Increasing smog haze and its impact on oil palm evapotranspiration and gross primary production during the 2015 fire: special discussion on diffuse radiation

Felia Rizky Aulia; Tania June; Yonny Koesmaryono

doi:10.29244/jpsl.12.3.511-521

Felia Rizky Aulia, Tania June, Yonny Koesmaryono

https://doi.org/10.29244/jpsl.12.3.511-521

Issue
Vol. 12 No. 3 (2022): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)

Accepted
2 June 2022

Published
24 September 2022

Keywords:

impact of smog, diffuse radiation, evapotranspiration, primary production, oil palm

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Abstract

In 2015, several regions in Indonesia experienced drought which coincided with the El Nino phenomenon. A drought in Indonesia followed by fires has resulted in oil palm plantations in Jambi being covered by smog. The fire phenomenon has a major impact on the weakening of the sun that enters the earth's surface due to the closure of the atmosphere by thick smog so that it affects gross primary production (GPP) and evapotranspiration of oil palm. This study aims to analyze the intensity of smog based on diffuse radiation and analyze the relationship and pattern of GPP and evapotranspiration to diffuse radiation during the occurrence of smog in 2015. PM₁₀ concentration as a representation of aerosols in the atmosphere on atmospheric transmissivity is negatively correlated with r = -0.8 and p-value = 0.0016. The high diffuse radiation is directly proportional to the atmospheric conditions covered by smog. When the smog cover in the atmosphere was at its peak in October 2015, most of the incoming solar radiation was diffuse radiation. The diffuse fraction with GPP and evapotranspiration was also negatively or inversely correlated. Both have a significant relationship with p-value < 0.05 and r = -0.93 for GPP and r = -0.88 for evapotranspiration. Based on the magnitude of the correlation coefficient, diffuse radiation with GPP has a closer relationship than evapotranspiration.

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Authors

Felia Rizky Aulia

Student of the Fast Track Program of the Applied Meteorology Study Program, Faculty of Mathematics and Natural Sciences, IPB University, IPB Darmaga Campus, Bogor, 16680, Indonesia

Tania June

IPB University

taniajune@apps.ipb.ac.id (Primary Contact)

Yonny Koesmaryono

Division of Agrometeorology, Department of Geophysics and Meteorology, Faculty of Mathematics and Natural Sciences, IPB University, IPB Darmaga Campus, Bogor, 16680, Indonesia

AuliaF. R., JuneT. and KoesmaryonoY. (2022) “Increasing smog haze and its impact on oil palm evapotranspiration and gross primary production during the 2015 fire: special discussion on diffuse radiation”, Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management). Bogor, ID, 12(3), pp. 511-521. doi: 10.29244/jpsl.12.3.511-521.

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