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ANALISIS STRATEGI MITIGASI BENCANA BANJIR ROB DI PESISIR KABUPATEN KENDAL TERHADAP INDEKS KERENTANAN PESISIR (CVI) TAHUN 2024 Pratama, Dhimas Rizkhy; Wijayanti, Pipit; Muryani, Chatarina
Indonesian Journal of Environment and Disaster Vol. 4 No. 1 (2025): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jm031719

The rise in sea levels due to ice melting in the Antarctic region increases the risk of tidal flooding, particularly in coastal areas with low-lying topography, such as the northern coast of Java. Kendal Regency is one of the regions vulnerable to this disaster. Therefore, this study aims to (1) analyze the level of coastal vulnerability to tidal flooding in Kendal Regency using the Coastal Vulnerability Index (CVI) in 2024 and (2) formulate mitigation strategies to reduce vulnerability to tidal flooding in Kendal Regency in 2024.The CVI assessment in this study is based on several key parameters, including geomorphology, shoreline changes, land elevation, beach slope, sea level rise, average tidal range, and wave height. The sampling technique was conducted using purposive sampling by selecting sub-districts in coastal Kendal that are affected by tidal flooding. Data collection methods included field observations, image interpretation, and documentation. The mitigation strategy formulation method focuses on parameters that significantly contribute to the vulnerability level in each coastal sub-district. The research findings indicate that (1) the coastal areas of Kendal Regency have varying levels of vulnerability, classified as low and moderate. The low vulnerability category is found in Kangkung, Cepiring, and Brangsong sub-districts, while the moderate category includes Rowosari, Patebon, Kendal, and Kaliwungu sub-districts. (2) The mitigation strategies for the coastal areas of Kendal Regency consist of structural and non-structural approaches. Structural mitigation includes beach reclamation, beach restoration, seawall construction, mangrove planting, polder and retention pond development, breakwater construction, and elevation of houses near the coastline. Meanwhile, non-structural mitigation involves public education and awareness programs (educational campaigns and emergency response training), capacity building for local authorities, and the implementation of an early warning system.

Pemodelan Spasial untuk Prediksi Perubahan Penggunaan Lahan di Kabupaten Kendal, Provinsi Jawa Tengah Nugroho, Albertus Erico Jerry Krisna; Mahdi, Imam; Utami, Siska Dwi; Wijayanti, Pipit; Noviani, Rita
Jurnal Pembangunan Wilayah dan Kota Vol 21, No 2 (2025): JPWK Volume 21 No. 2 June 2025
Publisher : Universitas Diponegoro Publishing Group, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/pwk.v21i2.70203

Dinamika perubahan penggunaan lahan akibat perkembangan wilayah di Kabupaten Kendal menimbulkan tantangan serius terhadap perencanaan tata ruang dan keberlanjutan lingkungan. Penelitian ini bertujuan untuk menganalisis perubahan penggunaan lahan pada periode 2019 hingga 2024 serta memprediksi distribusi penggunaan lahan pada tahun 2039 melalui pendekatan pemodelan spasial. Metode yang digunakan adalah Sistem Informasi Geografis dan model Cellular Automata–Markov Chain untuk mengklasifikasikan serta memproyeksikan transisi penggunaan lahan. Klasifikasi dilakukan dengan metode supervised classification berbasis maximum likelihood, dan evaluasi akurasi dilakukan menggunakan overall accuracy dan koefisien kappa. Model prediksi menunjukkan tingkat akurasi yang tinggi dengan nilai kappa sebesar 0,83. Hasil analisis menunjukkan adanya peningkatan signifikan pada lahan terbangun yang diproyeksikan mencapai 39% dari total luas wilayah pada tahun 2039, sedangkan lahan produktif seperti sawah dan tambak diperkirakan mengalami penurunan. Temuan ini membuktikan efektivitas pemodelan spasial dalam memberikan informasi berbasis data untuk mengantisipasi tren penggunaan lahan di masa depan. Penelitian ini memberikan dasar ilmiah bagi perumusan kebijakan pengelolaan lahan yang berkelanjutan di wilayah dengan pertumbuhan menengah seperti Kabupaten Kendal.

EVALUASI KERENTANAN DAN KESIAPSIAGAAN MASYARAKAT DALAM MENGHADAPI BENCANA TANAH LONGSOR DI DESA BERUK TAHUN 2024 Sagito, Rizaldy Himy; Wijayanti, Pipit; Tjahjono, Gentur Adi
Indonesian Journal of Environment and Disaster Vol. 4 No. 2 (2025): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v4i2.1926

This study analyzes the vulnerability and preparedness of the community in Beruk Village in facing landslide disasters. Due to its hilly topography, the village is at risk of landslides every year, making it essential to enhance community preparedness to reduce disaster impacts and strengthen their resilience in emergency situations. This research adopts a quantitative approach using documentation and questionnaires involving 95 respondents from various hamlets. The data was analyzed spatially and descriptively, focusing on physical, social, economic, and environmental vulnerabilities. Preparedness was measured through indicators such as knowledge, policies, emergency response plans, early warning systems, and resource mobilization. The findings reveal that Pingkok Hamlet has a medium level of vulnerability, while other hamlets like Ngantirejo, Beruk Wetan, Beruk Kulon, and Kambangan have low vulnerability. In terms of preparedness, Ngantirejo, Kambangan, and Gunung Lading Hamlets are deemed relatively prepared, while Pingkok and Beruk Wetan fall under the category of "almost ready." Other hamlets, such as Beruk Kulon and Pringombo, are considered less prepared, and Selangkah Hamlet has shown no significant preparedness for disasters. Efforts to improve preparedness include disaster education, strengthening early warning systems, developing clear evacuation plans, and fostering greater collaboration between the government and the community. These efforts are expected to enhance the preparedness of Beruk Village against landslide disasters.

Tracker Software Assisted Guided Inquiry Learning Model to Improve High School Students' Graphical Representation Ability Aprilia, Ananda; Wijayanti, Pipit; Wilujeng, Insih; Aryono, Ichwan; Dwandaru, Wipsar
Jurnal Pendidikan Fisika Indonesia Vol. 21 No. 1 (2025)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v21i1.3364

This research aimed to improve students' graphical representation using the guided inquiry learning model assisted by the Tracker software. The method used in this research was a pre-experimental study with a one-group pretest-posttest design. The data collection techniques used were observation, interview, and tests. The sample for this research was students of science class X at Public Senior High School. The analysis techniques were carried out using Wilcoxon and N-Gain test calculations. The results of the research showed that the Wilcoxon test produced a significance, which means that there were differences in the guided inquiry learning model assisted by Tracker software to improve the graphical representation abilities of high school students on the Work and Energy topic. The N-Gain test indicated that more than half of the students achieved a high category, while only a small number obtained the low category. Moreover, the N-Gain results for the two-question item indicators showed that most students were in the medium and high categories. Thus, students' graphical representation abilities can be improved using the guided inquiry learning model assisted by the Tracker software.

PEMANFAATAN CITRA LANDSAT 8 UNTUK ANALISIS PENGARUH DEFORESTASI HUTAN JATI TERHADAP TINGKAT KEKERINGAN LAHAN DI KABUPATEN BLORA TAHUN 2013 – 2021 Gery, Fabian; Wijayanti, Pipit; Tjahjono, Gentur Adi
Indonesian Journal of Environment and Disaster Vol. 1 No. 2 (2022): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v1i2.258

This research is conducted to: (1) Analyze teak forest deforestation with land cover and forest density parameter in Blora regency on 2013 – 2021. (2) Analyze the land drought level in Blora Regency with TVDI analysis on 2013 – 2021. (3) Analyze the influence of teak forest deforestation towards land drought level in Blora regency. Quantitative – correlative research method is implemented, with spatial approach. The data analysis technique used are (1) Supervised classification and NDVI analysis, (2) TVDI analysis, and (3) correlation with linear regression analysis. The results show that: (1) In 2013 – 2021, there is reduction of teak forest up to 30.000 hectares in Blora regency, with 13.000 hectares forest density was decreased; (2) There are escalations of TVDI value in 2013 – 2021 period, mainly from Rather Wet to Dry drought level, made up to 20.000 hectares in each period; (3) There is an influence from deforestation towards land drought that is showed by the TVDI increase after deforestation occurred in that area, also the correlation value is between 0,3 – 0,7 with significance F value is below 0,05.

ANALISIS PERUBAHAN PENGGUNAAN LAHAN DAN POLA PEMANFAATAN RUANG TERBUKA HIJAU PUBLIK DI KECAMATAN SUKOHARJO, KABUPATEN SUKOHARJO Nugraini, Niken Tri; Muryani, Chatarina; Wijayanti, Pipit
Indonesian Journal of Environment and Disaster Vol. 2 No. 1 (2023): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v2i1.555

Development in an area results in a change in land use and a reduction in green open spaces, especially public green open spaces. The proportion of Public Green Open Space is 20% of the total area. Public Green Open Spaces are utilized by the general public with various activities. The area studied in this study is Sukoharjo District, with the research objectives (1) to determine changes in land use in 2005 and 2019, (2) to determine the availability and adequacy of Public Open Space in Sukoharjo District, (3) to determine patterns of utilization of Public Open Space in Sukoharjo District. The research uses descriptive qualitative analysis with observation and documentation methods with overlay data analysis techniques and Iconos image analysis. The population in this research is Public Green Open Space with purposive sampling technique. The results of the study show that there have been changes in land use in 2005 and 2019 for each land use, the availability and adequacy of public green open space in Sukoharjo District is only 1.1% of the total area, so it is still insufficient to meet the stated public green open space needs. Community activities in Public Green Open Space are very diverse, and these activities can be patterned according to the activities of utilizing Public Green Open Space in Sukoharjo District, including elongated, spreading, and grouped patterns.

PEMANFAATAN DATA PENGINDERAAN JAUH DAN SISTEM INFORMASI GEOGRAFIS (SIG) UNTUK ANALISA BANJIR (STUDI KASUS: KECAMATAN WANAREJA KABUPATEN CILACAP) Zamani, Muhammad Zaki; Dwijayanti, Septiani Ari; Wijayanti, Pipit
Indonesian Journal of Environment and Disaster Vol. 2 No. 1 (2023): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v2i1.608

Wanareja Subdistrict is one of 24 subdistricts in Cilacap Regency which experiences floods every year. In 2022, until September, Wanareja District will experience four floods. Utilization of remote sensing and Geographic Information Systems (GIS) can be used to determine the level of vulnerability to flood disasters. This study aims to process the parameters that cause flooding and create a flood hazard map using Geographic Information System (GIS) aplikasi. The method used is scoring, weighting, and overlaying the parameters that cause flooding, namely land use, rainfall, slope, altitude, soil type, and river buffer which are processed using the ArcGIS 10.8 application. The results of this study are in the form of a flood vulnerability map which shows that Wanareja District has three levels of flood vulnerability, namely safe, low, and moderate. The low vulnerability level is the area that has the largest area, namely 9927.26 Ha (52%), while the medium vulnerability level is 7254.53 Ha (38%), and the safe vulnerability level has the smallest area, namely 1909.09 Ha (10%) of the total area in the Wanareja District of 19090.88 Ha

ANALISIS PERUBAHAN PENGGUNAAN LAHAN DI KECAMATAN MOJOSONGO KABUPATEN BOYOLALI AKIBAT PEMBANGUNAN GERBANG TOL BOYOLALI Khoirunnisa, Hanin; Wijayanti, Pipit; Utomowati, Rahning
Indonesian Journal of Environment and Disaster Vol. 2 No. 2 (2023): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v2i2.841

Boyolali is one of the districts in the Central Java province that is often passed when the flow of mudik or vacation. The existence of a toll gate in the region prompted the occurrence of land use changes in the area around the Boyolali toll gate. The change in land use in the Mojosongo district from 2011 to 2018 was dominated by the change from the use of land to the fields of 58,17 Ha and the change of the farm to settlements with an area of 78,88 Ha. The research method used is quantitative. The approach used is descriptive. Subsequently, the data collection used is an observation technique for testing the validity of image changes in land use and interpretation of image to find land use changes in the Mojosongo district. The result of this study is the change in land use that occurred in the district of Mojosongo and which was quite large in 2011 to 2018 that is, the transfer of land use function from agriculture to non-agriculture and the change of land function 2018 to 2022 occurred not so significant only the addition of the settlement area but not in the entire district.

ANALISIS KUALITAS AIR SUNGAI SAWUR SEBAGAI UPAYA PENGENDALIAN PENCEMARAN AIR DI KECAMATAN SAMBUNGMACAN KABUPATEN SRAGEN TAHUN 2023 Pradani, Mistika Ayu; Wijayanti, Pipit; Tjahjono, Gentur Adi
Indonesian Journal of Environment and Disaster Vol. 3 No. 1 (2024): Indonesian Journal of Environment and Disaster
Publisher : Disaster Research Center, Universitas Sebelas Maret, Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/ijed.v3i1.1225

Sawur River is a river that is the border of Central Java and East Java which has a brown to black color with a bit turbid so that it is polluted. This study aims to 1) identify the water pollution index in the Sawur River, Sambungmacan District, 2) examine efforts to control water pollution in the Sawur River, Sambungmacan District. Data analysis techniques using the pollution index method to determine the status of river pollution and SWOT analysis to formulate water pollution control efforts. Water samples were tested at 8 sample points and laboratory tests were carried out on nitrates, nitrites, ammonia, phosphates, potassium, detergent, and coliform. The results of the water quality laboratory show that there are several parameter elements that exceed the quality standards, namely nitrite, ammonia, and phosphate. The laboratory results are calculated by the pollution index formula, the pollution index is obtained at all points of the sample categorized as light pollution. According to the SWOT analysis, water pollution control efforts are in quadrant IV with a survival strategy. Efforts that can be made to control water quality over pollution are a) improve the provision of complete information, b) improve coordination between agencies on water pollution, c) increase inventory and identification of polluting sources, d) increase supervision of waste disposal, and e) increase public knowledge and participation for water quality control over pollution.

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