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International Conference on Coastal and Delta Areas
Published by Universitas Islam Sultan Agung
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Core Subject : Science, Education,
Earth & Planetary Sciences Other
Arjuna Subject : Psikologi - Psikologi (Lain-Lain)
Articles 121 Documents
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BUILD SETTLEMENTS IN THE TIDAL FLOOD AREA: LEARNING FROM FISHERMEN COMMUNITIES' COPING STRATEGIES FOR CLIMATE CHANGE Jamilla Kautsary; Cynthia Ratih Susilo
International Conference on Coastal and Delta Areas Vol 1, No 2 (2015): the 2th International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Global warming and climate change cause some problems such as floods, droughts, storms, landslides and fires. Special problem in coastal areas is tidal flooding due to rising sea levels. This condition affects to the fisherman communities in the North of Central Java in building settlements and meets the needs of basic infrastructure such as water, waste water and garbage. This study aims to reveal more about how the fishing communities on the north coast to resolve the issue. Locus studies are in three settlements of fishermen in Semarang, Kendal and Tegal. The method used in this study is deductive qualitative rationalistic, with descriptive empiric analysis. From the results of a series of in-depth interviews, observation and empirical reduction, obtained several findings. First in building settlements: community will raise the floor elevation of buildings, roads and social facilities periodically; people use household garbage to raise the elevation of the land up to a certain height, and on the top of that area will covered with the soil; community use special foundation for their building construction with reinforcement material of bamboo. In the fulfillment of the basic infrastructure, people use dig wells, deep wells and buy water from water vendors circumference; community will throw garbage on the land pocket to be built or water body; and communities dispose of domestic waste both liquid and solid to the water body.Keywords: Settlements, Tidal Flood, Coping Strategy and Climat Change.
The Relations Between Wind Speed and Discharge on Wind Pump for Irrigation Purpose The case study in Setro’s Reservoir Benny Syahputra
International Conference on Coastal and Delta Areas Vol 1, No 1 (2015): Management and Engineering in the Sustainable Development on Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

To irrigate thier rice fields, farmers in Gedangan village of Rembang District, North-East of Central Java Province take water from Setro’s reservoir. Since the surface level of water in the reservoir lower than the elevation of the fields, the farmers must use water pump to elevate the water into the higher level to the fields. Data from the Institute for Environment and Agricultural Research (2010) show that the annual average wind speed in Gedangan village is minimum 2.3 meter/secondand maximum is 9.2 meter/second. Based on those wind speed data, it can be used as a power of water pump by constructing windmill. The research shows that the wider leaf of windmills the more discharge of water can be resulted. However, there is optimum wide of windmill leaf. If the optimum wide of leaf over, the discharge will decrease. increased along with the increase in the diameter of the blade, but the discharge will back down if the blade diameter is enlarged after the maximum discharge.
Indicators Identification For Developing Earthquake Risk Disaster Model For Roads Mona ForalisaToyfur
International Conference on Coastal and Delta Areas Vol 1, No 1 (2015): Management and Engineering in the Sustainable Development on Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Road network in Indonesia are exposed to various natural hazards, such as earthquakes, floods, landslides, volcanic eruptions etc. These disasters often cause damage to roads and bridges. Losses due to disasters caused by the damage of road infrastructures as well as socio-economic losses due to traffic disruption are compromising the development of the country. Risk assessment as one early stage of disaster risk management for road network are essential to the sustainability of the road network.. Risk assessment for roads are needed for analysis how to reduce potential damage and losses which may occur on future disaster. As resources are limited, priorities need to be identified in implementing risk reduction measure to the road infrastructure. This research limitation only risk assessment for road link. Risk assessment is needeed in order to provide adequate information for decision makers at the national and local level in prioritizing disaster mitigation works for road links.The risk assessment process is based on the determination of disaster risk index, calculated from a series of risk indicators, for each of road links within a road network.
The Influence of Coastal Protective Building against Erosion in Sayung Coastal, Demak Dwi Yuliasari; Suripin Suripin; Denny Nugroho Sugianto
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

In 1980, land conversion of mangrove occur in large numbers since the opening of the Causeway. Flooding and Rob have already begun to be felt since the year 1995 and beginning in 2000 has been sinking a Dukuh village near by Bedono. Year 2000 erosion occurred in district Sayung, Demak and in 2013 the large area known erosion area of 400 – 1300 acres along the coastline. To reduce and overcome the damage done by the shore, re-purposed soft structure (conservation) and hard structure (breakwater). The purpose of this research is to know the influence of the building protective coast against erosion. The method used is the quantitative methods i.e. include survey field and numerical modelling methods. Research results in the form of changes in the rate of erosion in Coastal Sayung Keywords: Coastal, Coastal Building, Erosion, Sediment.
THE INFLUENCE OF LAND SUBSIDENCE TO THE CHANGES OF INUNDATION WIDTH IN SEMARANG CITY ALLUVIAL PLAINS (Case Study: Northern Districts of Semarang) Pratikso Pratikso; Soedarsono Soedarsono; Eky Sulistiyo Hariawan
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Semarang city is geographically consisting two units of morphology, namely: in the southern part is a denudasional structural hills consisting of Tembalang, Tanah Putih, Tegalsari, Siranda, until Gajah Mungkur. While the alluvial plain lies in the northern part. Land subsidence in some parts of Semarang city becomes a serious problem, because the area is generally a settlement area. As a result of land subsidence, settlement areabecomes lower, because the settlement location partly close to the beach, during a tide it overflows into the mainland through rivers and drainage canals and then it pooled to the settlement. The purpose and goal of this study is to assess and predict the large and length of land subsidence on alluvial plain due to the load and the mechanical properties of the soil as well as to assess and predict the changes of the inundation width in the alluvial as a result of land subsidence. This research use experimental method. To test the analysis of alluvial sediment subsidence, it is obtained by the calculation based on samples and primary data in the laboratory. The calculation is done in two ways, the first way is calculating the physical model with 1D Terzaghi, while the second way is predicting the subsidence using PLAXIS software and the result is the prediction of the large and length of subsidence with load variations and different soil mechanical conditions. Furthermore, comparing the calculation result using a physical model with the calculation result using PLAXIS software to get the final result of how is the large and length of land subsidence and the tendency of the subsidence. Whereas to calculate the width of the inundation, it is planned the changes of the inundation width using GIS software (Geographic Information System). The result of this study which applies 1D Terzaghi approach, obtained the smallest subsidence is 64,2 cm for 17,781 years and the largest subsidence is 107.600 cm for 29,635 years. While the approach which applies PLAXIS software obtained the smallest subsidence is 65.8 cm for 17,781 years and the largest subsidence is 110,000 cm for 29,635 years. The subsidence tendency more northern is larger and the time is longer. Land subsidence in the alluvial plain continues to rise, therefore the inundation in the settlement that located close to the river and the beach continues to grow wider, between 2016 and 2045 there is additionalinundation of 493,63 Ha. Keywords: Alluvial, Subsidence, Inundation, GIS, PLAXIS
The Flexural Behavior of the Full Height Rectangular Opening Castellated Steel Beam with Diagonal Stiffener Muhamad Rusli Ahyar; Rachmat Mudiyono
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

The full height rectangular opening of castellated steel beam is failed in Vierendeel mechanism. The Vierendeel failure mechanism made the load capacity of castellated steel beam is lower than its original section. In this research, the 16 mm diameter of steel bar as the diagonal stiffener is used as a reinforcement on the full height rectangular opening of castellated steel beam has a purposes to prevent Vierendeel failure mechanism so the load capacity of castellated steel beam can reach its maximum capacity. This research used a specimen of 3059 mm long span of castellated steel beam to study the flexural behavior. The specimen will be given the static load until it reached its maximum capacity. The test result show that the load capacity of the castellated steel beam is increase 157% compare to its original section. From the theoretical calculation it has 6.15% difference from the laboratory test result. Keywords: castellated, Vierendeel, flexural behavior
Variables Study Cause Of Delivery Of The Boyolali Road Improvement - Jrakah / Selo On 2015 Helmy Five Arifianto; Soedarsono Soedarsono; Djoko Susilo Adhy
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Various physical infrastructure activities carried out to improve road performance one of them with improvement and improvement of roads. Package of road improvement activities Boyolali - Jrakah / Selo is worth 19.5 billion more with the type of handling of concrete road pavement + concrete widening + 2 layer overlay over 4 km. However, the timing of the activities specified during the 240 working days is delayed due to various factors. Though this road has a function and a very important role that disrupt the activities of society and the flow of agricultural goods. The purpose of this study is to determine the factors causing the delay of the project Improving the Road of Boyolali - Jrakah / Selo in 2015. The research method used is descriptive approach method. The survey method was conducted to capture the opinions, experiences and attitudes of the respondents on the issues in road improvement project of Boyolali-Jrakah / Selo road in Boyolali Regency through questionnaire and institutional survey. The sample of research using all members of the population is called total sample or census which amounts to 60 respondents. The analysis technique used is factor analysis. While the variables used are labor, materials, equipment, design, planning and implementation, financing, social environment and community and managerial. Keywords: project delays, road improvements, Boyolali-Jrakah road
COMMUNITY PARTICIPATION IN MANGROVE FOREST MANAGEMENT IN MOJO VILLAGE, ULUJAMI DISTRICT, PEMALANG REGENCY Aprilia Fitri P; Ardiana Yuli Puspitasari; Eppy Yuliani
International Conference on Coastal and Delta Areas Vol 1, No 2 (2015): the 2th International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Mangrove forest in Mojo Village, Ulujami District, Pemalang Regency has an area used for nature tourism in coastal areas which provide protection the macro climate balance in Pemalang. The Regulation No.3/2011 about Pemalang Spatial Planning Year 2011-2031 have been discussing the mangrove forest development. Management of Mangrove forest in Mojo villages empowering by the local communities through farmer groups in cooperation with Local Governments and Institutions that called OISCA (The Organization for Industrial, Spiritual and Cultural Advancement-International). The research problem is want to know the forms of community involvement in the management of mangrove forests in Mojo Village.This research was conducted with the aim of measuring the level of community participation in the management of mangrove forest in the Mojo village, District Ulujami, Pemalang City through 3 Arnsteins’ variables of participation with 8 indicators ranging from levels manipulation to citizen power. The methodology used is mixed methods (quantitative and qualitative) with descriptive methods through rationalistic approach and logical deductive thinking.The result is level of community participation in the management of Mojo villages’ mangrove forest located on the 6th floor of participation stair, it is partnership with the lowest level and still under the influence of the 5th participation “Placation”. Mojo’s community activities still relies on Government dan OISCA funding. There are no improvement of initiative and willingness to develop activities independently.Keywords: Participation, Management, Forest, Mangrove
Dealing With Issues in Construction in The Area of Reclamation: Solution, Strategy & Implementation Pratikso .; Soedarsono .
International Conference on Coastal and Delta Areas Vol 1, No 1 (2015): Management and Engineering in the Sustainable Development on Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

In this present day, cities with delta area have mostly been doing coastline reclamation. The main problem is that the soil of the reclamation has been suffering from great settlement due to consolidation what makes the buildings around become instable, this is because the landfill is done on the soft soil. Supposed that the consolidation is happening naturally as it is, this will run in a relatively longer time, years or even decades. In order to be stable, it needs longer time, as a consequency, soil is not able to be used fo building to which this will give damage in term of time and finance. That is why, engineering is needed to fasten the consolidation process in order to make the soil of reclamation able to be used efficiently. One of particular methods to fasten the consolidation process is by building vertical drain. There are many ways and materials that can be used to set up vertical drain, among which are by making small holes through drilling then this is filled up with porous materials such as sand and gravel stone or coir. In this recent days, new method has already been available to fasten the consolidation process by geosynthetic that is Prevabicated Vertical Drain made of polymer material. The use of geosynthetic for vertical drain can fasten the consolidation process significantly. The speed process of consoliatioon depends on the types of soil and model of the vertical drain as well as distance among holes. Vertical drain can only accelerate the settlement due to consolidation, but this does not minimize it. By applying the drain model, time for the soil settlement can possibly be arranged what makes the soil of reclamation be more ready for use.
Identification of Diesel Resistant Bacteria that Isolated from Ship Dismantling Area in Madura Coastal Harmin Sulistyaning Titah; Herman Pratikno; Atiek Moesriati; Rizky Islami Putera; Muhammad Fauzul Imron
International Conference on Coastal and Delta Areas Vol 3 (2017): The 3rd International Conference on Coastal and Delta Areas
Publisher : International Conference on Coastal and Delta Areas

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Abstract

Ship dismantling activity is one industry that caused diesel contamination in environment. One of technology that can be used to remediate diesel contaminated area is bioremediation. Bioremediation can be conducted using bioaugmentation technique. The objective of this study was to identifity of diesel resistant bacteria using biochemicals test methods. The seawater and coastal soil samples were collected from area study using a sterilized bottles. All samples were shaker at 150 rpm for 1 h, after that samples were taken and serially diluted from 10-1 to 10-7. The diluted sample was inoculated on nutrient agar plates by pour plate method. The plate was incubated for about 24-48 hours and the growth of microorganisms was noted. Bacteria with difference of colony morphologies were selected. The cell morphology was determined microscopically after Gram-stain preparation. The isolates were identified using Microbact GNB 12A and 12B (Oxoid, UK) identification kit. This is a miniaturized computer aided identification system for the identification of organisms belonging to the genus Acinetobacter and Vibrio. Keywords: bacteria, bioremediation, coastal, seawater, ship dismantling

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