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<![CDATA[ANALYSIS OF LANDSAT 8 SATELLITE IMAGERY TO IDENTIFY POTENTIAL OF SPRING (Case Study: District Bojonegoro) ]]>
<![CDATA[Sukojo, Bangun Muljo]]>;
<![CDATA[Aristiwijaya, Bayu]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1492
<![CDATA[By integrating remote sensing technology to the analysis of Landsat 8 satellite imagery to identify, is expected to provide solutions and services in a repeated and continuous monitoring with wide regional coverage. Exploration of water resources needs to be done in order to meet community needs.Bojonegoro known as districts often experience water shortages in some regions of sub-section, especially during the dry season. Action in the form of research on the potential presence of springs made as early action in an effort to identify and search for the source of water to meet the needs of society.From the science of remote sensing, identification of potential springs do with observations of vegetation density of processed Landsat 8 satellite image, especially the image output May to September 2014. The data supporting the use of topographic data is like a river network, land cover and hipsografi. Efforts to use data validation geology and hydrogeology. From this research, it was found that Bojonegoro can be divided into four classes of potential, ie High, Medium, Low and Rare. The potential emergence of springs identified in the area of the plateau with prolific aquifer truncated by faults geology. Geographic information system is used as a tool in the process of spatial analysis is the conclusion that would be the magnitude of the correlation between the size of the vegetation density to the size of the potential presence of springs.]]>
<![CDATA[ANALYSIS OF RELATIONSHIP BETWEEN TIDAL SEA WITH SEDIMENTATION (Case Study: Port Container Wharf Surabaya) ]]>
<![CDATA[Yuwono, Yuwono]]>;
<![CDATA[Qhomariyah, Lailatul]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1493
<![CDATA[Indonesian archipelagohas a high necessity of sea transportationtosupport the trade activities andmobility between one island and another. The harbor security is an important factortoensure the safety ofthe ships which are being leant there, therefore the sedimentation is neededto be observed in order to find out the changes of sedimentationso that theshipwould notrun aground. The formation ofsedimentationinthe dockis influencedby several factors, one of them istidal.Domesticdockcontainer portof Surabayais onethe docks that facilitatesdockshipsat the jettyport inEastJava. To observe the influence ofthe tides to thedock sedimentation, it is necessary to knowthe changesofsedimentation, so thesecurity of the shipsthat willbe dock could be guaranteed.The results of this study was finding theimpacts of tidal phenomena to the sediment formed in the domestic dock container port Surabaya we can conclude that when the Formzahl number is greater than the previous year, the sedimentation volume will also increase. The sedimentation volume in 2011 amounted to 9,460 m3 with Formzahl numbers of 0.662 is used as the reference to a sedimentation volume increasing in 2012 amounted to 49,537 m3 with formzahl number of 0.819. The increasing formzahl numbers which also means increase in the phenomenon of ebb and flow of sea water, has shown a difference of sedimentation volume from 2011 to 2012 amounted to 40,077 m3. And In the sedimentation volume in 2013 amounted to 14,306 m3 with a formzahl number of 0.722 is used as the reference to an increase in sedimentation volume in 2014 amounted to 35,102 m3 with formzahl number of 0.758. The increasing formzahl numbers which also means an increase in the phenomenon of ebb and flow of sea water which has resulted in a difference of sedimentation volume from 2013 to 2014 amounted to 20,796 m3.]]>
<![CDATA[MAP ZONE LAND CHANGES TO MONITORING OF CHANGE THE VALUE OF LAND AT DISTRICT RUNGKUT ]]>
<![CDATA[Deviantari , Udiana Wahyu]]>;
<![CDATA[Budisusanto, Yanto]]>;
<![CDATA[Arafah, Feni]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1494
<![CDATA[The rising of land value is closely related to development process. Middle East Ring Road (MERR) development results in the rapid growth of settlement and other business activities around it. Based on RTRW Surabaya no. 3/2007 about Main Road Network Plan,It wasstated that the land use along MERR II-C will be allocated for trading, service, and public facilities. With so many activities at the site, thelimited land will be fought among users in order to gain maximum benefit. The rapid change in the value / market price of land in the region led to users struggling in keeping updates of land value.Determining the land value or land marketcan be obtained by using Land Value Zone (ZNT) map. ZNT map illustrates areas that has arelatively similar land value. Land value data used in this study is the land market in 2010-2014. The production of land value mapwas by using spatial analysis techniques to create zones or polygon-shaped area that represents the land value in accordance with the real conditions in the field on buying or selling value.ZNT processing results in 6 Village in Rungkut District show a change in the land value; the highest is located in the zone AC and AH in Kalirungkut sub district, while the least changes is in zone FH in Rungkut Kidul sub district. Changes in land value occursin Kalirungkut sub district because of population density and high social activities.While the change in the land value in the Rungkut Kidul sub district is due to the development of education activity, availability of education facility (UPN campus) and accessibility to MERR.]]>
<![CDATA[STUDY ON DETERMINATION OF CATCH FISH AREA USING DISTRIBUTION PARAMETERS OF SEA SURFACE TEMPERATURE AND DISTRIBUTION OF CHLOROPHYLL-A AT MAHAKAM DELTA MARINE ]]>
<![CDATA[Suparjo, Suparjo]]>;
<![CDATA[Beze, Husmul]]>;
<![CDATA[Insanu, Radik Khairil]]>;
<![CDATA[Arifin, Dawamul]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1495
<![CDATA[As a maritime country , Indonesia has a comparative advantage in fisheries and marine resource potential . In 2010, the result of fish catches in Samarinda reached 9266.7 tons. Distribution of sea surface temperature and distribution of chlorophyll-a in the Mahakam Delta area required for mapping analysis of fishing grounds in order to maximize the potential of fish catches. The analysis using MODIS Terra satellite image with ATBD 19 MODIS algorithm to determine the concentration of chlorophyll -a and 25 MODIS ATBD algorithm to determine the sea surface temperature in the area of research. The Results of image data processing, sea surface temperatures in 2013 , 2014 and 2015 is dominated with temperatures ranging between 24°C to 28°C. In 2013 , the distribution of chlorophyll-a spread evenly. In 2014 , the waters were relatively less fertile due to the distribution of chlorophyll-a, identified less evenly. By 2015 , the waters were also less fertile. Chlorophyll-a was identified only slightly. Zone of fishing ground, in 2013, the distribution of many fish catches prediction zones spread along the coast north of the Mahakam Delta, the middle of Mahakam Delta and the middle of the Strait of Makassar.Distribution of little fish catches prediction zone were in the South Mahakam Delta. In 2014 , the many fish catches zone spread in the middle of Mahakam Delta and the little fish catches zone spread in north and south coast of the Mahakam Delta.In 2015, there were no many fish catches zones, just the little fish catches was indentified. The little fish catches zone spread in north and south coast of the Mahakam Delta.]]>
<![CDATA[STUDY OF CORAL BLEACHING MAPPING USING HIGH RESOLUTION IMAGES (A case study: The Water Area of PLTU Paiton Probolinggo) ]]>
<![CDATA[Jaelani, Lalu Muhamad]]>;
<![CDATA[Afifi , Zulfahmi]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1496
<![CDATA[The rising temperature of Andaman Sea in May 2010 causing many Indonesia’s waters experienced 4°C temperature rise. This phenomena triggers coral bleaching in many Indonesia’s coastal area, one of them is Probolinggo beach. Probolinggo beach is a beach with very fascinating coral reefs, one of them is located near Paiton Power Plant area. Paiton plant unit is a power plant that is owned by PT. PJB which used to supply almost three of fourth part of the electricity in Java and Bali. PLTU Paiton is established at the seaside of Probolinggo beach, which has a coolant circulation system located adjacent to the sea. Coral bleaching mapping with remote sensing method with in situ data was used to detect the extent of areas experiencing coral bleaching. WorldView-2 Satellite Imagery was used with the processing performed on the blue bands and green bands which has the depth of water penetration. Water column correction is done to eliminate the effect of depth. Supervision classification is performed to get the alleged spot of coral bleaching. Classification results showed that the total area of the bleached corals from the five-point field observations with area of each point is 100m^2 is ± 726 m^2.The coral bleaching phenomenon in Paiton’s Power Plant coastal waters is caused by two main factors, the former is the rise of sea surface temperatures and the latter is the activity of Paiton itself. Dredging activities for the construction of new generating units and water discharge processing activities plant added the negative effect for the bleaching, aside from rising sea surface temperatures of ± 4° C.]]>
<![CDATA[STUDY OF OPAK FAULT CONTROL POINT MOVEMENT IN SGY SEGMENT ]]>
<![CDATA[Taftazani, Muhammad Iqbal]]>;
<![CDATA[Parseno, Parseno]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1497
<![CDATA[The observation of Opak fault in DIY Province has been done in many times to observe the movement of Opak Fault after 2006 earthquake. This research aims to determine the coordinates in the new epoch (2015) and to determine the movement velocity of Opak fault control point between 2013 and 2015. The research done by GPS/GNSS observations in eight hours with sampling rates 15 second, and GPS/GNSS processing using GAMIT/GLOBK software. The research results shows that there are coordinate differences between 2013, 2014 and 2015 epoch that indicate there is a movement in Opak fault control point with velocity between 0,01 – 0,09 m/yr in horizontal movement and 0,001 – 0,047 m/yr in vertical movement. The movement direction of Opak fault control point is south east except SGY3 point that move to south west. The movement of Opak fault control point is classified by BSN with the extraordinary very slow category.]]>
<![CDATA[GPS TECHNOLOGY FOR MONITORING SUBSIDENCE IN MERR II-C SURABAYA BRIDGE ]]>
<![CDATA[Hariyanto, Teguh]]>;
<![CDATA[Frandik, Achmad]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1498
<![CDATA[MERR II-C bridge or road Middle East Ring Road II-C (MERR II-C) constructed as a support function sizeable transportation and vital to life, especially the area of Surabaya. Based on the results of soil testing in the area around the bridge (source: soil testing data on Soil and Rock Mechanics Laboratory, Department of Civil Engineering, FTSP - ITS, Surabaya), the type of soil surrounding is soft clay. In the soft clay soil, the problem will be found when the need to construct buildings on it are low soil bearing capacity and congestion relatively high ground (Wirawan, 2011).In this study will be an analysis of land subsidence in the area around the bridge MERR II-C, using a GPS to get a reduction in the value of the land around the bridge. Point - the point being observed there are 12 control points scattered in the area around the bridge. Observations were made 3 time is in September, October and November 2015.Output of observations obtained when the point value of land is the biggest decline 23 mm at point 8 and the largest land rise is 4 mm at point 4.]]>
<![CDATA[COMPARISON OF C2WP BOUREAL LAKES PROCESSOR AND REGIONAL WATER PROCESSOR ALGORITHM ON EXTRACTING ESTIMATED TOTAL SUSPENDED SOLID DATA OF LAKE SENTANI ]]>
<![CDATA[Jaelani, Lalu Muhamad]]>;
<![CDATA[Syariz, M. Aldila]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1499
<![CDATA[Lake Sentani is one of fifteen Indonesian National Priority Lakes. In the Jurnal Biologi Papua, Surbakti (2011) said that Lake Sentani is an euthropic lake. MEdium Resolution Imaging Spectrometer (MERIS) is one of a few sensors at Envisat Satellite which is used to monitor water-quality conditions. At BEAM VISAT, MERIS image can be processed using 3 algorithms to extract water-quality. Those algorithms are Case-2 Water Processor (C2WP) Euthropic Lakes, Case-2 Water Processor (C2WP) Boureal Lakes, and Regional Water Processor Water Processor (WP). In this research, we compared the performance of C2WP Boureal and Regional WP on extracting Total Suspended Solid (TSS) data. Extracting TSS data using C2WP Euthropic were used as data validation because Lake Sentani was an euthropic lake.]]>
<![CDATA[ANALYSIS OF CHANGES CORAL REEFS AREA USING REMOTE SENSING (A Case Study: Menjangan Island, Bali) ]]>
<![CDATA[Hariyanto , Teguh]]>;
<![CDATA[Lingga, Alhadir]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1500
<![CDATA[Menjangan island is a small island that located in Northwest of Bali province, which is inside the area of Taman Nasional Bali Barat (TNBB) and its very potential to become a spot of marine tourism for diving and snorkeling because it has many types of flora and fauna in that island. There has been a drop in the extent of coral reefs as much as 2.02 hectare in 2007-2009. Mapping of coral reefs distribution is done by using remote sensing method and by using Landsat 8 satellite’s images. Landsat 8 Satellite imagery was used with the processing performed on the blue bands and green bands because both of those bands have the highest spectral value. Correction of the effect of water depth elimination is used for data processing. Unsupervised classification is done for object determination in satellite’s images is fully process by software. Classification result showed that there was decrease of coral reefs as 0.84 hectare in 2014-2015.]]>
<![CDATA[STUDY OF SEA LEVEL RISE USING SATELLITE ALTIMETRY DATA (A case study: Sea Of Semarang) ]]>
<![CDATA[Cahyadi, M. Nur]]>;
<![CDATA[Jaelani, Lalu Muhamad]]>;
<![CDATA[Dewantoro, Aryasandah H.]]>
<![CDATA[ GEOID Vol. 11 No. 2 (2016) ]]>
Publisher : <![CDATA[Departemen Teknik Geomatika ITS ]]>
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DOI: 10.12962/geoid.v11i2.1501
<![CDATA[Sea level rise was one thing that can threaten human life, especially those living coastal region. Not only the coastal areas threatened by sea level rise but small islands outermost region of Indonesia also threatened by sea level rise and almost lost due to sea level continued to rise from year to year. On the island of Java in particular, there are several cities that are experiencing serious problems of sea level rise call Jakarta, Semarang, Pekalongan, Tuban and Surabaya. Sea level rise that occurred in cities is caused by rising global temperatures resulting in melting glaciers and ice there dikutub, consequently the volume of water in the sea increased dramatically and lead to sea level rise. It is also exacerbated by the rate of decline in soil is very high, namely the city of Semarang, the rate of decline in soil between 8-13 cm / year. So it is very threatening to the survival of people living in coastal areas, therefore the observation of sea level rise should continue to be observed annually. One of the emerging technologies and widely used for observing the sea level rise that satellite altimetry. In this study used satellite altimetry Jason-1 to observe the rate of sea level rise in the region Semarang in 2009 to 2011 to obtain prediction with mathematical methods to determine the annual rate for the next year. On this study, large sea level rise semarang is 12.83 mm / year.]]>
