ENSEMBLES EGMAM 20C3M run3, daily values
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资源简介:
These data represent daily values (daily mean, instantaneous daily output, diurnal cycle) of selected variables for ENSEMBLES (http://www.ensembles-eu.org). The list of output variables can be found in: http://ensembles.wdc-climate.de/output-variables. The model output was prepared for the IPCC Fourth Assessment climate of the 20th Century experiment (20C3M).
The 20th century simulation (1860-2000) is initialized in year 157 of the preindustrial control run (1860 conditions) and forced with changes of greenhouse gas concentartions (CO2, CH4, N2O, CFC-11* and CFC-12; time histories of GHGs concentrations from ENSEMBLES project: http://www.cnrm.meteo.fr/ensembles/public/data).
The datasets are available in netCDF format.
The dataset names are composed of
- centre/model acronym (FUBEMA: Freie Universitaet Berlin / EGMAM (=ECHO-G with Middle Atmosphere and Messy))
- scenario acronym (20C3M)
- run number (1: run 1)
- time interval (MM:monthly mean, DM:daily mean, DC:diurnal cycle, 6H:6 hourly, 12h:12hourly)
- variable acronym [with level value] (e.g. hur850: relative humidity, 850 hPa)
--> example: FUBEMA_20C3M_1_MM_hur850
For this experiment 3 ensemble runs were carried out.
For model output data in higher temporal resolution and more variables contact Falk Niehoerster.
Technical data to this experiment:
The experiment used AGCM MA/ECHAM4 (T30L39) coupled to OGCM HOPE-G (T42 with equator refinement, L20), and was run on a NEC SX-6 (hurrikan.dkrz.de).
本数据集包含了 ENSEMBLES 项目(http://www.ensembles-eu.org)中选定变量的每日平均值、瞬时日输出以及日变化周期数据。输出变量的清单可查阅:http://ensembles.wdc-climate.de/output-variables。模型输出是为 IPCC 第四次评估报告中的 20 世纪气候实验(20C3M)所准备。该世纪模拟(1860-2000 年)基于前工业化控制运行的第 157 年(1860 年条件)进行初始化,并受到温室气体浓度变化的影响(包括 CO2、CH4、N2O、CFC-11* 和 CFC-12;温室气体浓度的历史时间序列数据来源于 ENSEMBLES 项目:http://www.cnrm.meteo.fr/ensembles/public/data)。数据集以 netCDF 格式提供。数据集名称由以下部分组成:
- 中心/模型缩写(FUBEMA:柏林自由大学 / EGMAM(即 ECHO-G 配合中层大气和复杂大气)
- 情景缩写(20C3M)
- 运行编号(1:运行 1)
- 时间间隔(MM:月平均值,DM:日平均值,DC:日变化,6H:6 小时,12h:12 小时)
- 变量缩写[附带层级值](例如 hur850:相对湿度,850 hPa)
---> 示例:FUBEMA_20C3M_1_MM_hur850
对于本实验,共进行了 3 次集合运行。如需获取更高时间分辨率和更多变量的模型输出数据,请联系 Falk Niehoerster。关于本实验的技术数据:实验采用了 MA/ECHAM4(T30L39)大气环流模式与 OGCM HOPE-G(T42 配合赤道细化,L20)海洋环流模式耦合,并在 NEC SX-6(hurrikan.dkrz.de)上运行。
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cera-www.dkrz.de



