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Tian Xu and Qingnian Zhang
To analyze the changing characteristics of ship traffic flow in wind farms water area, and to improve the accuracy of ship traffic flow prediction, a Gated Recurrent Unit (GRU) of a Recurrent Neural Network (RNN) was established to analyze multiple traff...
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Barbara Lednicka, Maria Kubacka, Wlodzimierz Freda, Kamila Haule, Dariusz Ficek and Maciej Sokólski
The Pomeranian lakes in Northern Poland and the nearby coastal waters of the Baltic Sea belong to optically complex water bodies characterised by high eutrophication levels. These water types require a local approach when developing bio-optical algorithm...
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Hui Deng, Zhihong Zhang, Wenbin Yi and Weixue Xia
A ship advancing in restricted waters may cause a change in the surrounding velocity field, which in turn results in the hydrodynamic pressure field according to the variations in the ship speed. Accurate prediction of ship hydrodynamic pressure fields i...
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Jesús A. Aguilar-Maldonado, Eduardo Santamaría-del-Ángel, Adriana González-Silvera, Omar D. Cervantes-Rosas, Lus M. López, Angélica Gutiérrez-Magness, Sergio Cerdeira-Estrada and María-Teresa Sebastiá-Frasquet
Phytoplankton blooms are sporadic events in time and are isolated in space. This complex phenomenon is produced by a variety of both natural and anthropogenic causes. Early detection of this phenomenon, as well as the classification of a water body under...
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Jesús A. Aguilar-Maldonado, Eduardo Santamaría-del-Ángel, Adriana González-Silvera, Omar D. Cervantes-Rosas, Lus M. López, Angélica Gutiérrez-Magness, Sergio Cerdeira-Estrada and María-Teresa Sebastiá-Frasquet
Phytoplankton blooms are sporadic events in time and are isolated in space. This complex phenomenon is produced by a variety of both natural and anthropogenic causes. Early detection of this phenomenon, as well as the classification of a water body under...
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Meng Yu, Shaojie Han, Tengfei Wang and Haiyan Wang
In order to monitor traffic in congested waters, permanent video stations are now commonly used on interior riverbank bases. It is frequently challenging to identify ships properly and effectively in such images because of the intricate backdrop scenery ...
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Kyung Hwa Cho, Yakov A. Pachepsky, David M. Oliver, Richard W. Muirhead, ... Daniel R. Shelton
Pág. 38 - 56
Natural waters serve as habitat for a wide range of microorganisms, a proportion of which may be derived from fecal material. A number of watershed models have been developed to understand and predict the fate and transport of fecal microorganisms within...
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Ana Barroso, Teresa Valente, Amélia Paula Marinho Reis and Isabel Margarida H. R. Antunes
In natural waters, total dissolved solids (TDS) are usually estimated from electrical conductivity (EC) by applying a conversion factor (f). However, defining this conversion factor for mining influenced water is more complex since this type of water is ...
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Katalin Blix, Károly Pálffy, Viktor R. Tóth and Torbjørn Eltoft
The Ocean and Land Color Instrument (OLCI) onboard Sentinel 3A satellite was launched in February 2016. Level 2 (L2) products have been available for the public since July 2017. OLCI provides the possibility to monitor aquatic environments on 300 m spati...
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Andrei Kholmogorov, Nadezhda Syrbu and Renat Shakirov
Within the framework of the expedition research ?Complex studies of the Antarctic marine ecosystem in the areas of the transport and interaction of water masses in the Atlantic sector of Antarctica, the Scotia Sea and the Drake Strait? (cruise 87 of the ...
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Anisha Bhattacharyya, Lei Liu, Kenneth Lee and Jiahe Miao
Oily wastewater is generated from various sources within the petrochemical industry, including extraction, refining and processing, storage, and transportation. Over the years, large volumes of oily wastewater from this industry have made their way into ...
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Shengshi Cao, Pingyi Fan, Tao Yan, Cheng Xie, Jian Deng, Feng Xu and Yaqing Shu
Ship path planning is crucial for the shipping industry, especially for the development of autonomous ships. Many algorithms have been developed over the last few decades to solve the ship path planning problem. However, it is still challenging for ship ...
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Roger Attwater and Chris Derry
Pressures on urban, peri-urban and rural water and agricultural systems are increasingly complex with multiple interacting stresses and impacts. As a way of addressing these issues there has been increasing consideration as to how to build and manage res...
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Eric E. Grossman, Babak Tehranirad, Cornelis M. Nederhoff, Sean C. Crosby, Andrew W. Stevens, Nathan R. Van Arendonk, Daniel J. Nowacki, Li H. Erikson and Patrick L. Barnard
Extreme water-level recurrence estimates for a complex estuary using a high-resolution 2D model and a new method for estimating remotely generated sea level anomalies (SLAs) at the model boundary have been developed. The hydrodynamic model accurately res...
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Yongjun Chen, Wenhao Wu, Pengfei Jiang and Chengpeng Wan
The path planning of unmanned ships in complex waters using heuristics usually suffers from problems such as being prone to fall into the local optimum, slow convergence, and instability in global path planning. Given this, this paper proposes a Self-Ada...
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Andy Zdon, Keith Rainville, Nicholas Buckmaster, Steve Parmenter and Adam H. Love
While the desert ecosystem is highly dependent on the water resources that sustain it, the Fish Slough spring complex is an arid, spring-dependent wetland undergoing a multidecadal decline in spring outflow. This evaluation updates the source water foren...
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Juan M. Restrepo, Jorge M. Ramírez and Shankar Venkataramani
We introduce a model for the dynamics of oil in suspension, appropriate for shallow waters, including the nearshore environment. This model is capable of oil mass conservation and does so by evolving the oil on the sea surface as well as the oil in the s...
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Natalie Orlowski, Florian Lauer, Philipp Kraft, Hans-Georg Frede and Lutz Breuer
Knowledge about water flow paths is essential for understanding biogeochemical fluxes in developed agricultural landscapes, i.e., the input of nutrients into surface waters, soil erosion, or pesticide fate. Several methods are available to study rainfall...
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Stephen E. Silliman, Brian I. Borum, Moussa Boukari, Nicaise Yalo, Salifou Orou-Pete, Daniel McInnis, Chrstyn Fertenbaugh and Andrew D. Mullen
The largest city in Benin, West Africa (Cotonou), is reliant upon groundwater for its public water supply. This groundwater is derived from the Godomey well field which is located approximately 5 Km north of the coast of the Atlantic Ocean and in close p...
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Kristina Gartsiyanova, Stefan Genchev and Atanas Kitev
The intensive economic activity along the Bulgarian Black Sea coast is causing serious changes in the quality of the river water. In view of the topicality of the problem, the main goal of this article is to emphasize the water quality as a necessary key...
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