Satriana Fitri Mustika Sari, Ekohariadi, Meini Sondang Sumbawati, Ratna Suhartini
This study develops a corridor-scale land cover evidence base to support planning for the proposed Sidoarjo-Pasuruan rail connection in East Java, Indonesia, where continuing geomorphic and socio-spatial impacts of the Sidoarjo mudflow complicate infrastructure siting and right-of-way decisions. The objective is to quantify land-cover composition within the corridor influence zone and to identify land-use conflicts that may increase acquisition costs, environmental disturbance, or implementation risk. Very-high-resolution QuickBird imagery was geometrically corrected, integrated in a Geographic Information System (GIS), and classified using supervised procedures to delineate major land-cover classes relevant to linear transport infrastructure. Spatial analyses were conducted within a corridor buffer to summarize class-specific areas and to locate segments characterized by concentrated built-up land and other constraints. Results show that rice fields dominate the regional landscape, covering 26,335.15 ha (36.9% of Sidoarjo Regency), with semi-technical rice fields comprising the largest share at 25,339.48 ha. At the corridor scale, feasibility constraints are driven primarily by built-up land: residential areas within the land acquisition footprint account for 9.73 ha (19.75% of the required acquisition area), implying substantial social and compensation implications despite their smaller absolute extent relative to agricultural classes. Industrial land totals 1,901.74 ha, including 1,611.49 ha of non-agricultural industry, highlighting the need to avoid high-value economic zones where possible or to design targeted mitigation where avoidance is not feasible. Methodologically, the study demonstrates that very-high-resolution satellite mapping can improve delineation of narrow, heterogeneous corridor features, thereby enhancing transparency and defensibility of early-stage routing decisions in disaster-affected settings. The outputs provide an empirical basis for corridor screening, prioritization of segments for detailed engineering investigations, and proactive stakeholder and environmental management. Copyright (c) 2026 The Authors, This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. https://creativecommons.org/licenses/by-nc-nd/4.0/
Vocational Education Department, Universitas Negeri Surabaya, 60231, Indonesia; Informatics Department, Universitas Negeri Surabaya, 60231, Indonesia; Electrical Engineering Department, Universitas Negeri Surabaya, 60231, Indonesia
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