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  • American Institute of Physics (AIP)  (241,959)
  • Blackwell Publishing Ltd  (182,058)
  • Stanford University
  • University of Gdansk
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  • 1
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    Toward an adequate level of detail in flood risk assessments (2023)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2024-01-24
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Flood risk assessments require different disciplines to understand and model the underlying components hazard, exposure, and vulnerability. Many methods and data sets have been refined considerably to cover more details of spatial, temporal, or process information. We compile case studies indicating that refined methods and data have a considerable effect on the overall assessment of flood risk. But are these improvements worth the effort? The adequate level of detail is typically unknown and prioritization of improvements in a specific component is hampered by the lack of an overarching view on flood risk. Consequently, creating the dilemma of potentially being too greedy or too wasteful with the resources available for a risk assessment. A “sweet spot” between those two would use methods and data sets that cover all relevant known processes without using resources inefficiently. We provide three key questions as a qualitative guidance toward this “sweet spot.” For quantitative decision support, more overarching case studies in various contexts are needed to reveal the sensitivity of the overall flood risk to individual components. This could also support the anticipation of unforeseen events like the flood event in Germany and Belgium in 2021 and increase the reliability of flood risk assessments.〈/p〉
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: BMBF http://dx.doi.org/10.13039/501100002347
    Description: Federal Environment Agency http://dx.doi.org/10.13039/501100010809
    Description: http://howas21.gfz-potsdam.de/howas21/
    Description: https://www.umwelt.niedersachsen.de/startseite/themen/wasser/hochwasser_amp_kustenschutz/hochwasserrisikomanagement_richtlinie/hochwassergefahren_und_hochwasserrisikokarten/hochwasserkarten-121920.html
    Description: https://download.geofabrik.de/europe/germany.html
    Description: https://emergency.copernicus.eu/mapping/list-of-components/EMSN024
    Description: https://data.jrc.ec.europa.eu/collection/id-0054
    Description: https://oasishub.co/dataset/surface-water-flooding-footprinthurricane-harvey-august-2017-jba
    Description: https://www.wasser.sachsen.de/hochwassergefahrenkarte-11915.html
    Keywords: ddc:551.48 ; decision support ; extreme events ; integrated flood risk management ; risk assessment
    Language: English
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  • 2
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    Small lateral air pressure gradients generated by a large chamber system have a strong effect on CO2 transport in soil (2023)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2024-02-09
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Gas transport in soils is usually assumed to be purely diffusive, although several studies have shown that non‐diffusive processes can significantly enhance soil gas transport. These processes include barometric air pressure changes, wind‐induced pressure pumping and static air pressure fields generated by wind interacting with obstacles. The associated pressure gradients in the soil can cause advective gas fluxes that are much larger than diffusive fluxes. However, the contributions of the respective transport processes are difficult to separate. We developed a large chamber system to simulate pressure fields and investigate their influence on soil gas transport. The chamber consists of four subspaces in which pressure is regulated by fans that blow air in or out of the chamber. With this setup, we conducted experiments with oscillating and static pressure fields. CO〈sub〉2〈/sub〉 concentrations were measured along two soil profiles beneath the chamber. We found a significant relationship between static lateral pressure gradients and the change in the CO〈sub〉2〈/sub〉 profiles (R〈sup〉2〈/sup〉 = 0.53; 〈italic toggle="no"〉p〈/italic〉‐value 〈2e‐16). Even small pressure gradients between −1 and 1 Pa relative to ambient pressure resulted in an increase or decrease in CO〈sub〉2〈/sub〉 concentrations of 8% on average in the upper soil, indicating advective flow of air in the pore space. Positive pressure gradients resulted in decreasing, negative pressure gradients in increasing CO〈sub〉2〈/sub〉 concentrations. The concentration changes were probably caused by an advective flow field in the soil beneath the chamber generated by the pressure gradients. No effect of oscillating pressure fields was observed in this study. The results indicate that static lateral pressure gradients have a substantial impact on soil gas transport and therefore are an important driver of gas exchange between soil and atmosphere. Lateral pressure gradients in a comparable range can be induced under windy conditions when wind interacts with terrain features. They can also be caused by chambers used for flux measurements at high wind speed or by fans used for head‐space mixing within the chambers, which yields biased flux estimates.〈/p〉
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:631.4 ; advective flux ; chamber flux measurements ; static air pressure fields ; wind‐induced pressure pumping
    Language: English
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  • 3
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    Redoxtrons – An experimental system to study redox processes within the capillary fringe (2023)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2023-11-18
    Description: Spatiotemporal characterisation of the soil redox status within the capillary fringe (CF) is a challenging task. Air‐filled porosities (ε), oxygen concentration (O〈sub〉2〈/sub〉) and soil redox potential (EH) are interrelated soil variables within active biogeochemical domains such as the CF. We investigated the impact of water table (WT) rise and drainage in an undisturbed topsoil and subsoil sample taken from a Calcaric Gleysol for a period of 46 days. We merged 1D (EH and matric potential) and 2D (O〈sub〉2〈/sub〉) systems to monitor at high spatiotemporal resolution redox dynamics within self‐constructed redoxtron housings and complemented the data set by a 3D pore network characterization using X‐ray microtomography (X‐ray μCT). Depletion of O〈sub〉2〈/sub〉 was faster in the organic matter‐ and clay‐rich aggregated topsoil and the CF extended 〉10 cm above the artificial WT. The homogeneous and less‐aggregated subsoil extended only 4 cm above the WT as indicated by ε–O〈sub〉2〈/sub〉–EH data during saturation. After drainage, 2D O〈sub〉2〈/sub〉 imaging revealed a fast aeration towards the lower depths of the topsoil, which agrees with the connected ε derived by X‐ray μCT (ε〈sub〉CT_conn〈/sub〉) of 14.9% of the total porosity. However, small‐scaled anoxic domains with O〈sub〉2〈/sub〉 saturation 〈5% were apparent even after lowering the WT (down to 0.25 cm〈sup〉2〈/sup〉 in size) for 23 days. These domains remained a nucleus for reducing soil conditions (E〈sub〉H〈/sub〉 〈 −100 mV), which made it challenging to characterise the soil redox status in the CF. In contrast, the subsoil aeration reached O〈sub〉2〈/sub〉 saturation after 8 days for the complete soil volume. Values of ε〈sub〉CT_conn〈/sub〉 around zero in the subsoil highlighted that soil aeration was independent of this parameter suggesting that other variables such as microbial activity must be considered when predicting the soil redox status from ε alone. The use of redoxtrons in combination with localised redox‐measurements and image based pore space analysis resulted in a better 2D/3D characterisation of the pore system and related O〈sub〉2〈/sub〉 transport properties. This allowed us to analyse the distribution and activity of microbiological niches highly associated with the spatiotemporal variable redox dynamics in soil environments. Highlights: The time needed to turn from reducing to oxidising (period where all platinum electrodes feature E〈sub〉H〈/sub〉 〉 300 mV) condition differ for two samples with contrasting soil structure. The subsoil with presumably low O〈sub〉2〈/sub〉 consumption rates aerated considerably faster than the topsoil and exclusively by O〈sub〉2〈/sub〉 diffusion through medium‐ and fine‐sized pores. To derive the soil redox status based upon the triplet ε–O〈sub〉2〈/sub〉–E〈sub〉H〈/sub〉 is challenging at present in heterogeneous soil domains and larger soil volumes than 250 cm〈sup〉3〈/sup〉. Undisturbed soil sampling along with 2D/3D redox measurement systems (e.g., redoxtrons) improve our understanding of redox dynamics within the capillary fringe.
    Keywords: ddc:631.4 ; environmental monitoring ; incubation experiments ; redox processes ; soil reducing conditions ; undisturbed soil ; X‐ray microtomography
    Language: English
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  • 4
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    The dilemma of analytical method changes for soil organic carbon in long‐term experiments (2023)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2023-11-17
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈sec xmlns:mml="http://www.w3.org/1998/Math/MathML" id="ejss13362-sec-1003" xml:lang="en"〉 〈p xml:lang="en"〉Long‐term experiments (LTEs) have provided data to modellers and agronomists to investigate changes and dynamics of soil organic carbon (SOC) under different cropping systems. As treatment changes have occurred due to agricultural advancements, so too have analytical soil methods. This may lead to method bias over time, which could affect the robust interpretation of data and conclusions drawn. This study aims to quantify differences in SOC due to changes in dry combustion methods over time, using soil samples of a LTE established in 1963 that focuses on mineral and organic fertilizer management in the temperate zone of Northeast Germany. For this purpose, 1059 soil samples, collected between 1976 and 2008, have been analysed twice, once with their historical laboratory method right after sampling, and a second time in 2016 when all samples were analysed using the same elementary analyser. In 9 of 11 soil sampling campaigns, a paired 〈italic toggle="no"〉t〈/italic〉‐test provided evidence for significant differences in the historical SOC values when compared with the re‐analysed concentrations of the same LTE sample. In the sampling years 1988 and 2004, the historical analysis obtained about 0.9 g kg〈sup〉−1〈/sup〉 lower SOC compared with the re‐analysed one. For 1990 and 1998, this difference was about 0.4 g kg〈sup〉−1〈/sup〉. Correction factors, an approach often used to correct for different analytical techniques, could only be applied for 5 of 11 sampling campaigns to account for constant and proportional systematic method error. For this particular LTE, the interpretation of SOC changes due to agronomic management (here fertilization) deviates depending on the analytical method used, which may weaken the explanatory power of the historical data. We demonstrate that analytical method changes over time present one of many challenges in the interpretation of time series data of SOC dynamics. Therefore, LTE site managers need to ensure providing all necessary protocols and data in order to retrace method changes and if necessary recalculate SOC.〈/p〉 〈/sec〉〈sec xmlns:mml="http://www.w3.org/1998/Math/MathML" id="ejss13362-sec-0003" xml:lang="en"〉 〈title〉Highlights〈/title〉 〈p xml:lang="en"〉〈list list-type="bullet" id="ejss13362-list-0001"〉 〈list-item id="ejss13362-li-0001"〉〈p〉A total of 1059 LTE soil samples taken between 1976 and 2008 were re‐analysed for SOC in 2016〈/p〉〈/list-item〉 〈list-item id="ejss13362-li-0002"〉〈p〉Several methodological changes for SOC determination led to significant different SOC concentration in the same sample〈/p〉〈/list-item〉 〈list-item id="ejss13362-li-0003"〉〈p〉Interpretation and time series of LTE soil data suffer from consideration of analytical method changes and poor documentation of the same〈/p〉〈/list-item〉 〈list-item id="ejss13362-li-0004"〉〈p〉Soil archive establishment, thorough method protocols and diligent proficiency testing after soil method changes ameliorate the dilemma〈/p〉〈/list-item〉 〈/list〉〈/p〉 〈/sec〉
    Description: Brandenburger Staatsministerium für Wissenschaft, Forschung und Kultur http://dx.doi.org/10.13039/501100004581
    Description: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100004937
    Description: https://doi.org/10.4228/zalf-acge-b683
    Keywords: ddc:631.4 ; Bland–Altman ; carbon stocks ; data trueness ; Deming regression ; method bias ; soil archive ; soil survey
    Language: English
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  • 5
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    Optimised use of data fusion and memory‐based learning with an Austrian soil library for predictions with infrared data (2023)
    Blackwell Publishing Ltd | Oxford, UK
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    Publication Date: 2023-12-12
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Infrared spectroscopy in the visible to near‐infrared (vis–NIR) and mid‐infrared (MIR) regions is a well‐established approach for the prediction of soil properties. Different data fusion and training approaches exist, and the optimal procedures are yet undefined and may depend on the heterogeneity present in the set and on the considered scale. The objectives were to test the usefulness of partial least squares regressions (PLSRs) for soil organic carbon (SOC), total carbon (C〈sub〉t〈/sub〉), total nitrogen (N〈sub〉t〈/sub〉) and pH using vis–NIR and MIR spectroscopy for an independent validation after standard calibration (use of a general PLSR model) or using memory‐based learning (MBL) with and without spiking for a national spectral database. Data fusion approaches were simple concatenation of spectra, outer product analysis (OPA) and model averaging. In total, 481 soils from an Austrian forest soil archive were measured in the vis–NIR and MIR regions, and regressions were calculated. Fivefold calibration‐validation approaches were carried out with a region‐related split of spectra to implement independent validations with n ranging from 47 to 99 soils in different folds. MIR predictions were generally superior over vis–NIR predictions. For all properties, optimal predictions were obtained with data fusion, with OPA and spectra concatenation outperforming model averaging. The greatest robustness of performance was found for OPA and MBL with spiking with 〈italic toggle="no"〉R〈/italic〉〈sup〉2〈/sup〉 ≥ 0.77 (N), 0.85 (SOC), 0.86 (pH) and 0.88 (C〈sub〉t〈/sub〉) in the validations of all folds. Overall, the results indicate that the combination of OPA for vis–NIR and MIR spectra with MBL and spiking has a high potential to accurately estimate properties when using large‐scale soil spectral libraries as reference data. However, the reduction of cost‐effectiveness using two spectrometers needs to be weighed against the potential increase in accuracy compared to a single MIR spectroscopy approach.〈/p〉
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:631.4 ; data fusion ; independent validation ; infrared spectroscopy ; MBL ; nitrogen ; outer product analysis ; pH ; soil organic carbon ; spiking ; total carbon
    Language: English
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  • 6
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    Importance of catchment hydrological processes and calibration of hydrological‐hydrodynamic rainfall‐runoff models in small rural catchments (2023)
    Blackwell Publishing Ltd | Oxford, UK
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    Publication Date: 2024-01-19
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉In recent years, many two‐dimensional (2D) hydrodynamic models have been extended to include the direct rainfall method (DRM). This allows their application as a hydrological‐hydrodynamic model for the determination of floodplains in one model system. In previous studies on DRM, the role of catchment hydrological processes (CaHyPro) and its interaction with the calibration process was not investigated in detail. In the present, case‐oriented study, the influence of the spatiotemporal distribution of the processes precipitation and runoff formation in combination with the 2D model HEC‐RAS is investigated. In a further step, a conceptual approach for event‐based interflow is integrated. The study is performed on the basis of a single storm event in a small rural catchment (low mountain range, 38 km〈sup〉2〈/sup〉) in Hesse (Germany). The model results are evaluated against six quality criteria and compared to a simplified baseline model. Finally, the calibrated improved model is contrasted with a calibrated baseline model. The results show the enhancement of the model results due to the integration of the CaHyPro and highlight its interplay with the calibrated model parameters.〈/p〉
    Keywords: ddc:551.48 ; 2D hydrodynamic modeling ; calibration ; direct rainfall modeling ; hydrological processes ; radar data ; runoff formation
    Language: English
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  • 7
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    BODIUM—A systemic approach to model the dynamics of soil functions (2023)
    Blackwell Publishing Ltd | Oxford, UK
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    Publication Date: 2024-01-26
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉The increasing demand for biomass for food, animal feed, fibre and bioenergy requires optimization of soil productivity, while at the same time, protecting other soil functions such as nutrient cycling and buffering, carbon storage, habitat for biological activity and water filter and storage. Therefore, one of the main challenges for sustainable agriculture is to produce high yields while maintaining all the other soil functions. Mechanistic simulation models are an essential tool to fully understand and predict the complex interactions between physical, biological and chemical processes of soils that generate those functions. We developed a soil model to simulate the impact of various agricultural management options and climate change on soil functions by integrating the relevant processes mechanistically and in a systemic way. As a special feature, we include the dynamics of soil structure induced by tillage and biological activity, which is especially relevant in arable soils. The model operates on a 1D soil profile consisting of a number of discrete layers with dynamic thickness. We demonstrate the model performance by simulating crop growth, root growth, nutrient and water uptake, nitrogen cycling, soil organic matter turnover, microbial activity, water distribution and soil structure dynamics in a long‐term field experiment including different crops and different types and levels of fertilization. The model is able to capture essential features that are measured regularly including crop yield, soil organic carbon, and soil nitrogen. In this way, the plausibility of the implemented processes and their interactions is confirmed. Furthermore, we present the results of explorative simulations comparing scenarios with and without tillage events to analyse the effect of soil structure on soil functions. Since the model is process‐based, we are confident that the model can also be used to predict quantities that have not been measured or to estimate the effect of management measures and climate states not yet been observed. The model thus has the potential to predict the site‐specific impact of management decisions on soil functions, which is of great importance for the development of a sustainable agriculture that is currently also on the agenda of the ‘Green Deal’ at the European level.〈/p〉
    Description: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347
    Description: https://git.ufz.de/bodium/bodium_v1.0
    Keywords: ddc:631.4 ; agriculture ; computational model ; simulation ; soil microbiology ; soil structure ; sustainable soil
    Language: English
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  • 8
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    Temperature and soil moisture change microbial allocation of pesticide‐derived carbon (2023)
    Blackwell Publishing Ltd | Oxford, UK
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    Publication Date: 2024-03-18
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Temperature and soil moisture are known to control pesticide mineralization. Half‐life times (DT〈sub〉50〈/sub〉) derived from pesticide mineralization curves generally indicate longer residence times at low soil temperature and moisture but do not consider potential changes in the microbial allocation of pesticide‐derived carbon (C). We aimed to determine carbon use efficiency (CUE, formation of new biomass relative to total C uptake) to better understand microbial utilization of pesticide‐derived C under different environmental conditions and to support the conventional description of degradation dynamics based on mineralization. We performed a microcosm experiment at two MCPA (2‐methyl‐4‐chlorophenoxyacetic acid) concentrations (1 and 20 mg kg〈sup〉−1〈/sup〉) and defined 20°C/pF 1.8 as optimal and 10°C/pF 3.5 as limiting environmental conditions. After 4 weeks, 70% of the initially applied MCPA was mineralized under optimal conditions but MCPA mineralization reached less than 25% under limiting conditions. However, under limiting conditions, an increase in CUE was observed, indicating a shift towards anabolic utilization of MCPA‐derived C. In this case, increased C assimilation implied C storage or the formation of precursor compounds to support resistance mechanisms, rather than actual growth since we did not find an increase in the 〈italic toggle="no"〉tfdA〈/italic〉 gene relevant to MCPA degradation. We were able to confirm the assumption that under limiting conditions, C assimilation increases relative to mineralization and that C redistribution, may serve as an explanation for the difference between mineralization and MCPA dissipation‐derived degradation dynamics. In addition, by introducing CUE to the temperature‐ and moisture‐dependent degradation of pesticides, we can capture the underlying microbial constraints and adaptive mechanisms to changing environmental conditions.〈/p〉
    Description: 〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Changing environmental conditions alter the MCPA degradation dynamics and the allocation of pesticide‐derived carbon to anabolic or catabolic metabolism.〈boxed-text position="anchor" content-type="graphic" id="ejss13417-blkfxd-0001" xml:lang="en"〉 〈graphic position="anchor" id="jats-graphic-1" xlink:href="urn:x-wiley:13510754:media:ejss13417:ejss13417-toc-0001"〉 〈/graphic〉 〈/boxed-text〉〈/p〉
    Description: Collaborative Research Center 1253 CAMPOS (DFG)
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: DFG Priority Program 2322 “Soil System”
    Description: Ellrichshausen Foundation
    Description: Research Training Group “Integrated Hydrosystem modeling”
    Description: https://doi.org/10.5281/zenodo.5081655
    Keywords: ddc:631.4 ; anabolism ; carbon use efficiency ; catabolism ; effect of soil moisture and temperature ; gene‐centric process model ; MCPA biodegradation
    Language: English
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  • 9
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    Fifty years after deep‐ploughing: Effects on yield, roots, nutrient stocks and soil structure (2023)
    Blackwell Publishing Ltd | Oxford, UK
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    Publication Date: 2024-05-30
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Deep‐ploughing far beyond the common depth of 30 cm was used more than 50 years ago in Northern Germany with the aim to break root‐restricting layers and thereby improve access to subsoil water and nutrient resources. We hypothesized that effects of this earlier intervention on soil properties and yields prevailed after 50 years. Hence, we sampled two sandy soils and one silty soil (Cambisols and a Luvisol) of which half of the field had been deep‐ploughed 50 years ago (soils then re‐classified as Treposols). The adjacent other half was not deep‐ploughed and thus served as the control. At all the three sites, both deep‐ploughed and control parts were then conventionally managed over the last 50 years. We assessed yields during the dry year 2019 and additionally in 2020, and rooting intensity at the year of sampling (2019), as well as changes in soil structure, carbon and nutrient stocks in that year. We found that deep‐ploughing improved yields in the dry spell of 2019 at the sandy sites, which was supported by a more general pattern of higher NDVI indices in deep‐ploughed parts for the period from 2016 to 2021 across varying weather conditions. Subsoil stocks of soil organic carbon and total plant‐available phosphorus were enhanced by 21%–199% in the different sites. Root biomass in the subsoil was reduced due to deep‐ploughing at the silty site and was increased or unaffected at the sandy sites. Overall, the effects of deep‐ploughing were site‐specific, with reduced bulk density in the buried topsoil stripes in the subsoil of the sandy sites, but with elevated subsoil density in the silty site. Hence, even 50 years after deep‐ploughing, changes in soil properties are still detectable, although effect size differed among sites.〈/p〉
    Description: BonaRes http://dx.doi.org/10.13039/501100022576
    Keywords: ddc:631.4 ; aggregates ; carbon sequestration ; deep‐ploughing ; macronutrients ; subsoil ; Treposol
    Language: English
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  • 10
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    Inspecting the Reliability of Geochemical Facies Identified for the Waterworks' Capture Zone in Germany (2022)
    Blackwell Publishing Ltd | Malden, US
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    Publication Date: 2022-09-27
    Description: Little research attention has been given to validating clusters obtained from the groundwater geochemistry of the waterworks' capture zone with a prevailing lake‐groundwater exchange. To address this knowledge gap, we proposed a new scheme whereby Gaussian finite mixture modeling (GFMM) and Spike‐and‐Slab Bayesian (SSB) algorithms were utilized to cluster the groundwater geochemistry while quantifying the probability of the resulting cluster membership against each other. We applied GFMM and SSB to 13 geochemical parameters collected during different sampling periods at 13 observation points across the Barnim Highlands plateau located in the northeast of Berlin, Germany; this included 10 observation wells, two lakes, and a gallery of drinking production wells. The cluster analysis of GFMM yielded nine clusters, either with a probability ≥0.8, while the SSB produced three hierarchical clusters with a probability of cluster membership varying from 〈0.2 to 〉0.8. The findings demonstrated that the clustering results of GFMM were in good agreement with the classification as per the principal component analysis and Piper diagram. By superimposing the parameter clustering onto the observation clustering, we could identify discrepancies that exist among the parameters of a certain cluster. This enables the identification of different factors that may control the geochemistry of a certain cluster, although parameters of that cluster share a strong similarity. The GFMM results have shown that from 2002, there has been active groundwater inflow from the lakes towards the capture zone. This means that it is necessary to adopt appropriate measures to reverse the inflow towards the lakes.
    Description: Article impact statement: The probability of cluster membership quantified using an algorithm should be validated against another probabilistic‐based classifier.
    Description: Federal Ministry of Education and Research http://dx.doi.org/10.13039/501100002347
    Keywords: ddc:551.9 ; ddc:551.49
    Language: English
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  • 11
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    Application of mixed‐effects modelling and rule‐based models to explain copper variation in soil profiles of southern Germany (2022)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2022-10-01
    Description: Copper (Cu) is an essential element for plants and microorganisms and at larger concentrations a toxic pollutant. A number of factors controlling Cu dynamics have been reported, but information on quantitative relationships is scarce. We aimed to (i) quantitatively describe and predict soil Cu concentrations (CuAR) in aqua regia considering site‐specific effects and effects of pH, soil organic carbon (SOC) and cation exchange capacity (CEC), and (ii) study the suitability of mixed‐effects modelling and rule‐based models for the analysis of long‐term soil monitoring data. Thirteen uncontaminated long‐term monitoring soil profiles in southern Germany were analysed. Since there was no measurable trend of increasing CuAR concentrations with time in the respective depth ranges of the sites, data from different sampling dates were combined and horizon‐specific regression analyses including model simplifications were carried out for 10 horizons. Fixed‐ and mixed‐effects models with the site as a random effect were useful for the different horizons and significant contributions (either of main effects or interactions) of SOC, CEC and pH were present for 9, 8 and 7 horizons, respectively. Horizon‐specific rule‐based cubist models described the CuAR data similarly well. Validations of cubist models and mixed‐effects models for the CuAR concentrations in A horizons were successful for the given population after random splitting into calibration and validation samples, but not after independent validations with random splitting according to sites. Overall, site, CEC, SOC and pH provide important information for a description of CuAR concentrations using the different regression approaches. Highlights: Information on quantitative relationships for factors controlling Cu dynamics is scarce. Site, CEC, SOC and pH provide important information for a description of Cu concentrations. Validations of cubist models and mixed‐effects models for A horizons were successful for a closed population of sites.
    Description: Bavarian State Ministry of the Environment and Consumer Protection http://dx.doi.org/10.13039/501100010219
    Description: Ministry of Agriculture and Environment Mecklenburg‐Western Pomerania
    Keywords: ddc:631.4
    Language: English
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    Millimetre scale aeration of the rhizosphere and drilosphere (2022)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2022-10-04
    Description: Soil aeration is a critical factor for oxygen‐limited subsoil processes, as transport by diffusion and advection is restricted by the long distance to the free atmosphere. Oxygen transport into the soil matrix is highly dependent on its connectivity to larger pore channels like earthworm and root colonised biopores. Here we hypothesize that the soil matrix around biopores represents different connectivity depending on biopore genesis and actual coloniser. We analysed the soil pore system of undisturbed soil core samples around biopores generated or colonised by roots and earthworms and compared them with the pore system of soil, not in the immediacy of a biopore. Oxygen partial pressure profiles and gas relative diffusion was measured in the rhizosphere and drilosphere from the biopore wall into the bulk soil with microelectrodes. The measurements were linked with structural features such as porosity and connectivity obtained from X‐ray tomography and image analysis. Aeration was enhanced in the soil matrix surrounding biopores in comparison to the bulk soil, shown by higher oxygen concentrations and higher relative diffusion coefficients. Biopores colonised by roots presented more connected lateral pores than earthworm colonised ones, which resulted in enhanced aeration of the rhizosphere compared to the drilosphere. This has influenced biotic processes (microbial turnover/mineralization or root respiration) at biopore interfaces and highlights the importance of microstructural features for soil processes and their dependency on the biopore's coloniser.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:631.4
    Language: English
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    Response of subsoil organic matter contents and physical properties to long‐term, high‐rate farmyard manure application (2022)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2022-07-26
    Description: Application of farmyard manure (FYM) is common practice to improve physical and chemical properties of arable soil and crop yields. However, studies on effects of FYM application mainly focussed on topsoils, whereas subsoils have rarely been addressed so far. We, therefore, investigated the effects of 36‐year FYM application with different rates of annual organic carbon (OC) addition (0, 469, 938 and 1875 g C m−2 a−1) on OC contents of a Chernozem in 0–30 cm (topsoil) and 35–45 cm (subsoil) depth. We also investigated its effects on soil structure and hydraulic properties in subsoil. X‐ray computed tomography was used to analyse the response of the subsoil macropore system (≥19 μm) and the distribution of particulate organic matter (POM) to different FYM applications, which were related to contents in total OC (TOC) and water‐extractable OC (WEOC). We show that FYM‐C application of 469 g C m−2 a−1 caused increases in TOC and WEOC contents only in the topsoil, whereas rates of ≥938 g C m−2 a−1 were necessary for TOC enrichment also in the subsoil. At this depth, the subdivision of TOC into different OC sources shows that most of the increase was due to fresh POM, likely by the stimulation of root growth and bioturbation. The increase in subsoil TOC went along with increases in macroporosity and macropore connectivity. We neither observed increases in plant‐available water capacity nor in unsaturated hydraulic conductivity. In conclusion, only very high application of FYM over long periods can increase OC content of subsoil at our study site, but this increase is largely based on fresh, easily degradable POM and likely accompanied by high C losses when considering the discrepancy between OC addition rate by FYM and TOC response in soil. Highlights A new image processing procedure to distinguish fresh and decomposed POM. The increase of subsoil C stock based to a large extend on fresh, labile POM. Potential of arable subsoils for long‐term C storage by large FYM application rates is limited. The increase in TOC has no effect on hydraulic properties of the subsoil.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:631.4
    Language: English
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    Non‐exchangeable stable hydrogen isotope ratios in clay minerals and soil clay fractions: A method test (2022)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2023-01-20
    Description: Stable hydrogen isotope ratios (δ2H values) in structural hydroxyl groups of pedogenic clay minerals are inherited from the surrounding water at the time of their formation. Only non‐exchangeable H preserves the environmental forensic and paleoclimate information (δ2Hn value). To measure δ2Hn values in structural H of clay minerals and soil clay fractions, we adapted a steam equilibration method by accounting for high hygroscopicity. Our δ2Hn values for USGS57 biotite (−95.3 ± SD 0.9‰) and USGS58 muscovite (30.7 ± 1.4‰) differed slightly but significantly from the reported δ2H values (−91.5 ± 2.4‰ and −28.4 ± 1.6‰), because the minerals contained 1.1%–4.4% of exchangeable H. The low SD of replicate measurements (n = 3) confirmed a high precision. The clay separation method including destruction of Fe oxides, carbonates and soil organic matter, and dispersion did not significantly change the δ2Hn values of five different clay minerals. However, we were unable to remove all organic matter from the soil clay fractions resulting in an estimated bias of 1‰ in two samples and 15‰ in the carbon‐richest sample. Our results demonstrate that δ2Hn values of structural H of clay minerals and soil clay fractions can be reliably measured without interference from atmospheric water and the method used to separate the soil clay fraction. Highlights We tested steam equilibration to determine stable isotope ratios of structural H in clay. Gas‐tight capsule sealing in Ar atmosphere was necessary to avoid remoistening. Our steam equilibration method showed a high accuracy and precision. The clay separation method did not change stable isotope ratios of structural H in clay.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:549 ; controlled isotope exchange technique ; deuterium ; montmorillonite ; soil clay separation ; soil organic matter removal ; steam equilibration ; structural H ; USGS57 biotite ; vermiculite ; δ2H
    Language: English
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    Potential erodibility of semi‐arid steppe soils derived from aggregate stability tests (2022)
    Koza, Moritz ; Pöhlitz, Julia ; Prays, Aleksey ; [et al.]
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2023-01-26
    Description: Erosion is a severe threat to the sustainable use of agricultural soils. However, the structural resistance of soil against the disruptive forces steppe soils experience under field conditions has not been investigated. Therefore, 132 topsoils under grass‐ and cropland covering a large range of physico‐chemical soil properties (sand: 2–76%, silt: 18–80%, clay: 6–30%, organic carbon: 7.3–64.2 g kg−1, inorganic carbon: 0.0–8.5 g kg−1, pH: 4.8–9.5, electrical conductivity: 32–946 μS cm−1) from northern Kazakhstan were assessed for their potential erodibility using several tests. An adjusted drop‐shatter method (low energy input of 60 Joule on a 250‐cm3 soil block) was used to estimate the stability of dry soil against weak mechanical forces, such as saltating particles striking the surface causing wind erosion. Three wetting treatments with various conditions and energies (fast wetting, slow wetting, and wet shaking) were applied to simulate different disruptive effects of water. Results indicate that aggregate stability was higher for grassland than cropland soils and declined with decreasing soil organic carbon content. The results of the drop‐shatter test suggested that 29% of the soils under cropland were at risk of wind erosion, but only 6% were at high risk (i.e. erodible fraction 〉60%). In contrast, the fast wetting treatment revealed that 54% of the samples were prone to become “very unstable” and 44% “unstable” during heavy rain or snowmelt events. Even under conditions comparable to light rain events or raindrop impact, 53–59% of the samples were “unstable.” Overall, cropland soils under semi‐arid conditions seem much more susceptible to water than wind erosion. Considering future projections of increasing precipitation in Kazakhstan, we conclude that the risk of water erosion is potentially underestimated and needs to be taken into account when developing sustainable land use strategies. Highlights Organic matter is the important binding agent enhancing aggregation in steppe topsoils. Tillage always declines aggregate stability even without soil organic carbon changes. All croplands soil are prone to wind or water erosion independent of their soil properties. Despite the semi‐arid conditions, erosion risk by water seems higher than by wind.
    Description: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347
    Keywords: ddc:631.4 ; climate change ; land use ; soil organic carbon ; soil texture ; water erosion ; wind erosion
    Language: English
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    Vertical SOC distribution and aromatic carbon in centuries old charcoal‐rich Technosols (2022)
    Bonhage, Alexander ; Raab, Thomas ; Schneider, Anna ; [et al.]
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2023-01-21
    Description: Charcoal‐rich Technosols on century‐old relict charcoal hearths (RCHs) are the subject of ongoing research regarding potential legacy effects that result from historic charcoal production and subsequent charcoal amendments on forest soil properties and forest ecosystems today. RCHs consist mostly of Auh horizons that are substantially enriched in soil organic carbon (SOC), of which the largest part seems to be of pyrogenic origin (PyC). However, the reported range of SOC and PyC contents in RCH soil also suggests that they are enriched in nonpyrogenic SOC. RCH soils are discussed as potential benchmarks for the long‐term influence of biochar amendment and the post‐wildfire influences on soil properties. In this study, we utilised a large soil sample dataset (n = 1245) from 52 RCH sites in north‐western Connecticut, USA, to quantify SOC contents by total element analysis. The contents of condensed highly aromatic carbon as a proxy for black carbon (BC) were predicted by using a modified benzene polycarboxylated acid (BPCA) marker method in combination with diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy‐based partial least square regression (r2 = 0.89). A high vertical spatial sampling resolution allowed the identification of soil organic matter (SOM) enrichment and translocation processes. The results show an average 75% and 1862% increase in TOC and BPCA‐derived carbon, respectively, for technogenic Auh horizons compared to reference soils. In addition to an increase in aromatic properties, increased carboxylic properties of the RCH SOC suggest self‐humification effects of degrading charcoal and thereby the continuing formation of leachable aromatic carbon compounds, which could have effects on pedogenic processes in buried soils. Indeed, we show BPCA‐derived carbon concentrations in intermediate technogenic Cu horizons and buried top/subsoils that suggest vertical translocation of highly aromatic carbon originating in RCH Auh horizons. Topmost Auh horizons showed a gradual decrease in total organic carbon (TOC) contents with increasing depth, suggesting accumulation of recent, non‐pyrogenic SOM. Lower aliphatic absorptions in RCH soil spectra suggest different SOM turnover dynamics compared to reference soils. Furthermore, studied RCH soils featured additional TOC enrichment, which cannot be fully explained now. Highlights BC to TOC ratio and high resolution vertical SOC distribution in 52 RCH sites were studied. RCH soils non‐BC pool was potentially different to reference soils. RCH soils feature TOC accumulation in the topmost horizon. There is BC translocation into buried soils on RCH sites.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: ddc:631.4 ; benzene polycarboxylated acid marker (BPCA) ; black carbon ; charcoal degradation ; charcoal kiln ; pyrogenic carbon ; relict charcoal hearth ; biochar
    Language: English
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    Defining Hydrogeological Site Similarity with Hierarchical Agglomerative Clustering (2022)
    Blackwell Publishing Ltd | Malden, US
    Details
    Publication Date: 2024-02-28
    Description: 〈title xmlns:mml="http://www.w3.org/1998/Math/MathML"〉Abstract〈/title〉〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉Hydrogeological information about an aquifer is difficult and costly to obtain, yet essential for the efficient management of groundwater resources. Transferring information from sampled sites to a specific site of interest can provide information when site‐specific data is lacking. Central to this approach is the notion of site similarity, which is necessary for determining relevant sites to include in the data transfer process. In this paper, we present a data‐driven method for defining site similarity. We apply this method to selecting groups of similar sites from which to derive prior distributions for the Bayesian estimation of hydraulic conductivity measurements at sites of interest. We conclude that there is now a unique opportunity to combine hydrogeological expertise with data‐driven methods to improve the predictive ability of stochastic hydrogeological models.〈/p〉
    Description: 〈p xmlns:mml="http://www.w3.org/1998/Math/MathML" xml:lang="en"〉〈italic〉Article impact statement〈/italic〉: This article introduces hierarchical clustering as a method for defining a notion of site similarity; the aim of this method is to improve the derivation of prior distributions in Bayesian methods in hydrogeology.〈/p〉
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: https://github.com/GeoStat-Bayesian/geostatDB
    Description: https://github.com/GeoStat-Bayesian/exPrior
    Description: https://github.com/GeoStat-Bayesian/siteSimilarity
    Keywords: ddc:551.49 ; hydrogeological sites ; hydrogeological modeling
    Language: English
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    Reducing tillage intensity benefits the soil micro‐ and mesofauna in a global meta‐analysis (2022)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2024-03-22
    Description: Soil fauna drives crucial processes of energy and nutrient cycling in agricultural systems, and influences the quality of crops and pest incidence. Soil tillage is the most influential agricultural manipulation of soil structure, and has a profound influence on soil biology and its provision of ecosystem services. The objective of this study was to quantify through meta‐analyses the effects of reducing tillage intensity on density and diversity of soil micro‐ and mesofaunal communities, and how these effects vary among different pedoclimatic conditions and interact with concurrent management practices. We present the results of a global meta‐analysis of available literature data on the effects of different tillage intensities on taxonomic and functional groups of soil micro‐ and mesofauna. We collected paired observations (conventional vs. reduced forms of tillage/no‐tillage) from 133 studies across 33 countries. Our results show that reduced tillage intensity or no‐tillage increases the total density of springtails (+35%), mites (+23%), and enchytraeids (+37%) compared to more intense tillage methods. The meta‐analyses for different nematode feeding groups, life‐forms of springtails, and taxonomic mite groups showed higher densities under reduced forms of tillage compared to conventional tillage on omnivorous nematodes (+53%), epedaphic (+81%) and hemiedaphic (+84%) springtails, oribatid (+43%) and mesostigmatid (+57%) mites. Furthermore, the effects of reduced forms of tillage on soil micro‐ and mesofauna varied with depth, climate and soil texture, as well as with tillage method, tillage frequency, concurrent fertilisation, and herbicide application. Our findings suggest that reducing tillage intensity can have positive effects on the density of micro‐ and mesofaunal communities in areas subjected to long‐term intensive cultivation practices. Our results will be useful to support decision making on the management of soil faunal communities and will facilitate modelling efforts of soil biology in global agroecosystems. HIGHLIGHTS Global meta‐analysis to estimate the effect of reducing tillage intensity on micro‐ and mesofauna Reduced tillage or no‐tillage has positive effects on springtail, mite and enchytraeid density Effects vary among nematode feeding groups, springtail life forms and mite suborders Effects vary with texture, climate and depth and depend on the tillage method and frequency
    Description: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347
    Description: https://doi.org/10.20387/bonares-eh0f-hj28
    Keywords: ddc:631.4 ; agricultural land use ; conservation agriculture ; conventional agriculture ; soil biodiversity ; soil cultivation
    Language: English
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    Evaluating learning spaces in flood risk management in Germany: Lessons for governance research (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2021-06-28
    Description: Efforts to collaboratively manage the risk of flooding are ultimately based on individuals learning about risks, the decision process, and the effectiveness of decisions made in prior situations. This article argues that much can be learned about a governance setting by explicitly evaluating the relationships through which influential individuals and their immediate contacts receive and send information to one another. We define these individuals as “brokers,” and the networks that emerge from their interactions as “learning spaces.” The aim of this article is to develop strategies to identify and evaluate the properties of a broker's learning space that are indicative of a collaborative flood risk management arrangement. The first part of this article introduces a set of indicators, and presents strategies to employ this list so as to systematically identify brokers, and compare their learning spaces. The second part outlines the lessons from an evaluation that explored cases in two distinct flood risk management settings in Germany. The results show differences in the observed brokers' learning spaces. The contacts and interactions of the broker in Baden‐Württemberg imply a collaborative setting. In contrast, learning space of the broker in North Rhine‐Westphalia lacks the same level of diversity and polycentricity.
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Description: MWK Baden‐Württemberg
    Keywords: 333.91 ; brokerage ; collaborative water governance ; comanagement ; comparative analysis ; social networks
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    Synthetic resampling strategies and machine learning for digital soil mapping in Iran (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2021-07-04
    Description: Most common machine learning (ML) algorithms usually work well on balanced training sets, that is, datasets in which all classes are approximately represented equally. Otherwise, the accuracy estimates may be unreliable and classes with only a few values are often misclassified or neglected. This is known as a class imbalance problem in machine learning and datasets that do not meet this criterion are referred to as imbalanced data. Most datasets of soil classes are, therefore, imbalanced data. One of our main objectives is to compare eight resampling strategies that have been developed to counteract the imbalanced data problem. We compared the performance of five of the most common ML algorithms with the resampling approaches. The highest increase in prediction accuracy was achieved with SMOTE (the synthetic minority oversampling technique). In comparison to the baseline prediction on the original dataset, we achieved an increase of about 10, 20 and 10% in the overall accuracy, kappa index and F‐score, respectively. Regarding the ML approaches, random forest (RF) showed the best performance with an overall accuracy, kappa index and F‐score of 66, 60 and 57%, respectively. Moreover, the combination of RF and SMOTE improved the accuracy of the individual soil classes, compared to RF trained on the original dataset and allowed better prediction of soil classes with a low number of samples in the corresponding soil profile database, in our case for Chernozems. Our results show that balancing existing soil legacy data using synthetic sampling strategies can significantly improve the prediction accuracy in digital soil mapping (DSM). Highlights Spatial distribution of soil classes in Iran can be predicted using machine learning (ML) algorithms. The synthetic minority oversampling technique overcomes the drawback of imbalanced and highly biased soil legacy data. When combining a random forest model with synthetic sampling strategies the prediction accuracy of the soil model improves significantly. The resulting new soil map of Iran has a much higher spatial resolution compared to existing maps and displays new soil classes that have not yet been mapped in Iran.
    Description: Alexander von Humboldt‐Stiftung http://dx.doi.org/10.13039/100005156
    Description: German Research Foundation http://dx.doi.org/10.13039/501100001659
    Description: Soil and Water Research Institute, Agricultural Research, Education and Extension Organization, Karaj, Iran
    Keywords: 631.4 ; covariates ; imbalanced data ; machine learning ; random forest ; soil legacy data
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    Impact of biochar on nutrient supply, crop yield and microbial respiration on sandy soils of northern Germany (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2021-06-16
    Description: The application of biochar to agricultural soils to increase nutrient availability, crop production and carbon sequestration has gained increasing interest but data from field experiments on temperate, marginal soils are still under‐represented. In the current study, biochar, produced from organic residues (digestates) from a biogas plant, was applied with and without digestates at low (3.4 t ha−1) and intermediate (17.1 t ha−1) rates to two acidic and sandy soils in northern Germany that are used for corn (Zea mays L.) production. Soil nutrient availability, crop yields, microbial biomass and carbon dioxide (CO2) emissions from heterotrophic respiration were measured over two consecutive years. The effects of biochar application depended on the intrinsic properties of the two tested soils and the biochar application rates. Although the soils at the fallow site, with initially low nutrient concentrations, showed a significant increase in pH, soil nutrients and crop yield after low biochar application rates, a similar response was found at the cornfield site only after application of substantially larger amounts of biochar. The effect of a single dose of biochar at the beginning of the experiment diminished over time but was still detectable after 2 years. Whereas plant available nutrient concentrations increased after biochar application, the availability of potentially phytotoxic trace elements (Zn, Pb, Cd, Cr) decreased significantly, and although slight increases in microbial biomass carbon and heterotrophic CO2 fluxes were observed after biochar application, they were mostly not significant. The results indicate that the application of relatively small amounts of biochar could have positive effects on plant available nutrients and crop yields of marginal arable soils and may decrease the need for mineral fertilizers while simultaneously increasing the sequestration of soil organic carbon. Highlights A low rate of biochar increased plant available nutrients and crop yield on marginal soils. Biochar application reduced the availability of potentially harmful trace elements. Heterotrophic respiration showed no clear response to biochar application. Biochar application may reduce fertilizer need and increase carbon sequestration on marginal soils.
    Description: German Academic Exchange Service http://dx.doi.org/10.13039/501100001655
    Description: Institute Strategic Programme grants, “Soils to Nutrition”
    Keywords: 631.4 ; black carbon ; carbon sequestration ; corn ; digestate ; heterotrophic respiration ; marginal soils ; microbial biomass
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    Self‐stated recovery from flooding: Empirical results from a survey in Central Vietnam (2021)
    Blackwell Publishing Ltd | Oxford, UK
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    Publication Date: 2021-06-27
    Description: Social inequalities lead to flood resilience inequalities across social groups, a topic that requires improved documentation and understanding. The objective of this paper is to attend to these differences by investigating self‐stated flood recovery across genders in Vietnam as a conceptual replication of earlier results from Germany. This study employs a regression‐based analysis of 1,010 respondents divided between a rural coastal and an urban community in Thua Thien‐Hue province. The results highlight an important set of recovery process‐related variables. The set of relevant variables is similar across genders in terms of inclusion and influence, and includes age, social capital, internal and external support after a flood, perceived severity of previous flood impacts, and the perception of stress‐resilience. However, women were affected more heavily by flooding in terms of longer recovery times, which should be accounted for in risk management. Overall, the studied variables perform similarly in Vietnam and Germany. This study, therefore, conceptually replicates previous results suggesting that women display slightly slower recovery levels as well as that psychological variables influence recovery rates more than adverse flood impacts. This provides an indication of the results' potentially robust nature due to the different socio‐environmental contexts in Germany and Vietnam.
    Keywords: 333.7 ; flood recovery ; resilience ; societal equity ; vulnerability
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    The potential of ryegrass as cover crop to reduce soil N2O emissions and increase the population size of denitrifying bacteria (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2021-07-05
    Description: Nitrogen (N) fertilization is the major contributor to nitrous oxide (N2O) emissions from agricultural soil, especially in post‐harvest seasons. This study was carried out to investigate whether ryegrass serving as cover crop affects soil N2O emissions and denitrifier community size. A microcosm experiment was conducted with soil planted with perennial ryegrass (Lolium perenne L.) and bare soil, each with four levels of N fertilizer (0, 5, 10 and 20 g N m−2; applied as calcium ammonium nitrate). The closed‐chamber approach was used to measure soil N2O fluxes. Real‐time PCR was used to estimate the biomass of bacteria and fungi and the abundance of genes involved in denitrification in soil. The results showed that the presence of ryegrass decreased the nitrate content in soil. Cumulative N2O emissions of soil with grass were lower than in bare soil at 5 and 10 g N m−2. Fertilization levels did not affect the abundance of soil bacteria and fungi. Soil with grass showed greater abundances of bacteria and fungi, as well as microorganisms carrying narG, napA, nirK, nirS and nosZ clade I genes. It is concluded that ryegrass serving as a cover crop holds the potential to mitigate soil N2O emissions in soils with moderate or high NO3− concentrations. This highlights the importance of cover crops for the reduction of N2O emissions from soil, particularly following N fertilization. Future research should explore the full potential of ryegrass to reduce soil N2O emissions under field conditions as well as in different soils. Highlights This study was to investigate whether ryegrass serving as cover crop affects soil N2O emissions and denitrifier community size; Plant reduced soil N substrates on one side, but their root exudates stimulated denitrification on the other side; N2O emissions were lower in soil with grass than bare soil at medium fertilizer levels, and growing grass stimulated the proliferation of almost all the denitrifying bacteria except nosZ clade II; Ryegrass serving as a cover crop holds the potential to mitigate soil N2O emissions.
    Description: China Scholarship Council http://dx.doi.org/10.13039/501100004543
    Description: The National Science Project for University of Anhui Province
    Keywords: 551.9 ; 631.4 ; denitrification ; perennial ryegrass (Lolium perenne L.) ; soil bacteria ; soil CO2 emissions ; soil N2O emissions
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    ogs5py: A Python‐API for the OpenGeoSys 5 Scientific Modeling Package (2021)
    Blackwell Publishing Ltd | Malden, US
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    Publication Date: 2021-07-04
    Description: High‐performance numerical codes are an indispensable tool for hydrogeologists when modeling subsurface flow and transport systems. But as they are written in compiled languages, like C/C++ or Fortran, established software packages are rarely user‐friendly, limiting a wider adoption of such tools. OpenGeoSys (OGS), an open‐source, finite‐element solver for thermo‐hydro‐mechanical–chemical processes in porous and fractured media, is no exception. Graphical user interfaces may increase usability, but do so at a dramatic reduction of flexibility and are difficult or impossible to integrate into a larger workflow. Python offers an optimal trade‐off between these goals by providing a highly flexible, yet comparatively user‐friendly environment for software applications. Hence, we introduce ogs5py, a Python‐API for the OpenGeoSys 5 scientific modeling package. It provides a fully Python‐based representation of an OGS project, a large array of convenience functions for users to interact with OGS and connects OGS to the scientific and computational environment of Python.
    Description: German Federal Environmental Foundation http://dx.doi.org/10.13039/100007636
    Description: Deutsche Forschungsgemeinschaft http://dx.doi.org/10.13039/501100001659
    Keywords: 551.49 ; hydrogeology ; subsurface flow ; modeling ; software
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    High‐Resolution Integrated Transport Model for Studying Surface Water–Groundwater Interaction (2021)
    Blackwell Publishing Ltd | Malden, US
    Details
    Publication Date: 2021-06-27
    Description: Transport processes that lead to exchange of mass between surface water and groundwater play a significant role for the ecological functioning of aquatic systems, for hydrological processes and for biogeochemical transformations. In this study, we present a novel integral modeling approach for flow and transport at the sediment–water interface. The model allows us to simultaneously simulate turbulent surface and subsurface flow and transport with the same conceptual approach. For this purpose, a conservative transport equation was implemented to an existing approach that uses an extended version of the Navier–Stokes equations. Based on previous flume studies which investigated the spreading of a dye tracer under neutral, losing and gaining flow conditions the new solver is validated. Tracer distributions of the experiments are in close agreement with the simulations. The simulated flow paths are significantly affected by in‐ and outflowing groundwater flow. The highest velocities within the sediment are found for losing condition, which leads to shorter residence times compared to neutral and gaining conditions. The largest extent of the hyporheic exchange flow is observed under neutral condition. The new solver can be used for further examinations of cases that are not suitable for the conventional coupled models, for example, if Reynolds numbers are larger than 10. Moreover, results gained with the integral solver provide high‐resolution information on pressure and velocity distributions at the rippled streambed, which can be used to improve flow predictions. This includes the extent of hyporheic exchange under varying ambient groundwater flow conditions.
    Description: Technische Universität Berlin, Germany
    Description: German Research Foundation http://dx.doi.org/10.13039/501100001659
    Keywords: 551.4 ; aquatic systems ; sediment-water interface ; transport model
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    Iron isotope fractionation in soil and graminaceous crops after 100 years of liming in the long‐term agricultural experimental site at Berlin‐Dahlem, Germany (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2021-07-05
    Description: Sustainable arable cropping relies on repeated liming. Yet, the associated increase in soil pH can reduce the availability of iron (Fe) to plants. We hypothesized that repeated liming, but not pedogenic processes such as lessivage (i.e., translocation of clay particles), alters the Fe cycle in Luvisol soil, thereby affecting Fe isotope composition in soils and crops. Hence, we analysed Fe concentrations and isotope compositions in soil profiles and winter rye from the long‐term agricultural experimental site in Berlin‐Dahlem, Germany, where a controlled liming trial with three field replicates per treatment has been conducted on Albic Luvisols since 1923. Heterogeneity in subsoil was observed at this site for Fe concentration but not for Fe isotope composition. Lessivage had not affected Fe isotope composition in the soil profiles. The results also showed that almost 100 years of liming lowered the concentration of the HCl‐extractable Fe that was potentially available for plant uptake in the surface soil (0–15 cm) from 1.03 (standard error (SE) 0.03) to 0.94 (SE 0.01) g kg−1. This HCl‐extractable Fe pool contained isotopically lighter Fe (δ56Fe = −0.05 to −0.29‰) than the bulk soil (δ56Fe = −0.08 to 0.08‰). However, its Fe isotope composition was not altered by the long‐term lime application. Liming resulted in relatively lower Fe concentrations in the roots of winter rye. In addition, liming led to a heavier Fe isotope composition of the whole plants compared with those grown in the non‐limed plots (δ56FeWholePlant_ + Lime = −0.12‰, SE 0.03 vs. δ56FeWholePlant_‐Lime = −0.21‰, SE 0.01). This suggests that the elevated soil pH (increased by one unit due to liming) promoted the Fe uptake strategy through complexation of Fe(III) from the rhizosphere, which favoured heavier Fe isotopes. Overall, the present study showed that liming and a related increase in pH did not affect the Fe isotope compositions of the soil, but may influence the Fe isotope composition of plants grown in the soil if they alter their Fe uptake strategy upon the change of Fe availability. Highlights Fe concentrations and stocks, but not Fe isotope compositions, were more heterogeneous in subsoil than in topsoil. Translocation of clay minerals did not result in Fe isotope fractionation in the soil profile of a Luvisol. Liming decreased Fe availability in topsoil, but did not affect its δ56Fe values. Uptake of heavier Fe isotopes by graminaceous crops was more pronounced at elevated pH.
    Description: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347
    Keywords: 551.9 ; liming ; plant‐available Fe pool in soil ; winter rye ; δ56Fe
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    Estimating biomass of Macrocystis in the Hopkins Marine Life Refuge (edited by James M. Watanabe) (2021)
    Stanford University | Pacific Grove, CA
    In:  http://aquaticcommons.org/id/eprint/10920 | 29 | 2013-02-26 14:46:10 | 10920
    Details
    Publication Date: 2021-07-02
    Description: Copyright permission signed by the author is on file with the IAMSLIC archive.
    Keywords: Biology ; Ecology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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    Monitoring feeding of great whales by ingested acoustic temperature transmitter (2021)
    Stanford University | Stanford, CA
    In:  http://aquaticcommons.org/id/eprint/4724 | 111 | 2011-01-08 13:04:01 | 4724
    Details
    Publication Date: 2021-07-05
    Description: (PDF contains 4 pages)
    Keywords: Biology ; Fisheries
    Repository Name: AquaDocs
    Type: conference_item
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    How to Find Aquifer Statistics Utilizing Pumping Tests? Two Field Studies Using welltestpy (2021)
    Blackwell Publishing Ltd | Malden, US
    Details
    Publication Date: 2022-04-01
    Description: We present a workflow to estimate geostatistical aquifer parameters from pumping test data using the Python package welltestpy. The procedure of pumping test analysis is exemplified for two data sets from the Horkheimer Insel site and from the Lauswiesen site, Germany. The analysis is based on a semi‐analytical drawdown solution from the upscaling approach Radial Coarse Graining, which enables to infer log‐transmissivity variance and horizontal correlation length, beside mean transmissivity, and storativity, from pumping test data. We estimate these parameters of aquifer heterogeneity from type‐curve analysis and determine their sensitivity. This procedure, implemented in welltestpy, is a template for analyzing any pumping test. It goes beyond the possibilities of standard methods, for example, based on Theis' equation, which are limited to mean transmissivity and storativity. A sensitivity study showed the impact of observation well positions on the parameter estimation quality. The insights of this study help to optimize future test setups for geostatistical aquifer analysis and provides guidance for investigating pumping tests with regard to aquifer statistics using the open‐source software package welltestpy.
    Description: Article impact statement: We present a workflow to infer parameters of subsurface heterogeneity from pumping test data exemplified at two sites using welltestpy.
    Description: German Federal Environmental Foundation (DBU) http://dx.doi.org/10.13039/100007636
    Keywords: ddc:551.49
    Language: English
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    Importance of sources of variability, scales and experimental design: A case study about the effects of biochar and slurry application on soil properties in agricultural silty loam soils (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2022-04-01
    Description: In designed experiments, different sources of variability and an adequate scale of measurement need to be considered, but not all approaches in common usage are equally valid. In order to elucidate the importance of sources of variability and choice of scale, we conducted an experiment where the effects of biochar and slurry applications on soil properties related to soil fertility were studied for different designs: (a) for a field‐scale sampling design with either a model soil (without natural variability) as an internal control or with composited soils, (b) for a design with a focus on amendment variabilities, and (c) for three individual field‐scale designs with true field replication and a combined analysis representative of the population of loess‐derived soils. Three silty loam sites in Germany were sampled and the soil macroaggregates were crushed. For each design, six treatments (0, 0.15 and 0.30 g slurry‐N kg−1 with and without 30 g biochar kg−1) were applied before incubating the units under constant soil moisture conditions for 78 days. CO2 fluxes were monitored and soils were analysed for macroaggregate yields and associated organic carbon (C). Mixed‐effects models were used to describe the effects. For all soil properties, results for the loess sites differed with respect to significant contributions of fixed effects for at least one site, suggesting the need for a general inclusion of different sites. Analysis using a multilevel model allowed generalizations for loess soils to be made and showed that site:slurry:biochar and site:slurry interactions were not negligible for macroaggregate yields. The use of a model soil as an internal control enabled observation of variabilities other than those related to soils or amendments. Experiments incorporating natural variability in soils or amendments resulted in partially different outcomes, indicating the need to include all important sources of variability. Highlights Effects of biochar and slurry applications were studied for different designs and mixed‐effects models were used to describe the effects. Including an internal control allowed observation of, e.g., methodological and analytical variabilities. The results suggested the need for a general inclusion of different sites. Analysis using a multilevel model allowed generalizations for loess soils. The results indicated the need to include all important sources of variability.
    Keywords: ddc:631.4
    Language: English
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    Do tree species affect decadal changes in soil organic carbon and total nitrogen stocks in Danish common garden experiments? (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2022-04-01
    Description: Temperate forest soils are often considered as an important sink for atmospheric carbon (C), thereby buffering anthropogenic CO2 emissions. However, the effect of tree species composition on the magnitude of this sink is unclear. We resampled a tree species common garden experiment (six sites) a decade after initial sampling to evaluate whether forest floor (FF) and topsoil organic carbon (Corg) and total nitrogen (Nt) stocks changed in dependence of tree species (Norway spruce—Picea abies L., European beech—Fagus sylvatica L., pedunculate oak—Quercus robur L., sycamore maple—Acer pseudoplatanus L., European ash—Fraxinus excelsior L. and small‐leaved lime—Tilia cordata L.). Two groups of species were identified in terms of Corg and Nt distribution: (1) Spruce with high Corg and Nt stocks in the FF developed as a mor humus layer which tended to have smaller Corg and Nt stocks and a wider Corg:Nt ratio in the mineral topsoil, and (2) the broadleaved species, of which ash and maple distinguished most clearly from spruce by very low Corg and Nt stocks in the FF developed as mull humus layer, had greater Corg and Nt stocks, and narrow Corg:Nt ratios in the mineral topsoil. Over 11 years, FF Corg and Nt stocks increased most under spruce, while small decreases in bulk mineral soil (esp. in 0–15 cm and 0–30 cm depth) Corg and Nt stocks dominated irrespective of species. Observed decadal changes were associated with site‐related and tree species‐mediated soil properties in a way that hinted towards short‐term accumulation and mineralisation dynamics of easily available organic substances. We found no indication for Corg stabilisation. However, results indicated increasing Nt stabilisation with increasing biomass of burrowing earthworms, which were highest under ash, lime and maple and lowest under spruce. Highlights We studied if tree species differences in topsoil Corg and Nt stocks substantiate after a decade. The study is unique in its repeated soil sampling in a multisite common garden experiment. Forest floors increased under spruce, but topsoil stocks decreased irrespective of species. Changes were of short‐term nature. Nitrogen was most stable under arbuscular mycorrhizal species.
    Description: Deutsche Forschungsgemeinschaff (DFG)
    Keywords: ddc:551.9 ; ddc:631.41
    Language: English
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    The ‘Flood Resilience Rose’: A management tool to promote transformation towards flood resilience (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2021-09-29
    Description: Coping with the growing impacts of flooding in EU countries, a paradigm shift in flood management can be observed, moving from safety‐based towards risk‐based approaches and holistic perspectives. Flood resilience is a common denominator of most of the approaches. In this article, we present the ‘Flood Resilience Rose’ (FRR), a management tool to promote harmonised action towards flood resilience in European regions and beyond. The FRR is a result of a two‐step process. First, based on scientific concepts as well as analysis of relevant policy documents, we identified three ‘levels of operation’. The first level refers to the EU Floods Directive and an extended multi‐layer safety approach, comprising the four different layers of protection, prevention, preparedness and recovery, and related measures to be taken. This level is not independent but depends both on the institutional (second level) and the wider (third level) context. Second, we used surveys, semi‐structured interviews and group discussions during workshops with experts from Belgium, Denmark, Germany, the Netherlands and the United Kingdom to validate the definitions and the FRR's practical relevance. The presented FRR is thus the result of rigorous theoretical and practical consideration and provides a tool capable to strengthen flood risk management practice.
    Description: European Regional Development Fund http://dx.doi.org/10.13039/501100008530
    Keywords: 551.48 ; flood defence measures ; governance and institutions ; integrated flood risk management ; resilience
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    Urban pluvial flood adaptation: Results of a household survey across four German municipalities (2021)
    Blackwell Publishing Ltd | Oxford, UK
    Details
    Publication Date: 2022-09-30
    Description: In recent years, German cities were heavily impacted by pluvial flooding and related damage is projected to increase due to climate change and urbanisation. It is important to ask how to improve urban pluvial flood risk management. To understand the current state of property level adaptation, a survey was conducted in four municipalities that had recently been impacted by pluvial flooding. A hybrid framework based on the Protection Motivation Theory (PMT) and the Protection Action Decision Model (PADM) was used to investigate drivers of adaptive behaviour through both descriptive and regression analyses. Descriptive statistics revealed that participants tended to instal more low‐ and medium‐cost measures than high‐cost measures. Regression analyses showed that coping appraisal increased protection motivation, but that the adaptive behaviour also depends on framing factors, particularly homeownership. We further found that, while threat appraisal solely affects protection motivation and responsibility appraisal affects solely maladaptive thinking, coping appraisal affects both. Our results indicate that PMT is a solid starting point to study adaptive behaviours in the context of pluvial flooding, but we need to go beyond that by, for instance, considering factors of the PADM, such as responsibility, ownership, or respondent age, to fully understand this complex decision‐making process.
    Description: Bundesministerium für Bildung und Forschung http://dx.doi.org/10.13039/501100002347
    Keywords: ddc:551.489 ; ddc:363.34
    Language: English
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    Municipal Toponymic Policy as a Tool for Translation of Regional Identity: a Case of Modern Kazan (Russia) (2020)
    University of Gdansk
    Details
    Publication Date: 2020-09-30
    Description: Currently, the Russian cities are involved in the marketing of territories and competition for various types of resources. This aspect determines the relevance of issues related to building a strong image of the city, including its toponymic component. The category of regional identity is one of the significant tools for managing the image of a city. According to the author, it can be used in municipal toponymic policy to build a long-term strategy for toponymic designation. The author analyzes the current toponymic policy in the city of Kazan, the capital of the Republic of Tatarstan of the Russian Federation, in terms of the manifestation of regional identity. The directions for the correction of the urban toponymicon in the post-Soviet era are considered. The dominant components of regional identity, explicated in the modern toponymy of Kazan, are revealed. The role of regulatory documents in the implementation of the municipal toponymic policy of the contemporary period is characterized.
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    Topics: Geography , Political Science , Sociology
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    Experience of implementing decommunization laws in Eastern Ukraine: a Kharkiv case (2020)
    University of Gdansk
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    Publication Date: 2020-09-30
    Description: The article deals with an instrumental use of the national legislation by the local authorities in Kharkiv, the second-largest city in Ukraine and shows how the shortcomings in the national legislation on the politics of memory can be used by the local political elites of “borderland city” in an attempt to raise the rating and/or to mobilize the electorate before the elections. Consequently, several interviews with local experts and activists were conducted in 2019, and qualitative data analysis was made for the transcribed texts as well as a short review of other papers on the subject. Also, the article shows how the local court can accelerate the process of depriving a historical building of the status of an architectural monument using decommunization laws. The study confirms the existence of serious polarization in Ukrainian society and the superficial nature of decommunization (started in 2015), which stimulates the deepening of such polarization.
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    Topics: Geography , Political Science , Sociology
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    A pattern of alcohol consumption among marijuana users in the adult population of the city of Gdańsk (2020)
    University of Gdansk
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    Publication Date: 2020-03-31
    Description: Alcohol and marijuana are the most commonly used psychoactive substances both in Europe and Poland. In the last four years the proportion of marijuana users in the adult population of Gdańsk has almost doubled: from 7.1% in 2015 to 14.1% in 2019. The surveys concerning the consumption of alcohol conducted every four years since 2007 indicate a significant fact: the proportion of people who drink is decreasing. However, this does not mean that they drink less or less often. A question elaborated in this article is whether marijuana users consume more or less alcohol than non-users. This article is based on the data collected in a questionnaire survey on alcohol and other psychoactive substance use conducted in Gdańsk in the autumn of 2019 on a representative sample of 1,004 adult residents of the city.
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    Topics: Geography , Political Science , Sociology
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    Rethinking the toponymic politics in Belarus in the 20–21 centuries: toward the post-colonial perspective (2020)
    University of Gdansk
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    Publication Date: 2020-09-30
    Description: The article explores the historical trends and patterns in the politics of space in toponymic landscapes of Soviet and postSoviet Belarus through the prism of critical toponymy and the post-colonial theoretical approach. This work aims to reveal the colonial essence of the toponymic politics and policies in Belarus during the Soviet era and explore the unique national (post) colonial context of the post-independent place names. Based on the idea of methodological convergence of post-colonial and post-socialist paradigms, this article analyzes the “top-down” hegemonic toponymic practices implemented by the Soviet regime in Belarus in comparison with the place name policies of the colonial regimes in other parts of the world. Using the comparative analysis of historical (re)naming cases from the regional toponymic system of Belarus, the work shows that the Soviet regime used similar goals, methods, and technologies as other colonial powers. Such examples include ignoring the national language, history, and cultural traditions reflected in place names, inadequate renaming criteria and arrogant methods of choosing the new names, banalization of toponymic landscape and inconsistency in renaming, removing the Belarusian vocabulary from the toponymic landscape and inserting the foreign words and terms into the toponymic system, phonetic and grammatical mutilations of national toponyms according to the norms of the foreign language, symbolic resistance of local population toward new place names. The post-independent period can be defined by the selective post-colonial toponymic practices, which include the co-existence of the Soviet and national toponyms, symbolic (re)naming processes typical for new independent post-colonial states, and the resurrection of the ideologically motivated “toponyms-zombies” from the previous period. Therefore, the modern toponymic landscapes in Belarus can be considered post-colonial, and methodological and theoretical post-colonial perspectives on toponymic research can be applied to post-socialist states.
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    Topics: Geography , Political Science , Sociology
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    Place names as a political instrument in the post-Soviet realm: introduction (2020)
    University of Gdansk
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    Publication Date: 2020-09-30
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    Topics: Geography , Political Science , Sociology
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    Information and Communication Technology (ICT) as a source of development of states and regions in the age of globalization (2020)
    University of Gdansk
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    Publication Date: 2020-03-31
    Description: The article presents the current evolution of the global information society and the problem of digital divide. An additional category is globalization, which has been presented as an accelerator for the development of a global information society. The role of ICT in filling the development gap between regions of the world was identified on the basis of the UN classification. The concept of “digital divide” was introduced as a synonym for a new kind of development gap between the rich North and the poor South, and analysis of data from UN publications showed a constant high diversity of the global information society, which is clearly regionalized.
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    Topics: Geography , Political Science , Sociology
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    Polish-Russian relations after 10 April 2010 (2020)
    University of Gdansk
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    Publication Date: 2020-03-31
    Description: Polish-Russian relations are an extremely dynamic and changeable phenomenon, especially after Poland’s accession to NATO. Despite the fact that the Russian Federation was established only in 1991, the relations discussed in this article have also been influenced by the relations between Poland and the Soviet Union, whose successor was Russia. The aim of this study is to analyse changes in the Polish-Russian relations after 2010. Not only does the paper present the causes of conflicts that have influenced mutual relations, but it also indicates areas that need changing and that may contribute to the warming of relations between Warsaw and Moscow. The method of comparative analysis was applied in the study. The conducted analysis allows stating a significant impact of the Smolensk disaster on the Polish-Russian relations.
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    Topics: Geography , Political Science , Sociology
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    Demographic aspects of the development of the German state Mecklenburg-Vorpommern (2020)
    University of Gdansk
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    Publication Date: 2020-03-31
    Description: This publication presents selected aspects of the demographic development of East Germany based on the example of the state of Mecklenburg-Vorpommern, which after the reunification of Germany in 1990 found itself in a new socio-economic situation. The main goal of the study was to recognize the mechanisms, regularities and directions of changes in the population, to identify the determinants and consequences of changes in terms of reproductive behaviors, and to identify new migratory behaviors of the society. The conducted research showed that the demographic situation of the borderland of state of Mecklenburg-Vorpommern radically changed after the reunification of Germany. At that time, the processes described in the theory of the second demographic transition began. In particular, they concerned a slump in the number of births and a decrease in female fertility, while mortality remained at the same level. In addition, emigration to the neighboring old federal states of Germany in search of better living and working conditions deepened the depopulation processes, led to deformation of demographic structures and, consequently, to the progressive process of demographic aging. Some alleviation of the demographic situation occurred as a result of the inflow of Asian and African immigrants of a relatively young age structure and high biological resilience.
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    Kurdistan’s role in European energy security (2020)
    University of Gdansk
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    Publication Date: 2020-03-31
    Description: The paper analyzes the Kurdistan Regional Government’s (KRG) natural resource strategies, such as how it deals with huge reserves of many trillion cubic feet of its natural gas as significant energy. Because natural gas belongs to the cleanest burning fossil fuels, with 30 percent less carbon than oil, it plays a role in the global fuel economy. As KRG transports its natural gas to international markets, like European countries, via Turkey it means they also participate in energy security as a new actor. Because the KRG is landlocked, strong factors may affect Kurdish natural gas strategies because KRG is surrounded by today’s partners and yesterday’s enemies politically and economically. Turkey, the neighbor of KRG, also buys its gas and has an influence on these strategies after the Ukraine crisis that pushed European countries to make a turn towards Caspian natural gas. Kurdistan is part of the best option for European energy security as it plans to diversify natural gas imports. While the KRG benefits from selling its natural gas directly to international markets, this will come with some struggles. Many of these obstacles can be classified into two types: internal and external obstacles, such as a conflict with the central government regarding how to share gas revenues. Others problems include Iranian neighbor interest on natural resources in Kurdistan and Russia that looks to Kurdish gas as its ally if Kurdistan joins the southern gas corridor pipeline.
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    One small step for e-voting, one giant leap for democracy (2020)
    University of Gdansk
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    Publication Date: 2020-03-31
    Description: E-voting is the next step of the Republic of Moldova evolution. The article presents advantages of e-voting, all steps of using it, and its many types. Electronic voting refers to elections using electronic means. E-voting can be managed by phones, the Internet, private computer networks or special kiosks. Reasons for accepting this kind of voting are provided. The analyzed in the article OSCE/ODIHR’s (Office for Democratic Institutions and Human Rights) activities which are related to tolerance and non-discrimination are focus on the following areas: legislation; law enforcement training; monitoring, reporting on, and following up on responses to hate-motivated crimes and incidents; as well as educational activities to promote tolerance, respect, and mutual understanding. Conclusions from all ODIHR activities which are carried out in close co-ordination and co-operation with OSCE participating States, OSCE institutions and field operations, as well as with other international organizations are given.
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    Topics: Geography , Political Science , Sociology
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    The ‘ultimate toponym’ and national imaginaries in Georgia and Azerbaijan: Constraining Imaginaries of Borchali among Georgian Azeri-Turks (2020)
    University of Gdansk
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    Publication Date: 2020-09-30
    Description: A central component of any national imaginary is the extent to which it is or can be made marketable and consumable by audiences within and outside of the borders of the territorial state. Physical and symbolic delimitation of the “homeland” – in 2- and 3-D, on the ground and on maps, in speech and in individual thought processes - facilitates a certain degree of intra-group solidarity and out-group wariness. After expanding upon the theoretical utility of the concept of the national imaginary, the author examines the role played by the “ultimate toponym”, that of the bounded and institutionalized nation-state, in reifying dominant national imaginaries in Georgia and Azerbaijan. A further aim of this article is to demonstrate the ways that popular and elite-centric conceptions of Azerbaijani and/or Georgian nation-hood stymie Georgian Azeri-Turks’ abilities to imagine alternate forms of identification and belonging, using the phantom territory of “Borchali” as a key example.
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    Topics: Geography , Political Science , Sociology
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    Institutions, stakeholders and the city in the 2010s renaming policy in Russia (2020)
    University of Gdansk
    Details
    Publication Date: 2020-09-30
    Description: The article presents an overview of the renaming tendencies in Russia of the 2010s and the main stakeholders of the name changing. On the base of the administration websites, online media petitions and other open sources, three cases are examined in detail: 1) Perm, where half of Maksim Gorky street was renamed after the surgeon Sergey Sukhanov in 2015; 2) Kazan, where at the same time Esperanto street was renamed after Nursultan Nazarbaev, causing mass protests for several years; 3) Volgograd, with the discussions about returning to its older name Stalingrad being led for years. Based on the analysis of these cases, the following tendencies are identified: changes of stakeholders motivation for renamings, transfer of power to name from parliamentary institutions to administration, a new perception of the city center and distant districts; and, finally, the appearance of alternative mechanisms of social memory encouraged by the wiping out of older names.
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    Changes in tourism in countries of the former Yugoslavia after gaining independence – introduction (2019)
    University of Gdansk
    Details
    Publication Date: 2019-09-30
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    Problems of the Ukrainian labor market (2019)
    University of Gdansk
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    Publication Date: 2019-12-31
    Description: According to various sources, after 2014 there was a clear decline in GDP and the level of income in Ukraine, which, taking into account the interdependence between economic growth and the condition of the labor market, translated into significant difficulties in the structure of resources and the activity of the local workforce. The source of these difficulties turned out to be not only the price factor, but also non-price factors such as poor protection of employee rights, lack of social protection and social security, as well as payment gridlocks on the employer-employee line. This forced many Ukrainians to sometimes make dramatic decisions about economic emigration, mainly to European Union countries, including Poland. According to various estimates, there are currently 7 to 9 million Ukrainian citizens working abroad who contribute to the development of the economies of other countries. Meanwhile, the Ukrainian labor market is in a very difficult situation. Based on the analysis of official statistical data, an attempt was made to characterize the Ukrainian labor market, its main determinants were outlined and Ukrainians’ attitudes towards changes on the domestic labor market were determined. The research used critical literature analysis, statistical description methods, spatial analysis methods and case study method. Based on the conducted analyzes, it was shown that in the years 2010–2017 the Ukrainian labor market was struggling with a number of unfavorable phenomena, which was significantly aggravated by the political crisis at the turn of 2013 and 2014.
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    Anti-Westernism as a criterion for pretending to be revolutionary in Iran and its application as an effective tool in removing political rivals (2019)
    University of Gdansk
    Details
    Publication Date: 2019-03-31
    Description: What has been less visible to observers over more than Iran’s thirty years political events or, in other words, what was actually formed the motivation power of government system after the 1979 revolution, was located under the shadow of a vast tree of religion, is a kind of xenophobia and, in its particular form, is anti-Western. It can be argued that the contents, capacity and role of this religion without any “anti-Western” anticipation were useless and deficient to the Iranian Shiite rulers. The basis of the discussion in this article is the context in which a kind of anti-modernization grew from within and became the dominant discourse of society headed by traditional clergy. What is being discussed in this article is to fingers on the main stimulus and the central tool of production of legitimacy, and its role and application in conjunction with the political ideology of rule in Iran. In this regard, the present article seeks to explain how this primary stimulus has evolved and how it is used as a political tool but in the form of ideology.
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    Touristic valorization of cultural and historical heritage of the central core of Sarajevo based on Hilary du Cros method (2019)
    University of Gdansk
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    Publication Date: 2019-09-30
    Description: Cultural and historical heritage, as well as rich history, very often represents a very important segment of tourism development in a certain city. Tourists are very inclined to the old town centers, which generally have many attractions of this type, and usually they are located in the immediate vicinity. Baščaršija is also an example of the old city area, which earlier was intended for commercial purposes only. Nowadays Baščaršija represents the most attractive part of the City of Sarajevo and its cultural features are a real attraction for many tourists. This paper focuses on the evaluation of the cultural - historical heritage within Baščaršija applying the method of tourist valorization of cultural resources by Hilary du Cross. Baščaršija is home to various religions, peoples and rich legacies from different historical periods that shaped its present-day appearance. The cultural heritage of Baščaršija includes numerous museums, religious buildings, fountains, interesting streets, as well as numerous authentic craft shops.
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    Water (in) security – modern security paradigm (2019)
    University of Gdansk
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    Publication Date: 2019-06-30
    Description: Water. In the existence and activities of each individual it is water that (un) consciously essentially defines them. Therefore, water is called the source of life, but nowadays we know it under the new concept: blue gold. The reason for such a modern understanding of the role of water lies in the increasing limitations of access to sufficient quantities, which first results in water stress – the situation where needs remain unmet, but water scarcity does not yet interfere with the foundations of the activities of societies. Water stress is thus the first form of threat to water security, especially when deficiency destroys all basic social systems that cannot function without water. The question of the role of water between them is increasingly being raised, as the operation of one system in the area of water consumption or management can mean interfering with the water potential of another system. This confronts us with the effect of the definite quantities of water, although countries with ample water resources and quantity (still) often do not understand or perceive it. Of course, this does not mean that the debate is not necessary; it is, conversely, necessary, and it is only in this way that it is possible to prevent or at least control the situation in which many countries around the world have found themselves and there is a total lack of water resources in the most existential aspects. Under these conditions, water security has become the most essential element of national security of these countries and thus a potential weak link in ensuring security.
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    Changes of political theories in the countries of Central and Eastern Europe (2019)
    University of Gdansk
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    Publication Date: 2019-12-31
    Description: In the countries of Middle and Eastern Europe the collapse of „real socialism” was followed by the annulment of political and ideological supervision over scientific researches. Since then the political theory has been developing in an unembarrassed way, drawing investigative patterns with the tradition of western political sciences. Form this perspective, the expression „westernization” used with regard to political theory signifies the process of going away from Marxism and historical materialism. The article focuses on two essential trends of this process. The main consequence is the pluralization of theoretical bases of investigations, which signifies not only differentation, but also the lack of predominant theory. The international program for monitoring the development since 1990, shows that new investigative trends disclose a division between the traditional and current model of politology, which demonstrates the topicality of arguments raised in western academic debatesover the theoretical condition and status of political science discipline.
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    Bulgaria’s geopolitical and geoeconomic reorientation (1989–2019) (2019)
    University of Gdansk
    Details
    Publication Date: 2019-12-31
    Description: Until the late 1980s and the dawn of the end of the Eastern Bloc, communist Bulgaria was considered to be the closest ally of the Soviet Union. Now, 30 years later, the Bulgarian state has been integrated into the main Euro-Atlantic organisations. Taking these radical changes as its starting point, this article outlines the process and consequences of post-1989 geopolitical and geoeconomic reorientation of Bulgaria. The aim was also to present the main geopolitical challenges in Bulgaria’s relations with Russia and Turkey. These states have been influencing the political, economic and cultural development of Bulgaria for centuries. The effects of their influence have remained problematic to this day. As Bulgaria remains a country with a complex geopolitical position, it continues its twentieth-century strategy and tries to maintain balance between its own national interest and the influence of the main centres of power. The author draws particular attention to the fact that the model based on the variability of geopolitical priorities was once again confirmed in the analysed period. This model is not only based on pragmatism in relations with the outside world, which is traditional for the Bulgarian political elite, but is also dependant on the temporary distribution of power within the Balkan geopolitical knot. It seems that the model will continue to be valid, at least in the near future.
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    About restrictions of land rights in Ukraine (2019)
    University of Gdansk
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    Publication Date: 2019-03-31
    Description: The article deals with restrictions on the exercise of land rights. Attention is paid to the consideration of the content of the concept of “restriction of subjective right to land” and the views of domestic scientists regarding its definition are analyzed. The classification of restrictions on rights to land by different criteria is proposed. The peculiarities of reconciliation of public and private interests in the establishment of restrictions on the rights to land are explored.
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    Problems and prospects of development of tourism infrastructure in the Republic of Kazakhstan (2019)
    University of Gdansk
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    Publication Date: 2019-03-31
    Description: Analyzed the state of tourism infrastructure in the Republic of Kazakhstan. Displaying poor development of the basic elements of tourism infrastructure: transport, accommodation, catering, training. Thеre were formulated the ways of solving the existing problems of development of tourism infrastructure, particularly in the information and organizational support.
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    Changing business environment in Belarus (2019)
    University of Gdansk
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    Publication Date: 2019-03-31
    Description: The paper considers the business environment in the context of socio-economic development of the Republic of Belarus. It is analyzed and evaluated the current state of the Belarusian business in terms of various criteria: activity objectives, ownership types, organizational and legal forms, size. In this paper aspects of transformation of property relations and other priorities of macroeconomic environment in the Republic of Belarus for a long, medium and short term are given. The paper is based on data in the Belarusian economy in 2012-2018. The raw data is extracted and processed by authors from the database of the National Statistical Committee of the Republic of Belarus.
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    Cannabis consumers in Poland (2019)
    University of Gdansk
    Details
    Publication Date: 2019-06-30
    Description: The purpose of this study is an attempt to answer the following questions: (1) Is there a regional differentiation of cannabis consumers in Poland? (2) What is the scale of this differentiation? (3) What factors affect this differentiation? Our empirical study is based on the analysis of an anonymous online survey. The coefficient of variation, taxonomic measures of similarity, synthetic index and Spearman correlation coefficient are used in the analysis. It is observed that cannabis consumption in Poland is most popular among men, youth and young adults (Generation Y), as well as among those who are well-educated, relatively well-off and live in cities. The structure of selected demographic and socio-economic features of the respondents is poorly differentiated regionally. Regional differentiation in the structure of cannabis consumption frequency is at an average level. The spatial distribution of features characterizing the respondents is highly consistent with the spatial distribution of city dwellers aged 15–44, their sex and 5-year age ranges, the level of education, the size of cities and the level of gross domestic product.
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    Evolution and changes of tourism in Macedonia in the post-socialist period (1991–2018) (2019)
    University of Gdansk
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    Publication Date: 2019-09-30
    Description: The study provides a historical and contextual analysis of the evolution of tourism in Macedonia. The time scope is defined as the period between 1991 and in 2018. The study investigates the tourism development in Macedonia in the post-socialist period of the country, using the Butler (1980) Tourist Area Life Cycle (TALC) model as an analytical tool. The model provides a framework to explain the complex processes of the development and changes in tourism in the country over the years. For this purpose, an analysis of secondary data sources is implemented to find the changes in the evolutionary stages of tourism development. The findings show that tourism in Macedonia is in a stage of development, and that it has not yet reached the consolidation stage. Lastly, the study offers a better understanding of how tourism in Macedonia is changing in the complex post-socialist period.
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    Theoretical and practical aspects of regeneration of decommissioned industrial areas in Oradea, Romania (2019)
    University of Gdansk
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    Publication Date: 2019-03-31
    Description: Urban regeneration is known to be an experienced but complex phenomenon. Even though, over the years, urban regeneration, in Europe, has been widely used, but in Romania, the concept is still new, many formal industrial spaces are abandoned and there is a lack of interest in bringing these areas back to life. The aim of this paper is to study the concept of urban regeneration, figure out the practical aspects of it and observing the current situation of sites in the city of Oradea, Romania.
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    Post-mining tourism in Upper Silesia and Czech-Moravian country (2019)
    University of Gdansk
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    Publication Date: 2019-06-30
    Description: Europe experiences the development of post-industrial tourism documenting the time of growth of traditional coal basins. Contemporarily, the processes of deindustrialization take place. The material resources of traditional industry are being liquidated – which is expensive, or are adapted for the needs of tourism, which gives a new chance of development for these regions which are by rule in a difficult economic situation. Polish coal basin where many industrial plants and coal mines were closed as a result of restructurizing may serve as an example. Similar processes, although in smaller a scope, occur in the Czech Republic. Some of the industrial objects and coal mines concentrate certain values that predestine them to be included in the group of post-industrial heritage: the Czech and Polish coal mines from the 19th century, or coking plants and steel plants – as Hlubina in Ostrava Vitkovce. The idea of this article is to connect some Czech and Polish objects with one tourist route. The proposed tourist area starts in Czerwionka-Leszczyny and runs to Ostrava, and includes former industrial objects, old mines equipped with steam engines, patronage housing estates, coking plants, as well as mine waste dumps subjected to natural succession of vegetation. Creation of such route will allow to popularize the landmarks of post-industrial heritage for tourists of both countries, as well as will contribute to the development of services based on tourism. The route could become a common training ground for students of polytechnic departments of mining and environment protection, as it illustrates both the former mining technological processes and the processes of renaturalization of dumping grounds. The visiting sites were selected on the basis of unified criteria such as their age, suitability for tourism and education, as well as because of their originality, authenticity and uniqueness. The proposed tourist route will also connect the Polish Industrial Monuments Route with the monuments and mining museums in Ostrava.
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    Changes of tourism in Croatia in the post-socialist period (2019)
    University of Gdansk
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    Publication Date: 2019-09-30
    Description: 21 years of transformation in the tourist function in the territory of Croatia has been summarized in the article. This area has come a long way from the region that was an integral part of Yugoslavia, through the area of warfare related to the civil war to one of the fastest growing tourist destinations in the world. The number of tourists has more than tripled, with an increase from 57% to 1830% in individual counties of Croatia during the analyzed period. At the same time, there was a disproportionately low increase in capacity of accommodation base across the country at the level of 76%. This increase took values from 20% to 350% in extreme districts.
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    Some changes in the spatial characteristics of tourism in Slovenia since its independence (2019)
    University of Gdansk
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    Publication Date: 2019-09-30
    Description: The paper discusses the processes and changes in Slovenian tourism in the last three decades, after the disintegration of Yugoslavia. They have been related to the influence of factors both within the field of tourism and outside of it (external factors, such as geopolitical events, economic changes and shocks, etc.). Empirical analysis is focused particularly on the spatial characteristics of tourism, with the emphasis on the geographical origin of tourist flows and, on the other hand, stability/variability of geographical distribution of tourism within Slovenia. In regard to the latter, especially a very intense growth of tourist numbers in Slovenian capital (Ljubljana) is worth mentioning. The most evident change regarding inbound tourist flows is a strongly increased number of non-European tourists. The observed changes point out the fact that Slovenian tourism is increasingly embedded into globalization processes. Despite the growth in non-European tourist arrivals, the relatively short-distance tourist flows still prevail in the majority of Slovenian tourist destinations. They are also less sensitive to economic and political shocks and they will most probably remain crucial for Slovenian tourism.
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    Specific aspects of European and Polish migrations at the begging of the 21st century (2019)
    University of Gdansk
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    Publication Date: 2019-12-31
    Description: The text focuses on the migration in the European Union and in Poland at the begging of the 21st century. It aims to prove that even if the reasons and consequences of migration are varied, they have significantly shaped the development of human civilization and have been a part of human socialization. Furthermore, this text points out that the phenomena of globalization and democratization have affected the population movement and caused new patterns of contemporary migration. The European Union is a great example of cooperation between different countries in order to realize the principle of free population movement, which was put to the test over past years. Additionally, this article characterizes the Polish migration, especially the inflow of immigrants to Poland. Poland has become an emigration and an attractive immigration country. This text revels also the consequences of migration in modern Europe.
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    Classification of rural areas in Poland in the context of revitalization (2019)
    University of Gdansk
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    Publication Date: 2019-06-30
    Description: The article aims to show the classification of Polish rural areas in the context of revitalization process. This work shows the research making in Polish rural areas concerning this new, important process. Taking experiences from development of rural regions in European Union self-government created the programs called “Revival of the country” and revitalization. These are the most important and the largest regional enterprises implemented by the rural society and also for rural society. It had favorable influence on the preservation and development of the rural identity and integrity at their full range. Nowadays the revitalization process is very important factor of versatile rural economy development.
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    Depopulated localities of former east Prussia as isolated components of the landscape structure in the form of clusters of high vegetation (2019)
    University of Gdansk
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    Publication Date: 2019-12-31
    Description: The article is devoted to selected issues concerning the contemporary landscape identity of completely deserted localities situated in the part of former East Prussia incorporated into Poland. It presents conclusions drawn from an analysis of cartographic materials and on-site research on high greenery’s participation in and importance to the creation of the landscape of uninhabited settlement units. High greenery is one of the main components of the space of abandoned localities in the research area. In total, 94% of completely deserted settlements in the Polish part of former East Prussia are partially or completely covered with high greenery. Relatively often – in 39% of all uninhabited localities – high greenery forms isolated patches in the landscape structure. This is reflected in the process of observation of both the horizontal and vertical landscape structure of a locality, as demonstrated on the example of the case study of one of the old settlements.
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    Geographical aspects of development of regional center Aktobe (2019)
    University of Gdansk
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    Publication Date: 2019-12-31
    Description: This article considers the social and economic situation of the Aktobe region as well as discusses the prospect of industrialization growth. The paper presents a SWOT-analysis that determines strengths and weaknesses of the development of the Aktobe agglomeration. The results can be used by school teachers in teaching a special course in local history, in the activities of architecture department, in the akimat for planning the economic development of the city. In the course of the study, a differentiated assessment of social and economic factors of the Aktobe city was provided.
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    Migration of the population of Transnistria: factors, trends, consequences (2019)
    University of Gdansk
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    Publication Date: 2019-12-31
    Description: The article considers the factors influencing the formation of the modern migration situation in Transnistria, the trends of its development and socio-economic costs. Particular attention is given to the problems of the migration registration system in Transnistria. Also are presented the possible ways to optimize migration accounting in the region.
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    Ethnic-confessional cyclicality and continuity in the Petroșani Depression in the period: 1850–2011 (2019)
    University of Gdansk
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    Publication Date: 2019-03-31
    Description: The aim of the study is to comprise in one work the cyclicality and ethnic and religious continuity of the Petroşani Depression between 1850-2011. In the second half of the 19th century, the depression was subjected to cycles of colonization that had consequences for the ethnic and religious structure. The ethnic and religious continuity was preserved throughout this period, even though after 1930, some of the settlers remigrated to their birthplace. Compared to the late 19-century censuses, the herds have fallen to 2011, but none of the ethnics and confessions have completely disappeared. The statistical data used were taken from the literature mentioned during the work and on the online platform of the National Institute of Statistics. The geographic information systems were used to achieve the geographical position map at the county and national level of the Petroşani Depression.
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    Changes on the tourism services market in Montenegro in 2007–2017 (2019)
    University of Gdansk
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    Publication Date: 2019-09-30
    Description: The aim of the article is to discuss the changes on the tourism services market in Montenegro. The article presents statistical data on tourist traffic and the use of accommodation facilities both nationally and regionally. It focuses on domestic and inbound tourism with special emphasis placed on the citizens of Serbia, Russia, Bosnia and Herzegovina. It is assumed that the seaside location is of utmost importance for Montenegrin tourism as increased tourist traffic can be observed in the coastal zone. It is also stated that the biggest threat to the development of Montenegrin tourism is not enough diversity in international tourist arrivals.
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    Similarities and differences in changing NPS market brought by new regulatory approaches in selected Eastern and Central European states with mostly focus on Poland and Latvia (2019)
    University of Gdansk
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    Publication Date: 2019-06-30
    Description: The main objective of the paper is to explain, compare and conclude the effect on the new psychoactive substances (NPS) market brought by new and innovative responses to regulate the NPS (mostly between 2010 and 2014) in Estonia, Latvia, Lithuania, Poland, the Czech Republic, Hungary, and Romania. Countries where NPS problem reached the peak, the traditional response or simply substance scheduling did not work. Since the NPS do not fall under market regulations, also the response to the problem was innovative stepping out of the existing system (for example, temporary prohibition in Poland, Latvia). Moreover, a political and social pressure has been a factor to speed up the development of new regulations, sometime affecting the quality. Seemingly harsh sanctions and immediate reaction are main elements to close the NPS street shops. Meanwhile this approach hasn’t caused a step back for chemical industry or science. Still is open question if national regulations against NPS market are fully enough. NPS market reacts very quickly for changing and only very strong and fast reaction from the institutional level seems to be effectiveness. Although NPS market differs in each country, study shows that harsh sanctions such as criminal liability and immediate reaction significantly decrease the availability of NPS, and thus contribute in decreasing acute health problems and prevalence. It was observed that at the time when stricter measure came into force, hospital emergencies were increased (Poland, Romania and in same extent Latvia).
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    Implementation and development of European model of neighborhood intermunicipal cooperation in Ukraine (2019)
    University of Gdansk
    Details
    Publication Date: 2019-06-30
    Description: The article was tried to solve the dilemma of whether neighborhood inter-municipal cooperation in Ukraine is part of the European model of inter-municipal cooperation, or just another attempt to imitate it? The basis of the study is the work on the general theory of governance, territorial governance, inter-municipal cooperation, which provide a basis for understanding what the European model of neighborhood inter-municipal cooperation is. The research is based on an analysis of the legal framework governing inter-municipal cooperation in Ukraine, as well as official statistics on the practical implementation of the right to inter-municipal cooperation of neighboring territorial communities.
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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    Public administration reform as main prerequisite for deeper cooperation with EU and NATO (2019)
    University of Gdansk
    Details
    Publication Date: 2019-03-31
    Description: For Ukraine strategic partnership with NATO is an integral part of the European integration course as complementary to the process of internal reforms in the context of the implementation of the Association Agreement between the European Union and the European Atomic Energy Community and their Member States, of the one part, and Ukraine, of the other part. The significant part of the thesis is devoted to classifications of indicators that measure the European integration progress. In addition to the existing classifications, the author suggests using a new one that analyzes all indicators according to two parameters: (1) as markers of how public administration values (legality, integrity/honesty, transparency, accountability, effectiveness) are adjusted and level of trust for public institution was changed over time; (2) as measurements of ability to integrate into different fields (policies, economy, law approximation, social field etc). The analysis of these indicators helped to generate their taxonomy to measure a progress. The author has specified that the lack of deep relations within regional trade agreements with democratic countries results in poor quality of regulation and ineffective governmental performance in Ukraine.
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    Topics: Geography , Political Science , Sociology
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    Powering the 21st century by wind energy—Options, facts, figures (2019)
    American Institute of Physics (AIP)
    In:  Applied Physics Reviews, 6 (3). 031303.
    Details
    Publication Date: 2020-01-02
    Description: This review article aims to provide an overview and insight into the most relevant aspects of wind energy development and current state-of-the-art. The industry is in a very mature stage, so it seems to be the right time to take stock of the relevant areas of wind energy use for power generation. For this review, the authors considered the essential aspects of the development of wind energy technology: research, modeling, and prediction of wind speed as an energy source, the technology development of the plants divided into the mechanical and electrical systems and the plant control, and finally the optimal plant operation including the maintenance strategies. The focus is on the development in Europe, with a partial focus on Germany. The authors are employees of the Fraunhofer Institutes, Institute for Energy Economics and Energy Systems Technology and Institute for Wind Energy Systems, who have contributed to the development of this technology for decades.
    Type: Article , PeerReviewed
    Format: text
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    Problems of implementation of the european charter for regional and minority languages by Ukraine (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Self-proclaimed republics of Eastern Ukraine – corridor of development trajectories (political, ethno-demographic and socio-economic aspects) (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Ukrainian practice of the military radio broadcasting development during the military conflict (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
    Print ISSN: 2084-0497
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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    Psychotherapeutic strategies for management of neurotic disorders in veterans of modern combat (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
    Print ISSN: 2084-0497
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    Topics: Geography , Political Science , Sociology
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    Assessment of the health losses resulted from the internal armed conflict in Ukraine and public health tasks (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
    Print ISSN: 2084-0497
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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    Theoretical problems of exercising of land rights in Ukraine (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Introduction (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Ensuring equal regional employment conditions as a mechanism to overcome the problems of employment of IDPs (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
    Print ISSN: 2084-0497
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    Topics: Geography , Political Science , Sociology
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    Russian-Ukrainian Relations in the Contemporary Eurasian Context: Geo-Economic Aspect (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Introduction (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Military-civil administrations as the mechanism of specific decision making process under conditions of Anti-Terrorist Operation (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Introduction (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Examining common values of the International Christian Center (IKC) and its employees (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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  • 86
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    Sanctuaries in Lviv archdiocese: current state and development prospects (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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    Cross-border health services – selected issues (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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  • 88
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    Russians in Ukraine – geodemographic dynamics of the post-Soviet period (results and perspectives) (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    The change of trends in political and geographical subjectivity of Crimea (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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  • 90
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    The Russian-Ukrainian relations in the youth estimates of the boundary region (evidence from the Rostov region) (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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  • 91
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    Social protection of ATO participants and their families in Ukraine: an analytical review and promising measures (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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  • 92
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    Analysis of the actual nutrition status of servicemen of the Transcarpathian region who participated in the ATO and its influence on the development of the pathology of the digestive organs (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
    Print ISSN: 2084-0497
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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    Analysis of the state governance mechanism in the sphere of social protection for participants of the antiterrorist operation in the east of Ukraine (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Radical shifts in Russian-Ukrainian relations and geopolitics of neighbourhood (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Technology mediation as an effective procedure of public administration in social protection of antiterrorist operations participants (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Donbas as an ecological disaster area:technogenic challenges and threats (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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    Improvement of social inclusion of ATO participants and their families in Ukraine: approaches, problems (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
    Published by University of Gdansk
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    Reasons for emergence and ideological explanation of the irredentist policy (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Urban regeneration and gentrification in Romania (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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    Threatening archipelagos. Serbian enclaves and minorities in Kosovo (2018)
    University of Gdansk
    Details
    Publication Date: 2018-01-01
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    Topics: Geography , Political Science , Sociology
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