Purpose
The purpose of this paper is to examine the inter- and intra-relationships between climate change and urban flood risk in Balikpapan city.
Design/methodology/approach
This study adopts a qualitative method by applying the driver–pressure–state–impact–response (DPSIR) framework, which helps to determine the strategies for reducing flood vulnerability in response to drivers, pressures, states and impacts. A secondary survey was conducted to understand the DPSIR.
Findings
The key drivers are identified as the population growth, land-use change, climate change and urbanization. Secondary data show that population growth due to urbanization in Balikpapan city is very high, which means that there is a lot of demand for land in the city, and the city’s current responses are mostly focused on building flood control and prevention infrastructures like detention ponds, zero Q technology policies and green open space. The study reveals that the responses that have been implemented in Balikpapan are mostly ineffective problem-solving, which cannot reduce vulnerability to flooding for the long term.
Originality/value
To the author’s knowledge, this is the first instance of the DPSIR framework being applied to Balikpapan city. It is, therefore, hoped that the study results will provide feasible directions to the city government for managing the future flood risks
Permasalahan ketersediaan air dikota Balikpapan menjadi isu yang belum terselesaikan. Dengan jumlah penduduk sebesar 736.807 jiwa (tahun 2015), waduk Manggar sebagai pemasok utama kebutuhan air penduduk hanya mampu mensuplai 73% dari total kebutuhan air di Balikpapan. Dengan tingkat pertumbuhan penduduk sebesar 4.3% dalam rentang waktu 2014-2015, maka masalah penyediaan air baku menjadi kekhawatiran yang sangat krusial dimasa mendatang. Oleh karena itu, maka perlu adanya sebuah kajian untuk melihat kemampuan waduk ini dalam pemenuhan kebutuhan air dimasa mendatang. Metode yang digunakan adalah menggunakan proyeksi 20 tahun kedepan dengan perkiraan jumlah penduduk ditahun 2035 sebesar 3.585.168 jiwa dengan kebutuhan air sebesar 319.464.28 m3. Hasil analisa diketahui bahwa Waduk Manggar masih mampu memenuhi 60,7% dari total kebutuhan air Kota Balikpapan pada tahun 2035.
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