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Publisher: Universitas Negeri Semarang   (Total: 76 journals)   [Sort by number of followers]

Showing 1 - 76 of 76 Journals sorted alphabetically
Accounting Analysis J.     Open Access   (Followers: 9)
ACTIVE : J. of Physical Education, Sport, Health and Recreation     Open Access   (Followers: 20)
BELIA : Early Childhood Education Papers     Open Access   (Followers: 9)
Biosaintifika : J. of Biology & Biology Education     Open Access   (Followers: 7)
Catharsis : J. of Arts Education     Open Access  
Chemistry in Education     Open Access   (Followers: 9)
Chi'e : J. of Japanese Learning and Teaching     Open Access   (Followers: 3)
Dinamika Pendidikan     Open Access  
Economic Education Analysis J.     Open Access   (Followers: 1)
Economics Development Analysis J.     Open Access   (Followers: 4)
Edu Elektrika J.     Open Access   (Followers: 1)
Edukasi     Open Access  
ELT Forum : J. of English Language Teaching     Open Access   (Followers: 10)
English Education J.     Open Access   (Followers: 2)
Forum Ilmu Sosial     Open Access  
Geo-Image     Open Access  
Harmonia     Open Access  
Imajinasi : Jurnal Seni     Open Access  
Indonesian J. of Chemical Science     Open Access   (Followers: 1)
Indonesian J. of Conservation     Open Access  
Indonesian J. of Curriculum and Educational Technology Studies     Open Access  
Indonesian J. of Early Childhood Education Studies     Open Access   (Followers: 3)
Indonesian J. of Guidance and Counseling     Open Access  
Indonesian J. of History Education     Open Access   (Followers: 1)
Innovative J. of Curriculum and Educational Technology     Open Access   (Followers: 2)
Intl. J. of Active Learning     Open Access  
Intuisi : Jurnal Psikologi Ilmiah     Open Access  
J. of Economic Education     Open Access  
J. of Educational Development     Open Access   (Followers: 4)
J. of Educational Social Studies     Open Access   (Followers: 9)
J. of Edugeography     Open Access   (Followers: 2)
J. of Indonesian History     Open Access   (Followers: 4)
J. of Innovative Science Education     Open Access  
J. of Nonformal Education     Open Access   (Followers: 1)
J. of Physical Education and Sports     Open Access   (Followers: 6)
J. of Physical Education Health and Sport     Open Access   (Followers: 1)
J. of Primary Education     Open Access   (Followers: 14)
J. of Sport Sciences and Fitness     Open Access   (Followers: 15)
JEJAK : Jurnal Ekonomi dan Kebijakan     Open Access   (Followers: 1)
Joyful Learning J.     Open Access   (Followers: 1)
Jurnal Abdimas     Open Access  
Jurnal Bahan Alam Terbarukan     Open Access  
Jurnal Bimbingan Konseling     Open Access   (Followers: 4)
Jurnal Dinamika Manajemen     Open Access  
Jurnal Fisika     Open Access  
Jurnal Geografi     Open Access  
Jurnal Inovasi Pendidikan Kimia     Open Access   (Followers: 5)
Jurnal Kesehatan Masyarakat     Open Access   (Followers: 5)
Jurnal Komunitas     Open Access   (Followers: 1)
Jurnal MIPA     Open Access   (Followers: 3)
Jurnal Pendidikan Bahasa dan Sastra Indonesia     Open Access   (Followers: 4)
Jurnal Pendidikan Fisika Indonesia (Indonesian J. of Physics Education)     Open Access   (Followers: 2)
Jurnal Pendidikan IPA Indonesia     Open Access   (Followers: 2, SJR: 0.206, CiteScore: 1)
Jurnal Sastra Indonesia     Open Access  
Jurnal Teknik Elektro     Open Access  
Jurnal Teknik Sipil dan Perencanaan     Open Access   (Followers: 1)
Kreano, Jurnal Matematika Kreatif-Inovatif     Open Access   (Followers: 5)
Language Circle : J. of Language and Literature     Open Access   (Followers: 2)
Lisanul' Arab : J. of Arabic Learning and Teaching     Open Access   (Followers: 1)
Management Analysis J.     Open Access  
Pandecta : Jurnal Penelitian Ilmu Hukum     Open Access   (Followers: 1)
Public Health Perspective J.     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Scientific J. of Informatics     Open Access   (Followers: 1)
Seloka : Jurnal Pendidikan Bahasa dan Sastra Indonesia     Open Access   (Followers: 5)
Solidarity : J. of Education, Society and Culture     Open Access  
Unnes J. of Biology Education     Open Access   (Followers: 1)
Unnes J. of Mathematics     Open Access   (Followers: 3)
Unnes J. of Mathematics Education     Open Access   (Followers: 5)
Unnes J. of Mathematics Education Research     Open Access   (Followers: 10)
Unnes J. of Public Health     Open Access  
Unnes Law J.     Open Access   (Followers: 1)
Unnes Physics Education J.     Open Access   (Followers: 4)
Unnes Physics J.     Open Access   (Followers: 1)
Unnes Science Education J.     Open Access  
Wacana : Jurnal Sosial dan Humaniora     Open Access  
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Jurnal Geografi
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2549-3078 - ISSN (Online) 2549-3094
Published by Universitas Negeri Semarang Homepage  [76 journals]
  • INVESTIGATING THE EFFECT OF CONSERVATION TECHNIQUES ON THE LAND
           DEGRADATION OF TROPICAL CATCHMENT PRONE TO LANDSLIDE

    • Authors: Nugroho Christanto, Junun Sartohadi, Muhammad Anggri Setiawan, M Pramono Hadi, Victor G Jette, Druba Phika Shresth
      Pages: 1 - 10
      Abstract: Land degradation in Serayu watershed is a major concern in central Java and in Indonesia. As part of a broader effort to develop a land degradation assessment tool in tropical area, this study implemented a process-based watershed hydrology to assess the effect of conservation technique upon land degradation by using PCRaster. STARWARS was used to assess the watershed hydrology in the area based on their land use/ land cover, soil, and slope profiles. The results from STARWARS were used as inputs for the PROBSTAB model to simulate the slope stability in the area. DEM scenario were used, they are with terraces and without terraces.The models show that the landuse practice in the study area work like two edges of sword. The promoting of bench terrace can be reducing the risk of soil erosion but in the other hands it increases in the risk of landslide. From the slope-stability modeling, we can see that the terrace increases the pore-water pressure significantly which lead to the ideal conditions for the failures. The extremely high intensity rainfall, in the other hands, may build a sharp increase of pore-water pressure. The increasing probability of failure might cause the soil erosion even worse. Therefore, in order to make the terrace practice is effective to control the land degradation process; the terrace has to be well maintained.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • POHON AREN SEBAGAI TANAMAN FUNGSI KONSERVASI

    • Authors: Erni Mulyanie, Andhy Romdani
      Pages: 11 - 17
      Abstract: Cimanggu is the largest villages in Kecamatan Langkaplancar and still has many palm trees. These potentials need to be conserved to ensure environmental sustainability and the welfare of surrounding communities. Efforts to maintain its sustainability is to sharing knowledge and understanding of the importance of palm trees existence as a erosion or landslide conservation plant to be developed or cultivated in earnest by various parties. The purpose of this research is to know the benefits factors of sugar palm tree (Arenga Pinnata) as a conservation plant function in the Cimanggu Village Langkaplancar Pangandaran District. The research method is quantitative descriptive research. In addition, the authors also use the data survey because to generate quantitative data, also illustrates the sample studied. The results showed that the palm trees (arenga pinnata) have benefits as a plant conservation in the Cimanggu Village Langkaplancar Pangandaran District. Cimanggu village is eligible to grow palm trees that able to prevent floods and landslides. Besides, palm trees that can grow well on the cliffs will be very good as erosion prevention or landslides.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • LAND COVER CHANGES STUDY OF UPSTREAM COKROYASAN WATERSHED ON MAXIMUM
           RETENTION

    • Authors: Fahrudin Hanafi, Wahid Aksin Budi Nur Sidiq
      Pages: 18 - 26
      Abstract: This research takes location on upstream of Cokroyasan watershed, especially on Bandung weir catchment on Purworejo and Wonosobo District. Research objective is knowing maximum retention changes which represented by upstream Cokroyasan watershed curve number, related to land cover data series, soil type, rain, and peak flow (Qp). Research data quality controlled with data survey and overland flow data observed. Thus the relationship of particular land cover and watershed responses in generating peak flow can be determined.The land covers determine using multispectral classification of Landsat which detailed with manual interpretation and Google Earth image. Sampling selection defines by stratified random sampling technique of the smallest unit of land form. Effective rain determines by consistency test of rainfall data, frequency analysis, survey data and curve number composites. The effective rainfall generate using SCS model (Soil Conservation Service) which influenced by design rainfall, soil type, texture, and land cover.The results showed that within 15 years, the land cover of Bandung weir catchment change significantly. Especially plantation was reduced by 56% or 40.76 km2 while the settlements increased 412% to 64.20 Km2, and other land cover changes not significant (2% <). The analysis showed the peak flow in the upstream of Cokroyasan watershed changes on different return period. Although the different can only see on a more than two years return period. This means there was an increase of peak flow (discharge), as a result of maximum retention DAS dropped from 16- 18.29 m3/ s.The conclusion of this research indicate that land cover changes that occur within 15 years, influence on Curve Number changes, maximum retention, effective precipitation, and peak flow of upstream Cokroyasan watershed.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN KELAPA SAWIT DI KECAMATAN
           MARABAHAN KABUPATEN BARITO KUALA

    • Authors: Deasy Arisanty, Syarifuddin1 Syarifuddin1
      Pages: 27 - 35
      Abstract: Barito Kuala District experienced a land use change from swamp forests and rice fields to palm oil fields. This study aims to evaluate the land suitability for oil palm plantation in Marabahan sub-district, Barito Kuala District. Samples were obtained on each map of the land unit. The number of land units is 32 units of land. Land unit map is obtained from overlay landform, land use, land, and slope map. Data were analyzed by matching method. The land suitability class for oil palm plantations is somewhat suitable (S3) with a drainage and unconditionally constrained (N1) boundary with drainage barrier. The area with a suitable land suitability (S3) is 138.7 km2. The area of land suitability of unconditional land (N1) is 91.0 km2. Drainage becomes a barrier because the research area is a swamp area that is always inundated, especially for peat antiklinal basin land form.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • OBIA CLASSIFICATION AND BUILT-UP LAND INDICES NDBI FOR ESTIMASTION OF
           SETTLEMENT DENSITY IN PONTIANAK CITY

    • Authors: Trida Ridho Fariz
      Pages: 36 - 44
      Abstract: Settlement density data is very important because the density of settlements is one of the main indicators of slum settlement in Pontianak City. The one of way to obtain settlement density information is to use remote sensing data like satellite imagery or aerial photo. This is a problem considering the budget and more time to get high resolution satellite imagery and extract the information we want.The one method for the detection of settlements using Landsat 8 satellite imagary is the built-up land indices NDBI (Normalized Difference Build-up Index). Objective of this research is build spatial model of settlement density in Pontianak City using built-up land indices NDBI (Normalized Difference Build-up Index), moreover combining with OBIA Classification (Object Base Image Analysis).The results of this research indicate that built-up land indices NDBI has a value of determination (R2) is high that is equal to 0.628 and has a strong correlation of 0.792 to the density of settlements calculated from aerial photo. The spatial model of settlement density estimation has a R2 of 0.75 and a RMSE value of 5.10
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • HIGH RISE BUILDING IDENTIFICATION FROM SPOT 6 MULTISPECTRAL AND DIGITAL
           SURFACE MODEL (DSM) USING OBJECT BASED IMAGE ANALYSIS

    • Authors: Zylshal Zylshal, Jalu Tejo Nugroho, Indah Prasasti
      Pages: 45 - 56
      Abstract: This study focuses on one aspect of urban geometry called urban canyon. Urban canyon defined by a relatively narrow street lined by tall buildings. The initial step to extract the urban canyon is to identify the tall buildings. This study aims to discuss the potential use of the SPOT-6 multispectral data and its digital surface model (DSM), using object-based image analysis methods and terrain analysis, to identify the high-rise buildings in some part of Jakarta, Indonesia. Using slope and elevation percentile from the DSM as well as the spectral information of the SPOT-6 image, we then processed using the Object Image Analysis (OBIA) method and decision tree algorithm (crisp classification), we are able to obtained the identification rate of 78% with mean location accuracy of 30 meter (5 pixels).
      PubDate: 2017-10-31
      Issue No: Vol. 14, No. 2 (2017)
       
  • PEMANFAATAN TEKNOLOGI PENGINDERAAN JAUH UNTUK DETEKSI KEKERINGAN PERTANIAN
           MENGGUNAKAN METODE NORMALIZED DIFFERENCE DROUGHT INDEX DI KABUPATEN KENDAL
           

    • Authors: Abdi Sukmono, Fadli Rahman, Bambang Darmo Yuwono
      Pages: 57 - 65
      Abstract: Drought is one of the most frequent occurrences in the hemisphere with a tropical monsoon climate that is very sensitive to the El Nino Southern Oscillation (ENSO) climate anomaly and can have a negative impact on farmland drought. Kendal Regency is one of the areas affected by climate anomaly in ENSO. The climate-induced drought threat is unavoidable, but it can be minimized if drought monitoring in one area is known.One way that can be used for spatial drought monitoring is to use applications from remote sensing based on a particular algorithm. In the research, Normalized Difference Drought Index (NDDI) algorithm is used to distribution and extent of agricultural drought in Kendal District by 2015 using Landsat 8 satellite imagery. NDDI is the ratio between Normalized Difference Vegetation Index (NDVI) and Normalized Difference Water Index (NDWI).The results indicate agricultural drought using NDDI method in July 2015 with normal drought area 6980,362 ha, mild drought 13364,155 ha, moderate drought 682,847 ha and dry drought 281,81 ha. Validation results show the accuracy of the NDDI method is 82%.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • ARAHAN KOMODITAS UNGGULAN PERIKANAN TAMBAK DI PESISIR KABUPATEN KENDAL
           (EVALUASI KESESUAIAN LAHAN BUDIDAYA PERIKANAN TAMBAK)

    • Authors: Sriyanto Sriyanto, Tjaturahono Budi Sanjoto
      Pages: 66 - 74
      Abstract: Many factors are taken into consideration when it will breed pond fishery. Location clearance, soil ph, soil texture, land slope, distance to sea, distance to river, rainfall, and axisibility are some of the necessary equilibrium. The right conditions with these parameters will provide maximum results for fish farmers, otherwise if these parameters are not met it will affect the results that will be obtained. Kendal Regency is one of the regencies in Central Java with coastal area. There are 7 districts in Kendal Regency whose territory is on the coast, Kaliwungu, Patebon, Brangsong, Rowosari, Kangkung, Kendal, and Cepiring. The purpose of this study is to assess the suitability class of ponds in coastal areas of Kendal. The method used is the scoring analysis of the parameters of the location of a good pond, among others, land slope, soil texture, soil ph. Based on the parameters used in the evaluation of land suitability, in the coastal region of Kendal Regency can be classified into three classes, namely very appropriate (S1) covering the District Kangkung and District Rowosari. The corresponding class (S2), the region's distribution in this class is almost in most coastal areas of Kendal Regency. In the quite appropriate class (S3) is the class of land that if it will be cultivated ponds need special treatment is located in Kendal and Kaliwungu District because most of the land for settlement and moor. To achieve the target of pond production, it needs to be cultivated in a very suitable class (S1). This is considering almost no obstacles in cultivating ponds.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • KLASIFIKASI BENTUKLAHAN SECARA OTOMATIS MENGGUNAKAN TOPOGRAPHIC POSITION
           INDEX

    • Authors: Sutanto Trijuni Putro, Nucifera Fitria
      Pages: 75 - 83
      Abstract: Landform is an essential aspect for environmental and disaster studies. Automated landform classification has been developed due to the importance role of landrom for many studies. Automated landform classification can be applied for general purposes.TPI (Topographic Position Index) is one of automated landform classification method. TPI measures the difference between center elevation and mean elevation in its surroundings within certain radius. This study used SRTM data with 90 meters resolution and ASTER GDEM data with 30 meters resolution for the south part of Yogyakarta. Data processing is conducted by using SAGA GIS. The research documented here aims to clarify how TPI support the landform classification thus for practical use can be utilized effectively for analysis any aspect related to landform classification.Generally, automated landform classification for two datas results the same spatial pattern. Study area is mostly classified as plains. But feature number of landform in ASTER GDEM data is larger than STRM data. Because ASTER GDEM data has higher spatial resolution so that the result is more detail. Based on Tobler`s Law, ASTER GDEM work best for 1:50.000 scale, while SRTM fit for 1:180.000 scale.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
  • DETERMINATION THE OCCURANCE OF MERCURY IN SOIL IN THE MINING AREA OF
           ROMANG ISLAND

    • Authors: Rudhy Hendarto
      Pages: 84 - 88
      Abstract: The occurance of mercury in the environment whether on land, water and air can occur because of human activities or naturally existed. In gold mining activities, the source of mercury occurrence can be from the mining activity or being naturally exist in the land and water. Romang Island is one of the islands in the Maluku Islands. In the Romang Island, currently being done the process of exploring the potential of mining materials. Metallic minerals to be explore on Romang Island included Gold (Au) and associated metal minerals such as Silver (Ag), Copper (Cu), Zinc (Zn), Lead (Pb) and Manganese mineral (Mn ). This study aims to determine the occurrence of mercury in the soil in Romang Island. This research is very important to understand whether the mercury in Romang Island is natural existed or available due to the mining activities. In order to determine the mercury in the soil, laboratory test was conducted. Soil samples were taken using non-probability sampling method: accidental sampling and purposive sampling. Selection of this sampling method is done with consideration of limited road accessibility on Romang island and security. From the results of laboratory tests, we found that mercury in Romang Island is naturally existed. The value range from 0.223 to 1.627 ppm. The natural existence of mercury in the Romang Island is quite possible given the geological conditions on this area.
      PubDate: 2017-10-16
      Issue No: Vol. 14, No. 2 (2017)
       
 
 
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