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Jung-Hee Yoo, Patrick Schrijvers, Arjen Koop and Jong-Chun Park
This study entailed the estimation of wind loads performed using computational fluid dynamics (CFD) simulations for four typical offshore vessels and for a Floating Production, Storage, and Offloading (FPSO) and shuttle tanker in a side-by-side configura...
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Leo Koop, Mirjam Snellen and Dick G. Simons
In this paper, object-based image analysis classification methods are developed that do not rely on backscatter in order to classify the seafloor. Instead, these methods make use of bathymetry, bathymetric derivatives, and grab samples for classification...
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Leo Koop, Karin J. van der Reijden, Sebastiaan Mestdagh, Tom Ysebaert, Laura L. Govers, Han Olff, Peter M. J. Herman, Mirjam Snellen and Dick G. Simons
Backscatter data from multibeam echosounders are commonly used to classify seafloor sediment composition. Previously, it was found that the survey azimuth affects backscatter when small organized seafloor structures, such as sand ripples, are present. Th...
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Alireza R. Amiri-Simkooei, Leo Koop, Karin J. van der Reijden, Mirjam Snellen and Dick G. Simons
Seafloor characterization using multibeam echosounder (MBES) backscatter data is an active field of research. The observed backscatter curve (OBC) is used in an inversion algorithm with available physics-based models to determine the seafloor geoacoustic...
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Leo Koop, Alireza Amiri-Simkooei, Karin J. van der Reijden, Sarah O?Flynn, Mirjam Snellen and Dick G. Simons
High resolution maps of sandy seafloors are valuable to understand seafloor dynamics, plan engineering projects, and create detailed benthic habitat maps. This paper presents multibeam echosounder backscatter classification results of the Brown Bank area...
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Dionysios Nikolopoulos, Henk-Jan van Alphen, Dirk Vries, Luc Palmen, Stef Koop, Peter van Thienen, Gertjan Medema and Christos Makropoulos
The water sector is, currently and for the foreseeable future, challenged by rising levels of uncertainty in demand and availability of water, in a context of aging infrastructure and limited investment. In order to support strategic planning, water comp...
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Marketa ?teflová, Steven Koop, Richard Elelman, Jordi Vinyoles and Kees Van Leeuwen
The world will experience an estimated 40% freshwater supply shortage by 2030, converting water scarcity into one of the principal global challenges that modern society faces. Urban water reuse is recognized as a promising and necessary measure to allevi...
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Hyowon Kim, Jaewoo Son, Seockheon Lee, Stef Koop, Kees Van Leeuwen, Young June Choi and Jeryang Park
Many cities are facing various water-related challenges caused by rapid urbanization and climate change. Moreover, a megacity may pose a greater risk due to its scale and complexity for coping with impending challenges. Infrastructure and governance also...
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Andreza Aparecida Palma, Diego Ferreira
Pág. 39 - 63
O objetivo do presente trabalho é estimar a NAIRU (non-accelerating inflation rate of unemployment) para o Brasil utilizando um modelo bivariado de componentes não observados conforme proposto por Chan, Koop e Potter (2015), que diferencia-se da literatu...
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Clapham, David; Demel, Petra; Elfstrand, Malin; Koop, Hans-Ulrich; Sabal
Pág. 151 - 160
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