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All Journal Kappa Journal Jurnal Widya Climago
Irmawan, Decky
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Humanities Astronomy Education Physics Social Sciences Other

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TIPE PASANG SURUT DI PELABUHAN BENOA BALI DENGAN METODE ADMIRALTY BERDASARKAN DATA AUTOMATIC WEATHER STATION (AWS) Hikmah, Diana; Arisanti, Luh Eka; Irmawan, Decky
Jurnal Widya Climago Vol 2 No 2 (2020): Adaptasi Kebiasaan Baru
Publisher : Pusdiklat BMKG

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Abstract

Benoa Port is the main port in Bali which is actively used for water transportation activities and domestic and international cruise, container loading and unloading, the fishing industry, and water sports activities. To support the development of activities in the area, continuous maritime observation data is needed. BMKG as a national meteorological agency installed an automatic weather station (AWS) around the Benoa Port area, so that maritime observation data can be collected and processed further. The maritime AWS at the Benoa Port is also equipped with sensors that can measure water level. This study uses water level data to determine the type of tides at the Benoa port by using the Admiralty method. The results of this study indicate that the tidal type at Benoa port is a mixed tide prevailing semidiurnal. It is hoped that the results of this study can be useful and become a reference for further research.
Dinamika Sebaran Suhu Udara Menggunakan Citra Landsat 8 di Wilayah Denpasar Periode 2018-2021 Pertiwi, Hanik Wahyu; Yuliara, I Made; Irmawan, Decky
Kappa Journal Vol 7 No 2 (2023): Agustus
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i2.19128

Abstract

Research has been conducted on the Dynamics of Air Temperature Distribution Using Landsat 8 Imagery for the 2018-2021 Period, in the Denpasar area study area with a location point at the Sanglah Geophysical Station. The methods used in this study were Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST), while the analysis used was correlation and validation. The results of the NDVI value study explained that from 2018 to 2021 the NDVI density value was getting higher so that the resulting temperature was low. Meanwhile, the determination of ESG on the dynamics of average air temperature explains that the average air temperature value in each year does not always rise linearly, in 2018 the highest average air temperature distribution was at 29.56 °C, in 2019 it was 35.56 °C, in 2020 it was 25.62 ° C and 2021 it was 30.72 ° C. In testing and analysis, a correlation relationship was obtained between Landsat 8 imagery (band 10 and band 11) and BMKG, which showed that the temperature between Landsat 8 imagery and BMKG was correlated in the same direction. The relationship between the distribution of average air temperatures with the implementation of PPKM in the Denpasar area has nothing to do with it as previously thought. Due to the increase in temperature, landsat 8 and BMKG images are only affected by the atmosphere
Co-Authors Arisanti, Luh Eka Hikmah, Diana Pertiwi, Hanik Wahyu Yuliara, I Made