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Paolo Viotti, Giuseppe Sappa, Fabio Tatti and Francesca Andrei
Zerovalent iron nanoparticles (nZVI) are becoming one of the most widely recommended nanomaterials for soil and groundwater remediation. However, when nZVI are injected in the groundwater flow, the behavior (mobility, dispersion, distribution) is practic...
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Henning Teickner, Jan R. K. Lehmann, Patrick Guth, Florian Meinking and David Ott
In ecological research, a key interest is to explore movement patterns of individual organisms across different spatial scales as one driver of biotic interactions. While various methods exist to detect and record the presence and movements of individual...
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Alejandro Del Estal Herrero, Mustafa Percin, Matej Karasek and Bas Van Oudheusden
Flow visualizations have been performed on a free flying, flapping-wing micro air vehicle (MAV), using a large-scale particle image velocimetry (PIV) approach. The PIV method involves the use of helium-filled soap bubbles (HFSB) as tracer particles. HFSB...
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Liah X. Coggins, Jesse Sounness, Lianpeng Zheng, Marco Ghisalberti and Anas Ghadouani
Wastewater infrastructure is expensive to build and maintain, and there is a need to focus on improving and modernising existing infrastructure before large capital investments are made to service future population needs. Waste stabilisation ponds (WSPs)...
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Chen Yu, Chao Li, Tao Wang, Min Zhang and Jun Xu
Shallow lakes are highly vulnerable to damages caused by human activities and warming trends. To assess whether and how community structures of phytoplankton and nitrogen uptake respond to the combined effects of elevated temperature and eutrophication, ...
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Shujun Zhao, Yuanlai Cui, Yufeng Luo and Peifeng Li
Small vegetated drainage ditches play an important role in water and nutrient removal, but may cause water blocking problems. The aim of this study was to investigate vegetated drainage ditches? hydraulic and wetland hydraulic characters. Field experimen...
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Shang-Shu Shih, Yun-Qi Zeng, Hong-Yuan Lee, Marinus L. Otte, Wei-Ta Fang
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The treatment efficiency of a wetland constructed for nutrient removal depends strongly on the flow patterns and residence times of the wetland. In this study, a tracer experiment was performed to estimate the residence time distribution and the hydrauli...
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Andrew Benson, Matthew Zane, Timothy E. Becker, Ate Visser, Stephanie H. Uriostegui, Elizabeth DeRubeis, Jean E. Moran, Bradley K. Esser and Jordan F. Clark
Gas exchange across the air-water interface is a critical process that maintains adequate dissolved oxygen (DO) in the water column to support life. Oxygen reaeration rates can be accurately measured using deliberate gas tracers, like sulfur hexafluoride...
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