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INDONESIA
Geo-Image Journal
Published by Universitas Negeri Semarang
ISSN : 22526285     EISSN : 25490362     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
This journal publishes original research and conceptual analysis of geography, geographical mapping science and technology and environmental sciences.
Arjuna Subject : -
Articles 419 Documents
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KETERLIBATAN MASYARAKAT DALAM PENGELOLAAN EKOSISTEM MANGROVE DI DESA MOJO KECAMATAN ULUJAMI KABUPATEN PEMALANG Raharja, Ganis Randy
Geo-Image Vol 2 No 2 (2013)
Publisher : Geo-Image

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Abstract

Ekosistem mangrove merupakan suatu sistem di alam tempat berlangsungnya kehidupan yang mencerminkan hubungan timbal balik antara makhluk hidup dengan lingkungannya dan diantara makhluk hidup itu sendiri. Sebagai pendukung kehidupan terpenting di wilayah pesisir dan kelautan, ekosistem mangrove mempunyai fungsi ekologis, biologis dan ekonomis. Oleh karena itu pengelolaan ekosistem mangrove tersebut tidak lepas dari keterlibatan masyarakat. Oleh karena itu pengelolaan ekosistem mangrove tersebut tidak lepas dari keterlibatan masyarakat. Populasi dalam penelitian ini yaitu Kepala Keluarga (KK) di Desa Mojo yaitu sebanyak 1963 jiwa dengan sampel sejumlah 97 KK yang dihitung menggunakan metode Slovin. Hasil penelitian menunjukkan 69,7% masyarakat Desa Mojo memiliki pengetahuan yang tinggi mengenai ekosistem mangrove, untuk persepsi masyarakat mengenai ekosistem mangrove 95% masyarakat memiliki persepsi yang sangat baik, dan 42,5% masyarakat memiliki keterlibatan yang rendah dalam pengelolaan ekosistem mangrove. Pengetahuan dan persepsi masyarakat yang tinggi pada umumnya dimiliki oleh masyarakat yang tinggal dekat dengan ekosistem mangrove tersebut sehingga berpengaruh pada tingkat keterlibatannya.Mangrove ecosystem is a natural system in place that reflect the ongoing life of the interrelationships between living things with their environment and living beings among themselves. As a supporter of lifes most important coastal and marine areas, mangrove ecosystem has the function of ecological, biological and economical. Therefore mangrove ecosystem management can not be separated from community involvement. Therefore mangrove ecosystem management can not be separated from community involvement. The population in this study is the Head of Family (KK) in the village of Mojo as many souls with a sample of 1963 a total of 97 households were calculated using Slovin. The results showed 69.7% villagers Mojo has a high knowledge of the mangrove ecosystem, to the perception of the public about 95% of the mangrove ecosystem has a very good perception, and 42.5% of people have a low involvement in the management of mangrove ecosystems. Knowledge and perception of high society generally owned by people who live close to the mangrove ecosystem that influence the level of involvement.
KAJIAN KERAPATAN VEGETASI HUTAN LINDUNG GUNUNG UNGARAN JAWA TENGAH TAHUN 2016 MENGGUNAKAN METODE INDEKS VEGETASI Lintang, Nuansa Chandra; Sanjoto, Tjaturahono Budi; Tjahjono, Heri
Geo-Image Vol 6 No 1 (2017)
Publisher : Geo-Image

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Abstract

The research aims are to know the vegetation density level using vegetation index method of NDVI, SAVI, ARVI, DVI and RVI and to know the highest accuracy of vegetation index methods to determine the vegetation density in protected forest Mount Ungaran. The sampling method use purposive random sampling, with 82 sampel points. This research uses descrpitive research method. The first variable is vegetation density and the second ones is distribution and area produced by vegetation index transformations. The result of this research shows that the distribution and the area of classification results for each vegetation index transformation are different. There was little differenceof wide in the transformation of NDVI and SAVI is an area of 900 m2, equevalent to one pixel on the Landsat-8 imagery. Meanwhile classification generated by the transformation of ARVI, a lot of generating area is included dense classification, and the classification generated by the transformation of DVI and RVI is more a lot included rare classification. The confusion matrix shows NDVI transformation has the best accuracy with an overall accuracy percentage of 75,61%.
ANALISIS KONSENTRASI GAS CO DAN Pb PADA TAMAN KOTA DI KECAMATAN SEMARANG SELATAN DAN SEMARANG TENGAH KOTA SEMARANG Margahayu, Hilyana; Hariyanto, Hariyanto; Setyowati, Dewi Liesnoor
Geo-Image Vol 4 No 1 (2015)
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Abstract

Karbon monoksida atau CO adalah suatu komponen tidak berwarna, tidak berbau dan tidak mempunyai rasa yang terdapat dalam bentuk gas pada suhu diatas -192°C. Komponen ini mempunyai berat sebesar 96,5% dari berat air dan tidak larut di dalam air (Fardiaz, 1998:92). Tujuan penelitian ini: 1) mengetahui kondisi sebaran vegetasi di Kecamatan Semarang Selatan dan Semarang Tengah, 2) mengetahui konsentrasi gas CO, Pb, debu dan kebisingan di Taman KB, Simpang Lima dan Tugu Muda di Kecamatan Semarang Selatan dan Semarang Tengah. Variabel penelitian meliputi kondisi sebaran vegetasi di taman kota, konsentrasi gas CO, Pb, debu dan kebisingan di taman kota. Hasil penelitian menunjukkan, kondisi sebaran vegetasi di Taman KB, Taman Simpang Lima dan Taman Tugu Muda untuk komposisi vegetasi masuk dalam kategori sangat sedikit (≤20,0%), kerapatan vegetasi masuk dalam kategori sangat jarang (≤14,0%) dan keadaan sebaran vegetasi masuk dalam kategori sangat jelek (≤20,0%). Hasil pengukuran cemaran udara menunjukkan bahwa konsentrasi cemaran udara di Taman Simpang Lima dan Taman Tugu Muda lebih tinggi dibandingkan di Taman KB. Konsentrasi cemaran udara seperti debu 409 µgr/m3 dan kebisingan 76,19 dBA keduanya telah melebihi batas baku mutu udara ambien nasional. Carbon monoxide or CO is a component of a colorless, odorless and does not have a sense that there is in the form of a gas at temperatures above -192 ° C. This component has a weight of 96.5% of the weight of water and insoluble in water (Fardiaz, 1998: 92).The purpose of this study : 1) determine the condition of the city parks in the District of South Semarang and Central Semarang, 2) determine the concentration of CO, Pb, dust and noise in the KB Park, Simpang Lima and Tugu Muda of Southern District Semarang and Central Semarang. The variables of the study include the distribution of vegetation conditions in a city park, the concentration of CO, Pb, dust and noise in the city park. The results showed that the distribution of vegetation conditions in the KB Park, Simpang Lima Park and Tugu Muda Park to the composition of the vegetation in the category is very few ( ≤20,0 % ), the density of vegetation in the category is very rare (≤14,0 %), and state distribution of vegetation in the category is very ugly (≤20,0 %). The measurement results showed that the air contaminant concentration of air contaminants in Simpang Lima Park and Tugu Muda Park is higher than in KB Park. The concentration of air contaminants such as dust 409 µgr/m3 and 76,19 dBA of noise, both have exceeded the national ambient air quality standards.
APLIKASI SIG UNTUK PENENTUAN HIRARKI KLASIFIKASI FUNGSI JALAN DALAM PENGEMBANGAN PARIWISATA REMBANG M, M. Nurul Huda
Geo-Image Vol 2 No 1 (2013)
Publisher : Geo-Image

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Abstract

The improvement of road network using tools of Geographic Information Systems (GIS) can play a role in regional development, especially on the tourism potential. This study aims to examine how the hierarchy of road classification system based on GIS-based functions and how it influences the level of service roads to the development potential of tourism in the district of Apex. Study sites are located in the District of Apex with the object of research in the segment - which includes roads primary roads, secondary roads and local streets and sights. The results showed that the hierarchical classification of roads in the district of Apex function is divided into three sections: the main highway / arterial primary, secondary road / primary collector, local road or street between the environments. The low value of the LOS path the higher the level of service, which means the higher the development of its tourism potential to be developed as shown in the tourist district Lodan Embung nest with a value of 0.12 LOS belonging to the characteristic level of service A
NILAI AKSESIBILITAS HOTSPOT AREA DI SEKITAR KAMPUS UNIVERSITAS NEGERI SEMARANG Ismi, Khairul; Suroso, Suroso; Haryanto, Haryanto
Geo-Image Vol 1 No 1 (2012)
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Abstract

SEBARAN SPASIAL LAHAN KRITIS UNTUK PRIORITAS REHABILITASI BERBASIS SISTEM INFORMASI GEOGRAFIS DAN PENGINDERAAN JAUH DI DAS JUWANA HULU MURIA Hasan, Muhammad Fuad
Geo-Image Vol 5 No 1 (2016)
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This study purposed to know the spatial distribution of critical land, to knowarea of rehabilitation priority and to present information of rehabilitation prioritycritical land area. This research method is quantitative descriptive. Data analysistechniques in this study is scoring and overlay. The preparation of the technicalguidelines of spatial data critical land based on the Regulation DG WatershedManagement and Forestry Social Number: P.4 / V-SET / 2013. The results showthere are several level of critical land distribution; rather critical of 2.201 hectares,a critical of 135 hectares and is very critical of 2.3 hectares. Areas ofrehabilitation priority at the study site, the first priority area of 247 hectares, thesecond priority area of 137 hectares and not a priority 2.201 hectares. Presentationof rehabilitation priority critical land information its hope can help the process ofmonitoring the presence of critical land and to direct area of rehabilitation priority.
PENILAIAN RISIKO BENCANA TANAH LONGSOR DESA WANADRI KECAMATAN BAWANG KABUPATEN BANJARNEGARA Khasyir, Muhamad; Aji, Ananto; Setyaningsih, Wahyu
Geo-Image Vol 5 No 2 (2016)
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The research aims to find out threats, vulnerability,and capacity of landslide disaster, also analyse the risk level of landslide at Wanadri Village. The research method is disaster risk assesment method. Disaster risk assesment is an approach to show potential negative impact that appears because of potential disasters that struck. The level of landslide at Wanadri Village is based on medium threats were covering 76,81 hectares with population is 175 inhabitans threatened and high threats were covering 557,1 Hectares with population is 4.568 inhabitans threatened. The vulnerability level of landslide at Wanadri Village which is approximately from low is 3,7 Hectares and comprehensive level of medium vulnerability is 624,81 Hectares to medium. The capacity level of disaster at Wanadri Village belongs to low level because the indicator of Tangguh Village has low score or belongs to the classification of Disaster Resilient Village Primary. Comprehensive level of risk of landslide disaster at Wanadri are high risk level is 574,96 Hectares, medium risk level is 76,84 Hectares, and low risk level is 3,7Hectares.
DAMPAK PEMBUANGAN LIMBAH INDUSTRI BATU ALAM TERHADAP KUALITAS AIR IRIGASI DI KECAMATAN PALIMANAN KABUPATEN CIREBON Uktiani, Arum; Suroso, Suroso; Setyaningsih, Wahyu
Geo-Image Vol 3 No 2 (2014)
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Abstract

Ada 38 industri batu alam di Kecamatan Palimanan Kabupaten Cirebon tidak mempunyai IPAL sehingga limbahnya langsung dibuang ke saluran irigasi Jamblang Kiri. Permasalahannya yaitu dampak pembuangan limbah industri batu alam terhadap kualitas air irigasi di Kecamatan Palimanan. Tujuan penelitian ini untuk mengetahui dampak pembuangan limbah industri batu alam terhadap kualitas air irigasi di Kecamatan Palimanan. Lokasi yang diteliti lahan sawah yang dialiri irigasi Jamblang Kiri pada enam desa di Kecamatan Palimanan dengan populasi air irigasi Jamblang Kiri yang masuk ke lahan persawahan di Kecamatan Palimanan. Sampel yang digunakan sampling area sebanyak 8 sampel dengan variabel kualitas fisika dan kimia air irigasi. Metode pengumpulan datanya interpretasi peta dan uji laboratorium. Teknik analisis data yang digunakan adalah analisis komparatif dan overlay. Limbah batu alam berdampak terhadap air irigasi karena nilai parameter pada air irigasi mengalami kenaikan daripada nilai parameter pada air sumber irigasi.Walaupun limbah batu alam berdampak terhadap air irigasi, namun hanya dua dari tujuh parameter yang menunjukkan kualitas buruk yaitu pH dan RSC. Di daerah penelitian, air irigasinya masih bisa digunakan untuk mengairi lahan persawahan karena memiliki tiga macam kualitas yaitu sangat baik, baik, dan cukup baik, tetapi terdapat parameter pH dan RSC yang melebihi standar baku mutu, yaitu pH sebesar 9 dan RSC sebesar 2,639 meq/l yang berlokasi di Desa Kepuh. Apabila dibiarkan, maka dalam kurun waktu tertentu berpeluang menurunkan kualitas air irigasi.   There are 38 natural stone industries in Palimanan District, Cirebon Regency which have no installation of waste water processing so that the wastewater is directly discharged into irrigation canals Left Jamblang. The problem was that there was waste disposal impact of the natural stone industries to the irrigation water quality in Palimanan District. The purpose of this study is to determine the waste disposal impact of the natural stone industries to the irrigation water quality in Palimanan District. The location studied was fields irrigated by Left Jamblang of six villages in Palimanan District with a population of Palimanan Left Jamblang irrigation water that went into the fields in Palimanan District. The sample used was the sampling area which had 8 samples with physics quality variable and irrigation of water chemistry. The methods of data collection were map interpretation and laboratory tests. The data analysis techniques used were the comparative analysis and overlay. The natural stone waste had an impact on irrigation water since the parameter values in irrigation water had increased rather than the parameter value on the source of irrigation water. Though the waste of natural stone had effect on the irrigation water, there were only two of the seven parameters which indicated poor quality, namely pH and RSC. In the study area, irrigation water could still be used to irrigate the fields because it had three types of quality, which are very good, good, and good enough, but there were pH and RSC parameters exceeding the quality standards which had pH 9 and RSC 2,639meq/l located in the Kepuh Village. If it is ignored, then in certain period, it is likely to degrade quality of irrigation water.
PREDIKSI KETERKAITAN RUANG TERBUKA HIJAU (RTH) DAN CEMARAN UDARA DI KOTA SEMARANG Verdiana, Silvia
Geo-Image Vol 4 No 2 (2015)
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Penelitian ini bertujuan: (1) Mengetahui kondisi keberadaan RTH di Kota Semarang; (2)               Mengkaji cemaran udara di Kota Semarang; dan (3) Mengkaji keterkaitan RTH terhadap cemaran udara dengan memanfaatkan fungsi sistem informasi RTH sehingga mampu memberikan informasi dan arahan kebutuhan RTH maupun vegetasi untuk meredam cemaran udara di Kota Semarang. Metode penelitian adalah deskriptif-kuantitatif. Teknik analisis data dalam penelitian ini adalah analisis spasial, analisis deskriptif, dan analisis komparatif. Hasil penelitian menunjukkan, pada lokasi penelitian terdapat beberapa sebaran lahan hijau. Sebesar 15%-25% sebagai taman, 24%-41% sebagai lapangan olah raga, 19%-32% sebagai koridor jalur hijau, dan 41% sebagai pemakaman kecuali pada Semarang Utara dan Semarang Tengah. Cemaran udara berupa CO2 pada lokasi penelitian, Semarang Utara 1.170,77 µg/m3; Semarang Selatan 590,45 µg/m3; Semarang Timur 532,37 µg/m3; dan Semarang Tengah 937,96 µg/m3. Pengadaan sistem informasi RTH dan cemaran udara di Kota Semarang mampu membantu proses monitoring keberadaan optimal RTH dan arahan vegetasi sehingga dapat menjadi salah satu pedoman dalam pengadaan RTH ideal. Selain itu, sebagai media pembelajaran sederhana terkait optimalisasi RTH. Berdasarkan perhitungan sistem informasi, Semarang Timur dan Semarang Selatan merupakan kecamatan yang memiliki optimal RTH ideal karena selisih Lahan Potensial dan RTH Aktual relatif sedikit sehingga pemanfaatan lahan potensial cukup intensif. Sedangkan Semarang Tengah dan Semarang Utara perlu diadakan peningkatan optimalisasi RTH lebih intensif. Arahan Kebutuhan RTH berdasarkan proporsi wilayah yaitu 30% dari luas wilayah perkotaan, perlu penambahan luasan dan peningkatan fungsi  RTH pada lokasi penelitian terutama Semarang Utara dan Semarang Tengah. Pemkot Semarang diharapkan mengeluarkan kebijakan penghijauan perkarangan rumah atau lahan kosong yang belum dihijaukan secara intensif dan berkala. Misalnya dengan mengeluarkan konstitusi terkait luasan lahan hijau di setiap rumah atau minimal memiliki vertical garden.
ANALISIS LEVEL OF SERVICE (LOS) DALAM MENGANTISIPASI KEMACETAN LALU LINTAS MENGGUNAKAN SIG DI JALAN UTAMA KECAMATAN KOTA KENDAL Dipahada, Rima; Parman, Satyanta; Putro, Saptono
Geo-Image Vol 3 No 1 (2014)
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Tingkat pelayanan (level of  service) suatu ruas jalan adalah perbandingan antara volume lalu lintas dan kapasitas jalan. Pada kecepatan tinggi, volume lalu lintas pasti rendah, sebaliknyapada volume tinggi, kecepatan akan menurun. Analisis tingkat pelayanan jalan atau Level Of Service(LOS)  dalam  penelitian  ini  adalah  Jalan  Soekarno-Hatta,  Jalan  Pemuda,  Jalan  Raya  KendalSemarang, dan Jalan Raya Kendal-Jakarta. Salah satu sistem pemantau peningkatan penggunaantransportasi dan peningkatan jumlah kendaraan yaitu dengan menggunakan Sistem InformasiGeografis  (SIG). SIG  dalam  penelitian  ini  digunakan  sebagai  alat  bantu.  Di Jalur Jalan UtamaKecamatan Kota Kendal terdapat 4 halte, 4 titik lokasi traffict light dan 3 jalur pelayanan angkutan kota.  Tingkat  Pelayanan  Jalan Level  Of  Service (LOS)  di  Jalan  Utama  Kecamatan  Kota  Kendal berdasarkan 4 titik lokasi yang telah dilakukan, tertinggi berada pada jalan Raya Kendal-Semarang dengan nilai 0,981 SMP memasuki kelas E. Tingkat Pelayanan Jalan terendah berada pada jalan Pemuda  dengan  nilai  0,445  SMP  memasuki  kelas  B. Simpulannya  adalah  kemacetan  di  jalan utama Kecamatan Kota Kendal kebanyakan terjadi pada jam-jam sibuk berangkat maupun pulang kerja,  banyaknya  bus  dan  angkutan  kota  yang  berhenti  tidak  pada  tempatnya  menyebabkan terjadinya  kemacetan.  Saran  atau  alternatif  untuk  mengntisipasi  terjadinya  kemacetan  adalah dengan menertibkan bus dan angkutan kota agar tidak berhenti di tepi jalan dan penggunaan jalur alternatif. Service level ( level of service ) of a road is the comparison between traffic volume and road capacity . At high speeds , traffic volume is definitely lower , otherwise at high volume , the speed will decrease . Analysis of the level of service roads or Level of Service ( LOS ) in this study is Soekarno- Hatta Road , Road Building, Road Kendal - Semarang and Jakarta - Kendal Road . One of the monitoring sistem and the increased use of transport is increasing the number of vehicles using the Geographic Information Sistem ( GIS ) . GIS is used in this study as a tool. At the Main Street Line City District Kendal there are 4 stops , 4 points and 3 locations traffict light path of urban transportation services . Road Service Levels Level of Service ( LOS ) in the Main Street District of Kendal Town 4 points based on the location that has been done , the highest being at Kendal -Semarang highway with a value of 0.981 junior enters the class E. Road Service lowest level is at street youth with a value of 0.445 entering junior class B. The conclusion is congestion on the main road Kendal Sub City mostly occurs at peak hours left and came home from work , the number of bus stops and public transportation are not in place causing congestion . Suggestions or alternatives to mengntisipasi is to curb congestion and city transport buses that do not stop at the edge of the road and the use of alternative pathways

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