During the extreme dry season of 2019 massive fires broke out on peatlands in South Sumatera. This study examines the dynamics of rainfall and temperature in the peatlands of South Sumatera in the 2019 dry season as one of the fire disaster mitigation efforts. The data used are in situ measurement data by the Peatland Restoration Agency’s measurement stations on two peatlands in South Sumatera. The results of this study indicate that rainfall in July until October 2019 was very minimal even in one of the study sites in August there was no rain. This shows that rainfall anomaly has occurred along with massive fires so that rainfall is possible to be used as one of the fire control parameters in peatlands. The lack of rainfall in South Sumatera during this period was due to the positive Indian Ocean Dipole phenomenon that occurred in the Indian Ocean. The results of this study also showed that temperature did not have a clear pattern of relationship with fire events on peatlands.
Abstrak TPA Sukawinatan Palembang merupakan salah satu TPA yang menerapkan sistem open dumping. Sistem ini berpotensi menyebabkan terjadinya pencemaran lindi ke lingkungan, terutama pencemaran air tanah. Tujuan dari penelitian ini adalah untuk mendeskripsikan kualitas lindi dengan parameter DHL, pH, BOD, COD, Zn untuk menganalisis kualitas air tanah, dan untuk mengevaluasi hubungan antar kualitas lindi dengan kualitas air tanah di sekitar TPA Sukawinatan. Pengambilan sampel lindi dilakukan di sumur penduduk. Hasil analisis dibandingkan dengan Peraturan Menteri Kesehatan No.416 tentang Baku Mutu Air Bersih Tahun 1990. Hasil laboratorium menunjukkan bahwa sumur penduduk teridentifikasi tercemar lindi sebesar Abstract TPA Sukawinatan Palembang is one of the TPA that implements an open dumping system. This system has the potensial to cause leachate pollution to the environment, especially groundwater pollution. The purpose of this study was to describe the quality of leachate with the parameters DHL, pH, BOD, COD, Zn to analyze groundwater quality and to evaluate the relationship between leachate quality and groundwater quality around the Sukawinatan TPA. Sampling of leachate was carried out in resident wells. The results of the analysis were compared with the Regulation of the Manister of Health No. 416 concerning the Clean Water Quality Standard in 1990. The laboratory results showed that the population wells identified as contaminated with leachate were Kata kunci: Leachate, DHL, pH, BOD, COD, Zn
The research about fractures identification around the geothermal manifestations of The Airklinsar Ulu Musi (AUM) in South Sumatra Indonesia has been carried out. The specific identification was carried out using 2D resistivity method. There are at ease four measurement lines were properly used (The proper length is 384 m.). Those are direct parallel to each other (with the considerable distances are 150 m), and also to the possible strike of Barisan Mountain. Line 1 typically comprises a visible track that intersects some of the geothermal manifestations. The ultimate aim of the comprehensive study was to accurately determine the porous zone scientifically based on the local distribution of rock resistivity values. This porous region is analogous to an extensive area of the possible fracture that acts as a conduit for geothermal fluid to the earth surface. The satisfactory results sufficiently showed that the fracture zone pattern was only exist below Line 1 (with a possible distance of 256-288 m), with starting at a desired depth of five up to 35 m. The specific zone is accurately represented by the resistivity value ranging 15 up to 192 Ωm. Furthermore, it can be reasonably assumed that the fracture pattern below the Line 1 is precisely a possible crack. It extends inward (not extending in the possible direction of the other line) until it encounters the primary fault, the Sumatran Fault.
Iklim Indonesia sangat dipengaruhi oleh fenomena ENSO dan IOD. Penelitian ini bertujuan untuk mengetahui pengaruh ENSO dan IOD terhadap kelembaban udara dan temperatur udara di Kota Palembang. Data yang digunakan adalah data kelembaban udara relatif dan temperatur udara hasil pengukuran stasiun klimatologi BMKG kelas 1 Kota Palembang selama 5 tahun (2017)(2018)(2019)(2020)(2021). Data tersebut diolah secara grafis dan statistik untuk mencari kaitan ENSO dan IOD dengan kedua parameter tersebut serta mencari korelasinya. Hasil penelitian ini menunjukkan bahwa fenomena IOD+ dan El Niño yang terjadi pada tahun 2018-2019 menyebabkan kenaikan nilai kelembaban udara. La Niña yang terjadi pada tahun 2021-2022 juga menyebabkan kenaikan nilai kelembaban udara, namun kenaikannya lebih rendah jika dibandingkan dengan tahun 2018-2019. Fenomena IOD+ dan El Niño pada tahun 2019 menyebabkan kenaikan temperatur udara. Hal ini diperkirakan akibat adanya kebakaran lahan gambut yang masif pada tahun 2019. La Niña 2020-2021 juga menyebabkan kenaikan temperatur udara, namun kenaikannya tidak sebesar kenaikan tahun 2019. Didapatkan juga bahwa korelasi antara kelembaban udara dan temperatur udara adalah lemah.
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