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Akademický článek

An Expanded Spatial Durbin Model with Ordinary Kriging of Unobserved Big Climate Data

Autor: Annisa Nur Falah, Yudhie Andriyana, Budi Nurani Ruchjana, Eddy Hermawan, Teguh Harjana, Edy Maryadi, Risyanto, Haries Satyawardhana, Sinta Berliana Sipayung

Publikováno v: Mathematics, Vol 12, Iss 16, p 2447 (2024)

Spatial models are essential in the prediction of climate phenomena because they can model the complex relationships between different locations. In this study, we discuss an expanded spatial Durbin model with ordinary kriging on unobserved locations

Externí odkaz: https://doaj.org/article/7ca4194a558948cd99e7855947d0c387

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Akademický článek

Southerly Surge Impact on Rainfall Patterns in Southern Indonesia during Winter Monsoon and Madden–Julian Oscillation (MJO)

Autor: Trismidianto, Didi Satiadi, Wendi Harjupa, Ibnu Fathrio, Risyanto, Elfira Saufina, Robi Muharsyah, Danang Eko Nuryanto, Fadli Nauval, Dita Fatria Andarini, Anis Purwaningsih, Teguh Harjana, Alfan Sukmana Praja, Adi Witono, Ina Juaeni, Bambang Suhandi

Publikováno v: Atmosphere, Vol 15, Iss 7, p 840 (2024)

The impact of the southerly surge’s interaction with the MJO on rainfall in this study was investigated using daily rainfall data from 2140 weather-observation stations. The southern surge, which coincided with the MJO, enhanced rainfall in the wes

Externí odkaz: https://doaj.org/article/49c7e830ad6543238f12f2b8139a594c

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Akademický článek

Moisture Origin and Transport for Extreme Precipitation over Indonesia’s New Capital City, Nusantara in August 2021

Autor: Anis Purwaningsih, Sandro W. Lubis, Eddy Hermawan, Dita Fatria Andarini, Teguh Harjana, Dian Nur Ratri, Ainur Ridho, Risyanto, Akas Pinaringan Sujalu

Publikováno v: Atmosphere, Vol 13, Iss 9, p 1391 (2022)

Nusantara, Indonesia’s new capital city, experienced a rare extreme rainfall event on 27–28 August 2021. This heavy rainfall occurred in August, the driest month of the year based on the monthly climatology data, and caused severe flooding and la

Externí odkaz: https://doaj.org/article/a64ca8ffd9d6417fa6492c1c6447fbfa

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Akademický článek

Large-Scale Meteorological Drivers of the Extreme Precipitation Event and Devastating Floods of Early-February 2021 in Semarang, Central Java, Indonesia

Autor: Eddy Hermawan, Sandro W. Lubis, Teguh Harjana, Anis Purwaningsih, Risyanto, Ainur Ridho, Dita Fatria Andarini, Dian Nur Ratri, Retno Widyaningsih

Publikováno v: Atmosphere, Vol 13, Iss 7, p 1092 (2022)

Unusually long duration and heavy rainfall from 5 to 6 February 2021 caused widespread and devastating floods in Semarang, Central Java, Indonesia. The heavy rainfall was produced by two mesoscale convective systems (MCSs). The first MCS developed at

Externí odkaz: https://doaj.org/article/46db8665a5134306b369a44ed95a13f6

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Akademický článek

PENGARUH PERILAKU PENDUDUK DALAM MEMBUANG LIMBAH TERHADAP KUALITAS AIR SUNGAI GAJAHWONG (The Influence of People Behaviour in Disposing Waste to the Gajahwong Water Quality)

Autor: Risyanto Risyanto, M. Widyastuti

Publikováno v: Jurnal Manusia dan Lingkungan, Vol 11, Iss 2, Pp 73-85 (2004)

ABSTRAK Sungai Gajahwong merupakan salah satu sungai yang menjadi sasaran Prokasih (Program Kali Bersih) dan diperuntukkan sebagai sumber air baku Golongan B. Penelitian ini bertujuan untuk (1) mengetahui kualitas air sungai baik fisik maupun kimia,

Externí odkaz: https://doaj.org/article/da193ea9acca4873b88030b32874de67

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