CiNii Articles - Downscaling

1

ダウンスケーリング解像度とアンサンブル実験数が降雨量変化倍率推計に及ぼす影響の一考察 [in Japanese]

影山壮太郎 , 渡部哲史 , 知花武佳

地球環境シンポジウム講演集 28, 65-68, 2020-09
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Integrative Economic Evaluation of an Infrastructure Project as a Measure for Climate Change Adaptation: A Case Study of Irrigation Development in Kenya

AbstractAs climate change adaptation is becoming a recognized policy issue, the need is growing for quantitative economic evaluation of adaptation-related public investment, particularly in the contex …

Working Paper = Working Paper (206), 1-41, 2020-03-19

IR DOI
3

Dynamic Downscaling Technique to Understand Local Precipitation Change Under Global Warming [in Japanese]

牛山朋來 , 伊藤弘之

土木技術資料 = Civil engineering journal : 土木技術の総合情報誌 62(2), 8-11, 2020-02
4

Benefits of high-resolution downscaling experiments for assessing strong wind hazard at local scales in complex terrain: a case study of Typhoon Songda (2004)

Takemi Tetsuya , Ito Rui

… This study investigated the representation of surface winds in complex terrain during the passage of Typhoon Sondga (2004) in downscaling simulations with the horizontal grid spacing of 200 m. …

Progress in Earth and Planetary Science (7), 2020-01-09

IR
5

Towards Practical Training Framework for Image Super-resolution

MAEDA Shunta

… This article is intended to provide an explanatory review on the paper, "Unpaired Image Super-Resolution using Pseudo-Supervision," which we published in CVPR 2020 (IEEE/CVF Conference on Computer Vision and Pattern Recognition).In most studies on learning-based image super-resolution (SR), the paired training dataset is created by downscaling high-resolution (HR) images with a predetermined operation (e.g., bicubic). …

NIHON GAZO GAKKAISHI (Journal of the Imaging Society of Japan) 59(6), 601-606, 2020

J-STAGE
6

Bias Correction for Climate Model Output (1) Method Characteristics and Classification [in Japanese]

WATANABE Satoshi

… Before reviewing earlier studies related to bias correction and summarizing information to choose a method, this report presents a description of the relation between bias correction and statistical downscaling, which is often applied for post-processing of climate model output values. …

JOURNAL OF JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES 33(6), 243-262, 2020

J-STAGE
7

Bias correction for spatially interpolated daily mean air temperature during winter in eastern Hokkaido using multimodal machine learning

MURAKAMI Keach , HIROTA Tomoyoshi , SHIMODA Seiji , YAZAKI Tomotsugu

Interactions between boundary layer wind and topography form non-uniform air temperature distributions in cold and snow-covered regions. Because of this heterogeneity, spatially interpolated air tempe …

Journal of Agricultural Meteorology 76(4), 164-173, 2020

J-STAGE
8

COMPARISON OF STORM SURGES OF TYPHOON 1915 FOR VARIOUS METEOROLOGICAL MODELS [in Japanese]

IWAMOTO Takumu , KAWAI Hiroyasu

… The downscaling of MSM with WRF improved the wind field alone significantly. …

Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 76(2), I_989-I_994, 2020

J-STAGE
9

A risk assessment of forest snow damage using dynamical downscaling data [in Japanese]

Katsushima Takafumi , Nanko Kazuki , Yasuda Yukio , Takahashi Masayoshi , Suzuki Satoru

[in Japanese]

The Japanese Forest Society Congress 131(0), 178, 2020

J-STAGE
10

Estimation of extreme weather event using AI and numerical simulation [in Japanese]

YOSHIKANE Takao

… We found that the feature of estimated heavy precipitation (99 percentile) is well corresponded to that of observation (AMeDAS) and the combination of machine learning and the cumulative distribution function method is capable of bias correction and downscaling effectively. …

Proceedings of the Annual Conference of JSAI JSAI2020(0), 4Rin128-4Rin128, 2020

J-STAGE
11

Estimation of Climate Change Effects for Drought Risk in the Yodo River Basin [in Japanese]

ITO Masashi , SUGANO Yutaka , OYAGI Yutaka , NISHIZAWA Ryosuke , KAWASE Hiroaki , SASAI Takahiro , SUGIMOTO Shiori , KAWASAKI Masaki , NAKAKITA Eiichi

… The drought-risk effects of climate change are estimated using 5-km regional climate ensemble experiments, which are dynamical downscaling datasets of "Database for Policy Decision-Making for Future Climate Change, d4PDF" having 20-km resolution large ensemble climate simulations. …

JOURNAL OF JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES 33(3), 83-97, 2020

J-STAGE
12

Evaluation of Two Bias-Correction Methods for Gridded Climate Scenarios over Japan

Ishizaki Noriko N. , Nishimori Motoki , Iizumi Toshichika , Shiogama Hideo , Hanasaki Naota , Takahashi Kiyoshi

… Bias corrected climate scenarios over Japan were developed using two distinct methods, namely, the cumulative distribution function-based downscaling method (CDFDM) and Gaussian-type Scaling approach (GSA). …

SOLA 16(0), 80-85, 2020

J-STAGE
13

Influence of Meteorological Variables by Weather Generator to the Estimation of Biomass Carbon and Water Balance using Process-based Ecosystem Model [in Japanese]

Miyauchi Tatsuya , Machimura Takashi , Furubayashi Tomoya , Kondo Shogo

… Meteorological conditions as key driving forces of ecosystem processes are variable both spatially and temporally, therefore require appropriate downscaling from the coarser resolution data in use with ecosystem models. …

Eco-Engineering 32(2), 23-31, 2020

J-STAGE
14

Future Changes of Tropical Cyclones in the Midlatitudes in 4-km-mesh Downscaling Experiments from Large-Ensemble Simulations

Kanada Sachie , Tsuboki Kazuhisa , Takayabu Izuru

… To understand the impacts of global warming on tropical cyclones (TCs) in midlatitude regions, dynamical downscaling experiments were performed using a 4-km-mesh regional model with a one-dimensional slab ocean model. … Around 100 downscaling experiments for midlatitude TCs that traveled over the sea east of Japan were forced by large-ensemble climate change simulations of both current and warming climates. …

SOLA 16(0), 57-63, 2020

J-STAGE
15

A POPULATION PROJECTION FOR MUNICIPALITIES IN JAPAN CONSIDERING THE SCENARIOS OF SHARED SOCIOECONOMIC PATHWAYS [in Japanese]

中野一慶 , 吉田護 , 多々納裕一

This paper proposes a population projection method for municipalities in Japan consistent with the socioeconomic scenarios of the Shared Socioeconomic Pathways (SSPs), which is widely used in …

Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management) 75(6), I_219-I_229, 2020

J-STAGE
16

Reproducibility of an extremely high temperature event in d4PDF regional model experiment [in Japanese]

Nishi Akifumi , Kusaka Hiroyuki

極端高温は熱中症の原因となるため，人間の健康に悪影響を与えることがある．また，極端高温は農作物の生育にも悪影響を与える．限られた地域での極端高温現象の発生には，大規模場の異常気象が背景としてあるが，フェーンやヒートアイランドのようなメソからローカルスケールの小さなスケールの現象の影響も大きい．近年，将来の極端気象を予測・解析する上でdatab …

Proceedings of the General Meeting of the Association of Japanese Geographers 2020s(0), 133, 2020

J-STAGE
17

The Outline of 5km-grid Dynamical Downscaling Dataset, SI-CAT DDS5TK [in Japanese]

山崎剛 , 佐々井崇博 , 川瀬宏明 , 杉本志織 , 大楽浩司 , 伊東瑠衣 , 佐々木秀孝 , 藤田実季子

シミュレーション = Journal of the Japan Society for Simulation Technology 38(3), 145-149, 2019-09
18

Pixel Art Filter [in Japanese]

高橋龍ノ介 , 井上，光平 , 原，健二

… Experimental results show that the generated pixel art images preserve the features of original images, and have better image quality compared with the images reduced by conventional image downscaling methods. …

映像情報メディア学会年次大会予稿集, 2019-08-30

IR
19

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

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

… Next, dynamical downscaling simulations were performed using the weather research and forecasting model (WRF) forced by the three datasets above, and their results were compared. … As compared to the GPVs, it was found that the WRF dynamical downscaling simulation using them as input can improve the accuracy of the coastal wind speeds. …

Energies 12(14), 2754, 2019-07

IR
20

Dynamical Downscaling Simulation and Future Projection of Extreme Precipitation Activities in Taiwan during the Mei-Yu Seasons

HUANG Wan-Ru , HUANG Po-Han , CHANG Ya-Hui , CHENG Chao-Tzuen , HSU Huang-Hsiung , TU Chia-Ying , KITOH Akio

Journal of the Meteorological Society of Japan 97(2), 481-499, 2019-04

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