Article
Environmental Sciences
Nuria Martinez-Carreras, Leslie Ogorzaly, Cecile Walczak, Christophe Merlin, Emmanuelle Montarges-Pelletier, Christophe Gantzer, Jean-Francois Iffly, Henry-Michel Cauchie, Christophe Hissler
Summary: This study analyzed the concentrations and genogroup distribution of FRNAPHs in the Orne River in France over a two-year period, as well as during four storm runoff events. It found that different driving factors affect FRNAPHs during low flows and storm runoff events, highlighting the importance of measuring at both time scales to better understand phage transport dynamics in surface water.
Article
Engineering, Marine
Georgios Klonaris, Frans Van Eeden, Jeffrey Verbeurgt, Peter Troch, Denis Constales, Hans Poppe, Alain De Wulf
Summary: The study focuses on developing and validating a state-of-the-art three-dimensional numerical model as the basis for a compound operational and forecasting tool for the Belgian coastal zone. The model’s behavior throughout the North Sea and its response to meteorological conditions have been validated, showing good agreement with observations.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2021)
Article
Meteorology & Atmospheric Sciences
Sheikh Umar, M. A. Lone, N. K. Goel, Mohammad Zakwan
Summary: The trend analysis of hydro-meteorological data in the Jhelum River basin showed a significant decrease in annual average rainfall and discharge, while annual maximum rainfall and discharge revealed a significant increasing trend. These findings are crucial for the future management of water resources.
THEORETICAL AND APPLIED CLIMATOLOGY
(2022)
Article
Environmental Sciences
Malak Henchiri, Tertsea Igbawua, Tehseen Javed, Yun Bai, Sha Zhang, Bouajila Essifi, Fanan Ujoh, Jiahua Zhang
Summary: The study investigated meteorological drought in North and West Africa from 1982 to 2018, using various statistical analysis methods such as JPDF and SPI to analyze drought intensity, duration, and trends. Results indicated that short-term droughts had higher return probabilities, with a direct connection between drought and NAOI in Morocco, Algeria, and sub-Saharan countries, as well as possible links to SOI in Guinea, Ghana, Sierra Leone, Mali, Cote d'Ivoire, Burkina Faso, Niger, and Nigeria.
Article
Environmental Sciences
Rui Li, Yilong Zhao, Hongbo Fu, Jianmin Chen, Meng Peng, Chunying Wang
Summary: The rapid response to the COVID-19 pandemic resulted in a significant decrease in pollutant emissions, while higher humidity and lower air temperature enhanced the production of secondary aerosols. Changes in meteorological conditions and NH3 levels during the pandemic period contributed to the characteristic haze events.
ATMOSPHERIC CHEMISTRY AND PHYSICS
(2021)
Article
Environmental Sciences
Jing Sun, Shixin Duan, Baolin Wang, Lei Sun, Chuanyong Zhu, Guolan Fan, Xiaoyan Sun, Zhiyong Xia, Bo Lv, Jiaying Yang, Chen Wang
Summary: Ground-level ozone pollution in the North China Plain is a serious environmental issue. The ozone trends in urban and suburban areas are influenced by anthropogenic emissions and meteorological conditions. The study found that urban ozone increased while suburban ozone decreased. The difference in ozone trends is mainly attributed to anthropogenic impacts.
Article
Environmental Sciences
Ateeth Shetty, K. S. Jayappa, P. R. Deepak, R. Ratheesh
Summary: The variation in suspended sediment concentration (SSC) plays a crucial role in understanding circulation and sediment transport in coastal areas. This study examines the SSC along the southern Karnataka coast, India, by comparing the data derived from ocean color monitor (OCM) and in-situ measurements. It was found that high SSC in the study area is influenced by factors such as wave activity, beach erosion, river sediment discharge, port dredging activity, and offshore reef construction. The in-situ data shows that bed load transport dominates in estuaries, while anthropogenic activities impact the SSC concentration in nearshore waters.
JOURNAL OF SEDIMENTARY ENVIRONMENTS
(2022)
Article
Ecology
N. A. Ryazanova, N. V. Polyakova, Z. Kh. Shigapov
Summary: The phenological development of 13 North American maple taxa from 2013 to 2020 was analyzed using data from the South Ural Botanical Garden-Institute. Most phenophases are influenced by weather conditions, except for the beginning and end of flowering and fruit ripening, which are genetically determined. Differences in temperature and precipitation at the beginning of these phases vary greatly among species. The duration of vegetation for North American maples in Ufa ranges from 140 to 172 days, depending on the species.
CONTEMPORARY PROBLEMS OF ECOLOGY
(2022)
Article
Geosciences, Multidisciplinary
R. Adriaens, E. Zeelmaekers, M. Fettweis, E. Vanlierde, J. Vanlede, P. Stassen, J. Elsen, J. Srodon, N. Vandenberghe
Article
Engineering, Environmental
Peihung Chen, Jason C. S. Yu, Michael Fettweis
WATER ENVIRONMENT RESEARCH
(2018)
Article
Oceanography
Marion Chapalain, Romaric Verney, Michael Fettweis, Matthias Jacquet, David Le Berre, Pierre Le Hir
Editorial Material
Oceanography
Erik A. Toorman, Michael Fettweis, Joris Vanlede
Article
Oceanography
Xiaoteng Shen, Erik A. Toorman, Byung Joon Lee, Michael Fettweis
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2019)
Article
Engineering, Civil
Xiaoteng Shen, Erik A. Toorman, Michael Fettweis, Byung Joon Lee, Qing He
COASTAL ENGINEERING
(2019)
Article
Oceanography
Joris Vanlede, Arvid Dujardin, Michael Fettweis, Thomas Van Hoestenberghe, Chantal Martens
Article
Environmental Sciences
B. J. Lee, J. Kim, J. Hur, I. H. Choi, E. A. Toorman, M. Fettweis, J. W. Choi
WATER RESOURCES RESEARCH
(2019)
Article
Oceanography
Michael Fettweis, Rolf Riethmueller, Romaric Verney, Marius Becker, Joan Backers, Matthias Baeye, Marion Chapalain, Styn Claeys, Jan Claus, Tom Cox, Julien Deloffre, Davy Depreiter, Flavie Druine, Goetz Floeser, Steffen Gruenler, Frederic Jourdin, Robert Lafite, Janine Nauw, Bouchra Nechad, Ruediger Roettgers, Aldo Sottolichio, Tom Van Engeland, Wim Vanhaverbeke, Hans Vereecken
PROGRESS IN OCEANOGRAPHY
(2019)
Article
Geosciences, Multidisciplinary
D. S. van Maren, J. Vroom, M. Fettweis, J. Vanlede
Article
Environmental Sciences
Michael Fettweis, Markus Schartau, Xavier Desmit, Byung Joon Lee, Nathan Terseleer, Dimitry Van der Zande, Koen Parmentier, Rolf Riethmueller
Summary: The seasonal variation in concentration of transparent exopolymer particles (TEPs), particulate organic carbon (POC), and particulate organic nitrogen (PON) was studied in the Southern Bight of the North Sea. The study found that biophysical flocculation cannot be explained solely by these parameters and it requires the distinction between a more reactive labile fraction and a less reactive refractory fraction.
JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
(2022)
Review
Engineering, Environmental
Que Nguyen Ho, Michael Fettweis, Kate L. Spencer, Byung Joon Lee
Summary: Flocculation is a critical process for controlling the fate and transport of suspended particulate matter (SPM) in water environments. However, the lack of comprehensive research on the composition and structure of flocs has led to misconceptions about the dynamics of SPM. This review summarizes the current understanding of the heterogeneous composition of flocs and discusses the effects of human activities on floc composition.
Article
Engineering, Environmental
Que Nguyen Ho, Michael Fettweis, Jin Hur, Xavier Desmit, Jae In Kim, Dae Won Jung, Sang Deuk Lee, Sungyun Lee, Yun Young Choi, Byung Joon Lee
Summary: Interactions between microalgae and clay minerals can enhance biologically mediated flocculation, affecting the sedimentation and transportation of suspended particulate matter. Adequate amounts of biopolymers produced by microalgal cells enhance floc-to-floc attachment and flocculation kinetics, while excessive amounts of biopolymers and humic substances increase particle stabilization.
Article
Oceanography
Yuliang Zhu, Mingze Lin, Xiaoteng Shen, Michael Fettweis, Ying Zhang, Jinfeng Zhang, Qilong Bi, Zi Wu
Summary: This study investigates the impact of microalgae on suspended fine-grained sediments through laboratory experiments and modeling. The results demonstrate that the shear rate plays a dominant role in the aggregation process, and the presence of microalgae enhances the aggregation. Different algal species and concentrations have a significant influence on the size distribution and average size of the aggregates. The developed model effectively simulates the aggregates and has the potential to track the properties of microalgae-associated sediment flocs.
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
(2022)
Article
Engineering, Environmental
Xiaoteng Shen, Hong Huo, Ying Zhang, Yuliang Zhu, Michael Fettweis, Qilong Bi, Byung Joon Lee, Jerome P. -Y. Maa, Qiqing Chen
Summary: This study examines the effects of different organic matter on the flocculation of anthropogenic microplastics and finds that cationic and neutral organic matter have a more significant promoting effect on the growth of microplastic flocs.