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Record W2384329922

Composite model of multi-dimension multi-box model and Gauss model for atmospheric capacity study

2007· article· en· W2384329922 on OpenAlexaboutno aff
Lifang Wu

Bibliographic record

VenueApplied Mechanics and Materials · 2007
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicRemote Sensing and Land Use
Canadian institutionsnot available
Fundersnot available
KeywordsBeijingPollutantAir quality indexEnvironmental scienceBox modelMeteorologyAtmospheric modelGeography
DOInot available

Abstract

fetched live from OpenAlex

This paper aims to report its authors' new approach to testing the atmospheric environment and the testing of the local pollutant sources distribution in Beijing Municipality area by applying a newly developed composite simulation model. As a matter of fact, the so-called multi-dimensional multi-box model is an innovation brought forward by Beijing University of Technology and Regina University (Canada). The model is designated for studying the physical and chemical pollutant removing mechanism, testing of vertical and horizontal diffusion of the air pollutants and the changes of weather conditions in a 24-hour and all-weather basis. The model can also be used to forecast the weather and atmospheric quality in different cities, particularly designated for simulating PM_ 10 pollutant concentrations in Beijing. To establish a multi-dimensional multi-box model, we have divided the whole city into 38 sub-boxes according to the geographical locations and into 3 strata vertically according to the atmospheric spaces. Then, the model can further be divided into 114 sub-boxes, including the upper strata, and quality-balance equation groups to be measured in four directions(N, S, E and W), respectively. Gauss model is adopted also to forecast the air pollutant diffusion from all the main point sources. Comparing all the related study results with the indications in the international popular model-3, we have found that the expected pollutant distribution concentrations as well as the atmospheric environment capacity indicators gained from the composite model and multi-dimensional model are very much similar. The so-called atmospheric environmental capacity here mentioned is referred to as the optimal amount of the atmospheric emission if it can meet the state atmospheric environment quality standard at some areas and in some phases. Based on the forecasting of the atmospheric pollutant concentration, we have evaluated the atmospheric environmental capacity in Beijing which is indeed below the state atmospheric environment quality standard, and the atmospheric PM_ 10 capacities of different standard areas are retrieved. Compared with the ground monitoring data,it can be found that the evaluation results are reliable. Hence, the models illustrated above are expected to be effectively used to simulate China's atmospheric environmental capacity.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.638
Threshold uncertainty score0.623

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.043
GPT teacher head0.239
Teacher spread0.196 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2007
Admission routes1
Has abstractyes

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