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Hiroyuki Sase

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Head of Department

Asia Center for Air Pollution Research

Japan

Research Interests

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About

Hiroyuki Sase is the Head of Department at the Asia Center for Air Pollution Research in Japan. His research focuses on the impacts of air pollution on ecosystems, seasonal variations in precipitation chemistry, and the effects of climate change on forested catchments. Recent articles authored by him explore topics such as sulfate runoff processes, black carbon deposition on urban trees, and the interplay between nitrogen saturation and stream water acidification.

Recent Grants

Grant: Close

Mobilization of air pollution legacy accumulated in forest ecosystems due to extreme weather

Open Date: 2022-04-01

Close Date: 2026-03-31

Grant: Close

山間部における夏季豪雨形成と大気汚染の相乗環境影響の解明

Open Date: 2019-04-01

Close Date: 2022-03-31

Grant: Close

Study on regulating factors on deposition, absorption, and emission of reactive N such as ammonia on tree-leaf surface

Open Date: 2019-04-01

Close Date: 2022-03-31

Grant: Close

Estimation of atmospheric deposition load and its effects on nutrient dynamics in forest ecosystems using heavy metal isotopes

Open Date: 2019-04-01

Close Date: 2023-03-31

Grant: Close

水安定同位体比を用いた大気汚染物質が降水システムに与える影響評価

Open Date: 2018-04-01

Close Date: 2021-03-31

Articles (16)

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JAPAN

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Masahiro Yamaguchi

Associate Professor

Nagasaki University

JAPAN

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Hiroyuki Sase

Research Interests

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About

Recent Grants

Articles (16)

Abrupt decrease in vanadium in precipitation at two forested catchments in Japan associated with the IMO 2020 global sulfur regulation

Characteristics of PM2.5 concentrations in a tropical dry deciduous forest of Thailand: Forest fires and urban air pollution seriously affect air quality in forest ecosystems

An evaluation on contribution of organo–metal complexes to enhanced soil CO2 release during drying–rewetting cycles using buried humic horizon soils

Flushing of Subsurface Soil Nitrate as the Primary Cause of Increased Stream Nitrate During Storm Events

Temporal and seasonal variations in the frequency of high-concentration precipitation samples at EANET sites in Japan: 20 years of daily wet deposition data

Ammonia exchange flux over a tropical dry deciduous forest in the dry season in Thailand

Air pollution recovery still falls short of pre-industrial conditions: sulfur stable isotope analysis of tree rings from two giant trees

Sulfate runoff processes during rainfall events in a small forested catchment on the sea of Japan side recovering from acidification under climate change

Relationship between the amount of black carbon particles deposited on the leaf surface and leaf surface traits in nine urban greening tree species

Seasonal variations in the amount of black carbon particles deposited on the leaf surfaces of nine Japanese urban greening tree species and their related factors

Vertical changes in sulfur isotopic ratio of water flowing through a forested catchment along the coast of the sea of Japan in central Japan–a buffer against seasonal transboundary air pollution

Tracing the source of nitrate in a forested stream showing elevated concentrations during storm events

Nitrogen saturation of forested catchments in central Japan - Progress or recovery?

Stream water acidification in the Far East of Russia under changing atmospheric deposition and precipitation patterns

Development of science and policy related to acid deposition in East Asia over 30 years

Transboundary air pollution reduction rapidly reflected in stream water chemistry in forested catchment on the sea of Japan coast in central Japan

Collaborators (12)

Kazuhide Matsuda

Kazuki Suzuki

Takuya Ishida

Ki-Cheol Shin

Yasuhiro Hirano

Masahiro Yamaguchi

Shiho Yabusaki

Urumu Tsunogai

Toko Tanikawa

Masayuki Morohashi

Takashi Sambuichi

Naoyuki Yamashita

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