搜索结果: 1-15 共查到“地球科学总论 Parameters”相关记录41条 . 查询时间(0.14 秒)
Optimization of NWP model closure parameters using total energy norm of forecast error as a target
NWP model closure parameters forecast error
2014/12/19
We explore the use of dry total energy norm in
improving numerical weather prediction (NWP) model forecast skill. The Ensemble Prediction and Parameter Estimation System (EPPES) is utilized to estima...
SimSphere model sensitivity analysis towards establishing its use for deriving key parameters characterising land surface interactions
SimSphere model sensitivity establishing
2014/12/19
Being able to accurately estimate parameters characterising land surface interactions is currently a key scientific priority due to their central role in the Earth’s global
energy and water cyc...
CycloTRACK (v1.0) – tracking winter extratropical cyclones based on relative vorticity: sensitivity to data filtering and other relevant parameters
winter extratropical cyclones relative vorticity sensitivity to data filtering other relevant parameters
2014/12/19
In this study we present a new cyclone identification and tracking algorithm, cycloTRACK. The algorithm describes an iterative process. At each time step it identifies all potential cyclone centers, d...
ECOCLIMAP-II/Europe: a twofold database of ecosystems and surface parameters at 1 km resolution based on satellite information for use in land surface, meteorological and climate models
ECOCLIMAP-II/Europe ecosystems and surface parameters 1 km resolution satellite information land surface meteorological climate models
2014/12/16
The overall objective of the present study is to introduce the new ECOCLIMAP-II database for Europe, which is an upgrade for this region of the former initiative, ECOCLIMAP-I, already implemented at g...
Development of high resolution land surface parameters for the Community Land Model
high resolution land surface parameters Community Land Model
2014/12/10
There is a growing need for high-resolution land surface parameters as land surface models are being applied at increasingly higher spatial resolution offline as well as in regional and global models....
Calculation of Constitutive Parameters from Electric and Magnetic Field Measurements in an Anisotropic Medium with a Triaxial Instrument
Electrical Anisotropy Triaxial Measurement Electric and Magnetic Dipoles
2013/3/11
A hypothetical electric and magnetic induction tensor is considered in an anisotropic medium. The sources are magnetic dipoles. In such a medium, constitute parameters can be calculated by combining e...
Software to Estimate Earthquake Spectral and Source Parameters
Spectral Parameters Source Parameters EQ_SRC_PARA
2013/3/11
A software (EQK_SRC_PARA) has been developed to estimate spectral parameters of earthquake source spectrum, namely: low frequency displacement spectral level (Ω0), corner frequency above which spectru...
Relationships between Hydraulic Parameters of the Nubian Aquifer and Wells in El Shab Area, South Western Desert, Egypt (A Case Study)
Nubian Sandstone Aquifer Transmissivity Specific Capacity
2013/3/11
For proper water management in the new reclaimed areas, hydraulic parameters of both aquifer and wells related to transmissivity, specific capacity, well loss, formation loss, and water entrance veloc...
Correlation of Seismic P-Wave Velocities with Engineering Parameters (N Value and Rock Quality) for Tropical Environmental Study
Geoscientists Geophysical N Value Rock Quality Environmental
2013/3/11
The physical parameters of the subsurface from the environmental site investigation are important for geoscientists and engineers to understand and very low cost-effective method, especially when comb...
Groundwater Contamination Prediction Using Finite Element Derived Geoelectric Parameters Constrained by Chemical Analysis around a Sewage Site, Southwestern Nigeria
Contamination Finite Element Sewage Groundwater Nigeria
2013/3/7
Vertical Electrical Sounding, the Finite Element Technique (FET) and chemical analysis of soil samples were used to map the pollution plume around two oxidation sewage ponds in Ile-Ife, Southwestern N...
A statistical analysis of sounding derived indices and parameters for extreme and non-extreme thunderstorm events over Cyprus
A statistical analysis sounding derived indices parameters for extreme and non-extreme thunderstorm events over Cyprus
2010/9/13
The main purpose of this study is to provide a simple statistical analysis of several stability indices and parameters for extreme and non-extreme thunderstorm events during the period 1997 to 2001 in...
Microwave scattering from ice crystals: how much parameters can differ from equal volume spheres
Microwave scattering from ice crystals parameters equal volume spheres
2010/9/10
The scattering properties of ice crystals at centimeter and millimeter wavelengths are fundamental for their measurement with radars or radiometers as well as for many other applications in remote sen...
Preliminary evaluation of polarimetric parameters from a new dual-polarization C-band weather radar in an alpine region
Preliminary evaluation of polarimetric parameters new dual-polarization C-band weather radar alpine region
2010/9/10
The first operational weather radar with dual polarization capabilities was recently installed in Austria. The use of polarimetric radar variables rises several expectations: an increased accuracy of ...
Power law relationship between parameters of earthquakes and precursory electrical phenomena revisited
Power law relationship parameters of earthquakes precursory electrical phenomena
2009/12/16
The power law relation between the stress drop of "non thrust" earthquakes and the lead time of precursory Seismic Electric Signals (SES), obtained by Dologlou (2008a), has been tested by using additi...
Estimation of the seismic hazard parameters for various sites in Greece using a probabilistic approach
seismic hazard parameters various sites Greece probabilistic approach
2009/12/14
The probabilistic approach that was recently introduced by Kijko and Graham (1998,1999) was applied for the estimation of seismic hazard for various sites in Greece in terms of peak ground acceleratio...