throughput structure determination. Already, simple one-dimensional proton NMR spectra provide enough information for assessing the fo...
Article
The oncoprotein MDM2 inhibits the tumor suppressor protein p53 by binding to the p53 transactivation domain. The p53 gene is inactivated in many human tumors either by mutations or by binding to oncogenic proteins. In some tumors, such as soft tissue sarcomas, overexpression of MDM2 inactivates an otherwise intact p53, disabling the genome integrit...

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