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THE REGIONAL DIFFERENCES OF GPP ESTIMATION BY SOLAR INDUCED FLUORESCENCE
Gross primary productivity Solar-induced chlorophyll fluorescence, Temperature Precipitation Simple linear regression analysis Determination coefficient
2018/5/15
Estimating gross primary productivity (GPP) at large spatial scales is important for studying the global carbon cycle and global climate change. In this study, the relationship between solar-induced c...
The sensitivity of secondary organic aerosol component partitioning to the predictions of component properties – Part 1: A systematic evaluation of some available estimation techniques
secondary organic aerosol component component properties estimation techniques
2010/11/29
A large number of calculations of the absorptive partitioning of organic compounds have been made using a number of methods to predict the component vapour pressures, p0, and activity coefficients, γi...
Estimation of ECHAM5 climate model closure parameters with adaptive MCMC
ECHAM5 climate model closure parameters adaptive MCMC
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...
The importance of transport model uncertainties for the estimation of CO2 sources and sinks using satellite measurements
transport model uncertainties CO2 sources and sinks satellite measurements
2010/11/3
This study presents a synthetic model intercomparison to investigate the importance of transport model errors for estimating the sources and sinks of CO2 using satellite measurements. The experiments ...
Improved agreement of AIRS tropospheric carbon monoxide products with other EOS sensors using optimal estimation retrievals
AIRS tropospheric carbon monoxide products other EOS sensors optimal estimation retrievals
2010/10/11
We present in this paper an alternative retrieval algorithm for the Atmospheric Infrared Sounder (AIRS) tropospheric Carbon Monoxide (CO) products using the Optimal Estimation (OE) technique, which is...
GOMOS data characterisation and error estimation
GOMOS data characterisation error estimation
2010/10/11
The Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument uses stellar occultation technique for monitoring ozone, other trace gases and aerosols in the stratosphere and mesosphere. The s...
Technical Note: Trend estimation from irregularly sampled, correlated data
Trend estimation irregularly sampled and correlated data
2010/8/16
Estimation of a trend of an atmospheric state variable is usually performed by fitting a linear regression line to a set of data of this variable sampled at different times. Often these data are irreg...
Estimation of Antarctic ozone loss from ground-based total column measurements
Antarctic ozone ground-based total column measurements
2010/8/16
The passive tracer method is used to estimate ozone loss from ground-based measurements in the Antarctic. A sensitivity study shows that the ozone depletion can be estimated within an accuracy of ~4%....
Technical Note: Vapor pressure estimation methods applied to secondary organic aerosol constituents from α-pinene oxidation: an intercomparison study
Vapor pressure estimation methods secondary organic aerosol constituents α-pinene oxidation
2010/8/16
We applied and compared seven vapor pressure estimation methods to the condensable compounds generated in the oxidation of α-pinene, as described by the state-of-the-art mechanism of the BOREAM model ...
Inter-comparison of source apportionment models for the estimation of wood burning aerosols during wintertime in an Alpine city (Grenoble, France)
source apportionment models wood burning aerosols wintertime an Alpine city
2010/8/13
The emission of organic aerosols (OA) in the ambient air by residential wood burning is nowadays a subject of great scientific concern and a growing number of studies aim at apportioning the influence...
Optimal estimation retrieval of aerosol microphysical properties from SAGE~II satellite observations in the volcanically unperturbed lower stratosphere
Optimal estimation aerosol microphysical properties SAGE~II satellite observations lower stratosphere
2010/8/12
Stratospheric aerosol particles under non-volcanic conditions are typically smaller than 0.1 μm. Due to fundamental limitations of the scattering theory in the Rayleigh limit, these tiny particles are...
Technical Note: A new coupled system for global-to-regional downscaling of CO2 concentration estimation
A new coupled system global-to-regional CO2 concentration estimation
2010/8/12
We introduce a global-to-regional nesting scheme for atmospheric transport models used in simulating concentrations of green house gases from globally distributed surface fluxes. The coupled system of...
The critical assessment of vapour pressure estimation methods for use in modelling the formation of atmospheric organic aerosol
vapour pressure estimation methods atmospheric organic aerosol critical assessment
2010/2/1
A selection of models for estimating vapour pressures have been tested against experimental data for a set of compounds selected for their particular relevance to the formation of atmospheric aerosol ...
Parameter estimation in an atmospheric GCM using the Ensemble Kalman Filter
Parameter estimation atmospheric GCM Ensemble Kalman Filter
2009/11/9
We demonstrate the application of an efficient multivariate probabilistic parameter estimation method to a spectral primitive equation atmospheric GCM. The method, which is based on the Ensemble Kalma...
Observing extreme events in incomplete state spaces with application to rainfall estimation from satellite images
extreme events incomplete state spaces rainfall estimation satellite images
2009/11/9
Reconstructing the dynamics of nonlinear systems from observations requires the complete knowledge of its state space. In most cases, this is either impossible or at best very difficult. Here, by usin...