Nagao Seiya

2019 - 木場潟の水質改善調査

2019 - 福島県沿岸海域における放射性セシウムの移動挙動の解明を目的とした係留調査試料の分析及び動態研究

2015 - 2018 Impact of permafrost degradation on the discharge of dissolved iron in the Amur River basin

2015 - 2018 Geochemical cycles in sea environments around the Japanese Archipelago from distributions of multi-radionuclides

2018 - 福島県沿岸海域における放射性核種の蓄積状況等に関する調査

2018 - 寄附金(小松マテーレ)

2016 - 2017 海底近傍における海底土及び放射性物質移動の調査業務

2016 - 2017 二国間交流事業共同研究・セミナー

2014 - 2017 The dynamics of radiocesium in the hydrosphere ecosystem of Lake Onuma on Mt. Akagi

2014 - 2017 Development of synthetic approach to reconstruct the past interaction between landuse change and river discharge or marine ecosystem

2014 - 2017 Estimation of internal exposure from ingestion of radium isotopes in the groundwater sample and investigation of radium isotope behavior in the low-salinity groundwater environment

2012 - 2017 Development of microanalysis technology and chemical form of radioactive materials with migration

2017 - 木場潟の水質改善調査

2017 - 海底近傍における海底土及び放射性物質移動の調査業務

2015 - 2016 平成27年度産業・地域活性化懇話会に係る事業課調査研究業務委託

2015 - 2016 放射性セシウムの変動要因に関する調査業務

2015 - 2016 海水試料のセシウム同位体極微量分析業務

2014 - 2015 海底土における放射性セシウムの再溶出に関する調査分析業

2012 - 2015 木場潟の汚染の起源調査

2012 - 2015 Study on transport behavior of radiocesium from river watershed to coastal marine environment and its ecological effects

2012 - 2015 Geochemical cycles in the marginal seas around Japan Islands from spatial distributions of multi-radionuclides

2011 - 2015 Present earth-surface processes and historical environmental changes in East Asia inferred from lake-catchment systems

2014 - 2015 海水試料のセシウム同位体極微量分析業務

2013 - 2014 河川からの放射性物質の流入と再熔解の調査業務

2013 - 2014 海水試料のセシウム同位体極微量分析業務

2012 - 2013 海水試料のセシウム同位体極微量分析業務

2012 - 2013 地下水中溶存有機物測定

2012 - 2013 天然有機物の特性評価研究

2009 - 2012 Influences of humic acids on the degradation and toxicity of brominated flame retardants by oxidation catalysts

2009 - 2011 Simple fractionation analysis for dissolved humic substances : utilization for DOM dynamic analysis in soil and water ecosystems.

2006 - 2009 Iron behavior and sources regulating primary production in marginal seas (Bering Sea, Okhotsk Sea, Japan Sea)

2006 - 2008 Research of characteristics of riverine suspended particles released by heavy rain and their effects on coastal ecosystem

2004 - 2007 Evaluation of nutrient impact from river to coastal biogeochemical systems as an aspect from material transport processes

2003 - 2005 Study on Accumulation and Transportation of Refractory Organic Materials in Terrestrial Area

2003 - 2003 腐植物質による環境の制御と修復

2001 - 2003 High-resolution reconstruction of environmental change off the east coast of Japan since the last 50,000 years reconded in a marine sediment core.

2001 - 2003 Chemical pproxy parametarization for evaluating prehistoric human activities.

2001 - 2002 Preparation of aquatic fulvic acid standard sample and preparation of those guarantee data

2001 - 水圏における放射性核種の移行挙動解明研究

2001 - 陸域環境における灘分解性有機物の動態研究

2001 - 海底堆積物を用いた古環境解析研究

2001 - 海洋における溶存有機物の動態研究

2001 - Study on Geochemical Behavior of radionuclides in aquatic environment

2001 - Migration behavior of refractory organic matter in terrestrial environment

2001 - Study on Reconstruction s of paleoceanographic envivorments

2001 - Dynamics of dissolved organic matter in marine envivonment