scholarly journals Assessing the Spatial-Temporal Land use Change and Encroachment Activities Due to Flood Hazard in North Coast of Central Java, Indonesia

2017 ◽  
Vol 49 (2) ◽  
pp. 165
Author(s):  
Imam Setyo Hartanto ◽  
Rini Rachmawati
Keyword(s):  
Land Use ◽  
Maximum Likelihood ◽  
Land Use Change ◽  
Flood Hazard ◽  
Accuracy Assessment ◽  
North Coast ◽  
Landsat Images ◽  
Land Use Pattern ◽  
Central Java ◽  
Topographic Condition

Demak is known as the second largest region suffering land use change in Java’s North Coast. The topographic condition in downstream affects this area becomes susceptible with flood hazard. This research aims to assess the interactions between flooding, land use change and encroachment activities in Mijen and Wedung sub districts, Demak region, Central Java, Indonesia. This research combines the Driving Force, Pressure, State, Impact and Response (DPSIR) analysis. The supervised classification by Maximum Likelihood of time series Landsat images (2000, 2009 and 2014) was chosen for land cover analysis. The land use change shows that paddy field area descended almost 6%, mangrove forest fall 79% meanwhile settlement grown up almost double in 2000-2014. The result of overall accuracy assessment is 78.23%. The DPSIR result shows that land use change not too affect the flood events but floods influence land use pattern in north and south area of Mijen and Wedung.  AbstrakDemak merupakan daerah tertinggi kedua yang mengalami perubahan penggunaan lahan di wilayah Pantai Utara Jawa (PANTURA). Kondisi topografinya yang berada di daerah hilir mengakibatkan daerah ini rawan bencana banjir. Penelitian ini bertujuan untuk menganalisa interaksi antara banjir, perubahan penggunaan lahan dan aktivitas yang mengakibatkan perubahan lahan di kecamatan Mijen dan Wedung, Kabupaten Demak, Jawa Tengah-Indonesia. Penelitian ini menerapkan analisis DPSIR (Penyebab Utama, Tekanan, Keadaan, Akibat dan Respon) guna memahami akar permasalahan dan efek berantai dari hubungan tersebut. Klasifikasi terbimbing dengan Maximum Likelihood dari Citra Landsat (2000, 2009 dan 2014) dipilih untuk pemetaan dan analisis tutupan lahan. Hasil perubahan penggunaan lahan menunjukkan bahwa sawah berkurang 6%, hutan mangrove terdegradasi sebanyak 79% sedangkan pemukiman berkembang dua kali lipat selama periode 2000-2014. Hasil analisis akurasi menunjukkan nilai sebesar 78.23 %. Hasil analisis DPSIR menunjukkan bahwa perubahan penggunaan lahan tidak terlalu mempengaruhi kejadian banjir tetapi banjir mempengaruhi pola penggunaan lahan di bagian utara dan selatan wilayah Demak.

scholarly journals Distribution of Flood Risk Area in Bodri Watershed of Kendal Regency

2021 ◽  
Vol 6 (2) ◽  
pp. 59-69
Author(s):  
Husna Fauzia ◽  
◽  
Eka Cahyaningsih ◽  
Hery Hariyanto ◽  
Satya Nugraha ◽  
...  
Keyword(s):  
Land Use ◽  
Spatial Modeling ◽  
Flood Risk ◽  
Flood Hazard ◽  
Risk Level ◽  
Flood Hazards ◽  
Risk Area ◽  
Flood Peak ◽  
Risk Levels ◽  
Central Java

Flooding is a catastrophic phenomenon that can occur due to various factors, such as uncontrolled landuse changes, climate change, and weather anomalies, and drainage infrastructure damage. The Bodri watershed in Kendal Regency is one of the watersheds in Central Java, which is categorized as critical based on Decree No.328/Menhut-II/2009. Some of the problems in the Bodri watershed include land use that is not suitable for its designation, flooding, erosion, and landslides. This study aims to conduct spatial modeling to create flood hazard maps and flood risk level maps in the Bodri watershed. The method used is hydrograph analysis, flood modeling, potential flood hazards, and flood risk levels. Analysis of the potential for flood hazards from the spatial modeling inundation map with the input of the flood peak return period of 2 years (Q2), 5 years (Q5), and 50 years (Q50). Vulnerability analysis based on land use maps of flood hazard areas. The distribution of flood-prone areas in the Bodri watershed is in Pidodo Kulon Village, Pidodo Wetan Village, and Bangunsari Village.

Land use change and precipitation implication to hydro-meteorological disasters in Central Java: an overview

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Intan Hapsari Surya Putri ◽  
Imam Buchori ◽  
Wiwandari Handayani
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Quantitative Research ◽  
Rapid Development ◽  
Descriptive Analysis ◽  
Content Type ◽  
Central Java ◽  
Specific Analysis ◽  
The Impact ◽  
Meteorological Disasters

Purpose This study aims to prove that land-use change plays a role in the occurrence of hydro-meteorological disasters in Central Java, especially in relation to its upstream and downstream. Design/methodology/approach The paper presents empirical findings from quantitative research using a spatial analysis and descriptive analysis. Findings The upstream and downstream area of Central Java is categorized as a rapid development area that results in changes in land use and land cover. The findings showed that there was an increasing number of hydrometeorological disasters such as floods and landslides as the impact of land-use change and rainfall conditions. Research limitations/implications Analysis of the relationship between rainfall and disaster events with more technical and specific analysis could be done in the further research. Originality/value In this study, more analysis in the context of river basin systems including upstream and downstream in different periods to examine the linkage between them have been considered and incorporated.

scholarly journals Changes in the Land Use Pattern of the Parat River Subwatershed, Salatiga, Central Java

2020 ◽  
Vol 477 ◽  
pp. 012017
Author(s):  
Seviana Mulia ◽  
Jumari ◽  
Sri Utami ◽  
Tri Retnaningsih Soeprobowati
Keyword(s):  
Land Use ◽  
Land Use Pattern ◽  
Central Java ◽  
Use Pattern

Response of Ecological Services Value to Land Use Change in the Shiyang River Basin: A Case Study in Wuwei Region

2012 ◽  
Vol 518-523 ◽  
pp. 5116-5120
Author(s):  
Pei Ji Shi ◽  
Xue Bin Zhang ◽  
Jun Luo ◽  
Xue Min Zhang
Keyword(s):  
Land Use ◽  
Ecosystem Services ◽  
Land Use Change ◽  
River Basin ◽  
Ecosystem Service ◽  
Main Part ◽  
Land Use Pattern ◽  
Shiyang River Basin ◽  
Unused Land

Based on the detailed survey of land use change in Shiyang river basin, referencing Costanza, and Xie et al’ research results of the value of ecosystem services, this article probed the variation of land use and value of ecosystem service in Wuwei region. The results are: from 1997 to 2006, the area of woodland, construction land and garden land are increasing, while farmland, grassland, water and unused land are continuing to decrease. Land-use intensity is gradually increasing, the land use pattern towards to a centralized style. The values of ecosystem services are overall upward, and change faster than ever. The main part of the value of ecosystem service is constituted by the value of grassland, woodland and farmland. So it’s important to control the expansion of urban construction, strength the protection of the water, restore and enhance regional ecosystem services in the future.

scholarly journals The effect of urbanization on precipitation excess in Thi Tinh Basin

2016 ◽  
Vol 19 (2) ◽  
pp. 67-78
Author(s):  
Viet Van Luong
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Curve Number ◽  
Urban Drainage ◽  
Landsat Images ◽  
Loss Model ◽  
Remarkable Increase ◽  
Scs Curve Number ◽  
Study Results ◽  
Developing Area

Thi Tinh Basin is one of fastest developing area. The urbanization is cause of land use change, which leading the reducing of abtraction and increating of the precipitation excess. The increase of precipitation excess due to urbanization will influence on the urban drainage systems. The purpose of this paper is study of the effect of urbanization on the precipitation excess in Thi Tinh Basin, from 1989 to 2014 and masterplan to 2020. The Method used for these study is SCS Curve Number Loss Model, with landuse data were performed from Landsat Images. The study results show a remarkable increase in the precipitation excess. From 1989 to 2014, precipitation excess was increased 12,9% on the Thi Tinh Basin. On the masterplan to 2020, the accumulated precipitation excess is rather high, for the 180 minutes design hyetograph with period of 10 years repeated, it is from 66,3mm to 94,9mm on the Basin.

scholarly journals When to Detect Changes in Object-Based Image Analysis: Before or after Classification?

2017 ◽  
Author(s):  
Kaisheng Luo ◽  
Fu-lu Tao ◽  
Juana P. Moiwo
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Change Detection ◽  
Coniferous Forest ◽  
Detection Methods ◽  
Landsat Images ◽  
Two Stage ◽  
Smoothing Effects ◽  
Stage Classification ◽  
Elevation Model

This study compared two object-oriented land use change detection methods—detection after classification (DAC) and classification after detection (CAD) —based on a digital elevation model, slope data, and multi-temporal Landsat images (TM image for 2000 and ETM image for 2010). We noted that the overall accuracy of the DAC (86.42%) was much higher than that of the CAD (71.71%). However, a slight difference between the accuracies of the two methods exists for deciduous broadleaf forest, evergreen coniferous forest, mixed wood, upland, paddy, reserved land, and settlement. Owing to substantial spectrum differences, these land use types can be extracted using spectral indexes. The accuracy of DAC was much higher than that of CAD for industrial land, traffic land, green shrub, reservoir, lake, river, and channel, all of which share similar spectrums. The discrepancy was mainly because DAC can completely utilize various forms of information apart from spectrum information during a two-stage classification. In addition, the change-area boundary was not limited at first, but was adjustable in the process of classification. DAC can overcome smoothing effects to a great extent using multi-scale segmentations and multi-characters in detection. Although DAC yielded better results, it was more time-consuming (28 days) because it uses a two-stage classification approach. Conversely, CAD consumed less time (15 days). Thus, a hybrid of the two methods is recommended for application in land use change detection.

scholarly journals Ecosystem Service Value of the Mixed Land Use Pattern in Asia: Thailand’s Experience

2020 ◽  
pp. 56-72
Author(s):  
Nararuk Boonyanam ◽  
Somskaow Bejranonda
Keyword(s):  
Land Use ◽  
Economic Development ◽  
Land Use Change ◽  
Land Use Planning ◽  
Ecosystem Service ◽  
Agricultural Land ◽  
Sustainable Growth ◽  
Ecosystem Service Value ◽  
Land Use Pattern ◽  
Service Value

The rapid increase in economic development and urbanisation along the Eastern Economic Corridor (EEC) of Thailand has accelerated the change in its ecosystem service value (ESV), leading to the demand for related analysis to ensure sustainable growth in the area. The aim of this study is to: (1) evaluate the land use change in Chonburi Province; the most urbanised city in the EEC of Thailand between 2006 and 2016, and (2) assess the land use change impact on ESV. Secondary data from land use maps for 2006 and 2016 was used to evaluate land use change and its impact on ESV using the land use transition matrix, land use dynamic degree, and the benefit transfer method. Urban and built-up land use were found to dominate other use types. The top three highest annual rates of land use change were found in water bodies, rangeland, and urban and built-up land. The ESV in 2016 was found to be 1.31% higher than for 2006. The ecosystem service functions (ESFs) contributing to the increase in ESV were waste treatment, hydrological regulation, climate regulation and recreation and service culture. Future land use planning should focus on increasing wetlands and protecting agricultural land in the study area since these contribute to the highest ESV. In addition, it is essential to balance economic development with ecological enhancement.

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