Syafitri, Rivan (2020) Konsep Adaptasi Fenomena UHI (Urban Heat Island) berdasarkan Urban Configuration kawasan Surabaya Timur. Masters thesis, Institut Teknology Sepuluh Nopember.
Preview |
Text
08111850050005-MASTER_THESIS.pdf Download (21MB) | Preview |
Abstract
Perubahan iklim yang terjadi karena urbanisasi berdampak pada peningkatan suhu perkotaan, atau yang biasa disebut sebagai urban heat island (UHI). Efek panas perkotaan akan terus berkembangan seiring dengan pertumbuhan lahan terbangun yang massive terjadi. Akibatnya rusaknya kualitas lingkungan dan ketidaknyamanan thermal tidak dapat dihindarkan. Karateristik urban configuration seperti jenis material permukaan, geometri perkotaan dan urban green infrastruktur memainkan peran penting dalam adaptasi fenomena tersebut. Namun, Surabaya Timur sebagai salah satu kawasan yang paling terdampak UHI belum banyak menekankan adaptasi berdasarkan urban configuration. Sedangkan mengubah fisik perkotaan yang telah dibangun akan sulit diimplementasikan dan memerlukan biaya yang mahal. Sehingga, tujuan dari penelitian ini adalah menyusun konsep adaptasi berdasarkan karakteristik urban configuration.
Penelitian ini mempertimbangkan pengamatan spasial UHI pada skala lokal dengan menggunakan paradigma positivist. Analisis dilakukan melalui pengamatan citra Landsat untuk memperoleh data spasial UHI dan citra LiDAR untuk mengidentifikasi karakteristik variabel urban configuration. Metode yang digunakan dalam menentukan tingkat pengaruh variabel adalah analisi regresi spasial ordinary least square (OLS). Kalibrasi model menggunakan metode uji asumsi klasik dan cross validation (RMSe). Terakhir adalah menentukan konsep adaptasi melalui model optimasi hasil regresi.
Hasil model optimasi yang didapatkan pada setiap konsep, diantaranya cool material, reflective material, pervious material, urban skyline, hubungan antar bangunan, intensitas pemanfaatan ruang, pola morfologi, green pathway, pepohonan pada lahan privat, green material, meminimalisir barrier perairan, badan air skala kecil pada lahan privat dan instalasi sirkulasi air. Cool material merupakan konsep paling efektif, namun setiap konsep tersebut dapat mendukung satu sama lain berdasarkan karakteristik urban configuration. Sehingga dapat disimpulkan bahwa urban configuration juga perlu dipertimbangkan dalam menentukan konsep adaptasi UHI.
===================================================================================================
Climate change that occurs due to urbanization has an impact on increasing urban temperatures, or commonly referred to as urban heat island (UHI). The effects of urban heat will continue to develop along with the massive growth of built-up land. As a result, damage to the environment and thermal discomfort cannot be avoided. Urban configuration characteristics such as surface material type, urban geometry, and urban green infrastructure play an important role in the adaptation of the phenomenon. However, East Surabaya as one of the areas most affected by UHI has not emphasized adaptation based on urban configuration. Meanwhile, changing the physical urban environment that has been built will be difficult to implement and will require expensive costs. This study aims to develop an adaptation concept based on the characteristics of an urban configuration.
This study considers UHI spatial observations on a local scale using the positivist paradigm. The analysis was carried out by observing Landsat imagery to obtain UHI spatial data and LiDAR imagery to identify characteristics of urban configuration variables. The method used in determining the level of influence of variables is ordinary least square (OLS) spatial regression analysis. The model calibration uses the classical assumption and cross-validation (RMSe) methods. Finally, determine the concept of adaptation through the regression results optimization model.
Optimization model results obtained on each concept, including cool material, reflective material, pervious material, urban skyline, relationships between buildings, the intensity of spatial use, morphological patterns, green pathways, trees on private land, green material, minimizing water barriers, water bodies small scale on private land and water circulation installations. Cool material is the most effective concept, but each of these concepts can support one another based on the characteristics of the urban configuration. So it can be concluded that the urban configuration also needs to be considered in determining the concept of UHI adaptation.
Actions (login required)
 |
View Item |