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Akademický článek

Assessment of climate change impacts on river flooding due to Typhoon Hagibis in 2019 using nonglobal warming experiments

Autor: Yasuo Nihei, Koyo Oota, Hiroaki Kawase, Takahiro Sayama, Eiichi Nakakita, Takehiko Ito, Jin Kashiwada

Publikováno v: Journal of Flood Risk Management, Vol 16, Iss 3, Pp n/a-n/a (2023)

Abstract In this study, a series of numerical analyses of meteorology, runoff, river flow, and inundation were performed to quantitatively evaluate the effects of historical warming on precipitation, discharge, water level, and flood inundation. This

Externí odkaz: https://doaj.org/article/bf8c7739fc274e3b80ace93cbfd570ad

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Akademický článek

Subgrid Model of Water Storage in Paddy Fields for a Grid-Based Distributed Rainfall–Runoff Model and Assessment of Paddy Field Dam Effects on Flood Control

Autor: Yasuo Nihei, Yuki Ogata, Ryosuke Yoshimura, Takehiko Ito, Jin Kashiwada

Publikováno v: Water, Vol 16, Iss 2, p 255 (2024)

Paddy field dams are basin-level flood control measures that promote rainwater storage; however, a general runoff model cannot adequately describe the water balance in paddy fields. This study develops a subgrid model for evaluating paddy water balan

Externí odkaz: https://doaj.org/article/b1fcf69e68dd4dcfb7bac75c0df98f68

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Akademický článek

Subgrid Model of Fluid Force Acting on Buildings for Three-Dimensional Flood Inundation Simulations

Autor: Riku Kubota, Jin Kashiwada, Yasuo Nihei

Publikováno v: Water, Vol 15, Iss 17, p 3166 (2023)

In recent years, large-scale heavy rainfall disasters have occurred frequently in several parts of the world. Therefore, a quantitative approach to understanding how buildings are damaged during floods is necessary to develop appropriate flood-resist

Externí odkaz: https://doaj.org/article/2aba8ef382324f27baa5ce9615b4a6ba

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Akademický článek

Rapid Sampling of Suspended and Floating Microplastics in Challenging Riverine and Coastal Water Environments in Japan

Autor: Amila Abeynayaka, Fujio Kojima, Yoshikazu Miwa, Nobuhiro Ito, Yasuo Nihei, Yu Fukunaga, Yuga Yashima, Norihiro Itsubo

Publikováno v: Water, Vol 12, Iss 7, p 1903 (2020)

Environmental sampling plays an important role in quantitative and qualitative investigation of plastic pollution. Rivers are a major source, carrying plastic litter into the oceans. Microplastic sampling in riverine and coastal environments is often

Externí odkaz: https://doaj.org/article/291c0e024fa142cb9cc723e8a6028a3a

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Akademický článek

High-Resolution Mapping of Japanese Microplastic and Macroplastic Emissions from the Land into the Sea

Autor: Yasuo Nihei, Takushi Yoshida, Tomoya Kataoka, Riku Ogata

Publikováno v: Water, Vol 12, Iss 4, p 951 (2020)

Plastic debris presents a serious hazard to marine ecosystems worldwide. In this study, we developed a method to evaluate high-resolution maps of plastic emissions from the land into the sea offshore of Japan without using mismanaged plastic waste. P

Externí odkaz: https://doaj.org/article/9bf055272b3d4d61a9d3ede7840c541c

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Akademický článek

Resistance of Laminar Drain Reinforcement Levee against Overflow Erosion

Autor: Yuki Kurakami, Yasuo Nihei

Publikováno v: Water, Vol 11, Iss 9, p 1768 (2019)

As a method for reinforcing against overflow erosion and infiltration, this study investigated a laminar drain reinforcement (LDR) levee, in which the drain layers are set on the back slope and connected to concrete panels using geogrid layers. We ex

Externí odkaz: https://doaj.org/article/2d504e303654485a98c23015297fd9b1

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