Thomas Pütz
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View article: Long-term hourly stream-water flux data to study the effects of forest management on solute transport processes at the catchment scale
Long-term hourly stream-water flux data to study the effects of forest management on solute transport processes at the catchment scale Open
A substantial body of knowledge concerning the functioning of catchments has been derived from the observation and quantification of solute and suspended matter fluxes in rivers. The Wüstebach catchment is a hydrological observatory that i…
View article: The AgraSim (Agricultural Simulator) facility for the comprehensive experimental simulation and analysis of environmental impacts on processes in the soil-plant-atmosphere system
The AgraSim (Agricultural Simulator) facility for the comprehensive experimental simulation and analysis of environmental impacts on processes in the soil-plant-atmosphere system Open
The AgraSim large-scale research infrastructure is an experimental simulator consisting of six mesocosms (each mesocosm consisting of an integrated climate chamber, plant chamber and lysimeter system) for studying the effects of future cli…
View article: Enhanced weathering leads to substantial C accrual on crop macrocosms
Enhanced weathering leads to substantial C accrual on crop macrocosms Open
Enhanced weathering (EW) is proposed as a key strategy for climate change mitigation. It involves the application of silicate rock powder to soils, where it is expected to react with CO₂ released from soil respiration, forming stable carbo…
View article: Tuning the Gel Network Structure and Rheology of Acid-Induced Casein Gels via Thiol Blocking
Tuning the Gel Network Structure and Rheology of Acid-Induced Casein Gels via Thiol Blocking Open
This study systematically investigates how thiol–disulfide interactions influence the structure and mechanical properties of casein gels. Acid gels were prepared from suspensions of micellar casein (MC) powder that were heat-treated at 70 …
View article: Long-term hourly stream-water flux data to study the effects of forest management on solute transport processes at the catchment scale
Long-term hourly stream-water flux data to study the effects of forest management on solute transport processes at the catchment scale Open
A substantial body of knowledge concerning the functioning of catchments has been derived from the quantification of solute and suspended matter fluxes in rivers. The Wüstebach catchment is a hydrological observatory that is part of the Ge…
View article: Role of Disulfide Bonds on the Microstructure and Mechanical Properties of Acid-Induced Casein Gels
Role of Disulfide Bonds on the Microstructure and Mechanical Properties of Acid-Induced Casein Gels Open
In this study, acid gels prepared from micellar casein powder with identical heat treatment and different levels of N-ethylmaleimide blocking of free thiol groups were compared with an untreated reference sample. Heat treatment promotes th…
View article: Altered Translocation Pattern as Potential Glyphosate Resistance Mechanism in Blackgrass (Alopecurus myosuroides) Populations from Lower Saxony
Altered Translocation Pattern as Potential Glyphosate Resistance Mechanism in Blackgrass (Alopecurus myosuroides) Populations from Lower Saxony Open
Glyphosate is a broad-spectrum herbicide widely used. After years of extensive usage, many weed species have developed resistance due to both target-site (TSR) and non-target-site resistance mechanisms (NTSRs). Alopecurus myosuroides is a …
View article: Deforestation effects on the spatial distribution of C and N in the soils of a forested headwater catchment in the Eifel, Germany
Deforestation effects on the spatial distribution of C and N in the soils of a forested headwater catchment in the Eifel, Germany Open
Riverine systems are distinct components of the natural environment which have significant roles in storing and processing terrestrial carbon. While processing organic matter, rivers release large amount of greenhouse gasses to the atmosph…
View article: Development of the "Agricultural Simulator" AgraSim for comprehensive experimental simulation and analysis of environmental impacts on processes in the soil-plant-atmosphere system
Development of the "Agricultural Simulator" AgraSim for comprehensive experimental simulation and analysis of environmental impacts on processes in the soil-plant-atmosphere system Open
For studying the effects of future climate conditions on plant physiological, biogeochemical, hydrological and atmospheric processes in agroecosystems, we developed a large-scale research infrastructure, called AgraSim. AgraSim is an exper…
View article: Non-extractable residues of perfluorooctanoic acid (PFOA) in soil
Non-extractable residues of perfluorooctanoic acid (PFOA) in soil Open
PER: and polyfluoroalkyl substances have gained increased attention due to their persistence, ubiquitous presence in the environment, and toxicity. We hypothesised that the formation of non-extractable residues [NER] occurs in soils and co…
View article: Accelerated calciprotein crystallization time (T50) is correlated with impaired lung diffusion capacity in systemic sclerosis
Accelerated calciprotein crystallization time (T50) is correlated with impaired lung diffusion capacity in systemic sclerosis Open
Background Systemic sclerosis (SSc) is a complex auto-immune disease characterized by vascular damage, inflammation, fibrosis and calcinosis, where pulmonary involvement is the leading cause of mortality. Calciprotein particles (CPPs) are …
View article: Spruce and pine utilization of phosphorus in soil amended with <scp> <sup>33</sup> P </scp> ‐labelled hydroxylapatite
Spruce and pine utilization of phosphorus in soil amended with <span> <sup>33</sup> P </span> ‐labelled hydroxylapatite Open
Mined rock phosphate is expected to become a scarce resource within the next few decades as global phosphorus (P) deposits are declining. As a result, mineral P fertilizer will be less available and more expensive. Therefore, improved know…
View article: The AgraSim (Agricultural Simulator) facility for the comprehensive experimental simulation and analysis of environmental impacts on processes in the soil-plant-atmosphere system
The AgraSim (Agricultural Simulator) facility for the comprehensive experimental simulation and analysis of environmental impacts on processes in the soil-plant-atmosphere system Open
The AgraSim (Agricultural Simulator) large-scale research infrastructure is an experimental simulator consisting of six mesocosms (each mesocosm consisting of an integrated climate chamber, plant chamber and lysimeter system) for studying …
View article: Fifteen Years of Integrated Terrestrial Environmental Observatories (TERENO) in Germany: Functions, Services, and Lessons Learned
Fifteen Years of Integrated Terrestrial Environmental Observatories (TERENO) in Germany: Functions, Services, and Lessons Learned Open
The need to develop and provide integrated observation systems to better understand and manage global and regional environmental change is one of the major challenges facing Earth system science today. In 2008, the German Helmholtz Associa…
View article: Critical Soil Moisture Content Estimated from Lysimeter Time Series for Different Soil, Vegetation and Weather conditions
Critical Soil Moisture Content Estimated from Lysimeter Time Series for Different Soil, Vegetation and Weather conditions Open
Evapotranspiration (ET) is a crucial terrestrial ecosystem process that links water, energy, and carbon cycles. ET can be limited by either energy or water availability. The transition between water- and energy-limited regimes is associate…
View article: Spontaneous tree growth and carbon dynamics during the first decade after removal of a coniferous monoculture at a humid temperate forest site
Spontaneous tree growth and carbon dynamics during the first decade after removal of a coniferous monoculture at a humid temperate forest site Open
In September 2013, 8.6 hectares of a 70-year old Norway spruce (picea abies) monoculture were cleared in the newly founded national park Eifel (Germany) and left to spontaneous regrowth of the expected deciduous forest matching the site…
View article: Investigating herbicide transport and fate in vegetated lysimeters with numerical modeling and stable carbon isotopes
Investigating herbicide transport and fate in vegetated lysimeters with numerical modeling and stable carbon isotopes Open
The application of pesticides can induce severe impacts to the vadose zone, groundwater, and their ecosystems. A study was carried out on two lysimeters located in Wielenbach, Germany. Different soil textures were considered within the soi…
View article: Clearcut effects on the spatial distribution of C and N in the soils of a forested headwater catchment in the Eifel, Germany
Clearcut effects on the spatial distribution of C and N in the soils of a forested headwater catchment in the Eifel, Germany Open
Riverine systems are distinct components of the natural environment which have significant roles in storing and processing terrestrial carbon. While processing organic matter, rivers release large amount of greenhouse gasses to the atmosph…
View article: Role of vegetation and soil-induced effects of microclimate on non-rainfall water inputs
Role of vegetation and soil-induced effects of microclimate on non-rainfall water inputs Open
Precipitation (i.e. rain, snow, hail) is the main form of water input to our ecosystem. However, depending on local climatic conditions, a significant amount of water can also be produced by various fractions of non-rainfall water inputs (…
View article: 15 years of Integrated Terrestrial Environmental Observatories (TERENO) in Germany: Functions, Services and Lessons Learned
15 years of Integrated Terrestrial Environmental Observatories (TERENO) in Germany: Functions, Services and Lessons Learned Open
The need to develop and provide integrated observation systems to better understand and manage global and regional environmental change is one of the major challenges facing Earth system science today. In 2008, the German Helmholtz Associa…
View article: Evaluation of precipitation measurement methods using data from a precision lysimeter network
Evaluation of precipitation measurement methods using data from a precision lysimeter network Open
Accurate precipitation data are essential for assessing the water balance of ecosystems. Methods for point precipitation determination are influenced by wind, precipitation type and intensity and/or technical issues. High-precision weighab…
View article: Fate of herbicides in cropped lysimeters: 2. Leaching of four maize herbicides considering different processes
Fate of herbicides in cropped lysimeters: 2. Leaching of four maize herbicides considering different processes Open
This study investigates the contamination potential of herbicides to groundwater with the help of numerical modeling (HYDRUS‐1D) and stable carbon isotopes for characterizing biodegradation. Four herbicides, metolachlor, terbuthylazine, pr…
View article: Fate of herbicides in cropped lysimeters: 1. Influence of different processes and model structure on vadose zone flow
Fate of herbicides in cropped lysimeters: 1. Influence of different processes and model structure on vadose zone flow Open
Understanding transport and fate processes in the subsurface is of fundamental importance to identify the leaching potentials of herbicides or other compounds to groundwater resources. HYDRUS‐1D was used to simulate water flow and solute t…
View article: Nearly Reversible Expansion and Shrinkage of Casein Microparticles Triggered by Extreme pH Changes
Nearly Reversible Expansion and Shrinkage of Casein Microparticles Triggered by Extreme pH Changes Open
Solvent flows in the fL/s range across the total surface of a casein microparticle cause its expansion and shrinkage. Microparticles prepared from the milk protein casein have a porous and flexible inner structure with water-filled channel…
View article: Analysis of Scale-dependent Spatial Correlations of Actual Evapotranspiration Measured by Lysimeters
Analysis of Scale-dependent Spatial Correlations of Actual Evapotranspiration Measured by Lysimeters Open
Actual evapotranspiration (ETa) is difficult to measure and limited long-term information is available about ETa. With eddy covariance systems ETa can be measured at the field scale, but the method is associated with energy balance closure…
View article: Actual evapotranspiration differences between measurements of eddy covariance and lysimeters over grasslands
Actual evapotranspiration differences between measurements of eddy covariance and lysimeters over grasslands Open
Accurate measurements of actual evapotranspiration (ETa) play an important role in understanding land surface processes and agricultural management. Two of the most commonly used and established methods for quantifying ETa are eddy covaria…