Weather Projections and Dynamical Downscaling for the Republic of Panama: Evaluation of Implementation Methods via GPGPU Acceleration

Climate change could have a critical impact on the Republic of Panama where a major segment of the economy is dependent on the operation of the Panama Canal. New capabilities to do targeted research around climate change impacts on Panama is therefore being established. This includes anew GPU-cluster infrastructure called Iberogun, based around 2 DGX1 servers (each running 16 NVIDIA Tesla P100 GPUs). This infrastructure will be used to evaluate potential climate models and models of extreme weather events. In this review we therefore present an evaluation of the GPGPU (General Purpose Graphic Processing Unit, here abbreviated GPU) implementation methods for the study of weather projections and dynamical downscaling in the Republic of Panama. Different methods are discussed, including: domain-specific languages (DSLs), directive-based porting methods, granularity optimization methods, and memory layout transforming methods. One of these approaches that has yielded interesting previous results is further discussed, a directive-based code transformation method called ‘Hybrid Fortran’ that permits a high-performance GPU port for arranged lattice Fortran codes. Finally, we suggest a method akin to previous investigations related to climate change done for the Republic of Panama, but with acceleration via GPU capabilities.We acknowledge a scientific fund from Sistema Nacional de Investigación de Panamá (SNI) and Projects: FID- 2016-275 and EIE-2018-16 of Convocatorias públicas of Secretaria Nacional de Ciencia y Tecnología e Innovación (SENACYT). We acknowledge funds and support from JSPS Grant-in-Aid for Specially Promoted Research 16H06291. We acknowledge Theme C of the TOUGOU program granted by the Japanese Ministry of Education, Culture, Sports, Science and Technology. The authors thank the Universidad Tecnológica de Panamá their extensive support, and for the use of their CIHH-group HPC-Cluster-Iberogun. Also acknowledge to NVIDIA Corporation with the donation of the Titan Xp GPU used for this research

Causes of Greenland temperature variability over the past 4000 years: Implications for North Hemispheric temperature change

第3回極域科学シンポジウム/第35回極域気水圏シンポジウム 11月29日（木） 国立国語研究所 ２階多目的

High variablity of Greenland surface temperature over the past 4000 years estimated from trapped air in ice core

第2回極域科学シンポジウム　氷床コアセッション 11月16日（水） 国立極地研究所 2階大会議

Increase In Simple Precipitation Intensity Index In Panama

The paper describes trends in climate change indices in the Republic of Panama by using long-term meteorological data sets from the Panama Canal and MRI-AGCM. Simple precipitation intensity index from eleven climate change indices shows the same trend, increasing at six meteorological stations around the Panama Canal. Forward projection (from 2080 to 2099) was carried out by using MRI-AGCM3.1S and 3.2S, which demonstrates an increase in simple precipitation intensity index in the entire area of Panama. The increase in simple precipitation intensity index may suggest that stronger precipitation will occur more frequently in the future in Panama.The paper describes trends in climate change indices in the Republic of Panama by using long-term meteorological data sets from the Panama Canal and MRI-AGCM. Simple precipitation intensity index from eleven climate change indices shows the same trend, increasing at six meteorological stations around the Panama Canal. Forward projection (from 2080 to 2099) was carried out by using MRI-AGCM3.1S and 3.2S, which demonstrates an increase in simple precipitation intensity index in the entire area of Panama. The increase in simple precipitation intensity index may suggest that stronger precipitation will occur more frequently in the future in Panama

Assimilating Ocean Observation Data for ENSO Monitoring and Forecasting

http://www.godac.jamstec.go.jp/darwin/cruise/mirai/mr10-07/ehttp://www.godac.jamstec.go.jp/darwin/cruise/mirai/mr09-04/ehttp://www.godac.jamstec.go.jp/darwin/cruise/mirai/mr08-03/ehttp://www.godac.jamstec.go.jp/darwin/cruise/mirai/mr07-03/ehttp://www.godac.jamstec.go.jp/darwin/cruise/mirai/mr06-01/ehttp://www.godac.jamstec.go.jp/darwin/cruise/mirai/mr05-02/