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1 迈向地球系统模式耦合技术前沿刘利 1

2 研究生阶段主要经历入学 2

3 研究生阶段主要经历第一次投稿入学 3

4 研究生阶段主要经历第一次被录用第一次投稿入学 4

5 研究生阶段主要经历研究 = 发论文两篇论文被录用第一次被录用第一次投稿入学 5

6 研究生阶段主要经历超越 = 创新博士开题第一次未通过研究 = 发论文论文被顶级会议录用两篇论文被录用第一次被录用第一次投稿入学 6

7 研究生阶段主要经历超越 = 创新研究 = 发论文博士开题第一次未通过毕业论文未通过博士毕业论文被顶级会议录用两篇论文被录用第一次被录用第一次投稿入学连续 13 次以上论文被拒稿什么是研究? 什么是创新? 论文是什么? 7

8 研究生阶段主要经历超越 = 创新研究 = 发论文博士开题第一次未通过毕业论文未通过博士毕业论文被顶级会议录用两篇论文被录用第一次被录用第一次投稿入学连续 13 次以上论文被拒稿什么是研究? 什么是创新? 论文是什么? 耦合器自主设计研发 8

9 Earth system model and coupler OCN Bio. OCN ATM Space weather Coupler ATM Chem. ICE LND LND Bio. Solid Earth Hydrology 9

10 Coupler status Existing couplers U. K. BFG, Euro OASIS, U.S. MCT/FMS/ESMF and NCAR CPL ATM ICE ATM ICE CPL LND OCN LND OCN 10

11 C-Coupler 设计研发历程引进后技术改进耦合器软件结构创新耦合器自主设计研发设计宣告失败 C-Coupler 第一版设计 11

12 C-Coupler 设计研发历程引进后技术改进耦合器软件结构创新耦合器自主设计研发第二版设计设计宣告失败 C-Coupler 第一版设计 12

13 C-Coupler 设计研发历程科学技术与应用相结合引进后技术改进耦合器软件结构创新 C-Coupler 库原型系统插值软件二次开发 (CoR) 第二版设计耦合器自主设计研发设计宣告失败 C-Coupler 第一版设计 9-10 人研发团队 13

14 C-Coupler 设计研发历程科学技术与应用相结合引进后技术改进耦合器软件结构创新 C-Coupler 库原型系统插值软件二次开发 (CoR) 第二版设计 CoR1.0 发布耦合器自主设计研发设计宣告失败 C-Coupler 第一版设计 9-10 人研发团队 14

15 C-Coupler 设计研发历程引进后技术改进耦合器软件结构创新科学技术与应用相结合 C-Coupler 库原型系统插值软件二次开发 (CoR) 第二版设计 C-Coupler 平台原型系统 CoR1.0 发布耦合器自主设计研发设计宣告失败 C-Coupler 第一版设计 9-10 人研发团队 15

16 C-Coupler 设计研发历程国际引领的耦合器引进后技术改进耦合器软件结构创新科学技术与应用相结合 C-Coupler 库原型系统插值软件二次开发 (CoR) 第二版设计 C-Coupler 平台原型系统 CoR1.0 发布 C-Coupler 测试版发布耦合器自主设计研发设计宣告失败 C-Coupler 第一版设计 9-10 人研发团队 16

17 C-Coupler 设计研发历程 CW2015 引进后技术改进 CW2010 耦合器软件结构创新 CW2013 科学技术与应用相结合 C-Coupler 库原型系统插值软件二次开发 (CoR) 第二版设计国际引领的耦合器 C-Coupler 平台原型系统 CoR1.0 发布 C-Coupler 第一篇论文发表 C-Coupler 测试版发布耦合器自主设计研发设计宣告失败 C-Coupler 第一版设计 9-10 人研发团队 3-4 人研发团队 17

18 C-Coupler1: a parallel 3-D coupler Developed by ourselves C-Coupler runtime software system for 3-D coupling CoR1.0: A common multi-dimensional remapping software for remapping, grid and field data management Coupling interfaces Function managers, e.g., time manager, communication manager, etc. Over 90% code is designed and developed by ourselves: 30000/33000 Parallelization C-Coupler platform: a runtime environment for model development, simulation and bitwise identical reproducibility Runtime configuration for NCAR CPL6 coupling flow Imported: NCAR CPL6 flux algorithms Patent, copyrights and user manual 18

19 Modularized coupling with C-Coupler ATM C-Coupler ICE Coupler component LND OCN 19

20 Software structure of C-Coupler Component models configuration Standardized component models Component models code ATMs OCNs LNDs ICEs Carbon Coupled models configuration Configuration system Coupling flow configuration Process MGR Grid MGR Interfaces Communication MGR Remapping MGR Coupling generator Runtime configuration Remapping algorithms Restart MGR Time MGR C-Coupler runtime Scientific algorithms Decomposition MGR Data MGR Runtime software Interfaces system software system External coupling algorithms I/O algorithms 20

21 Software modules Standardized component models External algorithms Runtime configuration files of experiment models C-Coupler Input data Create case Select simulation Specify case directory and case name Configure Namelist Parallel settings Compiling options Initial or restart Output settings Start and stop time Experimental setup package Compile Run case Output data

22 C-Coupler1 functions CPL6/CPL7 C-Coupler Science Flux computation 3-D coupling Two-way model nesting and interactive ensemble Lower uncertainty in coupling process Technology Modularization, extendibility High parallel efficiency Application Powerful coupling functions, user friendliness Standardization, commonality, unification Reliability, automatic error detection Reproducibility of simulation results Good and free service for Chinese scientists 0: no that function; 1: can have that function with user s effort 22 2: have that function but not perfect; 3: perfect function support

23 Software features of C-Coupler1 Modularity Reliability Extendibility Bitwise identical reproducibility Portability Uniformity and sharing 23

24 Models targeted on C-Coupler platform Single column model Standalone component model Regional coupling model Air-sea coupling Interactive ensemble Nested model Climate system model Earth system model 24

25 Example: parallel 2D flux coupling, global coupling, climate system model GAMIL2 LICOM2 CLM3 C-Coupler1 has been publicly C-Coupler1 released with FGOALS-gc in 2013 svn --username=guest co FGOALS-gc CICE4_ LASG 25

26 Example: parallel 3-D coupling, regional coupling, direct coupling WRF 2D coupling Direct coupling C-Coupler 2D coupling MASNUM-Wav 2D coupling 3-D coupling: Four choices for 1D interpolation for vertical level POM

27 Example: Sharing platform for GAMIL development FGOALS-gc FGOALS-gc-colm CLM2 GAMIL GEOS-Chem CLM3 CoLM CLM4 C-Coupler platform 27

28 Example: standalone CESM Integrating a standalone U.S. NCAR CESM1.2.1 onto the C-Coupler platform Several configuration files less than 10 lines of source code in the main driver Enhancement of bitwise-identical reproducibility to CESM simulation 28

29 Example: experiment management FGOALS-gc config.fgoals-gc.picontrol_run.tansuo100.cor.tar.gz config.fgoals-gc.picontrol_run.tansuo100.scrip.tar.gz GAMIL-sole config.gamil-sole.hist_run.generic_linux.tar.gz config.gamil-sole.hist_run.tansuo100.tar.gz 29

30 Example: cooperative R&D platform for model development 模式研发中心 C-Coupler 平台模式标准版本与标准试验集模式改进版本扩展试验集论文报告等模式标准版本与标准试验集合作单位 1 合作单位 2 在 C-Coupler 平台规范化版本管理与试验结果可重现的支持下, 模式研发中心与合作单位之间, 以及多个合作单位之间, 不仅可以共享论文和报告中的科学结论, 更可以很方便地直接共享模式源代码的改进和可以重现结果的试验, 这也将使得模式研发中心更容易管理和协调合作单位检验和直接使用合作单位的研究过程和成果 30

31 C-Coupler service Free for non-commercial usage Directly serve construction of experiment models and model platform Consider coupling requirements from other teams as much as possible Bonus for bug reports and good suggestions No ask for membership or co-author of model teams, MIPs, papers, Keep privacy for non-public model versions 31

32 World leading features of C-Coupler Modularized software structure and code implementation 3-D coupling CoR C-Coupler platform with enhancement of bitwise identical reproducibility Flexibility and reliability Parallel performance Coupling generator Automatic testing platform 32

33 什么是研究? 什么是创新? 论文是什么? 33

34 什么是研究生? 学技术解决问题发现问题做贡献创造新知识 34

35 科研学习经验失败是财富世界上最怕认真二字自信与三人行必有我师不耻下问不以善小而不为欲先取之, 必先予之善于建立自己的知识体系把握方向, 不断积累, 居安思危, 厚积薄发敢于挑战权威, 相信自己舍得 35

36 Thank you 36

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2/80 2 2/80 2 3/80 3 DSP2400 is a high performance Digital Signal Processor (DSP) designed and developed by author s laboratory. It is designed for multimedia and wireless application. To develop application