Search Results 1-20 of 1843

  • Projecting population distribution under depopulation conditions in Japan : scenario analysis for future socio-ecological systems

    Hori Keiko , Saito Osamu , Hashimoto Shizuka , Matsui Takanori , Akter Rumana , Takeuchi Kazuhiko

    Sustainability science : official journal of the Integrated Research System for Sustainability Science 16(1), 295-311, 2021-01

  • Analysis of Accident Information Database on Poisonous and Deleterious Substances for Scenario Construction of Non-stationary Releases of Chemicals  [in Japanese]

    Ono Kyoko , Yoshida Madoka , Kato Etsuko , Tsunemi Kiyotaka

    <p>災害・事故等による化学物質の非定常排出に伴う一般環境への影響を推定する際,現実の事故の性質や規模を想定してシミュレーションを行うことが必要である.本研究では,その際の現実的なシナリオの構築を目的として,「毒物又は劇物の流出・漏洩事故情報」への届出データ(1999-2018 年)を用いて,毒劇物の事故時の環境影響と漏洩・流出量を整理した.大気への影響がある物質では塩化水素,アンモニ …

    Journal of Japan Society for Safety Enginennring 60(1), 15-23, 2021

    J-STAGE 

  • Behaviors of Ca ii K line in A-type stars

    Takeda Yoichi

    … synthetic spectrum-fitting analysis was applied to the resonance Ca ii line at 3933.68 Å for a large sample of 122 A-type main-sequence stars (7000 ≲ Teff ≲ 10000 K) in a wide range of projected rotational velocity (10 ≲ vsini ≲ 300 km s−1), with an aim of investigating the behaviors of Ca abundances ([Ca/H]39) determined from this strong Ca ii 3934 line, especially in context of (i) how they are related with the Am phenomenon (often seen in slow rotators) and (ii) whether they are consistent with the Ca abundances ([Ca/H]61) previously derived …

    Stars and Galaxies 3(0), 1, 2021

    J-STAGE 

  • Simulation and Evaluation of a Space Station Operational Plan Considering Launch Delay of Cargo Vehicles

    GUO Shuai , ZHANG Jin , LUO Yazhong

    … Determining the stochastic impacts of emergencies on the operational scenario of the space station is critical for successful implementation. … A statistical analysis can be used to determine a safe interval between the dates of the events and vehicle launch.</p> …

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 64(1), 50-62, 2021

    J-STAGE 

  • Using Mixed Integer Non-Linear Programming to Develop Dairy Farm Simulation Models for Forage Crop Production Scenario Analysis  [in Japanese]

    Morioka Masako , Nishimura Kazushi

    <p>本研究は畑飼料作の拡大が難しい都府県酪農経営を対象に,耕畜連携による水田飼料作を含む飼料作物生産を組み合わせた経営計画モデルの構築を目的とする.従来,日本における農業経営計画モデルは水田,畑,園芸といった耕種経営を対象に線形計画法を用いて構築されてきた.近年,無料のプログラミングツールやソフトウェアの提供により,低コストで非線形関数のモデル構築が可能になってきている.酪農経営は耕 …

    Agricultural Information Research 29(4), 70-80, 2021

    J-STAGE 

  • Analysis of economic ripple effects in the prefecture by construction of wooden non-residential buildings using wood grown in Mie Prefecture  [in Japanese]

    渕上 佑樹 , Fuchigami Yuki

    三重県産材を使用した木造非住宅建築物の建設による三重県内への経済波及効果を産業連関分析の手法を用いて定量化した。また,他工法についても比較シナリオ1(一般流通材を使用した木造),比較シナリオ2(RC 造),比較シナリオ3(S 造)を設定し,最終需要額を同額と設定した上で産業連関分析を行った。この結果,以下のことが分かった。(1)三重県産材を使用した評価対象シナリオでは最終需要額の1.56倍の生産誘 …

    三重大学大学院生物資源学研究科紀要 (46), 1-9, 2020-12

    IR 

  • Factors Influencing the Willingness to Join CBO Biogas Self-Help Group in Mulyorejo Urban village and Karangnongko Village in Malang, Indonesia

    Prayitno Gunawan , Annisa Nurul Hakim , Meidiana Christia

    … The chances of respondents' willingness to join were assessed through a probability analysis. … This created a scenario with the highest likelihood of willingness. …

    Evergreen 7(4), 468-480, 2020-12

    IR  DOI 

  • Predictive Models and Analysis of Peak and Flatten Curve Values of CoVID-19 Cases in India

    Bhatnagar Paras , Kaura Shivendra , Rajan Sanjeev

    … A mathematical model to predict the new deceased cases corresponding infected cases in a practical scenario is proposed. …

    Evergreen 7(4), 458-467, 2020-12

    IR  DOI 

  • Stranded investment associated with rapid energy system changes under the mid-century strategy in Japan

    Oshiro Ken , Fujimori Shinichiro

    急速な温室効果ガス削減による座礁資産を回避するための政策を提案 --早期からの排出削減とエネルギー技術政策が効果的--. 京都大学プレスリリース. 2020-09-28.

    Sustainability Science, 2020-09-18

    IR 

  • Evaluation of Water-Saving Methodologies for Rice Farming Using a Distributed Long-Term Rainfall-Runoff Model Incorporated Agricultural Ponds Detected by Multi-Temporal SAR Images in the Ibague Watershed, Colombia

    FUKUI Makoto , HIRAMATSU Kazuaki , FUKUDA Shinji , PINEDA Dario , HARADA Masayoshi , TABATA Toshinori

    … The water–saving effects were evaluated by scenario analyses that incorporated the introduction of a water–saving irrigation method (early stopping) to improve irrigation efficiency with respect to redundant paddy irrigation water. … Agricultural ponds, which have a significant effect on the water balance at the watershed scale, were detected by performing cluster analysis on the seasonal transition of the backscatter coefficient obtained from multi–temporal Sentinel–1 SAR images. …

    Journal of the Faculty of Agriculture, Kyushu University 65(2), 313-320, 2020-09

    IR  DOI 

  • Taking stock of national climate policies to evaluate implementation of the Paris Agreement

    Roelfsema Mark , van Soest Heleen L. , Harmsen Mathijs , van Vuuren Detlef P. , Bertram Christoph , den Elzen Michel , Höhne Niklas , Iacobuta Gabriela , Krey Volker , Kriegler Elmar , Luderer Gunnar , Riahi Keywan , Ueckerdt Falko , Després Jacques , Drouet Laurent , Emmerling Johannes , Frank Stefan , Fricko Oliver , Gidden Matthew , Humpenöder Florian , Huppmann Daniel , Fujimori Shinichiro , Fragkiadakis Kostas , Gi Keii , Keramidas Kimon , Köberle Alexandre C. , Aleluia Reis Lara , Rochedo Pedro , Schaeffer Roberto , Oshiro Ken , Vrontisi Zoi , Chen Wenying , Iyer Gokul C. , Edmonds Jae , Kannavou Maria , Jiang Kejun , Mathur Ritu , Safonov George , Vishwanathan Saritha Sudharmma

    … Here, based on a public policy database and a multi-model scenario analysis, we show that implementation of current policies leaves a median emission gap of 22.4 to 28.2 GtCO2eq by 2030 with the optimal pathways to implement the well below 2 °C and 1.5 °C Paris goals. …

    Nature Communications (11), 2020-04-29

    IR 

  • Evaluations of female subordinates by male superiors: Status and gender threats.  [in Japanese]

    清末 有紀 , 森永 康子

    本論文の研究1は,広島大学教育学部提出した平成30年度卒業論文をもとに執筆したものである。研究の一部は中国四国心理学会第74回大会学部生研究発表会,The 13th Biennial Asian Association of Social Psychology Conference,日本社会心理学会第60回大会において報告した。

    広島大学心理学研究 (19), 139-151, 2020-03-31

    IR  DOI 

  • Sustainable Finance in Japan

    SCHUMACHER KIM , Schumacher Kim

    … Subsequently, it analyses transitional climate risks via scenario analysis, applying the Paris Agreement Capital Transition Assessment (PACTA) tool to examine the exposure of subsectors of the Japanese equity market over several climate scenarios. …

    Journal of Sustainable Finance & Investment 10(No. 2), 213-246, 2020-03

    IR 

  • Numerical Simulations of Discharge Change Propagation in Open Channel Irrigation Systems

    KHANH Mai Quoc , HIRAMATSU Kazuaki , TABATA Toshinori , HARADA Masayoshi

    … The simulations for validation and scenario analysis were conducted in irrigation periods of 2018 and 2019 for both the canal and river, respectively. … In the scenario analysis, the observed maximum and minimum discharges in both the canal and river in the irrigation periods were utilized in setting scenarios, and the simulations were conducted considering diversion discharges and no diversion discharges. …

    Journal of the Faculty of Agriculture, Kyushu University 65(1), 139-148, 2020-02

    IR  DOI 

  • Numerical analysis of tsunami-triggered oil spill fires from petrochemical industrial complexes in Osaka Bay, Japan, for thermal radiation hazard assessment

    Nishino Tomoaki , Takagi Youhei

    … The calculations showed that one tsunami vertical evacuation building was exposed to a radiant heat flux of 40 kW/m2 or more in the worst-case scenario. …

    International Journal of Disaster Risk Reduction (42), 2020-01

    IR 

  • An Evaluation Study of Requirements Review Techniques Based on a Crossover Trial  [in Japanese]

    Tanizaki Koichi , Chang Shuang , Deguchi Hiroshi

    <p>製品開発プロジェクトにおいて,要求仕様書の考慮漏れに起因する欠陥が後工程で発見されると修正に大きなコストがかかる.要求定義工程で要求仕様書のレビューにより欠陥を検出することが重要である.レビューは製品の振る舞いを机上でシミュレーションし欠陥を発見する行為であり,境界条件の考慮が必要である.従来のレビューではチェックリストやシナリオに基づき仕様書を読む技法が利用されるが,仕様書に記 …

    STUDIES IN SIMULATION AND GAMING 30(2), 95-109, 2020

    J-STAGE 

  • Performance Evaluation of Heat Exchange Element by Numerical Model:Part 3-Odor substance Transfer Model in Energy Recovery Ventilator by Coupled CFD and Hygrothermal Transfer Model  [in Japanese]

    SOTOKAWA Hajime , CHUNG Juyeon , YOO Sung-Jun , ITO Kazuhide

    <p>省エネルギー性能を追求するネット・ゼロ・エネルギー・ビル (ZEB)の設計において,主要な空調負荷の一つである換気負荷の削減は重要な課題であり,なかでもトイレや喫煙室などの局所換気における換気負荷の適正化は喫緊の課題である。その一方策である全熱交換形換気システムの採用による換気負荷削減はその有効性が確認されているものの,湿度を交換するその性質上,トイレ等の局所換気設備として導入し …

    Transactions of the Society of Heating,Air-conditioning and Sanitary Engineers of Japan 45(274), 1-9, 2020

    J-STAGE 

  • EVALUATING POTENTIAL FLOOD MITIGATION EFFECT OF PADDY FIELD DAM FOR TYPHOON NO. 19 IN 2019 IN THE NARUSE RIVER BASIN

    CHAI Yikai , TOUGE Yoshiya , SHI Ke , KAZAMA So

    … Moreover, the scenario analysis was conducted for different heights of free-drain and proportion of application. …

    Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 76(1), 295-303, 2020

    J-STAGE 

  • Charactaristics of Communication Observed through BRM Training of Seafares in Japanese Coastal Shipping  [in Japanese]

    ASAKI Kenji , YAMAMOTO Kazusei

    … The data from the discussion records are analyzed by Principal Component Analysis ; … </p><p> It is clarified that there is little correlation between the defference in types of simulation scenario and analysis results and the trainees give their mind to the matter on the failure of transmission rather than the quality of information except "ambiguity" and "obscurity".</p> …

    THE JOURNAL OF JAPAN AGENCY OF MARITIME EDUCATION AND TRAINING FOR SEAFARERS 9(0), 1-10, 2020

    J-STAGE 

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