Toshio Koike

According to our database, Toshio Koike authored at least 56 papers between 2001 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Feasibility of Liquid Water Path Estimation of Over Land Using Satellite-Based Ka-Band Passive Microwave Data.

Rie Seto, Toshio Koike, Misako Kachi

IEEE Trans. Geosci. Remote. Sens., 2024

2023

Implementing the GEOSS water strategy: from observations to decisions.

Richard Lawford, Sushel Unninayar, George J. Huffman, Wolfgang Grabs, Angélica Gutiérrez, Chu Ishida-Watanabe, Toshio Koike

Int. J. Digit. Earth, December, 2023

2021

Radiative Characteristics at 89 and 36 GHz for Satellite-Based Cloud Water Estimation Over Land.

Rie Seto, Kentaro Aida, Toshio Koike, Shinjiro Kanae

IEEE Trans. Geosci. Remote. Sens., 2021

2020

Monitoring and Predicting Agricultural Droughts for a Water-Limited Subcontinental Region by Integrating a Land Surface Model and Microwave Remote Sensing.

Yohei Sawada, Toshio Koike, Eiji Ikoma, Masaru Kitsuregawa

IEEE Trans. Geosci. Remote. Sens., 2020

2019

Toward High-Resolution Soil Moisture Monitoring by Combining Active-Passive Microwave and Optical Vegetation Remote Sensing Products with Land Surface Model.

Kinya Toride, Yohei Sawada, Kentaro Aida, Toshio Koike

Sensors, 2019

2018

GCOM-W AMSR2 Soil Moisture Product Validation Using Core Validation Sites.

Rajat Bindlish, Michael H. Cosh, Thomas J. Jackson, Toshio Koike, Hideyuki Fujii, Steven Tsz K. Chan, Jun Asanuma, Aaron Berg, David D. Bosch, Todd Caldwell, Chandra D. Holifield Collins, Heather McNairn, José Martínez-Fernández, John H. Prueger, Tracy L. Rowlandson, Mark S. Seyfried, Patrick J. Starks, Marc Thibeault, Rogier van der Velde, Jeffrey P. Walker, Evan J. Coopersmith

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018

Erratum: Khairul, I.M. et al. Inter-Comparison of Gauge-Corrected Global Satellite Rainfall Estimates and Their Applicability for Effective Water Resource Management in a Transboundary River Basin: The Case of the Meghna River Basin. <i>Remote Sens.</i> 2018, <i>6</i>, 828.

Islam M. Khairul, Nikolaos Mastrantonas, Mohamed Rasmy, Toshio Koike, Kuniyoshi Takeuchi

Remote. Sens., 2018

Inter-Comparison of Gauge-Corrected Global Satellite Rainfall Estimates and Their Applicability for Effective Water Resource Management in a Transboundary River Basin: The Case of the Meghna River Basin.

Islam M. Khairul, Nikolaos Mastrantonas, Mohamed Rasmy, Toshio Koike, Kuniyoshi Takeuchi

Remote. Sens., 2018

Interoperability challenges in river discharge modelling: A cross domain application scenario.

Mattia Santoro, Volker Andres, Simon Jirka, Toshio Koike, Ulrich Looser, Stefano Nativi, Florian Pappenberger, Manuela Schlummer, Adrian Strauch, Michael Utech, Ervin Zsoter

Comput. Geosci., 2018

Data Integration and Analysis System (DIAS) as a Platform for Data and Model Integration: Cases in the Field of Water Resources Management and Disaster Risk Reduction.

Akiyuki Kawasaki, Petra Koudelova, Katsunori Tamakawa, Asanobu Kitamoto, Eiji Ikoma, Koji Ikeuchi, Ryosuke Shibasaki, Masaru Kitsuregawa, Toshio Koike

Data Sci. J., 2018

2017

Fusing Microwave and Optical Satellite Observations to Simultaneously Retrieve Surface Soil Moisture, Vegetation Water Content, and Surface Soil Roughness.

Yohei Sawada, Toshio Koike, Kentaro Aida, Kinya Toride, Jeffrey P. Walker

IEEE Trans. Geosci. Remote. Sens., 2017

Ground Truth of Passive Microwave Radiative Transfer on Vegetated Land Surfaces.

Yohei Sawada, Hiroyuki Tsutsui, Toshio Koike

Remote. Sens., 2017

Design and Implementation of a Training Course on Big Data Use in Water Management.

Petra Koudelova, Akiyuki Kawasaki, Toshio Koike, Yoshihiro Shibuo, Minoru Kamoto, Yoshio Tokunaga

Data Sci. J., 2017

Data Integration and Analysis System (DIAS) Contributing to Climate Change Analysis and Disaster Risk Reduction.

Akiyuki Kawasaki, Akio Yamamoto, Petra Koudelova, Ralph Acierto, Toshihiro Nemoto, Masaru Kitsuregawa, Toshio Koike

Data Sci. J., 2017

Two-country computable equilibrium model of international drought risk sharing: The case of Pakistan and the Philippines.

Hiroaki Ishiwata, Yushi Suzuki, Muneta Yokomatsu, Mohamed Abdelsalam Ibrahim Hafez Elagaty, Toshio Koike, Yohei Sawada, Patricia Ann Jaranilla-Sanchez

Proceedings of the 2017 IEEE International Conference on Systems, Man, and Cybernetics, 2017

AMSR2 soil moisture product validation.

Rajat Bindlish, Thomas J. Jackson, Michael H. Cosh, Toshio Koike, X. Fuiji, Richard de Jeu, Steven Tsz K. Chan, Jun Asanuma, Aaron A. Berg, David D. Bosch, Todd Caldwell, C. Holyfield Collins, Heather McNairn, José Martínez-Fernández, John H. Prueger, Mark S. Seyfried, Patrick J. Starks, Zhongbo Su, Marc Thibeault, Jeffrey P. Walker

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016

A Field Verification of an Algorithm for Retrieving Vegetation Water Content From Passive Microwave Observations.

Yohei Sawada, Hiroyuki Tsutsui, Toshio Koike, Mohamed Rasmy, Rie Seto, Hideyuki Fuji

IEEE Trans. Geosci. Remote. Sens., 2016

2015

An Improvement of the Radiative Transfer Model Component of a Land Data Assimilation System and Its Validation on Different Land Characteristics.

Hui Lu, Kun Yang, Toshio Koike, Long Zhao, Jun Qin

Remote. Sens., 2015

Evaluation of AMSR2 and SMOS soil moisture products over Heihe river basin in China.

Hui Lu, Toshio Koike

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

2014

Applicability of Multi-Frequency Passive Microwave Observations and Data Assimilation Methods for Improving NumericalWeather Forecasting in Niger, Africa.

Mohamed Rasmy, Toshio Koike, Xin Li

Remote. Sens., 2014

Improvement of AMSR2 soil moisture algorithm with considering temperature profile effects in dry soil: A case study in Heihe basin.

Hui Lu, Toshio Koike, Kun Yang

Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

2013

Improving numerical weather forecast using multi-frequency passive microwave satellite observations and data assimilation methods.

Mohamed Rasmy, Toshio Koike

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

Retrieving land surface soil parameters by using passive microwave remote sensing observations and land surface models.

Hui Lu, Kun Yang, Toshio Koike

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

2012

Development of the Coupled Atmosphere and Land Data Assimilation System (CALDAS) and Its Application Over the Tibetan Plateau.

Mohamed Rasmy, Toshio Koike, David N. Kuria, Cyrus Raza Mirza, Xin Li, Kun Yang

IEEE Trans. Geosci. Remote. Sens., 2012

Improving land surface soil moisture and energy flux simulations over the Tibetan plateau by the assimilation of the microwave remote sensing data and the GCM output into a land surface model.

Hui Lu, Toshio Koike, Kun Yang, Zeyong Hu, Xiangde Xu, Mohamed Rasmy, David N. Kuria, Katsunori Tamagawa

Int. J. Appl. Earth Obs. Geoinformation, 2012

Estimating energy, water and carbon flux over africa with using a land data assimilation system.

Hui Lu, Toshio Koike, Mohamed Rasmy

Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

2011

Development of a Satellite Land Data Assimilation System Coupled With a Mesoscale Model in the Tibetan Plateau.

Mohamed Rasmy, Toshio Koike, Souhail Boussetta, Hui Lu, Xin Li

IEEE Trans. Geosci. Remote. Sens., 2011

Improving land surface energy and water fluxes simulation over the Tibetan Plateau with using a land data assimilation system.

Hui Lu, Toshio Koike, Kun Yang, Xin Li, Hiroyuki Tsutsui, Katsunori Tamagawa, Xiangde Xu

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Monitoring vegetation water content by using optical vegetation index and microwave vegetation index: Field experiments and applications.

Hui Lu, Toshio Koike, Hiroyuki Tsutsui, Hydeyuki Fujii

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

2009

Estimating Land Surface Energy and Water Fluxes by using the Land Data Assimilation System Developed at the University of Tokyo (LDASUT).

Hui Lu, Toshio Koike, Kun Yang, Hiroyuki Tsutsui, Katsunori Tamagawa

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

Monitoring Soil Moisture Change in North Africa with using Satellite Remote Sensing and Land Data Assimilaiton System.

Hui Lu, Toshio Koike, Hydeyuki Fujii, Hiroyuki Tsutsui, Tetsu Ohta, Katsunori Tamagawa

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

2008

Retrieval of Atmospheric Integrated Water Vapor and Cloud Liquid Water Content Over the Ocean From Satellite Data Using the 1-D-Var Ice Cloud Microphysics Data Assimilation System (IMDAS).

Cyrus Raza Mirza, Toshio Koike, Kun Yang, Tobias Graf

IEEE Trans. Geosci. Remote. Sens., 2008

PVES: Powered Visualizer for Earth Environmental Science.

Masaki Yasukawa, Masaru Kitsuregawa, Kenji Taniguchi, Toshio Koike

IEEE Syst. J., 2008

An Advanced Quality Control System for the CEOP/CAMP <i>In-Situ</i> Data Management.

Katsunori Tamagawa, Masaru Kitsuregawa, Eiji Ikoma, Tetsu Ohta, Steve Williams, Toshio Koike

IEEE Syst. J., 2008

The Development of 1-D Ice Cloud Microphysics Data Assimilation System (IMDAS) for Cloud Parameter Retrievals by Integrating Satellite Data.

Cyrus Raza Mirza, Toshio Koike, Kun Yang, Tobias Graf

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Moritoring Wingter Wheat Growth With Grand Based Microwave Radiometers (GBMR).

Hui Lu, Toshio Koike, Hiroyuki Tsutsui, Tobias Graf, David N. Kuria

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Improving the AMSR-E Soil Moisture Algorithm of the University of Tokyo through Field Experiments and Parameters Optimization.

Hui Lu, Toshio Koike, Tetsu Ohta, Hydeyuki Fujii, Hiroyuki Tsutsui

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

2007

Field-Supported Verification and Improvement of a Passive Microwave Surface Emission Model for Rough, Bare, and Wet Soil Surfaces by Incorporating Shadowing Effects.

David N. Kuria, Toshio Koike, Hui Lu, Hiroyuki Tsutsui, Tobias Graf

IEEE Trans. Geosci. Remote. Sens., 2007

Physical Validation of Microwave Properties of Winter Precipitation Over the Sea of Japan.

Kazumasa Aonashi, Toshio Koike, Ken-ichiro Muramoto, Keiji Imaoka, Nobuhiro Takahashi, Guosheng Liu, Yoo-Jeong Noh

IEEE Trans. Geosci. Remote. Sens., 2007

Development of a soil moisture retrieval algorithm for spaceborne passive microwave radiometers and its application to AMSR-E and SSM/I.

Hui Lu, Toshio Koike, Tetsu Ohta, David N. Kuria, Hiroyuki Tsutsui, Tobias Graf, Hideyuki Fuji, Katsunori Tamagawa

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

2006

Development of a data mining application for huge scale earth environmental data archives.

Eiji Ikoma, Kenji Taniguchi, Toshio Koike, Masaru Kitsuregawa

Int. J. Comput. Sci. Eng., 2006

Snow Satellite Algorithm Development and Verification based on the Ground Snow Observation using a Ground Microwave Radiometer.

Hiroyuki Tsutsui, Toshio Koike, Tobias Graf

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

A Radiative transfer Model for Soil Media with Considering the volume Effects of Soil Particles: field observation and Numerical Simulation.

Hui Lu, Toshio Koike, Hiroyuki Tsutsui, Tobias Graf, David N. Kuria, Hydeyuki Fujii, M. Mourita

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Multi-Frequency Microwave Response to Periodic Rougheness.

David N. Kuria, Hui Lu, Toshio Koike, Hiroyuki Tsutsui, Tobias Graf

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Assimilating Passive Microwave Brightness Temperature Data into a Land Surface Model to Improve the Snow Depth Predictability.

Tobias Graf, Toshio Koike, Xin Li, M. Hirai, Hiroyuki Tsutsui

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

2005

A radiative transfer model and an algorithm for soil moisture including very dry conditions.

Hui Lu, Toshio Koike, Hideyuki Fuji, Nozomu Hirose, Katsunori Tamagawa

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

2004

A very fast simulated re-annealing (VFSA) approach for land data assimilation.

Xin Li, Toshio Koike, Mahadevan Pathmathevan

Comput. Geosci., 2004

The Cold Land Processes Experiment (CLPX-1): analysis and modelling of LSOS data (IOP3 period).

Marco Tedesco, Edward J. Kim, Donald W. Cline, Tobias Graf, Toshio Koike, Janet P. Hardy, Richard Armstrong, Mary J. Brodzik

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Exploring scaling issues by using NASA Cold Land Processes Experiment (CLPX-1, IOP3) radiometric data.

Marco Tedesco, Edward J. Kim, Donald W. Cline, Tobias Graf, Toshio Koike, Richard Armstrong, Mary J. Brodzik, B. Boba Stankov, Albin J. Gasiewski, Marian Klein

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Estimation of snowfall over the sea of Japan using AMSR-E passive microwave remote sensing observation.

Tobias Graf, Toshio Koike, Thomas Pfaff, Ken-ichiro Muramoto, Kazumasa Aonashi

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Correcting snowfall from gauge observations using passive microwave brightness temperature data and data assimilation.

Tobias Graf, Toshio Koike, Kouichi Nishimura

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Estimation of snow depth from AMSR-E in the GAME/CEOP Siberia experiment region.

Alfred T. C. Chang, Richard E. J. Kelly, James L. Foster, Toshio Koike

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

2003

AMSR/AMSR-E level 2 and 3 algorithm developments and data validation plans of NASDA.

Akira Shibata, Keiji Imaoka, Toshio Koike

IEEE Trans. Geosci. Remote. Sens., 2003

One-dimensional soil moisture profile, surface temperature, and canopy temperature retrieval by assimilation of ground based microwave radiometer measurements over bare soil and agricultural crops.

Mahadevan Pathmathevan, Toshio Koike, Xin Li

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Estimating snow pack properties from passive microwave remote sensing observations using four-dimensional data assimilation.

Tobias Graf, Toshio Koike, H. Fujji, Richard Armstrong, T. Yamazaki, Kouichi Nishimura

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

2001

A multifrequency algorithm for the retrieval of soil moisture on a large scale using microwave data from SMMR and SSM/I satellites.

Simonetta Paloscia, Giovanni Macelloni, Emanuele Santi, Toshio Koike

IEEE Trans. Geosci. Remote. Sens., 2001