Jurnal Pendidikan Geografi Undiksha
Vol. 14 No. 2 (2026): Jurnal Pendidikan Geografi Undiksha

IDENTIFIKASI PERUBAHAN PENGGUNAAN LAHAN KOPI MENGGUNAKAN CITRA SPOT 7 DI KABUPATEN DAIRI TAHUN 2014-2022

Hartanty Surya Ningsih (Universitas Negeri Medan)
M Taufik Rahmadi (Universitas Negeri Medan)
Rohani Rohani (Universitas Negeri Medan)
M. Ridha Syafii Damanik (Universitas Negeri Medan)
Eni Yuniastuti (Universitas Negeri Medan)



Article Info

Publish Date
31 Aug 2026

Abstract

Changes in coffee plantation land use are closely related to sustainability of production and regional land management. Dairi Regency, as one of the main coffee producing areas in North Sumatra, has shown indications of a decline in coffee land area in recent years. This study aims to identify changes in coffee land use in Dairi Regency between 2014 and 2022 and to analyze the factors influencing these changesThe research method uses a quantitative approach based on remote sensing and Geographic Information Systems (GIS) utilizing SPOT 7 satellite imagery. Land use classification is performed using the Random Forest algorithm, while change analysis is performed using an overlay technique. Accuracy testing is performed using a confusion matrix to obtain the level of classification accuracy. The results indicate a decrease in coffee plantation area accompanied by an increase in non coffee vegetation and built up areas, with an Overall Accuracy of 80 percent and a Kappa value of 0.76. The changes were influenced by climatic, social, and economic factors.

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Journal Info

Abbrev

JJPG

Publisher

Subject

Education

Description

Jurnal Jurusan Pendidikan Geografi (JJPG) is a scientific journal that houses research articles and community service in the fields of law and social sciences. This journal can provide a description of the development of science and technology in the field of geography and geography education for ...