Judul: Pembuatan Model Database Register Petak di IUPHHKHA PT. Mamberamo Alasmandiri, Provinsi Papua.
Abstrak: The forest area development is necessary for the first step of forest management, this stage was aimed to arrange the annual compartments. The compartment is needed to make a register set containing the forest characteristic database on each compartment. Because of the importance of data and information on the every compartment, a database model for Geographic Information System (GIS) is needed. Geographic Information System (GIS) enables us to provide actual and accurate information on forest condition to manage. The aim of the research is to develop database modeling from every compartment at IUPHHK-HA of PT. Mamberamo Alasmandiri. The result of this research are expected to be used as database from every compartment by IUPHHK-HA PT. Mamberamo Alasmandiri to support further forest management activities. The method used in this research was image selection the timeseries ortho rectified landsat image from 2000-2012 derived from LAPAN as a base map, non production area identification, forest area management, RKT block management, compartment management to sub-compartment, and database modeling development subsequently. PT. Mamberamo Alasmandiri consist of production and non production area, this area division was marked as sub-compartment. The non production areaof PT. Mamberamo Alasmandiri consist of conservation area, infrastuctur of management area infrastructur, restricted area, and residental area. The result of GIS database model consist of register about information management conducted in every compartment and information about the identification non production area. The database could be utilized for monitoring and evaluation of compartment.
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Judul: Pembuatan Baseline Sistem Informasi Geografis pada Hutan Areal Kerja IUPHHK-HA PT. Mamberamo Alasmandiri, Provinsi Papua
Abstrak: The utilization of remote sensing and mapping area that is integrated with a geographic information system will greatly assist in the processes of planning and decision making that will relate to forest management. The integration of remote sensing and geographic information system is a baseline, which is data and information that is ready to use in processing/analysis/modeling. The aim of this research is to develop a baseline geographic information system at IUPHHK-HA PT. Mamberamo Alasmandiri, Papua Province. The results of this study are expected to provide map data that has been fitted with a range of accurate supporting information, which can help further activities of the management of PT. Mamberamo Alasmandiri. The method used in this research is data identification, selection and use of timeseries ortho rectified landsat image from 2000-2012 derived from LAPAN as a base map, thematic identification, geometric correction on thematic map owned by PT. Alasmandiri Mamberamo and the development of a baseline map. The results obtained from this research is a thematic data that add up to 17 layers consisting RKU, geology, climate, soil type, slope, forest and water areas, areal structure, land cover, land zonation, management territorial boundaries, block management RKT, buffer zone, customary territorial boundaries, language distribution, prohibited area, distribution of joint territorial (hunting), and the distibution of conflict area. In addition, this research also obtained information in the form of points that add up to 4 layers consisting of forest conditions, log pond, base camp, and residential area.
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Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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