siklus hidrologi kondisi das
TRANSCRIPT
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
4th Workshop,Solo, January 18, 2007
Study on Countermeasures for Sedimentation in Wonogiri
Multipurpose Dam Reservoir
Ridge TerraceRidge Terrace
Ridge Terrace
4th Workshop,Solo, January 18, 2007
Study on Countermeasures for Sedimentation in Wonogiri
Multipurpose Dam Reservoir
Soil Erosion and flowing into Reservoir
4th Workshop,Solo, January 18, 2007
Study on Countermeasures for Sedimentation in Wonogiri
Multipurpose Dam Reservoir
Traditional TerraceTraditional Terrace
Traditional TerraceTraditional Terrace
4th Workshop,Solo, January 18, 2007
Study on Countermeasures for Sedimentation in Wonogiri
Multipurpose Dam Reservoir
Bench TerraceBench Terrace
Bench Terrace 3rd Class
4th Workshop,Solo, January 18, 2007
Study on Countermeasures for Sedimentation in Wonogiri Multipurpose Dam Reservoir
LetLet’’s Study Terrace Types Study Terrace Type
Terrace Lip
Bench Terrace 2rd Class
4th Workshop,Solo, January 18, 2007
Study on Countermeasures for Sedimentation in Wonogiri Multipurpose Dam Reservoir
Proposed TerraceProposed Terrace
Drainage
High Lip
Slope protection(grass or stone)
Flat or backward slope
What is Bench Terrace 1st Class?
4th Workshop,Solo, January 18, 2007
Study on Countermeasures for Sedimentation in Wonogiri
Multipurpose Dam Reservoir
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.
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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 )
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DANAU RESAPAN ( Q5 )DANAU RESAPAN ( Q5 )
DANAU-DANAU BUATAN DI PERUMAHAN TELAGA KAHURIPAN
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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