Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Ahmad Cahyadi"'
Autor:
Margaretha Widyastuti, Eko Haryono, Lintang Fadlillah, Afifudin Afifudin, Ahmad Cahyadi, Romza Agniy
Publikováno v:
Iraqi Geological Journal, Vol 57, Iss 1F, Pp 87-102 (2024)
This research investigates the heavy metal pollution in karst lakes, crucial for fisheries, agriculture, and domestic activities. Target metals include Pb, Cd, Cr, Fe, Zn, and Cu. Objectives comprise assessing pollution levels via the Heavy Metal Pol
Externí odkaz:
https://doaj.org/article/c18e0172282548bc8d5a684a14b4c65e
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 11, Iss 3, Pp 5707-5715 (2024)
Compared to other landforms, karst areas are among those emerging from the dissolution process that have a higher risk of land degradation. The likelihood of karst landforms being harmed is increased by urbanization and other human activities like ex
Externí odkaz:
https://doaj.org/article/9ed3e66f64734efeb9c0aa97038daf78
Publikováno v:
Iraqi Geological Journal, Vol 57, Iss 1B, Pp 253-266 (2024)
Small islands have unique characteristics that make them highly vulnerable to environmental damage and disasters. A good understanding of geomorphological characteristics will greatly assist in understanding the potential damage to natural resources
Externí odkaz:
https://doaj.org/article/146df82073794030a4368e88c755cd01
Autor:
Eko Haryono, Afid Nur Kholis, Margaretha Widyastuti, Ahmad Cahyadi, Hanindha Pradipa, Tjahyo Nugroho Adji
Publikováno v:
Geography and Sustainability, Vol 4, Iss 4, Pp 305-317 (2023)
Karst groundwater is highly vulnerable to contamination, which urges better land use zoning. This paper proposes a new approach, called COCKPIT-PLUS, to minimize groundwater contamination within cockpit karst regions. The method employed four paramet
Externí odkaz:
https://doaj.org/article/a357604f40ba4a3c8124934e903f2622
Autor:
Indra Agus Riyanto, Ahmad Cahyadi
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 11, Iss 1, Pp 4899-4908 (2023)
Epikarst springs are the main source of water used by the community in the western part of Gunungsewu Karst Area. One of the springs found in Gunungsewu karst area is Guntur Spring, with a catchment area that functions as agricultural land and settle
Externí odkaz:
https://doaj.org/article/182e9c37006c4b82bfdca62e361443eb
Autor:
Setyawan Purnama, Ahmad Cahyadi, Andung Bayu Sekaranom, Erik Febriarta, Anugrah Jorgi Firmansyah, Indra Agus Riyanto
Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 10, Iss 2, Pp 4081-4092 (2023)
Like other natural resources, groundwater is also being exploited at an increasing rate, especially for domestic requirements. Groundwater is preferred as a domestic water source because of its continuous availability and relatively good quality. Unf
Externí odkaz:
https://doaj.org/article/10f41fdbcbc247c1b757c60747f2ef05
Autor:
Ahmad Cahyadi, Eko Haryono, Tjahyo Nugroho Adji, Margaretha Widyastuti, Indra Agus Riyanto, Dzakwan Taufiq Nur Muhammad, Naufal Fattah Tastian
Publikováno v:
Indonesian Journal of Forestry Research, Vol 8, Iss 1 (2023)
Karst area is highly susceptible to changes to climate parameters. One of the parameters is rainfall variability. In addition to shaping the condition of water resources, rainfall in the Gunung Sewu karst area determines the nature of crop and livest
Externí odkaz:
https://doaj.org/article/689d5d5392a14cb7a3e4749842b43dce
Autor:
Fajri Ramadhan, Indra Agus Riyanto, Ahmad Cahyadi, Muhammad Naufal, M Widyastuti, Tjahyo Nugroho Adji
Publikováno v:
Jurnal Geografi, Vol 18, Iss 2, Pp 90-96 (2021)
Tropical Cyclones often occur in Indonesia and have disastrous impacts. Until now, no research has focused on time series data related to groundwater discharge and chemistry due to tropical cyclones. Therefore, this study aims to analyze and compare
Externí odkaz:
https://doaj.org/article/fead3977f95748e3820c4df5d1e30181
Autor:
Ahmad Cahyadi, Eko Haryono, Tjahyo Nugroho Adji, M Widyastuti, Muhammad Naufal, Fajri Ramadhan, Romza Fauzan Agniy, Indra Agus Riyanto
Publikováno v:
Jurnal Geografi, Vol 12, Iss 02, Pp 105-114 (2020)
Pemahaman tentang sistem hidrogeologi dan wilayah tangkapan air dari sebuah mata air sangatlah penting. Hal ini untuk membantu pengelolaan yang menjaga kelestariannya. Mataair Beton merupakan salah satu mataair yang memiliki peranan yang sangat penti
Externí odkaz:
https://doaj.org/article/640fc1c3d12a41cb89feb455dac8cbb0
Autor:
Indra Agus Riyanto, Ahmad Cahyadi, Fajri Ramadhan, Muhammad Naufal, Margaretha Widyastuti, Tjahyo Nugroho Adji
Publikováno v:
Jurnal Geografi, Vol 17, Iss 1, Pp 7-14 (2020)
Siklon Tropis Savannah melewati Daerah Istimewa Yogyakarta pada tanggal 17 Maret 2019. Curah hujan yang disebabkan oleh Siklon Tropis Savannah terekam pada stasiun Geofisika badan meteorologi, klimatologi dan Geofisika (BMKG) Yogyakarta sebesar 170,6
Externí odkaz:
https://doaj.org/article/dea55f3cc4a747219f9192444a9aa082