KONSEP POLA SPASIAL PENGEMBANGAN KONEKTIVITAS DAN INFRASTRUKTUR PANTAI SERTA KAJIAN ASPEK DINAMIKA PANTAI UNTUK PENANGANAN PERMASALAHAN DI TELUK SEMARANG = CONCEPT OF SPATIAL PATTERN OF CONNECTIVITY AND INFRASTRUCTURE DEVELOPMENT AND STUDY OF ASPECTS OF COASTAL DYNAMICS OF THE BEACH FOR HANDLING PROBLEMS IN BAY OF SEMARANG

AbstractSemarang Gulf coast is currently experiencing rapid growth as a major economicÂ growth in Central Java. On the other hand, the current Gulf coast Semarang alsoÂ experiencing very complex issues, such as tidal flooding, land subsidence, asÂ well as damage due to coastal erosion and sedimentation. In accordance withÂ the duties, functions and competence as well as one of the BPDP BPPT roles,Â namely assessment and solutions in the field of technology, the Research CenterÂ for Coastal Dynamics (BPDP)- BPPT conduct a study to produce a concept ofÂ spatial patterns of connectivity and infrastructure management issues SemarangÂ Gulf and numerical modeling to determine changes pattern of coastalÂ hydrodynamics and the environment in the Gulf of Semarang, which includesÂ hydrodynamic modeling, modeling of water quality and sediment transportÂ modeling.Â AbstrakPesisir Teluk Semarang saat ini mengalami perkembangan yang sangat pesat karena merupakan pusat pertumbuhan ekonomi utama di Jawa Tengah. Di sisi lain, saat ini pula pesisir Teluk Semarang mengalami berbagai permasalahan yang sangat kompleks, seperti banjir rob, penurunan muka tanah (landÂ subsidence), serta kerusakan pantai akibat abrasi dan sedimentasi. Sesuai dengan tugas pokok, fungsi dan kompetensi BPDP serta salah satu peran BPPT, yaitu pengkajian dan solusi di bidang teknologi, maka Balai Pengkajian DinamikaÂ Pantai â€“ BPPT melakukan kajian untuk menghasilkan konsep pola spasial konektivitas dan infrastruktur penanganan permasalahan Teluk Semarang serta pemodelan numerik untuk mengetahui perubahan pola hidrodinamika pantai danÂ lingkungan di Teluk Semarang, yang meliputi pemodelan hidrodinamika, pemodelan kualitas perairan dan pemodelan transport sedimen.

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NUMERICAL MODELING OF LONG SHORE TRANSPORT RATE IN COASTAL STRUCTURE PLANNING

Jurnal Kelautan Indonesian Journal of Marine Science and Technology ◽

10.21107/jk.v12i2.5309 ◽

2020 ◽

Vol 12 (2) ◽

pp. 131-140

Author(s):

Koko Ondara ◽

Hadhrat Khalil

Keyword(s):

Numerical Modeling ◽

Wind Wave ◽

Coastal Region ◽

Primary Data ◽

Coastal Protection ◽

Coastal Dynamics ◽

Tidal Analysis ◽

Alternative Structures ◽

Central Java ◽

The Impact

Demak Regency is one of the regencies in the coastal region north of Central Java, which has a abrasion. The coastal area of Surodadi, Sayung Subdistrict, Demak Regency is one of the areas that experienced severe abrasion. The purpose of this study is to analyze the coastal dynamics that occur and design appropriate conservation and rehabilitation systems to reduce the impact of abrasion and coastal protection. This study uses primary data carried out at 2016. The analyzes carried out were wind, wave, tidal analysis, shoreline changes and analysis of recommendation structures. The protection scenorio plan uses two alternative structures namely breakwater and seawall. Analysis using a breakwater indicates that the results of sedimentation due to the structure are unsatisfactory. After 10 years, the breakwater produces ± 100 m sedimentation from the initial coastline. The modeling results show that the seawall can prevent further abrasion in the study site even if it does not cause sedimentation (except on the coastline that juts into the mainland).

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INVESTIGATIONS OF THE BALTIC SEA COASTAL ZONE ABOVE-WATER PART TOPOGRAPHY DYNAMICS BY MEANS OF TERRESTRIAL LASER SCANNER (SVETLOGORSK CITY, KALININGRAD REGION)

Proceedings of International Conference "Managinag risks to coastal regions and communities in a changinag world" (EMECS'11 - SeaCoasts XXVI) ◽

10.31519/conferencearticle_5b1b9381375176.02831785 ◽

2017 ◽

Author(s):

Nikolay Lugovoy ◽

Askar Ilyasov ◽

Elena Pronina ◽

...

Keyword(s):

Baltic Sea ◽

Coastal Zone ◽

Coastal Erosion ◽

Laser Scanner ◽

Terrestrial Laser Scanner ◽

The Baltic Sea ◽

Coastal Dynamics ◽

Kaliningrad Region ◽

The Baltic

The paper describes application of the terrestrial laser scanner for investigation of coastal dynamics of the Svetlogorskaya Bay, Baltic Sea. Methods of investigation and results of surveys repeated over the two consecutive years for quantification of coastal erosion and slope processes within the coastal zone are presented.

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The Gulf Coast Waste Disposal Authority: A Regional Approach to Water Quality Management

Water Science & Technology ◽

10.2166/wst.1984.0153 ◽

1984 ◽

Vol 16 (5-7) ◽

pp. 473-480

Author(s):

L Jack Davis

Keyword(s):

Water Quality ◽

Quality Management ◽

Waste Disposal ◽

Gulf Coast ◽

Water Quality Management ◽

Public And Private ◽

Public Agency ◽

Public Managers ◽

Public Reaction ◽

Public And Private Sector

The Gulf Coast Waste Disposal Authority is a regional public agency created by the State of Texas to design and implement water quality management systems in three counties surrounding Galveston Bay. This article will outline the water quality management strategy employed by the Authority for a highly industrialized and populated region. Regional treatment and public and private sector cooperation will be presented as a management objective for muncipal and industrial waste disposal. A description of the background and operations of the Authority will be included along with examples of joint or combined wastewater treatment. The pressing problem of hazardous waste management in Texas will be discussed. The Authority's experiences with facility siting and public reaction will be summarized and a new approach to help resolve these issues will be presented. The article will conclude with some thoughts on strategic planning for public managers.

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Modeling and risk analysis of bromate formation from ozonation of bromide-containing waters

Water Science & Technology ◽

10.2166/wst.1996.0604 ◽

1996 ◽

Vol 34 (7-8) ◽

pp. 79-85 ◽

Cited By ~ 2

Author(s):

Rengao Song ◽

Roger Minear ◽

Paul Westerhoff ◽

Gary Amy

Keyword(s):

Water Quality ◽

Risk Analysis ◽

Ammonia Concentration ◽

Quality Characteristics ◽

The Other ◽

High Ph ◽

Treatment Processes ◽

Ozone Dose ◽

Other Hand

Empirical bromate formation models were developed from batch ozonation data to simulate the effects of important water quality characteristics and treatment processes on bromate formation. Bromate formation was favored at high pH, bromide concentration, alkalinity, and ozone dose. On the other hand, increasing DOC and ammonia concentration decreased bromate formation. Validation of the bromate models demonstrated that the models accurately simulated bromate formation. Risk analysis of bromate formation was performed on 5 utilities in which ozone was used, and it was concluded that under typical ozonation conditions, the associated risk related to bromate formation could be as high as 10−3.

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Combined Geomorphic and Numerical-Modeling Analyses of Sediment Loads for Developing Water-Quality Targets for Sediment

Proceedings of the Water Environment Federation ◽

10.2175/193864703784828589 ◽

2003 ◽

Vol 2003 (4) ◽

pp. 1375-1392

Author(s):

A. Simon ◽

R.L. Bingner ◽

E.J. Langendoen ◽

Y. Yuan ◽

R.R Wells ◽

...

Keyword(s):

Water Quality ◽

Numerical Modeling ◽

Sediment Loads

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Limnology of Merbok estuary, Kedah, Malaysia

Bangladesh Journal of Zoology ◽

10.3329/bjz.v41i1.23294 ◽

2015 ◽

Vol 41 (1) ◽

pp. 13-19

Author(s):

Kaniz Fatema ◽

Wan Maznah Wan Omar ◽

Mansor Mat Isa

Keyword(s):

Water Quality ◽

Dissolved Oxygen ◽

Suspended Solids ◽

Total Suspended Solids ◽

Quality Parameters ◽

The Other ◽

Wet Season ◽

Hand Temperature ◽

Do Concentration ◽

Merbok Estuary

Water quality in three different stations of Merbok estuary was investigated limnologically from October, 2010 to September, 2011. Water temperature, transparency and total suspended solids (TSS) varied from 27.45 - 30.450C, 7.5 - 120 cm and 10 -140 mg/l, respectively. Dissolved Oxygen (DO) concentration ranged from 1.22-10.8 mg/l, while salinity ranged from 3.5-35.00 ppt. pH and conductivity ranged from 6.35 - 8.25 and 40 - 380 ?S/cm, respectively. Kruskal Wallis H test shows that water quality parameters were significantly different among the sampling months and stations (p<0.05). This study revealed that DO, salinity, conductivity and transparency were higher in wet season and TSS was higher in dry season. On the other hand, temperature and pH did not follow any seasonal trends.Bangladesh J. Zool. 41(1): 13-19, 2013

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Experiment and numerical modeling of asymmetrically initiated hexagonal prism warhead

Advances in Mechanical Engineering ◽

10.1177/1687814016687966 ◽

2017 ◽

Vol 9 (1) ◽

pp. 168781401668796 ◽

Cited By ~ 1

Author(s):

Yuan Li ◽

Yuquan Wen

Keyword(s):

Numerical Modeling ◽

The Other ◽

Energy Utilization ◽

Hexagonal Prism ◽

Cylindrical Structure ◽

Damage Probability ◽

Other Hand ◽

Density Enhancement ◽

Fragment Distribution ◽

Velocity Enhancement

Traditional fragmentation warheads are usually initiated on the axis, producing a uniform fragment distribution around the warhead, but only little portion of them can be imposed on the targets. The aimable warhead, on the other hand, using the off-axis initiations or the structure deforming, can improve the warhead energy utilization highly. Seeking methods to both enhance the fragment velocity and density has significant value for improving the target damage probability. In this article, a warhead shaped as hexagonal prism was studied using arena experiment and numerical modeling and compared with the traditional cylindrical structure. The fragment velocities and target hit patterns of the two types of warheads under axial initiation and asymmetrical initiation are obtained. It is revealed that for the hexagonal prism warhead, the asymmetrical initiation can enhance the fragment velocities by 27.71% and enhance fragment density by 34.09% compared to the axial initiation. The fragment velocity enhancement is close to that of the cylindrical warhead, but the fragment density enhancement is far above the cylindrical warhead. This indicates that the asymmetrically initiated hexagonal prism warhead is a very effective aimable warhead.

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Numerical Modeling of the Lake Water Quality and Upland Watershed Loads

World Environmental and Water Resources Congress 2018 ◽

10.1061/9780784481400.050 ◽

2018 ◽

Author(s):

Xiaobo Chao ◽

Lindsey Yasarer ◽

Ronald Bingner ◽

Yafei Jia

Keyword(s):

Water Quality ◽

Numerical Modeling ◽

Lake Water ◽

Lake Water Quality ◽

Upland Watershed

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Infrastructure deficit and financing needs in Africa

Infrastructure in Africa ◽

10.1332/policypress/9781447326632.003.0015 ◽

2017 ◽

Cited By ~ 1

Author(s):

Mthuli Ncube

Keyword(s):

The Other ◽

Special Focus ◽

Local Market ◽

Infrastructure Development ◽

Development Bank ◽

African Development ◽

Local Sources ◽

Infrastructure Finance ◽

African Development Bank

There is a consensus that Africa has a huge infrastructure deficit. An urgent question demanding our attention therefore is: what are the levels of access to sources of local market finance for infrastructure development in Africa? It brings to our attention the state of infrastructure access in the continent with a special focus on constraints to infrastructure development in Africa. The Chapter then discusses innovative local sources of infrastructure finance in the continent alongside some of the constraints and solutions to a major source that the African Development Bank has emphasized lately—infrastructure bond. The other question to be answered therefore is: given the constraints and opportunities, what is the role of the African Development Bank?

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