[PDF] Top 20 Effects of model chemistry and data biases on stratospheric ozone assimilation
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Effects of model chemistry and data biases on stratospheric ozone assimilation
... between ozone observations and the photochem- ical reference states ...improve ozone analyses at higher altitudes when assimilating largely unbi- ased ozone (and temperature) ... See full document
19
Antarctic ozone depletion between 1960 and 1980 in observations and chemistry–climate model simulations
... chemical and dynamical performance of the models, their underestimation of the ozone loss might be related to a sampling bias of the CCMs that include high latitudes with little ... See full document
9
Solar cycle variations of stratospheric ozone and temperature in simulations of a coupled chemistry-climate model
... depends on factors such as data resolution. In gen- eral, the model agrees reasonably well with HALOE data, but doesn’t reproduce the upper stratospheric results of the SAGE ... See full document
14
Two mechanisms of stratospheric ozone loss in the Northern Hemisphere, studied using data assimilation of Odin/SMR atmospheric observations
... the data assimilation (DA) technique using a transport model to estimate the ozone loss as demonstrated earlier (Rösevall et ...Isentropic Assimilation Model for OdiN ... See full document
13
Representation of the Community Earth System Model (CESM1) CAM4-chem within the Chemistry-Climate Model Initiative (CCMI)
... the model is nudged to Modern- Era Retrospective Analysis for Research and Applications (MERRA) ...performance of the three reference simulations suggested by CCMI, with a fo- cus on the last ... See full document
38
Effects of stratospheric ozone recovery on tropospheric chemistry and air quality
... the model results discussed in this study refer to the 3 yr ...the stratospheric ozone depletion in the past decades, which varies significantly with season and ...in stratospheric ... See full document
27
The SPRINTARS version 3.80/4D-Var data assimilation system: development and inversion experiments based on the observing system simulation experiment framework
... modelling of black carbon emissions with the STEM 4D-Var ...emission and particle size distributions of extreme dust storms over East Asia with an in situ lidar network and the ... See full document
18
Stratospheric impact on tropospheric ozone variability and trends: 1990–2009
... much of this remarkable ozone increase, an increase driven by the increased emissions of ozone precursors associ- ated with ...spheric ozone over the last few decades has proven more ... See full document
52
Effect Of Shape And Plan Configuration On Seismic Response Of Structure
... topic of seismic loads and analysis has become of increasing importance in all over the ...frequency of large magnitude seismic events that have been witnessed, often in large metropolitan ... See full document
5
Evaluating the influence of selected parameters on sensitivity of a numerical model of solidification
... evaluation of influence of selected parameters on sensitivity of a numerical model of ...investigated model is based on the heat conduction equation with a heat ... See full document
6
Quantitative social dialectology: explaining linguistic variation geographically and socially.
... distance) and frequency jointly predict distance from the standard language, we first calculated the fitted GAM distance for each ...distance and word frequency as predictors, weighted by the weights ... See full document
14
An evaluation of the performance of chemistry transport models by comparison with research aircraft observations. Part 1: Concepts and overall model performance
... TM3 and TOMCAT the CTM2 model tends to overestimate ozone in the upper troposphere, pos- sibly also due to too strong downward ...tical model resolution appears not to be the dominant fac- tor ... See full document
23
Impact of data assimilation of physical variables on the spring bloom from TOPAZ operational runs in the North Atlantic
... spin-up of the ecosystem model we run the model on a coarse domain (∼50 km resolution) in the North Atlantic, hereafter called ...vertical and because this model was intended for ... See full document
13
Data assimilation in atmospheric chemistry models: current status and future prospects for coupled chemistry meteorology models
... importance of the initial model state and emissions of primary pollutants have been carried out with the SILAM chemistry transport model ...variational data ... See full document
34
Accuracy analysis of the GPS instrumental bias estimated from observations in middle and low latitudes
... tendency of the RMS value of the satellite instrumental bias is that the RMS values estimated from the data observed in the low latitude region is larger than that es- timated from the data in ... See full document
10
J. Braz. Chem. Soc. vol.10 número3
... Speciation of organic gases is not available for Rio de ...ethanol and acetalde- hyde concentrations are substantially higher than those measured elsewhere and also acetaldehyde concentrations are ... See full document
6
Effect of different emission inventories on modeled ozone and carbon monoxide in Southeast Asia
... one model domain was configured to cover the entire area of Southeast Asia and a part of China and India ...The model was run with a horizontal grid spacing of 36 km ... See full document
30
The ASSET intercomparison of ozone analyses: method and first results
... description of stratospheric chemistry and microphysics of ...advected and interact through 143 gas-phase reac- tions, 48 photolysis reactions and 9 heterogeneous ... See full document
83
Value-Added Business Based On Small Scale Of Fisheries A Case Study On Nortern And Shouthern Coasts Of Java Lamongan And Pelabuhanratu Regency Indonesia
... development of fisheries sector was expected to keep the economy growth stable, to absorb more labor forces, to produce high foreign exchange, and the most important thing is to increase the income per ... See full document
6
Effect of water glass modification with nanoparticles of zinc oxide on selected physical and chemical properties of binder and mechanical properties of sand mixture
... generation of materials are used in many ...down and bottom-up techniques. The essence of the top-down technique consists in grinding the material to particles with nano dimensions, while the ... See full document
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