Faculty Profiles - CHIKAMORI Hidetaka

MISC - CHIKAMORI Hidetaka

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Bias correction for climate prediction information based on metastatistical extreme value distribution

崎川和起, 近森秀高, 工藤亮治, 丸尾啓太

農業農村工学会大会講演会講演要旨集(CD-ROM) 2023 2023

Criteria for Selecting Probability Distribution in the Metastatistical Approach

丸尾啓太, 近森秀高, 工藤亮治

応用水文 ( 35 ) 2023

Simulation of Senjo-Kosuitai Using Spatio-Temporal Statistical Model

丸尾啓太, 近森秀高, 工藤亮治

農業農村工学会大会講演会講演要旨集(CD-ROM) 2023 2023

Study on Influence of Sample Size for Assessment of Climate Change Impact on Extreme Events

工藤亮治, 近森秀高

農業農村工学会大会講演会講演要旨集(CD-ROM) 2023 2023

農業水利施設による流水制御や流域間導水を考慮した広域水循環モデルの構築

後藤晏希, 工藤亮治, 近森秀高

農業農村工学会誌 90 ( 8 ) 2022

Statistical Evaluation of Outliers in Annual Maximum Daily Rainfall Records

CHIKAMORI Hidetaka, KUDO Ryoji

Applied Hydrology 33 ( 33 ) 123 - 132 2021.3

メタ統計的極値分布の適用による確率日雨量の推定

丸尾啓太, 近森秀高, 工藤亮治

日本水文科学会学術大会発表要旨集 2021 2021

農業農村工学分野におけるJABEE認定プログラムの将来－少子化時代におけるJABEE認定プログラムの存続－

近森秀高

水土の知 88 ( 4 ) 8 - 11 2020.4

Regional Characteristics of Secular Change in Daily Rainfall Intensity-Frequency Regime in Western Japan

近森秀高, 工藤亮治, 福田温巳

農業農村工学会大会講演会講演要旨集(CD-ROM) 2020 2020

Development of Real-time Flood Forecasting System for Dam Inflow and Dam Discharge Considering Flood Dam Operation

小野航暉, 工藤亮治, 近森秀高

応用水文 ( 31 ) 2019

Statistical Evaluation of Outliers in Extreme Rainfall Data by Regional Frequency Analysis

近森秀高, 工藤亮治, 近藤祐平

農業農村工学会大会講演会講演要旨集(CD-ROM) 2019 2019

Frequency Analysis of Heavy Rain Events Based on the Compound Poisson Model Considering Their Causes

津野加奈子, 近森秀高, 工藤亮治

農業農村工学会大会講演会講演要旨集(CD-ROM) 2019 2019

地域頻度解析から見た年最大日雨量の「外れ値」の統計的評価

近森秀高, 工藤亮治, 近藤祐平

水文・水資源学会研究発表会要旨集(Web) 2019 2019

極値降水データの「外れ値」の統計的評価

近森秀高, 工藤亮治, 三宅佑季

農業農村工学会大会講演会講演要旨集(CD-ROM) 2018 2018

地域別に見た既往最大洪水比流量曲線の統計的評価

刈谷成希, 近森秀高, 工藤亮治

農業農村工学会大会講演会講演要旨集(CD-ROM) 2018 2018

安定同位体比等を用いたベトナム中部沿岸農業地域における地下水窒素汚染機構の解明

前田守弘, 木場遥香, 兵藤不二夫, 近森秀高, 井上大介

日本水環境学会シンポジウム講演集 20th 219‐220 2017.9

ベトナム中部沿岸農業地域における地下水窒素汚染機構の解明

木場遥香, 前田守弘, 兵藤不二夫, 井上大介, 近森秀高

日本土壌肥料学会講演要旨集 63 14 2017.9

Long-Term Change in Precipitation Characteristics due to Global Warming

79 ( 12 ) 909 - 912 2011.12

Flood Envelope Curves for the Setouchi Region Derived by Spatial Distribution Analysis of Radar Rainfall

CHIKAMORI Hidetaka, NAGAI Akihiro

Irrigation, Drainage and Rural Engineering journal 79 ( 2 ) 125 - 134 2011.4

P17. Difference in runoff characteristics between cypress and broadleaf forests, and well and poorly maintained cypress forests(Presented at the Meeting of the Union in March 2007)

CHIKAMORI Hidetaka, UEOKA Takayuki

28 ( 3 ) 290 - 291 2007

水文・水資源学会総会2006年度研究発表会の報告

近森秀高

水文・水資源学会誌 = JOURNAL OF JAPAN SOCIETY OF HYDROLOGY & WATER RESOURCES 19 ( 6 ) 512 - 514 2006.11

Long-Term Change in Pattern of Daily Rainfall in Japan

Hidetaka Chikamori, Akihiro Nagai

Proceedings of International Symposium on Managing Water Supply for Growing Demand, Bangkok, 16-20 October 2006 2006

Flood Runoff Analysis using Width Function

Hidetaka Chikamori, Akihiro Nagai

International Symposium on Ecohydology: Proceedings 2005

Rainfall-Runoff Analysis of Flood Caused by Typhoon RUSA in 2002 in Gangneung Namdae River Basin of Korea, Journal of Natural Disaster Science

Chikamori, Hidetaka

Journal of Natural Disaster Science 2005

表面流出に及ぼす法面被覆植物の影響

永井昭博, 足立忠司, 沖陽子, 近森秀高

農業土木会論文集 2005

Real-Time Flood Forecasting Using Variable Infiltration Capacity Model

LI Hongyu, CHIKAMORI Hidetaka, NAGAI Akihiro

Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering ( 238 ) 17 - 23 2005

Relation between Response Time Scale and Time of Concentration

17 44 - 53 2004

浸入域変動流出モデルによる実時間洪水流出予測

李宏宇, 近森秀高, 永井明博

応用水文 2004

Secular Change in Characteristics of Daily Rainfall - Case study for Okayama City- Reviewed

Hidetaka Chikamori, Akihiro Nagai

Water Science 273 ( 4 ) 1 - 17 2003.10

2002年8月31日〜9月1日の台風15号による韓国の豪雨災害

牛山素行, 宝馨, 立川康人, 近森秀高

自然災害科学 2003

Long-Term Changes in Daily Rainfall Characteristics at Okayama

Hidetaka Chikamori, Akihiro Nagai

Proceedings of International Conference on Managing Water Resources under Climatic Extremes and Natural Disasters, Sigatoka, Fiji, 27-28 October 2003 2003

Water Balance Analysis of Flood Caused by Typhoon RUSA in Gangneung Namdae River Basin

Chikamori, Hidetaka

Korea-Japan Joint Seminar on 2002 Flood Disaster by RUSA, Korea Water Resources Corporation 2003

Long-term Change in Daily Rainfall Characteristics at Okayama Reviewed

Hidetaka Chikamori, Akihiro Nagai

JOURNAL OF JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES 15 ( 5 ) 513 - 521 2002.9

Authorship：Lead author Language：Japanese Publisher：THE JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES

Rainfall characteristics is said to be changed in recent decades due to global climate change. In order to find the changes, a statistical analysis was performed for 100-year (1898-1997) daily rainfall record at Okayama Meteorological Observatory. For this purpose, a storm is defined as a succession of rainy days, and we examined frequency and distirbution of total rainfall and duration of a storm, storm inter-arrival time and interval between storms. The result of frequency analysis shows that frequency of 100-year storm rainfall during 1899-1931 becomes almost thirteen times larger during 1965-1997. Besides frequency of 100-year interval between storms during 1899-1931 becomes five times larger during 1965-1997. The change in frequency of these hydrological characteristics shows us necessity to reconsider magnitude of design floods and/or droughts for constructing hydraulic structures.

DOI： 10.3178/jjshwr.15.513

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局所線形近似法による洪水実時間予測

近森秀高, 永井明博

水文・水資源学会誌 2002

黒木ダムにおける洪水実時間予測

近森秀高, 永井明博

応用水文 2001

低平地における洪水位の実時間予測に関する研究

近森秀高

農業土木学会誌第68巻,第2号,pp.185-187 2000

Real-time Forecasting of Flood Water Level in Low-lying Area

Chikamori, Hidetaka

Rural and Envinronmental Engineering No.38, pp.71-72 2000

Fundamental Study on Application of Geographic Information System to Construction of Rainfall‐Runoff Model of Urbanized Area

( 40 ) 137 - 144 1997.4

Real-Time Forecasting of Flood Water Level at a Drainage Pump Station in Farm Land : Case study in Kameda-go basin

CHIKAMORI Hidetaka, KADOYA Mutsumi

Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering 65 ( 187 ) 77 - 83 1997.2

Language：Japanese Publisher：The Japanese Society of Irrigation, Drainage and Rural Engineering

A simple real-time system, called System I, for forecasting flood water level at a retardation pond of a pump station was proposed in the previous papers. The flood model called Model I in this system is composed of two runoff tanks and one retardation tank, which are operated by the help of a Kalman filtering technique. The Model I has no function of infiltration loss of precipitation and the effective rainfall is estimated by modifying water depths in the tanks during the filtering process. The applicability of the System I was verified enough in the Ogura basin located in the south of Kyoto.<BR>However, no good results were expected by application of the System I to the Kameda-go basin, which is located in the south to Niigata and mainly occupied by rural areas under fixed runoff coefficients of the runoff tanks.<BR>In the present paper, we constructed a modified version of the runoff model, called the Model II; one of the runoff tanks of the Model II expressing the discharge from rural area has an infiltration hole and a non-linear runoff hole at a height from its bottom for expressing the relation between the discharge and the retention of rainfall. The flood forecasting system in which the Model II is operated by the help of a Kalman filtering technique is called System II. This system was applied to forecasting flood water level of the Toyanogata Lagoon in the Kameda-go basin, and it was clarified that the sufficient accuracy of the peak flood water level can be obtained by this system.

DOI： 10.11408/jsidre1965.1997.77

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Other Link： https://jlc.jst.go.jp/DN/JALC/00379157190?from=CiNii

A Real-Time Forecasting System of Flood Water Level at a Drainage Pump Station

36,255-268 ( 17 ) 80 - 87 1997