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IPCC Data Distribution Centre : Fourth Assessment Report data sets

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The Intergovernmental Panel on Climate Change (IPCC) has been established by WMO and UNEP to assess scientific, technical and socio-economic information, relevant for the understanding of climate change, its potential impacts and option for adaption and migration. Projection of future trends for a number of key variables are provided through this section of the DDC (http://ipcc-data.org/sim/gcm_clim/SRES_AR4 ). The SRES scenarios have been constructed to explore future developments in the global enviromental with special reference to the production of greenhouse gases and aerosol precursor emission. A set of four scenario families (A1, A2, B1, B2) have been developed that each of this storylines describes one possible demographic, polito-economic, societal and technological future. Model experiments, also using different forcing scenarios, were calculated at other modeling centres. The data represent a subset of data sets from the IPCC Model Output Archive at PCMDI (https://pcmdi.llnl.gov/mips/cmip3/). _ These datasets are available in netCDF and GRIB format. The dataset names are composed of - centre/model acronym (e.g. MPEH5: Max-Planck-Institute/Echam5) - scenario acronym (e.g. SRB1: SRES B1) - run number (e.g. 1: run 1) - format identifier (e.g. N: netCDF, G: GRIB) - variable acronym [with level value] (e.g. hur850: relative humidity, 850 hPa) --> example: MPEH5_SRB1_1_G_hur850

世界气象组织(WMO)与联合国环境规划署(UNEP)共同设立了政府间气候变化专门委员会(IPCC),旨在评估与气候变化理解相关的科学、技术和社会经济信息,包括气候变化的可能影响以及适应和迁移的方案。本数据集部分通过该委员会数据集中心(DDC)的该部分(http://ipcc-data.org/sim/gcm_clim/SRES_AR4)提供了若干关键变量的未来趋势预测。SRES情景构建旨在探索全球环境未来发展的可能性,特别关注温室气体和气溶胶前体排放。共开发了四个情景系列(A1、A2、B1、B2),每个系列的故事线描述了一种可能的、涵盖人口、政治经济、社会和技术方面的未来。此外,在不同建模中心还进行了使用不同强迫情景的模型实验。数据代表来自PCMDI(https://pcmdi.llnl.gov/mips/cmip3/)的IPCC模型输出存档的数据集子集。这些数据集以netCDF和GRIB格式提供。数据集名称由以下部分组成: - 中心/模型缩写(例如:MPEH5:马克斯·普朗克研究所/Echam5) - 情景缩写(例如:SRB1:SRES B1) - 运行编号(例如:1:运行1) - 格式标识符(例如:N:netCDF,G:GRIB) - 变量缩写[附带层级值](例如:hur850:相对湿度,850 hPa) ---> 示例:MPEH5_SRB1_1_G_hur850
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World Data Center for Climate (WDCC) at DKRZ
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