搜索结果: 1-15 共查到“地球科学总论 atmospheric”相关记录96条 . 查询时间(0.046 秒)
Atmospheric acidity impacts oceanic ecology
ecological balance atmospheric acidity carbon dioxide
2021/8/5
Increased acidity in the atmosphere is disrupting the ecological balance of the oceans, according to new research. The study looks at acidity's impact on nutrient transport to the ocean and demonstrat...
Volcanic activity and changes in Earth's mantle were key to rise of atmospheric oxygen（图）
Volcanic activity changes Earth mantle were key rise atmospheric oxygen
2020/6/19
Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event. A long-standing puzzle has been that geologic clues suggest early bacteria were photos...
ASAM v2.7: a compressible atmospheric model with a Cartesian cut cell approach
compressible atmospheric model cell approach
2015/3/5
In this work, the fully compressible, threedimensional, nonhydrostatic atmospheric model called All
Scale Atmospheric Model (ASAM) is presented.
Evaluation of North Eurasian snow-off dates in the ECHAM5.4 atmospheric general circulation model
atmospheric general circulation model North Eurasian snow-off dates
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...
Sensitivity of aerosol radiative effects to different mixing assumptions in the AEROPT 1.0 submodel of the EMAC atmospheric-chemistry–climate model
aerosol radiative effects different mixing assumptions
2014/12/19
The modelling of aerosol radiative forcing is a major cause of uncertainty in the assessment of global and regional atmospheric energy budgets and climate change.
HEMCO v1.0: a versatile, ESMF-compliant component for calculating emissions in atmospheric models
HEMCO v1.0 versatile ESMF-compliant component calculating emissions atmospheric models
2014/12/19
We describe the Harvard–NASA Emission Component version 1.0 (HEMCO), a stand-alone software component for computing emissions in global atmospheric models. HEMCO determines emissions from different so...
FLEXINVERT: an atmospheric Bayesian inversion framework for determining surface fluxes of trace species using an optimized grid
atmospheric Bayesian inversion framework optimized grid
2014/12/19
We present a new modular Bayesian inversion
framework, called FLEXINVERT, for estimating the surface
fluxes of atmospheric trace species. FLEXINVERT can be
applied to determine the spatio-tem...
Influence of high-resolution surface databases on the modeling of local atmospheric circulation systems
high-resolution surface databases local atmospheric circulation systems
2014/12/19
Large-eddy simulations are performed using the Advanced Regional Prediction System (ARPS) code at horizontal grid resolutions as fine as 300 m to assess the influence of detailed and updated surface d...
A multiresolution spatial parameterization for the estimation of fossil-fuel carbon dioxide emissions via atmospheric inversions
multiresolution spatial parameterization estimation
2014/12/19
The characterization of fossil-fuel CO2 (ffCO2)
emissions is paramount to carbon cycle studies, but the use
of atmospheric inverse modeling approaches for this purpose has been limited by the highly...
Optimization of a prognostic biosphere model for terrestrial biomass and atmospheric CO2 variability
prognostic biosphere model terrestrial biomass atmospheric CO2 variability
2014/12/19
This study investigates the capacity of a prognostic biosphere model to simulate global variability in atmospheric CO2 concentrations and vegetation carbon dynamics under current environmental conditi...
A flexible three-dimensional stratocumulus, cumulus and cirrus cloud generator (3DCLOUD) based on drastically simplified atmospheric equations and the Fourier transform framework
A flexible three-dimensional stratocumulus cumulus cirrus cloud generator drastically simplified atmospheric equations Fourier transform framework
2014/12/19
The 3DCLOUD algorithm for generating stochastic three-dimensional (3-D) cloud fields is described in this paper. The generated outputs are 3-D optical depth (τ) for stratocumulus and cumulus fields an...
Inherently mass-conservative version of the semi-Lagrangian absolute vorticity (SL-AV) atmospheric model dynamical core
Inherently mass-conservative version semi-Lagrangian absolute vorticity
2014/12/18
The semi-Lagrangian absolute vorticity (SL-AV)
atmospheric model is the global semi-Lagrangian hydrostatic model used for operational medium-range and seasonal
forecasts at the Hydrometeorological C...
Atmospheric inverse modeling with known physical bounds: an example from trace gas emissions
Atmospheric inverse modeling physical bounds
2014/12/18
Many inverse problems in the atmospheric sciences involve parameters with known physical constraintsExamples include nonnegativity (e.g., emissions of some urban air pollutants) or upward limits impli...
AnaWEGE: a weather generator based on analogues of atmospheric circulation
Stochastic weather generator cycle analogues climate change extreme weather generator meteorological observation
2014/12/18
This paper presents a stochastic weather generator based on analogues of circulation (AnaWEGE). Analogues of circulation have been a promising paradigm to analyse climate variability and its extremes....
An improved non-iterative surface layer flux scheme for atmospheric stable stratification conditions
Turbulent flux parameterization iterative calculation results the rough state stability condition the relative error
2014/12/18
Parameterization of turbulent fluxes under stably stratified conditions has always been a challenge. Current surface fluxes calculation schemes either need iterations or suffer low accuracy. In this p...