Ryoko Araki

Ryoko Araki
San Diego State University | SDSU · Department of Geography

Master of Science
A PhD student at Joint Program between San Diego State University and University of California, Santa Barbara

About

9
Publications
1,779
Reads
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3
Citations
Citations since 2016
9 Research Items
3 Citations
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Introduction
Ryoko Araki is a Ph.D. student in McMillan Hydrology Lab at San Diego State University. She obtained Bachelor of Engineering at Kyoto University, Japan, and worked with Dr. Takahiro Sayama.
Skills and Expertise
Additional affiliations
August 2019 - present
San Diego State University
Position
  • Graduate Assistant
Description
  • Assist the research project
April 2019 - July 2019
Kyoto University
Position
  • Research Assistant
Description
  • Teaching Assitant of class "Experiment on Hydraulics" and supported lab class in English
Education
April 2015 - March 2019
Kyoto University
Field of study
  • Civil Engineering

Publications

Publications (9)
Article
Full-text available
Dominant processes in a watershed are those that most strongly control hydrologic function and response. Estimating dominant processes enables hydrologists to design physically realistic streamflow generation models, design management interventions, and understand how climate and landscape features control hydrologic function. A recent approach to...
Article
Full-text available
Soil moisture signatures provide a promising solution to overcome the difficulty of evaluating soil moisture dynamics in hydrologic models. Soil moisture signatures are metrics that quantify the dynamic aspects of soil moisture timeseries and enable process‐based model evaluations. To date, soil moisture signatures have been tested only under limit...
Preprint
Full-text available
Soil moisture signatures provide a promising solution to overcome the difficulty of evaluating soil moisture dynamics in hydrologic models. Soil moisture signatures are metrics that quantify the dynamic aspects of soil moisture timeseries and enable process-based model evaluations. To date, soil moisture signatures have been tested only under limit...
Preprint
Soil moisture signatures provide a promising solution to overcome the difficulty of evaluating soil moisture dynamics in hydrologic models. Soil moisture signatures are metrics that represent catchment dynamics extracted from time series of data and enable process-based model evaluations. To date, soil moisture signatures have been tested only unde...
Article
Full-text available
Extensive deforestation in tropical regions may significantly influence the hydrological cycle. However, subsurface runoff processes in thick soil layers in humid tropical forests are poorly understood; thus, the impact of land-use changes in such regions remains unclear. To understand runoff generation mechanisms in the humid tropics, we monitored...
Conference Paper
Full-text available
インドネシアを含む熱帯地域では、地球温暖化によって降水量が変化し、洪水や渇水のリスク増大が懸念されている。また人口増加や土地開発が著しい地域においては、気候変動の影響に加えて、大規模な森林伐採を伴うプランテーション等の土地利用変化が、流域の水循環を変化させる。熱帯雨林の伐採は温室効果ガス排出削減にとっても重要な課題であり、地球規模の環境問題として着目されている。 本研究の最終目標は、熱帯雨林の河川流域を対象に、気候変動と土地利用変化が流域水循環に与える影響を評価し、水災害や水資源に対する適応策を検討することにある。気候変動・土地利用変化の影響を分析するためには環境場の変化に対する応答を的確に予測できるモデルが必要となる。これまで開発された水文モデルの多くは温帯湿潤域の流出特性を反映したもので...
Preprint
Full-text available
Abstract: In Sumatra in Indonesia, large-scale plantations of oil palm and acacia trees have caused 50 % reduction of natural forests in the 25 years between 1985 to 2009. Both climate and land cover changes may impact on regional water cycle, which potentially leads to increase the risk of flood and drought Hydrologic process understandings and th...

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Cited By

Projects

Projects (2)
Project
Analyzing the hydrologic, landscape morphology, and land-use factors behind flood magnitude differences in San Diego river canyons http://www.mcmillanhydrology.org/projects/
Project
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-17H04586/ Ryoko did soil experiments, field data analysis (soil moisture and groundwater), and 1D infiltration modelling.