Judul: Planning for Signage Installing in the Landscape of Desa Rembangkepuh as an Ornamental Plant Producer Village
Abstrak: MUTIARA AYU WIDYAKUSUMA NINGRUM. Perencanaan Pemasangan Penanda pada Lanskap Desa Rembangkepuh sebagai Desa Produsen Tanaman Hias. Dibimbing oleh BAMBANG SULISTYANTARA Desa Rembangkepuh merupakan salah satu desa di Kabupaten Kediri yang menjadikan tanaman hias sebagai salah satu komoditas utamanya. Di desa ini, banyak masyarakat yang berprofesi sebagai petani dan penjual tanaman hias. Mereka menanam berbagai jenis tanaman hias dengan komoditas utama bunga bugenvil (Bougainnvillea sp.) dan tanaman penghijauan serta menjualnya di depan rumah. Namun keunggulan tersebut sejauh ini belum dirasakan oleh petani tersebut. Hal ini disebabkan berbagai hal, antara lain tidak adanya penanda yang menunjukkan identitas desa sebagai desa produsen tanaman hias, tidak adanya zonasi yang jelas yang dapat menunjukkan area yang dominan menanam dan menjual setiap kelompok tanaman yang dijual di desa tersebut, dan adanya pandemi COVID-19 yang menyebabkan tanaman hias menjadi sepi pembeli dan petani mengalami banyak kerugian. Oleh karena itu, perlu adanya perencanaan lanskap desa berdasarkan pemasangan penanda secara komprehensif untuk memperkuat jati diri desa sebagai sentra penghasil tanaman hias. Penelitian ini dilakukan dengan proses perencanaan yang meliputi persiapan, pengumpulan data (inventarisasi), analisis dan sintesis, konsep dan pengembangan dengan hasil akhir berupa perencanaan penanda pada lanskap desa dan rekomendasi tanaman hias introduksi untuk ditanam di Desa Rembangkepuh. Analisis dilakukan dengan mempertimbangkan kondisi desa berdasarkan aspek fisik dan biofisik, aspek sosial dan ekonomi, dan aspek bisnis. Analisis untuk perencanaan penanda dalam lanskap dilakukan menggunakan metode wayfinding. Adapun analisis untuk rekomendasi tanaman hias baru, dilakukan dengan menggunakan analisis kualitatif deskriptif. Kata Kunci: Desa Rembangkepuh, Perencanaan Lanskap, Metode Wayfinding, Penanda, Tanaman Hias, MUTIARA AYU WIDYAKUSUMA NINGRUM. Planning for Signage Installing in the Landscape of Desa Rembangkepuh as an Ornamental Plant Producer Village. Supervised by BAMBANG SULISTYANTARA Rembangkepuh Village is one of the villages in Kediri Regency that uses ornamental plants as one of its main commodities. Most of the people in this village work as farmers and sellers of ornamental plants. They grow various types of ornamental plants with the main commodities being bougainvillea (Bougainvillea sp.) and greenery and selling them in front of the house. However, these advantages have so far not been felt by these farmers. This is due to various things, including the absence of signage that show the village's identity as an ornamental plant producing village, the absence of clear zoning that can indicate the dominant areas for planting and selling each group of plants sold in the village, and the COVID-19 pandemic. which causes ornamental plants to become less buyers and farmers suffer a lot of losses. Therefore, there is a need for village landscape planning based on the installation of comprehensive signage to strengthen the village's identity as a center for producing ornamental plants. This research was carried out with a planning process which included preparation, data collection (inventory), analysis and synthesis, concept and development with the final result in the form of planning markers in the village landscape and recommendations for introduced ornamental plants to be planted in Rembangkepuh Village. The analysis was carried out by considering village conditions based on physical and biophysical aspects, social and economic aspects, and business aspects. Analysis for signage planning
Keyword: Tanaman Hias, perencanaan lanskap, ornamental plants, Metode Wayfinding, Desa Rembangkepuh, Penanda, Signage, Rembangkepuh Village, Landscape Planning, Wayfinding Method

Judul: The Landscape Potential Analysis of Pengasinan Sub-District, Depok City for Community Based Ornamental Plants Agrotourism
Abstrak: Kelurahan Pengasinan memiliki komoditas utama berupa tanaman hias yang berpotensi untuk menjadi objek agrowisata di Kota Depok. Sayangnya, kawasan ini belum dikembangkan secara optimal. Penelitian ini bertujuan untuk menginventarisasi dan menganalisis kesesuaian lanskap di Kelurahan Pengasinan serta menentukan kawasan potensial untuk pengembangan agrowisata tanaman hias berbasis masyarakat. Metode yang digunakan pada penelitian ini adalah inventarisasi, analisis potensi masyarakat, analisis potensi pengembangan lahan dan analisis potensi agrowisata dengan metode skoring. Hasil penelitian berupa peta kawasan potensial, konsep, rekomendasi dan strategi pengembangan agrowisata tanaman hias berbasis masyarakat di Kelurahan Pengasinan. Berdasarkan hasil penelitian, Objek wisata potensial di kawasan tersebut berupa sentra tanaman hias, wisata air Situ Pengasinan, budidaya ikan air tawar, pemancingan dan wahana permainan. Masyarakat setempat yang akan menjadi pelaku utama agrowisata telah memiliki kesiapan yang baik dari segi kepemilikan laha, keahlian profesi dan keahlian penunjang. Kondisi fisik lanskap Kelurahan Pengasinan masuk ke dalam kategori sesuai untuk pengembangan agrowisata karena memiliki tingkat kepekaan terhadap erosi yang dominan rendah, serta memiliki jenis penggunaan lahan yang sesuai. Kelurahan Pengasinan memiliki 3 zona yang potensial untuk pengembangan agrowisata tanaman hias yaitu, koridor Jalan Raya Pengasinan, area Situ Pengasinan, dan koridor Jl Panggulan – Jl Legok Semun., Pengasinan Sub-District have ornamental plants cultivation as the main commodity that potential to become an agrotourism object in Depok City. However, this area has not been optimally developed. This study aims to inventory and analyze the suitability of the landscape in the Pengasinan Sub-District and determine the potential areas for the development of community-based ornamental plant agrotourism. The method used in this research are landscape inventory, community potential analysis, land potential development analysis and scoring of agro-tourism potential. The result are potential areas, concepts, recommendations and strategies for the community-based ornamental plant agrotourism development. Based on the research, potential tourism objects in the area are ornamental plant centers, Pengasinan Lake tourism, fish farming, fishing and playground area. The local community who will become the main executor of agro-tourism already have good readiness in terms of land ownership, professional expertise, and supporting expertise. The physical condition of the Pengasinan Sub-District landscape is categorized in the suitable category for agro-tourism development because it has a low sensitivity to erosion, and has the right type of land use. There are 3 potential zones for the development of ornamental plant agro-tourism, namely, the corridor of Jl Raya Pengasinan, Pengasinan Lake area, and the Jl Panggulan – Jl Legok Semun corridor.
Keyword: community development, landscape plants, urban agricultural tourism

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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