Siklus Hidrologi Kondisi DAS

Pelepasan air tanahPelepasan air tanah

Arus antaraArus antara

Aliran Permukaan

PeresapanPeresapan Permukaan Air Tanah

evapotranspirasi

SIKLUS HIDROLOGI PADA SUATU DAERAH ALIRAN SUNGAI

KEY MAP BENGAWAN SOLO

SCALE

0 15 30 45 60 75 90 km

N

BENGAWAN SOLO

Lingkungan Air

t0

t1

t2

t3

Hulu

Tengah

Hilir

2000

m d

pl

Kawasan - kawasan sepanjang sungai Ciliwung (berdasarkan PP 47/1997 tentang RTRWN ) :1. Daerah hulu : Kawasan Andalan Bopunjur dan Kawasan Tertentu

Bopunjur 2. Daerah tengah : Kawasan Andalan Penyangga DKI dan Kawasan

Tertentu Jabodetabek 3. Daerah hilir : Kawasan Andalan Ekonomi DKI Jakarta,

JKT

DPK

BGR

S. C

iliw

ung

PEMANFAATAN RUANG DI KAWASAN JABODETABEK-PUNJUR

Beberapa Potret DAS KritisBeberapa Potret DAS Kritis

DAS Seputih Sekampung DAS Grindulu Pacitan

Budidaya pertanian di DAS Brantas

DAS K. Bogel, Blitar

Kondisi Hutan DAS Kali Brantas (Bagian Hulu)

4th Workshop,Solo, January 18, 2007

Study on Countermeasures for Sedimentation in Wonogiri Multipurpose Dam Reservoir

Various Terraces in Wonogiri WatershedVarious Terraces in Wonogiri Watershed

No Terrace


Study on Countermeasures for Sedimentation in Wonogiri

Multipurpose Dam Reservoir

Ridge TerraceRidge Terrace

Ridge Terrace




Soil Erosion and flowing into Reservoir




Traditional TerraceTraditional Terrace

Traditional TerraceTraditional Terrace




Bench TerraceBench Terrace

Bench Terrace 3rd Class



LetLet’’s Study Terrace Types Study Terrace Type

Terrace Lip

Bench Terrace 2rd Class



Proposed TerraceProposed Terrace

Drainage

High Lip

Slope protection(grass or stone)

Flat or backward slope

What is Bench Terrace 1st Class?




Approach to Watershed Management

Terrace Improvement Terrace Improvement Agro-forestry Promotion Agro-forestry Promotion Community Based Farmer’s Participation into All Community Based Farmer’s Participation into All

Process from Planning to MonitoringProcess from Planning to Monitoring Soil Management for Next GenerationSoil Management for Next Generation Effective Use of NGOsEffective Use of NGOs Proper Incentive to FarmersProper Incentive to Farmers

Details are to be discussed Details are to be discussed in the Afternoon Session.in the Afternoon Session.

04/08/23 35

PENGHIJAUAN ( Q1)PENGHIJAUAN ( Q1)

04/08/23 36

kerakalpasir ijuk

tebal50 cm

Muka tanah

Muka air tanah

1 m

1 m

Ukuran sumur1m x1m,atau lingkaranDiameter 80-120cm

Pipa PVC 4” Dari talang atap

5 m

saringan

Sumur pantekPVC 2” atau 2¾” 5 m

SUMUR RESAPAN ( Q3 )SUMUR RESAPAN ( Q3 )

04/08/23 37

DANAU RESAPAN ( Q5 )DANAU RESAPAN ( Q5 )

DANAU-DANAU BUATAN DI PERUMAHAN TELAGA KAHURIPAN

04/08/23 38

DKI JakartaDKI JakartaDKI JakartaDKI Jakarta

PuncakPuncakPuncakPuncak

Air hujan masuk Air hujan masuk waduk resapanwaduk resapan

Air hujan setempat Air hujan setempat dimasukkan ke dalam dimasukkan ke dalam Sumur Resapan Sumur Resapan (Q3(Q3))

DepokDepokDepokDepok

BogorBogorBogorBogor

Danau/Danau/wadukResapwadukResapan (Q5)an (Q5)

Danau/Danau/wadukResapwadukResapan (Q5)an (Q5)Air melalui Air melalui

waduk resapan waduk resapan masuk dalam masuk dalam alur pasir alur pasir sungai purbasungai purba

Air melalui Air melalui waduk resapan waduk resapan masuk dalam masuk dalam alur pasir alur pasir sungai purbasungai purba

Air Tanah Air Tanah terkumpulterkumpul

1111

2222

3333

5555

PenghijauanPenghijauan dan area resapan dan area resapan (Q1)(Q1)

PenghijauanPenghijauan dan area resapan dan area resapan (Q1)(Q1)

4444 Polder Polder parkir air parkir air sementarasementara

Polder Polder parkir air parkir air sementarasementara

Solusi Atasi Banjir & KekeringanSolusi Atasi Banjir & KekeringanSolusi Atasi Banjir & KekeringanSolusi Atasi Banjir & Kekeringan

Siklus Hidrologi Kondisi DAS

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