弱拉尼娜和弱厄尔尼诺期间西塔卢姆流域水资源的时空评估

IF 3.1 Q2 WATER RESOURCES
A. Susandi, Arief Darmawan, Albertus Sulaiman, Mouli De Rizka Dewantoro, A. Wijaya, Agung Riyadi, Agus Salim, Rafif Rahman Darmawan, A. F. Pratama
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引用次数: 0

摘要

本研究调查了西塔伦流域在弱拉尼娜现象、正常现象和弱厄尔尼诺现象相继出现期间的水资源动态。西塔伦流域用途广泛,不仅被印度尼西亚西爪哇的七(7)个区和两(2)个市所利用,而且还是雅加达市的饮用水源。利用地表水数据的时间序列分析、数据驱动(机器学习)方法和统计分析方法,对地表水进行了时空预测。地表水时间序列数据(2017-2021 年)由原位仪器获得,用于评估水资源、预测地下水补给和分析季节性模式。结果表明,地表水遵循季节性规律,尤其是在季风季节,与地下水补给规律相对应。在上游地区,水资源在弱拉尼娜和弱厄尔尼诺现象期间均呈上升趋势,只有 Jatiluhur 大坝例外,在这两个季节均呈下降趋势。机器学习预测表明,上游和下游地区的水位和地下水补给量都呈下降趋势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spatiotemporal Evaluation of Water Resources in Citarum Watershed during Weak La Nina and Weak El Nino
This study investigates the dynamics of water resources in the Citarum watershed during periods of weak La Niña, normal, and weak El Niño conditions occurring sequentially. The Citarum watershed serves various purposes, being utilized not only by seven (7) districts and two (2) cities in West Java, Indonesia but also as a source of raw water for drinking in the City of Jakarta. Using a time-series analysis of surface water data, data-driven (machine learning) methods, and statistical analysis methods, spatiotemporal predictions of surface water have been made. The surface water time series data (2017–2021), obtained from in situ instruments, are used to assess water resources, predict groundwater recharge, and analyze seasonal patterns. The results indicate that surface water follows a seasonal pattern, particularly during the monsoon season, corresponding to the groundwater recharge pattern. In upstream areas, water resources exhibit an increasing trend during both weak La Nina and weak El Niño, except for Jatiluhur Dam, where a decline is observed in both seasons. Machine learning predictions suggest that water levels and groundwater recharge tend to decrease in both upstream and downstream areas.
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来源期刊
Hydrology
Hydrology Earth and Planetary Sciences-Earth-Surface Processes
CiteScore
4.90
自引率
21.90%
发文量
192
审稿时长
6 weeks
期刊介绍: Journal of Hydrology publishes original research papers and comprehensive reviews in all the subfields of the hydrological sciences, including water based management and policy issues that impact on economics and society. These comprise, but are not limited to the physical, chemical, biogeochemical, stochastic and systems aspects of surface and groundwater hydrology, hydrometeorology, hydrogeology and hydrogeophysics. Relevant topics incorporating the insights and methodologies of disciplines such as climatology, water resource systems, ecohydrology, geomorphology, soil science, instrumentation and remote sensing, data and information sciences, civil and environmental engineering are within scope. Social science perspectives on hydrological problems such as resource and ecological economics, sociology, psychology and behavioural science, management and policy analysis are also invited. Multi-and interdisciplinary analyses of hydrological problems are within scope. The science published in the Journal of Hydrology is relevant to catchment scales rather than exclusively to a local scale or site. Studies focused on urban hydrological issues are included.
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