DHIKA, MUARA (2025) Simpanan Air Tanah pada Beberapa Penggunaan Lahan di Kawasan DAS Kali Gunting. Masters thesis, UPN VETERAN JAWA TIMUR.
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Text (LAMPIRAN)
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Abstract
Water storage plays a critical role for an ecosystem, where soil water is a crucial factor in plant growth. The amount of water storage can change over time, potentially leading to periods of surplus or deficit in a given area. According to the hydrological cycle, water storage is influenced by the amount of water input and output over a land area within a certain period. Water storage measurement can be determined through calculations using the water balance equation. The study was conducted in the Kali Gunting Watershed, Wonosalam, Jombang. Field surveys were carried out across four different land use types: secondary forest, agroforestry, pine forest, and seasonal cropland. The observed variables were interception, evapotranspiration, surface runoff, and subsequently the collected data was calculated using the water balance equation. The highest soil water storage was obtained in secondary forest land at 371,920.73 mm/year, and the lowest in seasonal crop land at 239,497.30 mm/year. Soil organic matter showed a significant influence on soil water storage with a determination coefficient (R²) of 0.6146, or 61.46%. Water storage is influenced by soil organic matter, soil physical characteristics, rainfall, infiltration, surface runoff, geological conditions, and land vegetation. Across all four land uses, no soil water storage deficit occurred, as indicated by positive water storage values throughout the year, and the lowest water storage was found in September. The highest water storage occurred from February to May.
| Item Type: | Thesis (Masters) | ||||||||||||
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| Subjects: | S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science | ||||||||||||
| Divisions: | Faculty of Agriculture > Magister Agritechnology | ||||||||||||
| Depositing User: | Tn Muara Dhika | ||||||||||||
| Date Deposited: | 29 Jul 2025 07:04 | ||||||||||||
| Last Modified: | 29 Jul 2025 07:04 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/41306 |
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