搜索结果: 1-15 共查到“地球科学总论 estimation”相关记录43条 . 查询时间(0.294 秒)
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...
Improving computational efficiency in large linear inverse problems: an example from carbon dioxide flux estimation
computational efficiency large linear inverse problems carbon dioxide flux estimation
2014/12/12
Addressing a variety of questions within Earth science disciplines entails the inference of the spatiotemporal distribution of parameters of interest based on observations of related quantities. Such ...
Assimilating water column and satellite data for marine export production estimation
Assimilating water column satellite data marine export production estimation
2014/12/12
Recent advances in satellite retrieval methodology now allow for estimation of particular organic carbon (POC) concentration in ocean surface waters directly from satellite-based optical data. Because...
Estimation of Basal Area in West Oak Forests of Iran Using Remote Sensing Imagery
Northern Zagros Forests Basal Area SPOT-5 Data
2013/3/7
The objective of this study is to evaluate the capability of satellite imagery for the estimation of basal area in Northern Zagros Forests. The data of the high resolution geometric (HRG) sensor of SP...
Quantitative Estimation of Coastal Changes Along Selected Locations of Karnataka, India: A GIS and Remote Sensing Approach
Coastal Geomorphology Shoreline Coastal zone Erosion Accretion Beach
2013/3/7
Qualitative and quantitative studies on changes of coastal geomorphology and shoreline of Karnataka, India have been carried out using toposheets of Survey of India and satellite imageries (IRS-P6 and...
Kernel Density Estimation of Tropical Cyclone Frequencies in the North Atlantic Basin
Atlantic Tropical Cyclone Frequencies Decadal Centroid Patterns
2013/3/6
Previous research has identified specific areas of frequent tropical cyclone activity in the North Atlantic basin. This study examines long-term and decadal spatio-temporal patterns of Atlantic tropic...
Estimation of the Degree of Saturation of Shallow Soils from Satellite Observations to Model Soil Slips Occurred in Emilia Romagna Region of Northern Italy
Degree of Saturation Soil Slip Satellite Observations
2013/3/6
For the development of alert systems for soil slip occurrence, it is important to evaluate the degree of saturation of shallow soils (Sr) over wide areas. Taking into account the possibility to estima...
Application of the Bayesian calibration methodology for the parameter estimation in CoupModel
Bayesian calibration methodology CoupModel
2010/2/3
This study provides results for the optimization strategy of highly parameterized models, especially with a high number of unknown input parameters and joint problems in terms of sufficient parameter ...
Dual-polarization C-band weather radar algorithms for rain rate estimation and hydrometeor classification in an alpine region
Dual-polarization C-band weather rain rate
2010/2/3
Dual polarization is becoming the standard for new weather radar systems. In contrast to conventional weather radars, where the reflectivity is measured in one polarization plane only, a dual polariza...
Mediterranean offshore extreme wind analysis from the 44-year HIPOCAS database: different approaches towards the estimation of return periods and levels of extreme values
wind extreme values
2010/1/27
The present contribution addresses the performance of a statistical extreme wind analysis over the whole Mediterranean Basin. Estimations of return periods and levels are obtained over offshore areas ...
A TRMM-Calibrated infrared technique for rainfall estimation: application on rain events over eastern Mediterranean
A TRMM-Calibrated infrared technique rainfall estimation
2010/1/27
The aim is to evaluate the use of a satellite infrared (IR) technique for estimating rainfall over the eastern Mediterranean. The Convective-Stratiform Technique (CST), calibrated by coincident, physi...
Rainfall estimation and ground clutter rejection with dual polarization weather radar
Rainfall estimation ground clutter rejection
2010/1/27
Conventional radars, used for atmospheric remote sensing, usually operate at a single polarization and frequency to estimate storm parameters such as rainfallrate and water content.
A contribution to improved flood magnitude estimation in base of palaeoflood record and climatic implications–Guadiana River(Iberian Peninsula)
flood magnitude estimation palaeoflood record climatic implications
2009/12/16
The Guadiana River has a significant record of historical floods, but the systematic data record is only 59 years. From layers left by ancient floods we know about we can add new data to the record, a...
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...
A model for the estimation of storm losses and the identification of severe winter storms in Germany
storm losses severe winter storms Germany
2009/12/10
A storm loss model for Germany is presented. Input data to the model are the daily maximum gust wind speeds measured at stations distributed over the country. The individual daily peak gust values are...