DETAIL KOLEKSI

Kajian pengaruh karakteristik sempadan sungai terhadap tinggi muka air kali krukut

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Oleh : Hegi Daniel Mulya

Info Katalog

Penerbit : FTSP - Usakti

Kota Terbit : Jakarta

Tahun Terbit : 2018

Pembimbing 1 : Trihono Kadri

Subyek : River zone;Water level

Kata Kunci : krukut river, riparian area, design flood, hec-ras, region arrangement

Status Posting : Published

Status : Lengkap


File Repositori
No. Nama File Hal. Link
1. 2018_TA_TS_05112039_Halaman-judul.pdf
2. 2018_TA_TS_05112039_Bab-1.pdf
3. 2018_TA_TS_05112039_Bab-2.pdf
4. 2018_TA_TS_05112039_Bab-3.pdf
5. 2018_TA_TS_05112039_Bab-4.pdf
6. 2018_TA_TS_05112039_Bab-5.pdf
7. 2018_TA_TS_05112039_Daftar-pustaka.pdf
8. 2018_TA_TS_05112039_Lampiran.pdf

K Kali Krukut merupakan sistem drainase Kota Depok dan DKI Jakarta,namun dalam beberapa tahun terakhir ini Kota Jakarta dan Kota Depok seringmengalami bencana banjir karena meluapnya Kali Krukut. Di lokasi studidijumpai perubahan alih fungsi lahan DAS, bangunan-bangunan yang tidaksesuai dengan peraturan sempadan sungai (Permen PUPR Nomor28/PRT/M/2015), badan sungai yang mengecil, pembuangan sampah danpeningkatan sedimentasi. Dengan tingginya intensitas hujan dan kondisi eksistingsungai serta penanganan banjir di Kali Krukut yang belum tuntas (BBWSCiliwung Cisadane, 2017), menjadi pemicu meningkatnya frekwensi kejadianbanjir di Kawasan Kali Krukut ini.Identifikasi intensitas hujan dan kondisi eksisting sungai perlu dilakukan,untuk perhitungan debit banjir rancangan kala ulang 2,5,10,25,50 dan 100 tahundigunakan Metode Distribusi Gumbel dan Log Person III dan hasil pencatatantinggi muka air dari Stasiun AWLR diolah menggunakan Program HEC-RAS.Hasil analisis hidrologi pada AWLR Margasatwa didapatkan debit banjirrencana untuk beberapa periode ulang, Q2= 12.73 m³/det Q5= 16.61m³/det, Q10 =19.13 m³/det, Q25 = 22.35 m³/det,Q50 = 24.73 m³/det dan Q100 = 27.11 m³/det.Berdasarkan hasil simulasi dan observasi lapangan, karakteristik sempadan diDAS Kali Krukut memiliki tingkat kerapatan bangunan yg rapat berdasarkan debitkala ulang yang mengenangi beberapa Kawasan. Dimana beberapa kawasantersebut merupakan dari sempadan dan bantaran sungai pada Kali Krukutsehingga karakteristik sempadan berpengaruh terhadap tinggi muka air KaliKrukut.

K Krukut River is Depok City and DKI Jakarta drainage system, however inthe last few years Jakarta City and Depok City is always run into frequent flooddisaster, because of overflowed in the Krukut River. In the study location was metwatershed land cover change functions, buildings development. it is not inaccordance with riparian river area regulation (Ministry of PUPR RegulationNo.28/PRT/M/2015), decline of body river, disposal waste and increasing ofsedimentation. With high rainfall intensity and existing river condition withmitigation of floods in the Krukut River that has not been completed (BBWSCiliwung Cisadane, 2017) become trigger the increasing flood disaster frequentlyin the Krukut River area.Identification of rainfall intensity and existing river condition need beconducted for calculation of 2,5,10,25,50 and 100 years return period usingGumbel Distribution and Log Person III method and the result of water levelrecording from AWLR station processed using HEC-RAS Programme.The results of hidrology analysis at Margasatwa AWLR was found thedesugn flood discharge for various return periode Q2 = 12.73 m³/det, Q5 = 16.61m³/s, Q10 = 19.31 m³/s, Q25 = 22.35 m³/s, Q50 = 24.73 m³/s and Q100 = 27.11m³/s. Based on the result of simulation and in the field investigation, riparian riverarea Characteristic Kali Krukut Watershed have buildings density closely levelbased on return period discharge that inundated some areas, where some areasmentioned from riparian area and bank river at Krukut River so that riparian areacharacterization affecting toward Krukut River water level.

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