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SOME CHARACTERISTICS OF ATMOSPHERIC BOUNDARY LAYER OVER MAKASSAR

Jurnal Ilmu Kelautan SPERMONDE · Vol. UME (2018) · pp. 1–6

DOI
10.20956/jiks.v4i1.3797
ISSN
2614-5049, 2460-0156
Published
2018-04-03
Publisher
Hasanuddin University
Language
en
License
creativecommons.org/licenses/by-nc/4.0

Abstract

Some upper air atmospheric parameters measured during period of 2011-2016 by means of radiosonde located at Hasanuddin International Airport were examined for characterization of boundary layer over Makassar, Indonesia. These data, combined with surface atmospheric parameters were used to calculate some boundary layer parameters using AERMET model which based on Monin-Obukhov similarity theory. The obtained Monin-Obukhov length which reflecting atmospheric stability then converted into traditional Pasquill-Gifford stability classification. Examination of wind characteristics of wind showing clearly their dependence of the day, season and height. Winds dominantly flows from the southeast during the daytime with the relatively larger velocity and from the northwest with smaller velocity during the nighttime. Interpretation of monin-obukhov length using Pasquill-Gifford stability classification showing that the atmosphere was dominantly unstable during the daytime and dominantly stable during the nighttime. These atmospheric stabilities were also varied during seasons. The height of convective boundary layer (CBL) was start to rise in the morning and reaching its maximum in the afternoon (18:00) at the mean value of 2 km. Meanwhile, the height of mechanical boundary layer (MBL) during the day time forming parabolic curve with its maximum value of 1.2 km at noon. These indicated that any released pollution from the stack will be less dispersed during the nighttime due to the fact of lower mixing height, lower wind speed, atmosphere become more stable, and it dispersed in different direction compare to the daytime.

Keywords

Collaboration network of the authors

31 authors · 77 co-authorship links

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  • Universitas Halu Oleo
  • Affiliation unknown
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Co-authorOrganisationJoint articles
La RabaniUniversitas Halu Oleo1
Achmad Yasir BaedaAffiliation unknown1
Chairul PaotonanAffiliation unknown1
Sabaruddin RahmanAffiliation unknown1
Hasdinar UmarAffiliation unknown1
Muhammad AksarAffiliation unknown1
Muhammad Arsyad ThahaAffiliation unknown1
Rahmi Rizqi AmaliaAffiliation unknown1
Dadang Ahmad SuriamihardjaAffiliation unknown1
Baharuddin BaharuddinAffiliation unknown1
Amiruddin AmiruddinAffiliation unknown1
Makhrani MakhraniAffiliation unknown1
Muhammad Hamzah SyahruddinAffiliation unknown1
Halmar HalideAffiliation unknown1
Farid SamawiAffiliation unknown1
Sry Swarni Abu BakarAffiliation unknown1
Supriadi MashorengAffiliation unknown1
Rantih IsyriniAffiliation unknown1
Dwi Fajriati InakuAffiliation unknown1
Sheryl AlpriantiAffiliation unknown1
Mahatma LanuruAffiliation unknown1
Amir Hamzah MuhiddinAffiliation unknown1
Marzuki UkkasAffiliation unknown1
Firly MaulanaAffiliation unknown1
Rahmadi TambaruAffiliation unknown1
Andi NiartiningsihAffiliation unknown1
Inayah YasirAffiliation unknown1
Nur Afifa NawingAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unhas.ac.id/index.php/jiks/oai, first harvested 4 Nov 2026, last seen 4 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">SOME CHARACTERISTICS OF ATMOSPHERIC BOUNDARY LAYER OVER MAKASSAR</dc:title>
	<dc:creator xml:lang="en">Assegaf, Alimuddin Hamzah</dc:creator>
	<dc:creator xml:lang="en">Samad, Wasir</dc:creator>
	<dc:creator xml:lang="en">Sakka, Sakka</dc:creator>
	<dc:subject xml:lang="en">atmospheric boundary layer</dc:subject>
	<dc:subject xml:lang="en">atmospheric stability</dc:subject>
	<dc:subject xml:lang="en">AERMET</dc:subject>
	<dc:subject xml:lang="en">boundary layer height</dc:subject>
	<dc:description xml:lang="en">Some upper air atmospheric parameters measured during period of 2011-2016 by means of radiosonde located at Hasanuddin International Airport were examined for characterization of boundary layer over Makassar, Indonesia. These data, combined with surface atmospheric parameters were used to calculate some boundary layer parameters using AERMET model which based on Monin-Obukhov similarity theory. The obtained Monin-Obukhov length which reflecting atmospheric stability then converted into traditional Pasquill-Gifford stability classification. Examination of wind characteristics of wind showing clearly their dependence of the day, season and height. Winds dominantly flows from the southeast during the daytime with the relatively larger velocity and from the northwest with smaller velocity during the nighttime. Interpretation of monin-obukhov length using Pasquill-Gifford stability classification showing that the atmosphere was dominantly unstable during the daytime and dominantly stable during the nighttime. These atmospheric stabilities were also varied during seasons. The height of convective boundary layer (CBL) was start to rise in the morning and reaching its maximum in the afternoon (18:00) at the mean value of 2 km. Meanwhile, the height of mechanical boundary layer (MBL) during the day time forming parabolic curve with its maximum value of 1.2 km at noon. These indicated that any released pollution from the stack will be less dispersed during the nighttime due to the fact of lower mixing height, lower wind speed, atmosphere become more stable, and it dispersed in different direction compare to the daytime.</dc:description>
	<dc:publisher xml:lang="en">Hasanuddin University</dc:publisher>
	<dc:date>2018-04-03</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/vnd.openxmlformats-officedocument.wordprocessingml.document</dc:format>
	<dc:identifier>https://journal.unhas.ac.id/index.php/jiks/article/view/3797</dc:identifier>
	<dc:identifier>10.20956/jiks.v4i1.3797</dc:identifier>
	<dc:source xml:lang="en">Jurnal Ilmu Kelautan SPERMONDE; VOLUME 4 NUMBER 1, 2018; 1-6</dc:source>
	<dc:source>2614-5049</dc:source>
	<dc:source>2460-0156</dc:source>
	<dc:source>10.20956/jiks.v4i1</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/jiks/article/view/3797/2177</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2018 Jurnal Ilmu Kelautan SPERMONDE</dc:rights>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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