Gatot H. Pramono, Gatot H.
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Penggunaan Sistem Informasi Geografis untuk Menghitung Dimensi Lumpur Panas di Porong, Sidoarjo Pramono, Gatot H.; Sardjono, Seno P.
Forum Geografi Vol 21, No 2 (2007): December 2007
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The hot mud extrusion in Porong, Sidoarjo since May 29, 2006 has impacted many aspects including social, culture, economy and transportation. Several weeks later, a collaborative team was formed to investigate the factors controlling the hot mud extrusions. One important aspect is concerning the mud dimensions such as its perimeter, area, volume and discharge. Bakosurtanal was assigned to carry out this task. Field surveys to acquire the mud heights were conducted twice within one month interval. Geographic Information System (GIS) using 3 dimentional approach was employed to compute the mud dimesions. One of the results show that the mud discharge is about 50.000 m3/day. This value was later commonly used to refer the magnitude of the hot mud.
Akurasi Metode IDW dan Kriging untuk Interpolasi Sebaran Sedimen Tersuspensi di Maros, Sulawesi Selatan Pramono, Gatot H.
Forum Geografi Vol 22, No 2 (2008): December 2008
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v22i2.4988

Abstract

Physical conditions of seawater in coastal area can be studied by sampling at several locations. To perform spatial analysis, the data should be interpolated to get the values between sample points. Several approaches for interpolation may result in different outcomes. The purpose of this research is to compare Inverse Distance Weighted (IDW) and Kriging methods. Their parameters are studied using the total suspended sediments in Maros area, South Sulawesi. The results show that the more accurate interpolation is obtained by using IDW method than using Kriging method.
Penggunaan Sistem Informasi Geografis untuk Menghitung Dimensi Lumpur Panas di Porong, Sidoarjo Pramono, Gatot H.; Sardjono, Seno P.
Forum Geografi Vol 21, No 2 (2007): December 2007
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v21i2.2359

Abstract

The hot mud extrusion in Porong, Sidoarjo since May 29, 2006 has impacted many aspects including social, culture, economy and transportation. Several weeks later, a collaborative team was formed to investigate the factors controlling the hot mud extrusions. One important aspect is concerning the mud dimensions such as its perimeter, area, volume and discharge. Bakosurtanal was assigned to carry out this task. Field surveys to acquire the mud heights were conducted twice within one month interval. Geographic Information System (GIS) using 3 dimentional approach was employed to compute the mud dimesions. One of the results show that the mud discharge is about 50.000 m3/day. This value was later commonly used to refer the magnitude of the hot mud.
Akurasi Metode IDW dan Kriging untuk Interpolasi Sebaran Sedimen Tersuspensi Pramono, Gatot H.
Forum Geografi Vol 22, No 1 (2008): July 2008
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v22i1.4929

Abstract

Physical conditions of seawater in coastal area can be studied by sampling at several locations. To perform spatial analysis, the data should be interpolated to get the values between sample points. Several approaches for interpolation may result in different outcomes. The purpose of this research is to compare Inverse Distance Weighted (IDW) and Kriging methods. Their parameters are studied using the total suspended sediments in Maros area, South Sulawesi. The results show that the more accurate interpolation is obtained by using IDW method than using Kriging method.
KAJIAN MANAJEMEN RULEBASE UNTUK MENENTUKAN KAWASAN BUDIDAYA KELAUTAN YANG BERKELANJUTAN Sutrisno, Dewayany; Rahadiati, Ati; Pramono, Gatot H.
MAJALAH ILMIAH GLOBE Vol 13, No 1 (2011)
Publisher : Badan Informasi Geospasial

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (494.05 KB) | DOI: 10.24895/MIG.2011.13-1.107

Abstract

Cuaca yang tidak menentu dan sarana prasarana perikanan yang minimal merupakan penghambat utama bagi para nelayan tradisional untuk meningkatkan ekonomi mereka. Untuk mengatasi hal ini usaha budidaya merupakan alternatif terbaik bagi para nelayan. Analisa geospasial dengan menggunakan rulebase yang akurat merupakan solusi terbaik dalam menentukan wilayah potensial guna mendapatkan perencanaan pembangunan wilayah pesisir yang berkelanjutan. Tulisan ini bertujuan untuk mengkaji parameter rulebase yang tepat untuk keperluan kajian spasial potensi budidaya. Dengan mengambil contoh kasus budidaya rumput laut di beberapa wilayah di kawasan timur Indonesia, seperti Kabupaten Gorontalo Utara dan Boalemo. Hasil analisis memperlihatkan adanya perbedaaan parameter rulebase yang sangat dipengaruhi kondisi lokal serta hasil yang berbeda berdasarkan pilihan metodenya. Dalam hal ini pengembangan sistem basis model multi tematikal merupakan solusi yang terbaik untuk mengatasi perbedaaan ini, baik itu disebabkan oleh perbedaan parameter maupun metode analisanya.Kata Kunci: Basis Aturan, Basis Model, Budidaya Laut, Rumput LautABSTRACTWeather uncertainty and inadequate infrastructure become the main problems for traditional fisherman. The development of marine culture is the alternative solution to overcome those problems. For marine sustainable utilization, zonation or spatial planning of the coastal area has to be developing beforehand, especially for the marine cultural area. Geospatial analysis using accurate rule base model are the best method for determine the utilize area. The aim of the study is to assess the accurate parameters to construct the rule base system of marine culture. Using the eastern part of Indonesia as the study area, such as Gorontalo and Boalemo regency, and seaweed culture as the case, the study was employed. The result of assessment indicates that the parameters are regionally or localized dependable. And so does the methodology. In this case, multi theme model base development is supposed to be the best solution or bridging the differences in parameters or in method.Keywords: Rule Base, Model Base, Marine Culture, Seaweed
PEMETAAN PROFIL HABITAT DASAR PERAIRAN DANGKAL BERDASARKAN BENTUK TOPOGRAFI: Studi Kasus Pulau Panggang, Kepulauan Seribu Jakarta Setyawan, Iwan E.; Siregar, Vincentius P.; Pramono, Gatot H.; Yuwono, Doddy M.
MAJALAH ILMIAH GLOBE Vol 16, No 2 (2014)
Publisher : Badan Informasi Geospasial

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (719.617 KB) | DOI: 10.24895/MIG.2014.16-2.58

Abstract

ABSTRAKHabitat dasar perairan dangkal mempunyai peran besar baik secara ekonomi maupun ekologi. Ketersediaan informasi habitat dasar menjadi sangat penting seiring kesadaran pengelolaan berbasis lingkungan. Citra satelit menjadi salah satu sumber untuk identifikasi dan informasi spasial. Pada umumnya informasi luasan habitat dasar perairan dihitung secara planimetrik. Hal ini menyebabkan kurang akuratnya hasil luasan terutama pada daerah dengan variasi topografi yang besar dan untuk pemetaan skala besar seperti pada pulau kecil. Tujuan dilakukannya penelitian ini yaitu untuk memberikan alternatif metode pemetaan dalam perhitungan luas habitat bentik yang lebih akurat dengan mempertimbangkan topografi dasar perairan. Kemampuan citra satelit multispektral menembus kolom air dapat digunakan untuk memberikan informasi habitat dasar dan morfologi dasar perairan. Pendekatan penelitian ini dilakukan dengan menggabungkan nilai batimetri dan hasil identifikasi habitat sehingga menggambarkan kondisi nyata dan memperoleh luas yang lebih mendekati kenyataan. Penelitian dilakukan di P. Panggang, Kepulauan Seribu Jakarta. Hasil penelitian menunjukkan terjadinya perbaikan luasan habitat dasar kelas karang 2,85%, karang dan Death Coral Algae (DCA) 1,08%, lamun rapat 0,38%, lamun sedang 0,12%, pasir 0,11%, pasir berlamun dan pasir rubble masing-masing sebesar 0,06%.Kata Kunci: pemetaan, Citra Worldview-2, habitat dasar, topografi dasar lautABSTRACTShallow water benthic habitat has a major role both economically and ecologically. The availability of benthic habitat information become very important along with the awareness of management based on environment. Satellite imagery becomes one of the sources for the identification and spatial information. In general, information of habitat benthic area isobtained only planimetric calculated. This leads toless accurate results, especially in the area of the large variations in topography and for detail scale mapping of such small island. The purpose of the study is to provide an alternative method of mapping the benthic habitat area calculation more accurate by considering benthic topography. Penetration of multi spectral bands gives benefits to identificate of benthic habitat and sea bottom morphology. The approach of this study by incorporating the results of the identification of habitats and bathymetry extract of Worldview-2 image combined to obtain more accurate results closer to reality. The study site is around Panggang Island, Jakarta. The results showed an improvement on habitat area measurement indicated by the correction of each habitat classes: coral habitat increase2.85%, coral with Death Coral Algae (DCA) increase 1.08%, dense seagrass increase 0.38%, medium seagrass increase 0.12%, sand increase 0.11%, sand with rubbleand sand with coarse seagrass respectively increase by 0.06%.Keywords: mapping, Worldview-2 Imagery, benthic habitat, sea surface topography