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Geography

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Universitas Indonesia

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

2020

Articles 1 - 10 of 10

Full-Text Articles in Social and Behavioral Sciences

Landslide Susceptibility Analysis In Kabandungan District And Salak Geothermal Field, West Java, Misbahudin Misbahudin Aug 2020

Landslide Susceptibility Analysis In Kabandungan District And Salak Geothermal Field, West Java, Misbahudin Misbahudin

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

Landslide hazards can be caused by several factors such as lithology, land cover, rainfall, slope, curvature, aspect, distance from river and road. In this study, a landslide susceptibility mapping was carried out using a Geographical Information System (GIS) in Kabandungan District and Salak Geothermal Field, West Java. The data used consisted of an inventory of points and landslide areas totalling 247 using a visual collection of Google Earth imagery. The Weight of Evidence (WoE) model is used to select parameters that cause landslides and to produce landslide vulnerability maps. The results of modeling indicate a positive relationship between selective factors …

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Assessment Of The Groundwater Recharge Potential Areas Using Gis In Kajor Kulon Hamlet, Selopamioro, Imogiri, Bantul, Yogyakarta, Deni Rahman Saputra, Andi Renata Ade Yudono, Partoyo Partoyo Aug 2020

Assessment Of The Groundwater Recharge Potential Areas Using Gis In Kajor Kulon Hamlet, Selopamioro, Imogiri, Bantul, Yogyakarta, Deni Rahman Saputra, Andi Renata Ade Yudono, Partoyo Partoyo

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

Groundwater balance occurs in the presence of recharge and discharge. The process of entering the water in soil takes place with an infiltration-percolation to aquifers. The groundwater recharge area is identified by lithology, land use, slope, rainfall, land, and landform. Kajor Kulon Hamlet, Selopamioro Village, Imogiri Sub-district, Bantul Regency, Special Region of Yogyakarta becomes an area with hilly morphology, active fault areas, and including drought-prone regions. Change of the land function in hilly areas by making settlements and un-irrigation field for farming may cause decreased ability as a recharge area. Research aim sare to assessing, determining, and analyzing the conditions …

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Effect Of Urbanization On Channel Platforms Of River Kaduna From 1962-2017, Kaduna State, Nigeria, Ali Williams Butu, Chukwudi Nnaemeka Emeribe, Dewingong Columbus Leke, Mamman Shaba Jibril Aug 2020

Effect Of Urbanization On Channel Platforms Of River Kaduna From 1962-2017, Kaduna State, Nigeria, Ali Williams Butu, Chukwudi Nnaemeka Emeribe, Dewingong Columbus Leke, Mamman Shaba Jibril

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

The study investigated changes in channel planforms of River Kaduna. Topographic maps were complimented with Mosaic of SPOT 5 satellite and Sentinel-2 images. Results showed that except for sinuosity index and channel length, channel width, braiding and channel migration exhibited considerable changes. These changes were evident in reduced velocity and stream energy, the type of sediment being transported, the silt materials being transported in suspension and the coarse sand and gravels being moved by lift and drag processes which are easily deposited, thus causing the channel to contract and braid. Channel migration occurred as gradual bend shifts leaving no evidence …

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Distribution Of Heavy Metals, Soil Microbial Enzymes And Their Relationship In Kano, Northwestern Nigeria, Mansur Abdul Mohammed, Emmanuel Adewale Olowolafe Aug 2020

Distribution Of Heavy Metals, Soil Microbial Enzymes And Their Relationship In Kano, Northwestern Nigeria, Mansur Abdul Mohammed, Emmanuel Adewale Olowolafe

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

The increase in population and industrial growth has led to increased production of industrial and domestic waste which contain heavy metals in various forms. Therefore, affect the diversity and activities of soil microbes and subsequently affect environmental sustainability. This research aimed at assessing the distribution of heavy metals, soil enzymes, and evaluate the functional relationship if any. The study area was divided into two locations as contaminated and control; thus, each location one square kilometre was demarcated and divided into 25 small square (grid). A Sample was collected in each grid from 0 – 15 cm depth using point composite …

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Seasonal Distribution Of Microbial Biomass Carbon And Some Heavy Metals Around The Industrial Area Of Kano Metropolis, Northwestern-Nigeria, Mansur Abdul Mohammed, Luka Fitto Buba Aug 2020

Seasonal Distribution Of Microbial Biomass Carbon And Some Heavy Metals Around The Industrial Area Of Kano Metropolis, Northwestern-Nigeria, Mansur Abdul Mohammed, Luka Fitto Buba

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

The accumulation of toxic heavy metals in excessive quantities has a detrimental effect on soil quality which interferes with key biochemical processes in soils. It is very imperative to explore soil microbial activities concerning to environmental conditions for sustainable soil management. The study aimed to assess the seasonal distribution of soil microbial biomass carbon (MBC), some heavy metals and pH, and their relationship in the soil ecosystem. Field investigation and laboratory analysis were the main methods adopted as sources of generating data and analyses. Ten soil samples were collected using composite sampling techniques on seasonal bases and then analyzed in …

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Gis-Based Spatial Model For Habitat Suitability Of Babirusa (Babyrousa Celebensis), In Gorontalo Province, Muhamad Khairul Rosyidy, Adi Wibowo Feb 2020

Gis-Based Spatial Model For Habitat Suitability Of Babirusa (Babyrousa Celebensis), In Gorontalo Province, Muhamad Khairul Rosyidy, Adi Wibowo

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

Babirusa (Babyrousa celebensis) is an endemic animal from Gorontalo Province whose population is declining day by day due to poaching, land clearing, and selling babirusa meat in traditional markets in Gorontalo Province. Since 1931 this species has begun to be protected in Indonesia, and since 2008, International Union for Conservation of Nature (IUCN) named the babirusa species as a vulnerable category. This study aims to determine the suitability of babirusa habitat areas (Babyrousa celebensis) in Gorontalo Province with a Geographic Information System (GIS) approach and to determine the relationship of physical characteristics for the habitat of the babirusa habitat in …

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Application Of Forest Canopy Density (Fcd) Model For The Hotspot Monitoring Of Crown Fire In Tebo, Jambi Province, Muhammad Attorik Falensky, Anggieani Laras Sulti, Ranggas Dhuha Putra, Kuswantoro Marko Feb 2020

Application Of Forest Canopy Density (Fcd) Model For The Hotspot Monitoring Of Crown Fire In Tebo, Jambi Province, Muhammad Attorik Falensky, Anggieani Laras Sulti, Ranggas Dhuha Putra, Kuswantoro Marko

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

Indonesia is one of the owners of the 9th largest forest area in the world. Forest area in Indonesia reaches 884,950 km2 . Tebo Regency is a regency in Jambi Province which has a wide forest area of 628,003 Ha. However, this forest area has been reduced due to the conversion of functions of Industrial Plantation Forests (HTI), oil palm plantations, and forest clearing activities for both settlements and plantations which led to the phenomenon of forest and land fires (karhutla). This study aims to get a better knowledge of crowns of fire potential locations in forest areas using remote …

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Characteristics Of Transit Oriented Development Area (Case Study: Jakarta Mrt), Tomi Enjeri Siburian, Widyawati Sumadio, Iqbal Putut Ash Shidiq Feb 2020

Characteristics Of Transit Oriented Development Area (Case Study: Jakarta Mrt), Tomi Enjeri Siburian, Widyawati Sumadio, Iqbal Putut Ash Shidiq

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

The city of Jakarta is famous because the traffic jams, so the transportation sector needs special attention. Based on data from the Jakarta Transportation Management Agency, of the 47.5 million trips in Jakarta City, only 24% used public transportation. The Jakarta City Government has provided public transportation modes, namely the MRT. This mode of transportation offers a basic concept of TOD, area around the 400 meter buffer from the station can be accessed by walking. This concept has been developed in various cities on the Continent of Europe and America. The space conditions in a TOD based area can be …

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Designing The Special Pilot Economic Zone: An Alternative Approach To Revitalize Livelihoods On Peatlands, Ibnu Budiman, Rizky Januar, Willy Daeli, Rahmah D. Hapsari, Eli Nn Sari Feb 2020

Designing The Special Pilot Economic Zone: An Alternative Approach To Revitalize Livelihoods On Peatlands, Ibnu Budiman, Rizky Januar, Willy Daeli, Rahmah D. Hapsari, Eli Nn Sari

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

Peatland restoration projects in tropical countries could prevent environmental disasters such as peat fires. In Indonesia, one of peatland restoration activities is the revitalization of the livelihoods of communities around peatlands. Nevertheless, this activity is still lacking in reducing the environmental pressures from the communities on peatland. We aim to find a comprehensive strategy to design a sustainable bioeconomy on peatlands. This study draws on spatial, qualitative, and quantitative data from the literature, project and policy documents, open-source web application, observations from the field and meetings; and interviews with key stakeholders at national level and three Indonesian provinces. We found …

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Spatial Distribution Patterns Analysis Of Hotspot In Central Kalimantan Using Fimrs Modis Data, Adisty Pratamasari, Ni Ketut Feny Permatasari, Tia Pramudiyasari, Masita Dwi Mandini Manessa, Supriatna Supriatna Feb 2020

Spatial Distribution Patterns Analysis Of Hotspot In Central Kalimantan Using Fimrs Modis Data, Adisty Pratamasari, Ni Ketut Feny Permatasari, Tia Pramudiyasari, Masita Dwi Mandini Manessa, Supriatna Supriatna

Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)

One of the ways to observe the hotspot created by forest fires in Indonesia is through Remote sensing imagery, such as MODIS, NOAA AVHRR, etc. Central Kalimantan is one of the areas in Indonesia with the highest hotspot data. In this research, MODIS FIRMS hotspot data in Central Kalimantan collected from 2017 – 2019, covering 13 districts: South Barito, East Barito, North Barito, Mount Mas, Kapuas, Katingan, Palangkaraya City, West Kotawaringin, East Kotawaringin, Lamandau, Murung Raya, Pulang Pisau, Seruyan, and Sukamara. That is four aspects that this research evaluated: 1) evaluating the spatial pattern using the Nearest Neighbor Analysis (NNA); …

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