A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS

A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS

The Eta and Aviation (AVN) driving models of HY-SPLIT are evaluated by means of a case study of the sulphur fire plume at Somerset West (34° 04’ S, 18° 48’ E) which caused sulphur dioxide (SO2) air pollution over Macassar on 16 - 17 December 1995. The HY-SPLIT model is verified by comparing it with...

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Bibliographic Details
Main Authors: J.H Vermeulen, M.T Freiman
Format: Article
Language:English
Published: National Association for Clean Air 2003-06-01
Series:Clean Air Journal
Online Access:https://journals.assaf.org.za/index.php/caj/article/view/7149
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spelling doaj-1310b9b139ce4824a1495edb6d29cd172020-11-25T02:27:09ZengNational Association for Clean AirClean Air Journal2410-972X1017-17032003-06-0113110.17159/caj/2003/13/1.7149A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELSJ.H Vermeulen0M.T Freiman1South African Weather Service, Private Bag X097, Pretoria 0001Climatology Research Group, University of the Witwatersrand, P.O WITS 2050, Johannesburg The Eta and Aviation (AVN) driving models of HY-SPLIT are evaluated by means of a case study of the sulphur fire plume at Somerset West (34° 04’ S, 18° 48’ E) which caused sulphur dioxide (SO2) air pollution over Macassar on 16 - 17 December 1995. The HY-SPLIT model is verified by comparing it with the Lagrangian kinematic trajectory (LKT) model. Plume dispersions and depositions of the HY-SPLIT model for the Eta and AVN driving models are compared with Eta model winds. Eta model winds for a grid point close to the fire are verified against radiosonde data and synoptic observations. Results indicate that the finer-resolution regional Eta model has the higher accuracy. https://journals.assaf.org.za/index.php/caj/article/view/7149
collection DOAJ
language English
format Article
sources DOAJ
author J.H Vermeulen
M.T Freiman
spellingShingle J.H Vermeulen
M.T Freiman
A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS
Clean Air Journal
author_facet J.H Vermeulen
M.T Freiman
author_sort J.H Vermeulen
title A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS
title_short A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS
title_full A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS
title_fullStr A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS
title_full_unstemmed A LONG-RANGE ATMOSPHERIC TRANSPORT MODEL (HY-SPLIT) FOR ENVIRONMENTAL EMERGENCY RESPONSE (EER): EVALUATION OF DRIVING MODELS
title_sort long-range atmospheric transport model (hy-split) for environmental emergency response (eer): evaluation of driving models
publisher National Association for Clean Air
series Clean Air Journal
issn 2410-972X
1017-1703
publishDate 2003-06-01
description The Eta and Aviation (AVN) driving models of HY-SPLIT are evaluated by means of a case study of the sulphur fire plume at Somerset West (34° 04’ S, 18° 48’ E) which caused sulphur dioxide (SO2) air pollution over Macassar on 16 - 17 December 1995. The HY-SPLIT model is verified by comparing it with the Lagrangian kinematic trajectory (LKT) model. Plume dispersions and depositions of the HY-SPLIT model for the Eta and AVN driving models are compared with Eta model winds. Eta model winds for a grid point close to the fire are verified against radiosonde data and synoptic observations. Results indicate that the finer-resolution regional Eta model has the higher accuracy.
url https://journals.assaf.org.za/index.php/caj/article/view/7149
work_keys_str_mv AT jhvermeulen alongrangeatmospherictransportmodelhysplitforenvironmentalemergencyresponseeerevaluationofdrivingmodels
AT mtfreiman alongrangeatmospherictransportmodelhysplitforenvironmentalemergencyresponseeerevaluationofdrivingmodels
AT jhvermeulen longrangeatmospherictransportmodelhysplitforenvironmentalemergencyresponseeerevaluationofdrivingmodels
AT mtfreiman longrangeatmospherictransportmodelhysplitforenvironmentalemergencyresponseeerevaluationofdrivingmodels
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