Research study of sedimentation on Lake Loakang and Mahakam River at East Kalimantan, May 2002 – December 2002.
Research on impact of climate change on Lake Maninjau, June 2002 – October 2002.
Research on the change of phytoplankton composition and eutrofication level on Lake Maninjau, West Sumatera, June 2001 – October 2002.
Research on characteristic of hydrology on Lake Maninjau, West Sumatera. June 2001 – September 2001.
Research on bathymetri and geomorphology on Lake Maninjau, West Sumatera. June 2001 – September 2001.
Research on Bangka-Belitung coastal sedimentation, Klabat bay, August 2001 – July 2003).
Research study for hydrology response of land use and watershed changing in Ciliwung River, West Java – Preliminary. July 2001 – September 2001.
Involved in CREST (Core Research Evolution Science and Technology) Project for small stream investigating in Japanese forested watershed, April 2005 – May 2008.
Research study on the changes in stream water temperature during rainfall events at Aichi, Kochi, Mie, and Tokyo regions, April 2008 – August 2009.
Research study on the changes in stream water temperature and water quality parameters during rainfall events at Aichi, Kochi, Mie, and Tokyo regions, April 2009 – January 2010.
Research study on the water temperature characteristic at Situ Cibuntu, Cibinong – Indonesia, 2009 – 2010.
Research study on the water temperature characteristic at Mahakam River, Indonesia, 2009- 2010.
Research study for the impacts land use changes in upstream Cisadane watershed on sedimentation rates and discharge, 2010 – 2011.
Research study on spatial optimization to ensure and improve the waters in quantity and quality for supporting fishery productivity at Lake Limboto, 2011 – 2012
Research study on increasing resilience of coastal ecosystems and communities, small Islands and surrounding waters in Indonesia: hazard mitigation and adaptation of rise sea-level from high-impact global climate change and extreme events, 2011 – 2014
Research study on climate data and water temperature monitoring at Lake Maninjau, 2013 – 2014.
Research study on bathymetry and sedimentation at Lake Temengor – Malaysia, January 24 – 30, 2014
Research study on Lake Maninjau, Lake Singkarak and Lake Toba with team from USM Malaysia and Univeristy of Tsukuba, March, 2014
Research study on Jatilhur reservoir with team form University of Tsukuba, June 2014
Post Doc at International Water Resources Research Institute (IWRRI), Chungnam National University, August 2014 – February 2015 on hillslope hydrology studies
Visiting research at Univeristy of Tsukuba, Japan for JSPS-LIPI program with topic: monitoring water environment change and analyzing its driving factors in inland waters by remote sensing technique, October 5 – November 5, 2015
Research study on projection of impacts of climate change on flood risk and its evaluation with high resolution at Batanghari and Jabodetabek watersheds (preparation for disaster mitigation concept with based on public participation), 2015 – now