Výsledky vyhledávání - "Yuko Takeyama"

Akademický článek

Development of X-Band Geophysical Model Function for Sea Surface Wind Speed Retrieval with ASNARO-2

Publikováno v: Atmosphere, Vol 15, Iss 6, p 686 (2024)

In the present study, a new geophysical model function (GMF) is developed for the X-band synthetic aperture radar (SAR) on board the Advanced Satellite with New System Architecture for Observation-2 (ASNARO-2) to retrieve accurate offshore wind speed

Externí odkaz: https://doaj.org/article/d3fd92c05b8a4c41b7c4e42d710db615

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Akademický článek

Accuracy Comparison of Coastal Wind Speeds between WRF Simulations Using Different Input Datasets in Japan

Autor: Takeshi Misaki, Teruo Ohsawa, Mizuki Konagaya, Susumu Shimada, Yuko Takeyama, Satoshi Nakamura

Publikováno v: Energies, Vol 12, Iss 14, p 2754 (2019)

In order to improve the accuracy of the wind speed simulated by a mesoscale model for the wind resource assessment in coastal areas, this study evaluated the effectiveness of using the Japan Meteorological Agency (JMA)’s latest and finest (2 km ×

Externí odkaz: https://doaj.org/article/3078a5a15a6747b6b2fb2f2a66441fb4

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Akademický článek

Estimation of Offshore Wind Resources in Coastal Waters off Shirahama Using ENVISAT ASAR Images

Autor: Yuko Takeyama, Teruo Ohsawa, Tomohiro Yamashita, Katsutoshi Kozai, Yasunori Muto, Yasuyuki Baba, Koji Kawaguchi

Publikováno v: Remote Sensing, Vol 5, Iss 6, Pp 2883-2897 (2013)

Offshore wind resource maps for the coastal waters off Shirahama, Japan were made based on 104 images of the Advanced Synthetic Aperture Radar (ASAR) onboard the ENVISAT satellite. Wind speed fields were derived from the SAR images with the geophysic

Externí odkaz: https://doaj.org/article/642513fbb8604107999f169ae78a9adc

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Akademický článek

Comparison of Geophysical Model Functions for SAR Wind Speed Retrieval in Japanese Coastal Waters

Autor: Merete Badger, Charlotte Bay Hasager, Katsutoshi Kozai, Yuko Takeyama, Teruo Ohsawa

Publikováno v: Remote Sensing, Vol 5, Iss 4, Pp 1956-1973 (2013)

This work discusses the accuracies of geophysical model functions (GMFs) for retrieval of sea surface wind speed from satellite-borne Synthetic Aperture Radar (SAR) images in Japanese coastal waters characterized by short fetches and variable atmosph

Externí odkaz: https://doaj.org/article/31da3422a39c49dd9f491f1ba5f98fca

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Akademický článek

Investigation of the Fetch Effect Using Onshore and Offshore Vertical LiDAR Devices

Autor: Susumu Shimada, Yuko Takeyama, Tetsuya Kogaki, Teruo Ohsawa, Satoshi Nakamura

Publikováno v: Remote Sensing, Vol 10, Iss 9, p 1408 (2018)

An offshore wind measurement campaign using vertical light detection and ranging (LiDAR) devices was conducted at the Hazaki Oceanographic Research Station (HORS) as part of an investigation into determining the optimal distance from the coast for a

Externí odkaz: https://doaj.org/article/5c49011fe7cc461db609ac7479bbdf7e

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