Irino Tomohisa

2018 - 2021 Refinement of biomarker-based paleovegetation analysis, and its application to reconstruction of the paleovegetational variation in the northern Japan over the past 5 million years

2016 - 2019 Reconstruction of the Pacific Decadal Oscillation during the last 8000 years by the analysis of Beppu Bay sediment cores

2016 - 2019 Centennial to millennial-scale variability of East Asian Monsoon: Onset timing, temporal changes, and their controlling factors

2015 - 2018 Accuracy improvement of earthquake history of the Nankai Trough by sediment records from terminal basins

2014 - 2017 Reconstruction of variations in paleovegetation during the Quaternary by analysis of plant-derived organic molecule in the deep sea drilling sediment cores from the Atlantic Ocean and Japan Sea

2012 - 2017 Understanding the mechanisms controlling the environmental dynamics of radionuclides released from the Fukushima Daiichi Nuclear Power Plant in the ocean.

2013 - 2016 High resolution reconstruction of Holocene sea surface temperature in the Southern Ocean and the Arctic Ocean

2011 - 2016 Changes in hydrological cycle in East Asia during the Holocene and their implication for Global Monsoon

2012 - 2015 Development of new carbonate dissolution index by X-ray Tomography and geochemical proxies

2009 - 2012 Analysis of ecosystem function of taiga in eastern Siberia

2009 - 2011 Development of proxy for oceanic carbonate using Micro-X-ray CT technique

2007 - 2011 Reconstruction of changes in the atmospheric convection activity in the tropical Pacific Ocean during the last 150,000 years using hydrogen isotopes of biomarkers

2009 - 利尻島および日本海北部海域に降下するシベリア森林火災起源物質の時代変化

2009 - Temporal variation of charcoal deposition originated from Siberian forest fire in the Rishiri Island and the northern Japan Sea

2007 - 2008 Reconstruction of paleoceanographic variations of Kuroshio over the past 7,000 years from oxygen isotope ratio of the micro-bivalvia ound in a submarine cave

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

2005 - 2007 The 2003 Hokkaido Hidaka flood : sedimentary processes in the open ocean and influence to sea bottom environments

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

2005 - 2006 Improvement of paleo-SST and SSS reconstruction based on precise estimation of secondary calcification and dissolution of planktonic foraminifer test

2004 - 2006 High resolution reconstruction of hydrological cycle in the East Asia during the last deglaciation using terrestrial biomarkers

2004 - 2005 有孔虫の殻内有機物を用いた地質時代の大気CO_2分圧プロキシの開発

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

2004 - 河川懸濁粒子の量および組成観測に基づく河川流出量変動の海洋への影響の解明

2004 - Biogeochemical impact on marine environment from river discharge based on observation of river suspended materials

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

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.

2000 - 海底細粒堆積物の粒度・鉱物・化学組成にもとづく供給源と運搬過程の解明

2000 - Provenance and transport process of fine grained marine sediments based on grain size, mineral, and chemical composition

1998 - 1998 日本海・北西太平洋深海底堆積物への黄砂及び島弧起源砕屑物フラックスの時空変動復元