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Buletin GAW Bariri
Article . 2022 . Peer-reviewed
License: CC BY NC
Data sources: Crossref
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Perhitungan Neraca Air Meteorologi Waduk Jatiluhur Berdasarkan Data Curah Hujan Dan Penguapan

Authors: Muhammad Asnawi; Rheinhart Christian Hamonangan Hutauruk;

Perhitungan Neraca Air Meteorologi Waduk Jatiluhur Berdasarkan Data Curah Hujan Dan Penguapan

Abstract

Salah satu penyebab pengurangan air di waduk adalah penguapan yang besar. Pengukuran besarnya evaporasi di waduk masih perlu diuji dan disesuaikan dengan kondisi lokal wilayah. Oleh karena itu dilakukan perhitungan neraca air Waduk Jatiluhur berdasarkan data curah hujan dan penguapan dengan tujuan untuk mendapatkan rumus potensi penguapan dan mengetahui surplus dan defisit air di waduk Jatiluhur karena faktor klimatologi. Data yang digunakan adalah data curah hujan harian dan data penguapan harian tahun 2003 – 2018. Penelitian ini diawali dengan pengelompokkan hari hujan, hari tidak hujan dan penguapan setiap bulan. Selanjutnya data tersebut dibagi menjadi beberapa kelas untuk nantinya ditentukan frekuensi terbanyak dan nilai maksimum dan minimum data penguapan. Kemudian dilakukan perhitungan pendugaan penguapan dan potential lost dengan rumus empiris berdasarkan nilai maksimum, minimum, dan modus yang telah ditentukan. Hasilnya besar potensi penguapan ketika hari hujan dan hari tanpa hujan pada bulan Januari hingga Desember di Waduk Jatiluhur umumnya pada range 3.8 hingga 11 mm/hari, terkecuali pada bulan Agustus dan September mengalami peningkatan yang cukup signifikan. Selanjutnya potensi kehilangan air waduk Jatiluhur pada masing – masing bulan dapat dicari menggunakan rumus empiris dengan variabel curah hujan, penguapan ketika hari hujan dan hari tanpa hujan.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold