Komparasi Tiga Model Infiltrasi Pada Lahan Pertanian Dan Agroforestri Di Das Merawu – Banjarnegara

Ngadisih, Ngadisih; Suryatmojo, Hatma; Satriagasa, M C; Annisa, Maya; Kumolo, Cahyo

doi:10.29303/jrpb.v8i1.157

Cited by 5 publications

(3 citation statements)

References 3 publications

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“…The Horton infiltration model performed well at 18 observation points of infiltration rates on dry and rainfed land [6]. Furthermore, the Horton infiltration model proved to be better than Philip's and Kostiakov's models in predicting infiltration rates from 12 observation points on agricultural land in the Merawu Watershed, Banjarnegara [7]. Infiltration rate studies from other countries with similar climates reported that the Kostiakov model outperformed Philip's model when applied to experimental data on floodplain hydromorphic soils in Nigeria [8].…”

Section: Introductionmentioning

confidence: 87%

Comparison of infiltration model performance based on basic infiltration rate for small watersheds in Papua region, Indonesia

Pristianto,

Suhardjono,

Suhartanto

2024

IOP Conf. Ser.: Earth Environ. Sci.

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Research on soil water infiltration in equatorial climates like Indonesia is limited. Despite Papua accounting for 29% of Indonesia’s surface water, there’s a shortage of hydrological data. This study aimed to identify the best infiltration model tailored to the characteristics of basic infiltration rates in Papua’s small watersheds. Observations were made at 95 points across 11 small watersheds in Papua. Based on equatorial basic infiltration rate theories, analysis classified infiltration values against observation time. The performance of four infiltration models — Horton, Philip, Kostiakov, and Green Ampt — were compared. The results indicated the Philip model as superior, with average scores of 0.901 (R), 0.814 (NSE), and 0.424 (RSR), followed by the Horton and Green Ampt models. These three models showed excellent performance. However, the Kostiakov model was found lacking and needs modification. Further research on rapid and very rapid classifications is vital for enhancing infiltration rate predictions in small equatorial watersheds.

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Section: Introductionmentioning

confidence: 87%

Comparison of infiltration model performance based on basic infiltration rate for small watersheds in Papua region, Indonesia

Pristianto,

Suhardjono,

Suhartanto

2024

IOP Conf. Ser.: Earth Environ. Sci.

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“…However, the results of the survey and interpretation of aerial imagery show that the intensive agricultural sector dominated the region. The high cultivation activity in the Merawu Watershed was supported by the soil type factor, which was dominated by latosol types with high organic matter content [36]. This type of soil was suitable for planting seasonal crops, such as potato (Solanum tuberosum L.), carrot (Daucus carota L.), cabbage (Brassica oleracea var.…”

Section: Indicative Location Of Rehabilitationmentioning

confidence: 99%

Rehabilitation Strategy for Restoration of Riverbank Protection Function in the Merawu Watershed, Banjarnegara Regency

Sukmawati,

Widiyatno,

Suryatmojo

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Riverbank is a buffer zone for the river ecosystem and the surrounding land. The significant land use changes and land cover reduction in the Merawu Watershed had put pressure on the riverbank and threatened the protection function sustainability. Thus, this study aims to 1) identify the riverbank’s ecological status, 2) identify its Protection Carrying Capacity (PCC), 3) determine the indicative location of rehabilitation, and 4) develop a rehabilitation strategy for restoring the riverbank protection function. The Riparian Quality Index (RQI) results indicated riverbank ecological degradation and deviation from natural conditions due to intensive tillage. The entire riverbank PCC status was poor due to less land cover in dryland agriculture and mixed dryland agriculture. Three indicative locations of rehabilitation were prioritized, i.e., Karangkobar (54.86 ha), Kalibening (41.21 ha), and Wanayasa Sub-districts (39.31 ha). Recommended riverbank rehabilitation strategies were 1) constructing bunds and bench terraces in sloping land, 2) implementing trees along the border (hedgerow) pattern and riparian buffer strips to increase land cover on cultivated riverbank lands, and 3) constructing gully plugs and retaining dams to strengthen riverbanks; using organic mulch; and planting the recommended species (Falcataria falcata, Artocarpus altilis, Dendrocalamus asper, and Gigantochloa apus) on degraded critical lands.

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“…The SWIG database only has the data from Sumbawa Besar in Indonesia. Horton's model excels in dryland conditions (Ayu et al, 2013) and outperforms others in various watersheds, including Merawu, Indonesia and Madjez Ressoul, Algeria (Ngadisih et al, 2020;Dahak et al, 2022). Philip's model is well-suited for wetlands in Ghana and Nigeria's forest zones (Oku et al, 2011;Thomas et al, 2020) and has proven effective in areas like Abia State, Nigeria (Ruth et al, 2015) as well as Progo's upper watershed in Indonesia (Ritawati et al, 2012).…”

Section: Introductionmentioning

confidence: 98%

Soil Textures-Based Evaluation of Horton and Philip's Infiltration Models for Equatorial Small Watersheds

Pristianto,

Suhardjono,

Bisri

et al. 2024

J. Ecol. Eng.

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The global database underscores Indonesia's scant 0.47% global contribution, of which 7.7% is from humid tropical climates. However, existing infiltration studies have primarily focused on specific soil textures and limited research points, resulting in a lack of comprehensive data. This knowledge gap is particularly evident in the Papua region of Indonesia, which boasts many small watersheds with abundant water resources but limited hydrologic data, especially regarding infiltration rates. Previous studies indicated that Horton and Philip's models excelled in equatorial regions but were limited in the number of soil textures and watersheds analysed or focused mainly on larger watersheds. Therefore, this study aimed to address this research gap by conducting a comprehensive analysis of the performance of the Horton and Philip's models across different soil textures in small watersheds, using the Hydrologic Soil Group classification as a reference. A performance analysis was conducted to assess Horton and Philip's performance using the Moriasi technique (based on R, RSR, and NSE best values). Field observations were conducted at 95 points in eleven small watersheds in Papua as representatives of equatorial small watersheds globally. Observations were suspended for 48 hours if rainfall occurred; thus, ten months were needed to finish the observation. The results of this study demonstrated that the Horton model performed exceptionally well for six of nine soil textures, whereas the Philip's model showed excellent performance for five out of nine. The obtained research results were compared with similar studies from Ghana, Nigeria, and India, reinforcing the conclusion that globally, the Horton and Philip's model effectively describes infiltration rates in equatorial small watersheds. Further research was recommended in equatorial small watersheds with sand and loamy sand soil textures, two of the nine soil textures that were not covered in the conducted study.

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Komparasi Tiga Model Infiltrasi Pada Lahan Pertanian Dan Agroforestri Di Das Merawu – Banjarnegara

Cited by 5 publications

References 3 publications

Comparison of infiltration model performance based on basic infiltration rate for small watersheds in Papua region, Indonesia

Comparison of infiltration model performance based on basic infiltration rate for small watersheds in Papua region, Indonesia

Rehabilitation Strategy for Restoration of Riverbank Protection Function in the Merawu Watershed, Banjarnegara Regency

Soil Textures-Based Evaluation of Horton and Philip's Infiltration Models for Equatorial Small Watersheds

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