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Canal Bulkhead Design Preventing Blockage of River Flow – A Case Study in the Bangah River, Sebangau National Park, Indonesia

Perkasa Petrisly, Gumiri Sulmin, Wahyudi, Permana Indrawan

Ecological Engineering & Environmental Technology

2024

Vol. 25, iss. 2

150--156

Vast tropical peat swamp forests in Sebangau, Central Kalimantan, Indonesia, make it difficult for officials to fight forest fires. Peat swamp forest fires are recurring events caused by anthropogenic activities around the forest. This research aimed to develop a new canal bulkhead design that prevents blockage of river flow. The approach employed involves enhancing current structures through engineering design in order to decrease the occurrence of structural breakdowns that impede the flow of rivers. The research yielded a new design for a canal bulkhead, featuring an enhanced one-meter-wide sluice gate in a "U" shape, as well as an upgraded boat ladder for passage. The novelty of the present study resides in the design of the canal bulkhead dwelling, which incorporates a ladder, enabling the inhabitants to utilize the canal without obstructing its flow. As a result, there is an enhancement in environmental safety as there are now efficient methods to promptly suppress wildfires.

Dynamic model engineering of sustainable agriculture as a pragmatic concept of critical land management

Maroeto Maroeto, Santoso Wahyu

Journal of Water and Land Development

2022

no. 55

56--59

According to many experts, the water crisis will be one of the most important challenges in the coming years on the planet. Watershed management is one of the most effective ways to conserve rainwater and develop water resources. The purpose of the study was to obtain a model of critical land management in the Welang watershed area. This study uses a dynamic systems approach based on a causal philosophy (cause and effect) through a deep understanding of how a system works. The parameters used are based on sustainable agriculture in terms of physical sustainability aspects/critical land from erosion factor indicators. Model validation is done by comparing the behaviour of the model with a natural system (quantitive behaviour pattern comparison), namely the Mean Absolute Percentage Error (MAPE) Middle-Value Test. Modelling is supported by Powersim Studio Express Software ver. 10. The results show that the physical sustainability model/critical land using a simulation scenario of 25% erosion control funds shows a trend of increasing production land area and tackled land area followed by a decrease in annual erosion weight. The economic sustainability model obtained results at the end of the projected year showing farm revenues IDR 63,591,396 (USD1 ≈ IDR14.27 thous. in average in 2021). This means that the higher the acceptance value, the farming can provide economic welfare for farmers.