Jurnal Chemurgy
Vol 8, No 1 (2024): Jurnal Chemurgy-Juni 2024

THE EFFECT OF COAL MINING ACTIVITIES ON HYDROLOGICAL PARAMETER CHANGE

Hasan, Harjuni (Unknown)
Sarwono, Edhi (Unknown)



Article Info

Publish Date
25 Jun 2024

Abstract

Mining is a conventional activity that alters the natural landscape and causes hydrological parameter changes and environmental disruptions, such as hampered vegetation growth due to water table subsidence, damaged productive land that affects the river flow, water pollution, deforestation, and erosion. Land clearing for coal mining activity potentially damages the soil layer structure, due to the loss of ground cover vegetation, so hydrological parameter changes, including an 11.79% (50.55 mm) decreased base flow, 40.35% (273.73 mm) increased direct runoff, 21.92% (250.30 mm) increased surface runoff, an 15.73% (76.21 mm) decreased infiltration, 11.03 % (122.52 mm) increased potential evapotranspiration, causing fluctuating river debit. Every 10 Ha of land clearing for mining activities related to 51.46% (291.36 mm) increased runoff. Meanwhile, the postmining activities, including reclamation and vegetation, could only decrease the baseflow by 6.95% (5.95 mm) while increasing the direct runoff, surface runoff, infiltration, and potential evapotranspiration by 9.36% (89.11 mm), 11.19% (148.20 mm), 3.81% (15.56 mm), and 1.73% (21.34 mm), respectively. Furthermore, every 10 Ha of reclamation area is related to an 47.22% (264.62 mm) decrease in runoff.

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Journal Info

Abbrev

TK

Publisher

Subject

Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Environmental Science

Description

Jurnal Chemurgy is published by Department of Chemical Engineering, Engineering Faculty, University of Mulawarman. This journal dedicated to the topics that relevant to Chemical Engineering, such as Energy, Thermodynamics, Optimization Process & Sustainable Process, Process Control, Material ...