CEOP Model Output : 3D Gridded CPTEC data

Ten operational Numerical Weather Prediction (NWP) and two data assimilation centers are currently contributing analysis/assimilation and forecast model products from global and regional NWP suites, including both operational and reanalysis systems to this component of CEOP. The contributing centers include: BoM: Bureau of Meteorology CPTEC: Centro de Previsao de Tempo e Estudos Climaticos ECMWF: European Centre for Medium-Range Weather Forecasts ECPC: Experimental Climate Prediction Center EMC: EPSON Meteo Center (Centro EPSON Meteo) GLDAS: Global Land Data Assimilation System GMAO: NASA Global Modeling and Assimilation Office JMA: Japan Meteorological Agency MSC: Meteorological Service Canada NCEP: National Centers for Environmental Prediction NCMRWF: National Center for Medium Range Weather Forecasting UKMO: UK Met Office The Max-Planck Institute for Meteorology (MPIM) in coordination with the ICSU World Data Center for Climate (WDCC) in Hamburg, Germany was designated as the CEOP model output archive center. The WDCC is administered by the Model and Data Group (M&D) at MPIM and the German Climate Computing Center (DKRZ). To assist with the organization of this activity during the Coordinated Enhanced Observing Period ('CEOP'), a Model Output Management Document was drafted as a guide for the participating centers to use in setting up their processes for meeting their commitments to 'CEOP'. The Guidance Document addressed the two issues of (1) the model output variables requested by 'CEOP' and (2) the two types of requested model output, namely global gridded (in GRIB format) and site-specific Model Output Location Time Series (MOLTS) at each of the 'CEOP' Reference Sites. A new version of the Guidance Document will be compiled that clarifies what model output data will be generated by the NWP Centers and Groups contributing to the model output component of Coordinated Energy and Water Cycle Observations Project (CEOP) and how they will interface/transfer the data that will be handled and retained at the WDCC. The issues covered in the document will include: (1) global versus regional products; (2) desired assimilation output; Interval and length of free-running forecasts; (3) Operational versus reanalysis data; (4) the CEOP schedule/archive periods; (5) the number and locations of MOLTS sites; and (6) the homogenizing of the model output and metadata formats (i.e. standard parameters). Results up to this point in the CEOP model output generation effort make it clear that the transfer aspect of the data handling effort has been progressing well. Data from all twelve Centers participating in CEOP have been received at the data archive center and has either been placed into the database at the Hamburg facility, or is in the process of being entered into the database. The current data holdings in the MPIM archive can be viewed http://www.mad.zmaw.de/fileadmin/extern/wdc/ceop/Data_timeline_L_12.pdf.

目前，10个业务数值天气预报（Numerical Weather Prediction，简称NWP）中心和2个数据同化中心正在为协调能量与水循环观测计划（Coordinated Energy and Water Cycle Observations Project，简称CEOP）的这一部分提供来自全球和区域NWP套件的分析/同化及预报模式产品，包括业务系统和再分析系统。

参与中心包括：
BoM：气象局（Bureau of Meteorology）
CPTEC：气候预报与研究中心（Centro de Previsao de Tempo e Estudos Climaticos）
ECMWF：欧洲中期天气预报中心（European Centre for Medium-Range Weather Forecasts）
ECPC：实验气候预测中心（Experimental Climate Prediction Center）
EMC：爱普生气象中心（EPSON Meteo Center，Centro EPSON Meteo）
GLDAS：全球陆面数据同化系统（Global Land Data Assimilation System）
GMAO：美国国家航空航天局全球建模与同化办公室（NASA Global Modeling and Assimilation Office）
JMA：日本气象厅（Japan Meteorological Agency）
MSC：加拿大气象服务局（Meteorological Service Canada）
NCEP：美国国家环境预报中心（National Centers for Environmental Prediction）
NCMRWF：国家中期天气预报中心（National Center for Medium Range Weather Forecasting）
UKMO：英国气象局（UK Met Office）

德国汉堡的马克斯·普朗克气象研究所（Max-Planck Institute for Meteorology，简称MPIM）与国际科学理事会世界气候数据中心（ICSU World Data Center for Climate，简称WDCC）协作，被指定为CEOP模式输出档案中心。WDCC由MPIM的模式与数据组（Model and Data Group，简称M&D）及德国气候计算中心（German Climate Computing Center，简称DKRZ）共同管理。

为协助CEOP期间此项活动的组织工作，起草了《模式输出管理文档》，作为参与中心建立流程以履行其CEOP承诺的指南。该指南涉及两个问题：（1）CEOP要求的模式输出变量；（2）两类所需模式输出，即全球格点数据（GRIB格式）和各CEOP参考站点的特定地点模式输出位置时间序列（Model Output Location Time Series，简称MOLTS）。

将编制新版《指南文档》，以明确参与CEOP模式输出部分的NWP中心及团体将生成哪些模式输出数据，以及他们如何对接/传输将在WDCC处理和保存的数据。文档涵盖的问题包括：（1）全球与区域产品；（2）所需同化输出、自由运行预报的间隔与时长；（3）业务与再分析数据；（4）CEOP的时间安排/归档周期；（5）MOLTS站点的数量与位置；（6）模式输出和元数据格式的同质化（即标准参数）。

截至目前，CEOP模式输出生成工作的结果表明，数据处理的传输环节进展顺利。所有12个参与中心的数据已送达档案中心，部分已存入汉堡设施的数据库，其余正处于入库过程中。MPIM档案中的当前数据存量可通过以下链接查看：http://www.mad.zmaw.de/fileadmin/extern/wdc/ceop/Data_timeline_L_12.pdf。