Indonesia is a country that is surrounded by a ring of volcanoes or commonly known as a ring of fire, the implication is there are many disaster caused by tectonic processes such as collisions between plates, earthquakes, and landslides. Landslides are disaster that often occur in Indonesia, especially the study area in Kebonharjo Village. Disaster events cause damage to both the physical and non-physical environment. The mapping of the area used the Geographic Information System method based on actual data provided by the Regional Disaster Management Agency of Kulon Progo Regency in the form of hamlet areas that are prone to landslides and areas that occur landslide disaster. Other data is data from the Geospatial Information Agency to facilitate direct observation and mapping in the research field. The method used is a survey method with a quantitative and qualitative analysis approach. Qualitative analysis was carried out using the method of analyzing the topography and geomorphology of the research area. Quantitative analysis was carried out based on landforms classified with aspects of slope, rock type, soil type, and rainfall intensity. The results of the analysis of these data will produce a landslide hazard map in the research area as a reference that can be used by the local government to determine appropriate environmental management strategies and policies in Kebonharjo Village.
A Forests have many benefits, is as a provider of environmental services for geotourism. The development of geotourism in forest areas is Pinus Pengger, Bantul Regency. The development of Pinus Pengger geotourism must be evident and directed according to the principle of using sustainable geotourism environmental services. The Research was conducted to determine a sustainable geotourism management strategy beneficial and sustainable. The analysis uses the SWOT method, the data support of surveys, and information from various literature. The results of the research show that Pinus Pengger geotourism has a landscaping potential that supports it to be developed. The Pinus Pengger geotourism development strategy comprehensively prioritizes the preservation of the forest environment and involves the community. Sustainable geotourism development can ensure the sustainability of forests and still benefit the community.
Air merupakan salah satu kebutuhan pokok makhluk hidup di bumi. Pemanfaatan Sungai Bedog di Desa Wijirejo, Kabupaten Bantul digunakan untuk kebutuhan pengairan sawah irigasi dan sebagai penerima limbah cair home industry batik. Indikasi pencemaran air sungai yang terdapat di Sungai Bedog berupa warna dan bau yang merusak lingkungan geofisik kimia dan sosial ekonomi. Penelitian ini bertujuan untuk mengetahui kualitas air sungai dan air bawah tanah serta penyebaran limbah, kerentanan air bawah tanah dan air sungai serta arahan pengelolaan sebagai pengendalian pencemaran air sungai dan air bawah tanah. Pengumpulan data penelitian menggunakan metode survei dan pemetaan. Sampel kualitas air bawah tanah dan air sungai menggunakan metode purposive sampling. Data kualitas air menggunakan uji laboratorium dan analisis deskriptif dengan indeks pencemaran. Penentuan tingkat kerentanan pencemaran air bawah tanah menggunakan metode DRASTIC dan tingkat kerentanan air sungai menggunakan metode PCSM (Point Count System Model). Limbah home industry batik yang mempengaruhi kualitas air sungai ditunjukkan dengan parameter Biological Oxygen Demand (BOD) dan Chemical Oxygen Demand (COD) yang melebihi baku mutu dengan status mutu tercemar ringan.
Kelapa sawit merupakan sumber daya alam di sektor perkebunan yang bentuk kanopi hampir seragam, dimana semakin dewasa, tutupan kanopi kelapa sawit akan semakin rapat dan mempengaruhi langsung terhadap karakteristik fisika lingkungan (iklim mikro) disekitarnya. Pendugaan fluks bahang terasa pada pertanaman kelapa sawit penting dilakukan untuk menduga kontribusi kelapa sawit dalam meredam atau melepas panas ke lingkungan. Metode yang digunakan pada penelitian ini adalah metode aerodinamik dan penman-monteith. Hasil menunjukkan bahwa bahwa nilai penerimaan radiasi global, suhu udara, dan kecepatan angin maksimum di kedua perkebunan terjadi pada siang hari , sedangkan nilai maksimum kelembaban relatif pada kedua wilayah terjadi pada pagi hari untuk nilai penerimaan radiasi global dan suhu udara pada lingkungan pertanaman kelapa sawit muda (umur 2 tahun) lebih tinggi darpada umur dewasa ( umur 12 tahun), sedangkan untuk nilai kecepatan angin dan kelembaban relatif terjadi sebaliknya, puncak fluks bahang terasa terjadi pada siang hari pada kedua umur tanaman kelapa sawit. Fluks bahang terasa pada pertanaman kelapa sawit muda (umur 2 tahun) lebih tinggi dibandingkan umur dewasa (umur 12 tahun), dengan nilai rata-rata pada masing-masing pertanaman sebesar 20.02 W/m² dan 9.16 W/m².
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