Article
Engineering, Chemical
Erdem Kucuktopcu, Bilal Cemek, Halis Simsek
Summary: The effect of insulation thickness on energy efficiency and cost savings of exterior walls for cold storage facilities in different climatic zones in Turkiye was investigated. Rock wool was found to provide the highest energy savings and shortest payback periods among the insulation materials studied.
Article
Environmental Sciences
Stefan Wallek, Marcel Langner, Sebastian Schubert, Christoph Schneider
Summary: Air pollution is a significant health risk factor worldwide. This study presents a method that can accurately determine the ambient particulate matter concentration in Germany at high spatial and hourly resolutions, using freely available data.
Article
Environmental Sciences
Xinyu Song, Yue Zhao, Lina Xie, Guogang Zhang, Zimin Wei, Wenfang Gao, Guanhong Dong, Jinxuan Li
Summary: This research investigated the degradation characteristics of DOM in different watersheds of the Heilongjiang River and found differences in DOM levels and degradation rates among different watersheds. Gene sequencing and network analysis results revealed differences in microbial community composition and functional utilization between upstream, midstream, and downstream water bodies.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Green & Sustainable Science & Technology
Mohamed A. E. AbdelRahman, Yasser M. Zakarya, Mohamed M. Metwaly, Georgios Koubouris
Summary: Detailed knowledge of soil properties is crucial for optimizing agricultural practices. Different geostatistical methods were used to study the spatial variability of soil properties in a reclaimed area of Egypt, showing that Inverse Distance Weighting (IDW) was more efficient than Kriging for mapping soil properties.
Article
Environmental Sciences
Zhou Liang, Robert T. Letscher, Angela N. Knapp
Summary: Surface ocean bulk and semi-labile dissolved organic matter (DOM) stoichiometry vary across ocean regions with global means of 387:26:1 and 179:20:1, respectively. Surface ocean DOC:DOP and DON:DOP concentration ratios are more variable than DOC:DON concentration ratios. Surface ocean gradients in P-depleted DOM stoichiometries in the Pacific and Atlantic basins reflect variable nutrient stress.
GLOBAL BIOGEOCHEMICAL CYCLES
(2023)
Article
Environmental Studies
Sebastiano Trevisani, Igor Bogunovic
Summary: This study provides a high-resolution mapping of soil organic matter (SOM) content in eastern Croatia and compares two datasets from the 1970s and 2010s, revealing a general depletion trend of SOM and a process of homogenization in recent years. The study emphasizes the importance of evaluating soil health and implementing preservation and restoration actions.
Article
Green & Sustainable Science & Technology
Konstantinos X. Soulis, Dimitris Manolakos, Erika Ntavou, George Kosmadakis
Summary: This study developed a simulation model of a two-stage ORC engine combined with evacuated tube solar collectors and applied it throughout Greece. The results show profound spatial variability in system performance.
Article
Environmental Sciences
Marcos Vinicius da Silva, Heliton Pandorfi, Alexandre Manitoba da Rosa Ferraz Jardim, Jose Francisco de Oliveira-Junior, Jesiele Silva da Divincula, Pedro Rogerio Giongo, Thieres George Freire da Silva, Gledson Luiz Pontes de Almeida, Geber Barbosa de Albuquerque Moura, Pabricio Marcos Oliveira Lopes
Summary: This study focused on characterizing the patterns of monthly rainfall in the mesoregions of Zona da Mata and Metropolitan of Recife in the state of Pernambuco, Brazil. Geostatistical techniques and multivariate analysis were used to analyze meteorological data from a 20-year time series, revealing the influence of oceanic and topographical factors on rainfall dynamics.
Article
Environmental Sciences
Stephanie M. Berg, Benjamin D. Peterson, Katherine D. McMahon, Christina K. Remucal
Summary: This study evaluates the composition of dissolved organic matter (DOM) in Lake Mendota as a function of time and depth. The researchers analyze dissolved organic carbon concentrations and optical properties of samples collected from June to November, and use Fourier transform-ion cyclotron resonance mass spectrometry (FT-ICR MS) to investigate DOM composition at the molecular level. The results show that DOM composition varies both temporally and with depth, with photochemical reactions and redox conditions playing important roles. The findings have implications for understanding the flux of CO2 in lakes and the impact of lake eutrophication.
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
(2022)
Article
Optics
Yuchao Fu, Meizhen Huang, Wanxiang Li
Summary: The research established a fluorescence emission model, analyzed the spatial attenuation effect of excitation light, and obtained a high-accuracy model between received fluorescence intensity and concentration. Using this model, analysis of fluorescent substances with ultra-wide concentration range can be realized.
Article
Geosciences, Multidisciplinary
Lucia Clarotto, Denis Allard, Alessandra Menafoglio
Summary: This study proposes a novel class of alpha-transformations, named the Isometric alpha-transformation (alpha-IT), for analyzing and predicting georeferenced compositional data. Unlike traditional Isometric Log-Ratio (ILR) transformation, the proposed transformation accepts zero components. Maximum likelihood estimation of the parameter alpha is established. Prediction using kriging on alpha-IT transformed data is validated, and its performance is evaluated using various metrics.
SPATIAL STATISTICS
(2022)
Article
Plant Sciences
Peipei Zhang, Nate G. McDowell, Xuhui Zhou, Wenzhi Wang, Riley T. Leff, Alexandria L. Pivovaroff, Hongxia Zhang, Pak S. Chow, Nicholas D. Ward, Julia Indivero, Steven B. Yabusaki, Scott Waichler, Vanessa L. Bailey
Summary: The study found that the mortality of trees under seawater exposure is closely related to the consumption of nonstructural carbohydrates (NSC) reserves. With decreasing crown foliage, the concentration of NSC also significantly declined, indicating a strong correlation between tree survival rate and NSC levels.
Article
Engineering, Environmental
Emmanouil A. Varouchakis, Dimitri Solomatine, Gerald A. Corzo Perez, Seifeddine Jomaa, George P. Karatzas
Summary: Successful modelling of groundwater level variations in complex aquifer systems requires integration of geostatistics and machine learning approaches. This study focuses on cases with large and randomly distributed datasets in different aquifer types. Self-Organizing Maps are used to identify locally similar data inputs and substitute the uncertain correlation length of the variogram model. Transgaussian Kriging is then applied to estimate the bias-corrected spatial distribution of groundwater level. The proposed methodology shows a significant improvement compared to classical geostatistical approaches.
STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT
(2023)
Article
Agronomy
Pedro Yescas-Coronado, Miguel angel Segura-Castruita, Arturo Moises Chavez-Rodriguez, Juan Florencio Gomez-Leyva, Aldo Rafael Martinez-Sifuentes, Osvaldo Amador-Camacho, Raul Gonzalez-Medina
Summary: The study aimed to identify and rank the covariables of soil-forming factors that affect the distribution and spatial variability of pH in an agricultural area, and to obtain a predictive map of soil pH. The results showed that particle size and human activity had the most influence on the spatial behavior of pH.
Article
Geosciences, Multidisciplinary
Hewen Niu, Shichang Kang, Chandan Sarangi, Guotao Zhang, Mengxue Chen, Yuzhong Zhang, Huili Qin
Summary: This study systematically determines the organic and inorganic constituents in water bodies of the cryosphere region in the eastern Tibetan Plateau and finds that high-elevation water bodies have lower organic carbon content. Additionally, it suggests that atmospheric deposition and anthropogenic activities contribute to the observed patterns in organic carbon and nitrogen content.
Article
Environmental Sciences
Junliang Zou, Juying Wu, Bruce Osborne, Brian Tobin, Yiqi Luo
Summary: Forest ecosystems play an important role in regulating global temperatures by absorbing and storing CO2, with the availability of nitrogen being crucial for the sustainability of this carbon sink. A study of 135 global field studies found that changes in the total amount of nitrogen were more important than modifications in the C:N ratio in contributing to long-term forest carbon sequestration during forest succession.
ENVIRONMENTAL RESEARCH LETTERS
(2021)
Article
Multidisciplinary Sciences
Roberto L. Salomon, Richard L. Peters, Roman Zweifel, Ute G. W. Sass-Klaassen, Annemiek I. Stegehuis, Marko Smiljanic, Rafael Poyatos, Flurin Babst, Emil Cienciala, Patrick Fonti, Bas J. W. Lerink, Marcus Lindner, Jordi Martinez-Vilalta, Maurizio Mencuccini, Gert-Jan Nabuurs, Ernst van der Maaten, Georg von Arx, Andreas Bar, Linar Akhmetzyanov, Daniel Balanzategui, Michal Bellan, Jorg Bendix, Daniel Berveiller, Miroslav Blazenec, Vojtech Cada, Vinicio Carraro, Sebastien Cecchini, Tommy Chan, Marco Conedera, Nicolas Delpierre, Sylvain Delzon, Lubica Ditmarova, Jiri Dolezal, Eric Dufrene, Johannes Edvardsson, Stefan Ehekircher, Alicia Forner, Jan Frouz, Andrea Ganthaler, Vladimir Gryc, Aylin Guney, Ingo Heinrich, Rainer Hentschel, Pavel Janda, Marek Jezik, Hans-Peter Kahle, Simon Knusel, Jan Krejza, Lukasz Kuberski, Jiri Kucera, Francois Lebourgeois, Martin Mikolas, Radim Matula, Stefan Mayr, Walter Oberhuber, Nikolaus Obojes, Bruce Osborne, Teemu Paljakka, Roman Plichta, Inken Rabbel, Cyrille B. K. Rathgeber, Yann Salmon, Matthew Saunders, Tobias Scharnweber, Zuzana Sitkova, Dominik Florian Stangler, Krzysztof Sterenczak, Marko Stojanovic, Katarina Strelcova, Jan Svetlik, Miroslav Svoboda, Brian Tobin, Volodymyr Trotsiuk, Josef Urban, Fernando Valladares, Hanus Vavrcik, Monika Vejpustkova, Lorenz Walthert, Martin Wilmking, Ewa Zin, Junliang Zou, Kathy Steppe
Summary: Heatwaves have strong and sometimes irreversible impacts on forest ecosystems. This study used high-temporal resolution dendrometer data to investigate the effects of the 2018 European heatwave on tree growth and water status. The findings showed that while annual stem growth was not consistently reduced, stems experienced temporary shrinkage due to water depletion. Conifer species were less capable of rehydrating overnight compared to broadleaves, indicating lower resilience to transient stress.
NATURE COMMUNICATIONS
(2022)
Article
Environmental Sciences
Yuting Zhou, Delong Meng, Bruce Osborne, Yue Fan, Junliang Zou
Summary: This study conducted a meta-analysis of 21 global studies to quantify the impact of litter removal and doubling on soil N2O fluxes in forests. The results showed that litter removal significantly reduced soil N2O fluxes, while increasing litter amount significantly increased the fluxes. These effects varied with forest type and environmental conditions.
Article
Plant Sciences
Mauricio Cruz Mantoani, Bruce Arthur Osborne
Summary: This study demonstrates that mechanical removal and herbicide application can effectively eradicate mature plants of Gunnera tinctoria, but mechanical removal leads to an increase in the number of seedlings, which is further exacerbated by extreme weather events. However, nine months after removal, the number of native species has recovered to approximately 80% of that in uninvaded grasslands, and mature plants of G. tinctoria showed a reduction in above-ground production after the extreme weather event, although largely recovering after six months.
Article
Biodiversity Conservation
Mauricio Cruz Mantoani, Fawzah Talal Alhakami, Hannah Fearon, Margherita Gioria, Olaf Schmidt, Bruce Arthur Osborne
Summary: This study found that the invasive plant Gunnera tinctoria can modify soil physicochemical characteristics and litter inputs, leading to changes in the earthworm community. The invaded areas had higher litter inputs, increased soil pH, and lower soil temperatures. These changes were associated with a higher abundance and diversity of earthworms, particularly in spring samples.
BIOLOGICAL INVASIONS
(2022)
Article
Green & Sustainable Science & Technology
Dongli Wang, Jingting Qiao, Ye Zhang, Tong Wu, Jia Li, Dong Wang, Xiaoliang Zhao, Haiou Shen, Junliang Zou
Summary: Micro-topography is beneficial for plant colonization, but erosion micro-topographies in gangue dumps in Northeast China can hinder plant colonization. Different erosion micro-topographies have distinct environment conditions and vegetation characteristics. The deposit body and rill promote plant colonization, while the ephemeral gully is unsuitable.
Article
Agronomy
Yufei Cui, Weiwei Zhang, Yun Zhang, Xinmei Liu, Ye Zhang, Xiaoying Zheng, Ji Luo, Junliang Zou
Summary: No tillage can decrease upland crop yields but increase soil organic carbon sequestration. When combined with crop residue return and crop rotation, it can reduce the negative effects on crop yield and increase soil organic carbon sequestration.
Article
Agronomy
Jing Xiong, Yongjun Liu, Tianbo Liu, Shuguang Peng, Mingfeng Cao, Zhenhua Wang, Lei Zhou, Junliang Zou, Zhenghua Liu, Jixiang Ai, Yabing Gu, Huaqun Yin, Delong Meng
Summary: Continuous cropping leads to crop reduction, and soil fumigation is an effective approach to alleviate this limitation. Understanding the impact of agriculture management on microbial community and nutrient availability can provide strong support for alleviating continuous cropping barriers. However, the mechanisms of how fumigation enhances plant growth and reduces continuous cropping limitations are unclear.
Article
Forestry
Yun Zhang, Xiaohan Li, Xinmei Liu, Yufei Cui, Ye Zhang, Xiaoying Zheng, Weiwei Zhang, Yue Fan, Junliang Zou
Summary: This study investigated the effects of DWCs on soil properties and microorganisms. The results showed significant differences in cumulative CO2 emissions among different DWC frequencies in woodland soils. The Birch effect was found to be correlated with DWC frequencies, and background nutrient contents were identified as key factors influencing alpha diversity.
Article
Microbiology
Junliang Zou, Weiwei Zhang, Yun Zhang, Juying Wu
Summary: This study demonstrated that elevated CO2 concentrations have a positive impact on plant and microbial biomass. The effects vary depending on factors such as CO2 levels and soil nitrogen limitations. It also highlighted the importance of considering climatic and soil properties in ecosystem models to predict the effects of global climate change and ecosystem functions more accurately.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Ecology
Yanjun Zhang, Junliang Zou, Bruce Osborne, Wei Dang, Yuxia Xu, Yuanyuan Ren, Shuina Dang, Lijuan Wang, Xi Chen, Yuan Yu
Summary: Straw return has been found to increase soil respiration, soil moisture, crop yield, and soil organic carbon in dryland agroecosystems in China, while decreasing soil temperature. The increase in soil respiration in response to straw return is closely related to modifications in soil temperature, soil moisture, soil organic carbon, and crop yield. Straw mulching, crop planting system, tillage method, and fertilization can modify the effect of straw return on soil respiration.
ECOLOGICAL ENGINEERING
(2023)
Article
Agronomy
Xiaohan Li, Juying Wu, Yongsheng Yang, Junliang Zou
Summary: This study conducted a meta-analysis of 43 published papers to determine the direct regulatory factors involved in the priming effect of soil CO2 emissions. The results showed that the priming effect was influenced by ecosystem type, soil properties, climatic factors, and the number of DRW cycles. Soil moisture was found to have a significant impact on the peak time and pulse time of the priming effect.
Article
Environmental Sciences
Xiaoying Zheng, Yun Zhang, Ye Zhang, Yufei Cui, Juying Wu, Weiwei Zhang, Dongli Wang, Junliang Zou
Summary: This study conducted a meta-analysis of 130 studies to examine the effects of different fertilization treatments on soil respiration and its components. The results showed that nitrogen addition significantly reduced soil respiration and heterotrophic respiration, while phosphorus addition had no significant effect. However, the addition of both nitrogen and phosphorus increased soil respiration. The study also found that ecosystem type, duration of fertilization, fertilization rate, and fertilizer form influenced the response of soil respiration to fertilizer application. Additionally, annual average temperature and soil total nitrogen were identified as important predictors of the response of soil respiration to fertilizer addition.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Plant Sciences
Junliang Zou, Juying Wu, Bruce Osborne, Yiqi Luo
Summary: This study used a meta-analysis to quantitatively synthesize C and N responses from field experiments on grasslands subjected to simulated warming. The results showed that elevated temperatures have a significant influence on grassland C and N stocks and their coupling processes.
JOURNAL OF PLANT ECOLOGY
(2022)
