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The National Institute for Environmental Studies (NIES) in Tsukuba, Japan, recently hosted Leo Arriola from the Barcelona Supercomputing Center (BSC), marking a significant step in international climate research collaboration.

 

 

Leo Arriola, along with BSC colleagues Kai Keller, Marta Alerany, and Mario Acosta, is developing an innovative workflow to test climate model replicability across high-performance computing systems, assess scientific accuracy, and optimize computational efficiency. This work centers on the Japanese coupled climate model NICOCO, a key tool for studying climate dynamics.

 

 

During his visit, Leo successfully ran NICOCO on Japan’s Fugaku supercomputer and Spain’s MareNostrum5, ensuring consistent performance across platforms to advance robust climate modeling techniques. He also presented initial findings on replicability workflows at the 53rd Advanced Supercomputing Environment (ASE) Seminar, hosted by UTokyo’s Information Technology Center.

 

Special thanks go to Hisashi Yashiro, senior NIES researcher and core NICAM developer, for supervising Leo’s stay. This collaboration, part of the HANAMI Project, highlights the power of international partnerships in leveraging cutting-edge technology to address global climate challenges.