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All Journal Indonesian Journal of Geography Journal of Socioeconomics and Development Indonesian Journal of Oceanography
Edy Trihatmoko
Departement Of Geography, Universitas Negeri Semarang
Agriculture, Biological Sciences & Forestry Arts Humanities Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Social Sciences

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Rural–Urban Transformation and Landuse Dynamics in Gunungpati on the Northern Flank of Mt. Ungaran, Semarang, Indonesia Juhadi Juhadi; Tjaturahono Budi Sanjoto; Elok Surya Pratiwi; Edy Trihatmoko; Istiqomah Istiqomah; Aprillia Findayani
Indonesian Journal of Geography Vol 53, No 2 (2021): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.52385

Abstract

Most of the northern flank of Mt. Ungaran is subject to intensive land occupation that makes landuse change inevitable. The research objectives of this study were to examine the spatial patterns of land-use dynamics from 1997 to 2018 and to analyze their impact on the rural–urban structure of Gunungpati sub-district using on-screen digitation. Rural–urban structure was analyzed based on landuse composition by area in each village. This research revealed that forest areas and paddy fields were decreasing year by year. Over the study period of 21 years, Gunungpati experienced deforestation of 1,777 ha and increase in built-up area of 1,295 ha, forcing shifting in rural structure. Most villages that were categorized as rural frame zones in 1997 had changed into urban–rural frame zones by 2018. This situation must be controlled, since much of Gunungpati territory plays a significant role as a groundwater recharge zone for the Semarang lowland area.  
Carrying capacity and food self-sufficiency of paddy field resources: NDVI analysis in Batang Regency, Central Java Province, Indonesia Ananto Aji; Edy Trihatmoko; Sigit Bayhu Iryanthony
JOURNAL OF SOCIOECONOMICS AND DEVELOPMENT Vol 4, No 2 (2021): October
Publisher : Publisher of Widyagama University of Malang (UWG Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsed.v4i2.2266

Abstract

Food self-sufficiency policy in Indonesia relies on the sustainability of productive land that meets the requirements for carrying capacity of agricultural land. But the fact is that in various regions, the existence of agricultural land resources is increasingly being degraded in terms of quantity and quality. This study aims to evaluate paddy field with NDVI analysis with extensive GIS calculations and integrated with the food self-sufficiency formulas. Monitoring of paddy field area using remote sensing and mapping techniques has been well recognized and efficient. The research was conducted in Batang Regency, Central Java Province, Indonesia, that annually produces 104,211ton rice on average. The results showed that the production of lowland rice is sufficient to meet the daily rice needs of 897.19 gr per capita. The regency also showed a surplus of rice production of more than 342 gr per capita above the daily needs, fulfilling the criteria of food self-sufficiency. Food self-sufficiency classification is associated with the carrying capacity analysis found ca. 4.179 (α>1), revealing that rice production can fulfil the needs of the population of Batang Regency.  JEL Classification 013; Q00; R11
Penelitian Pendahuluan (Preliminary Research) Intrusi Air Laut di Desa Sriwulan, Demak, Indonesia Edy Trihatmoko; Husein Sadewa Wiguna; Tjaturahono Budi Sanjoto; Juhadi Juhadi; Hariyadi Hariyadi; Sugeng Widada; David Milliano Josanova; Abd Basith Mukhlas; Muhammad Taqy
Indonesian Journal of Oceanography Vol 2, No 4 (2020): Indonesian Journal of Oceanography
Publisher : University of Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2450.471 KB) | DOI: 10.14710/ijoce.v2i4.9304

Abstract

Intrusi air asin adalah suatu peristiwa penyusupan air asin ke dalam akuifer di mana air asin menggantikan atau tercampur dengan air tanah tawar yang ada di dalam akuifer. Permasalahan yang timbul dengan adanya intrusi air asin adalah rusaknya air tanah akibat kontaminasi mineral garam laut. karakteristik geomorfologi wilayah Desa Sriwulan, Kecamatan Sayung, Kabupaten Demak yang cenderung datar dan sifat materialnya yang didominasi oleh sedimen alluvial membuat daya resapan air laut semakin tinggi. Penggunaan air tanah yang telah mengalami intrusi untuk dikonsumsi maupun kegiatan lain untuk keperluan domestik, dapat mengganggu kesehatan, karena air ini telah mengandung senyawa garam yang tinggi dan dapat mengganggu metabolisme yang terjadi di dalam tubuh manusia. Penelitian ini bertujuan untuk mengetahui distribusi intrusi air asin. Pengukuran geolistrik dilakukan pada tanggal 24 – 25 April 2020. Pengukuran intrusi air asin sendiri diolah dengan menggunakan software Progress untuk mendapatkan interpretasi bawah permukaan menggunaan metode geolistrik resistivitas. Berdasarkan Hasil interpretasi penampang litologi, intrusi air asin terjadi pada kedalaman 0 – 30 m yang memiliki litologi lempung dan lanau pada seluruh lokasi pengukuran di Desa Sriwulan
Co-Authors Abd Basith Mukhlas Ananto Aji Aprillia Findayani David Milliano Josanova Elok Surya Pratiwi Hariyadi Hariyadi Istiqomah Istiqomah Juhadi Juhadi Muhammad Taqy Sigit Bayhu Iryanthony Sugeng Widada Tjaturahono Budi Sanjoto Wiguna, Husein Sadewa