搜索结果: 1-15 共查到“理学 ECHAM5”相关记录34条 . 查询时间(0.042 秒)
Evaluation of North Eurasian snow-off dates in the ECHAM5.4 atmospheric general circulation model
atmospheric general circulation model North Eurasian snow-off dates
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2014/12/19
The timing of springtime end of snowmelt (snow-off date) in northern Eurasia in version 5.4 of the ECHAM5 atmospheric general circulation model (GCM) is evaluated through comparison with a snow-off da...
Stable water isotopes in the coupled atmosphere–land surface model ECHAM5-JSBACH
Stable water isotopes coupled atmosphere–land surface model ECHAM5-JSBACH
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2014/12/12
In this study we present first results of a new model development, ECHAM5-JSBACH-wiso, where we have incorporated the stable water isotopes H218O and HDO as tracers in the hydrological cycle of the co...
Evaluation of the sectional aerosol microphysics module SALSA implementation in ECHAM5-HAM aerosol-climate model
the sectional aerosol microphysics module SALSA ECHAM5-HAM aerosol-climate model
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2014/12/10
We present the implementation and evaluation of a sectional aerosol microphysics module SALSA within the aerosol-climate model ECHAM5-HAM. This aerosol microphysics module has been designed to be flex...
Aerosol nucleation and its role for clouds and Earth's radiative forcing in the aerosol-climate model ECHAM5-HAM
Aerosol nucleation clouds and Earth's radiative forcing the aerosol-climate model ECHAM5-HAM
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2010/11/30
Nucleation from the gas phase is an important source of aerosol particles in the Earth's atmosphere, contributing to the number of cloud condensation nuclei, which form cloud droplets. We have impleme...
Estimation of ECHAM5 climate model closure parameters with adaptive MCMC
ECHAM5 climate model closure parameters adaptive MCMC
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2010/11/3
Climate models contain closure parameters to which the model climate is sensitive. These parameters appear in physical parameterization schemes where some unresolved variables are expressed by predefi...
Evaluation of simulated aerosol properties with the aerosol-climate model ECHAM5-HAM using observations from the IMPACT field campaign
simulated aerosol properties the aerosol-climate model ECHAM5-HAM the IMPACT field campaign
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2010/8/25
In May 2008, the measurement campaign IMPACT for observation of atmospheric aerosol and cloud properties was conducted in Cabauw, The Netherlands. With a nudged version of the coupled aerosol-climate ...
Quantification of DMS aerosol-cloud-climate interactions using the ECHAM5-HAMMOZ model in a current climate scenario
DMS aerosol-cloud-climate interactions the ECHAM5-HAMMOZ model a current climate scenario
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2010/8/16
The contribution of ocean dimethyl sulfide (DMS) emissions to changes in cloud microphysical properties is quantified seasonally and globally for present day climate conditions using an aerosol-chemis...
Energetic particle precipitation in ECHAM5/MESSy – Part 2: Solar proton events
Energetic particle precipitation ECHAM5/MESSy Solar proton events
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2010/8/16
The atmospheric chemistry general circulation model ECHAM5/MESSy (EMAC) has been extended by processes that parameterize particle precipitation. Several types of particle precipitation that directly a...
Sensitivity of tracer transport to model resolution, prescribed meteorology and tracer lifetime in the general circulation model ECHAM5
model resolution prescribed meteorology tracer lifetime the general circulation model ECHAM5
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2010/8/12
Atmospheric transport of traces gases and aerosols plays an important role in the distribution of air pollutants and radiatively active compounds. For model simulations of chemistry-climate interactio...
Influences of in-cloud aerosol scavenging parameterizations on aerosol concentrations and wet deposition in ECHAM5-HAM
in-cloud aerosol aerosol concentrations ECHAM5-HAM
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2010/2/21
A diagnostic cloud nucleation scavenging scheme, which determines stratiform cloud scavenging ratios for both aerosol mass and number distributions, based on cloud droplet, and ice crystal number conc...
基于ECHAM5模式预估2050年前中国旱涝格局趋势
旱涝格局 标准化降水指数（SPI） ECHAM5/MPI-OM气候模式 排放情景 中国
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2009/8/28
利用ECHAM5/MPI-OM气候模式输出的2001-2050年逐月降水量资料，考虑IPCC采用的3种排放情景（A2：温室气体高排放情景；A1B:温室气体中排放情景；B1：温室气体低排放情景），计算其标准化降水指数,分析了中国2050年前3种排放情景下的旱涝格局。结果表明：3种情景下旱涝趋势空间分布不同，其中A2情景下旱涝格局同1961-2000年观测到的旱涝格局相似，均存在一条由东北向西南的干旱...
根据松花江流域1961-2000年观测气温、降水量资料和ECHAM5/MPI-OM模式对该流域21世纪前50 a气候变化的预估结果，分析了松花江流域1961-2000年年平均气温和年降水量变化，并对21世纪前50 a气温和降水量变化趋势进行了预估。结果表明，在全球变暖的背景下，作为中国气候变暖区域响应的先锋，松花江流域年平均气温自1980年代初持续升高，升温幅度比较显著；年降水量在1961-200...
Evaluation of CLaMS, KASIMA and ECHAM5/MESSy1 simulations in the lower stratosphere using observations of Odin/SMR and ILAS/ILAS-II
CLaMS KASIMA ECHAM5/MESSy1 Odin/SMR ILAS/ILAS-II
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2009/8/18
1-year data sets of monthly averaged nitrous oxide (N2O) and ozone (O3) derived from satellite measurements were used as a tool for the evaluation of atmospheric photochemical models. Two 1-year data ...
Aerosol microphysics modules in the framework of the ECHAM5 climate model–intercomparison under stratospheric conditions
Aerosol microphysics modules framework ECHAM5 climate model stratospheric conditions
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2010/2/5
In this manuscript, we present an intercomparison of three different aerosol microphysics modules that are implemented in the climate model ECHAM5. The comparison was done between the modal aerosol mi...
Aerosol size-dependent below-cloud scavenging by rain and snow in the ECHAM5-HAM
size-dependent below-cloud scavenging rain snow ECHAM5-HAM
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2009/7/23
Wet deposition processes are highly efficient in the removal of aerosols from the atmosphere, and thus strongly influence global aerosol concentrations, and clouds, and their respective radiative forc...