International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXIX-B4, 2012
XXII ISPRS Congress, 25 August — 01 September 2012, Melbourne, Australia
below details the drainage pattern in fluvial basin. image
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8 b 4 8
à Sub W: Z 3 7
7 Mini watershed a 2 b
8 Micro watershed Gr ! i i 5
8 Micro watershed Gr a 4
watershed Gr
Figure 5.Cartosat 1, 2.8 m resolution stereo PAN data merged
with LISS IV MSS Resource sat satellite data?
* EYE RUE
The micro drainage is mapped from high resolution MIA E NN
stereo satellite data and Pan and MSS merged data which NR Bises a ND SN A 5
is in colour. Streams in various orders are identified*. The Figure 8. The micro waterseds with code nos of study area.
contours from Cartosat 1 data enabled us to delineate water
shed boundaries and identify the slope to map the area. The The watereseds are given ml to m4 grade $ based to explain
forest area has dendritic pattern and agricultural lands has sub the relationship with stream order in micro watershed. There
parallel flow. The drainage channels from lakes are mapped are ml micro watersheds with first order
to complete the drainage net work which could not have been ORT UN
done with 1:50000 map or 22m resolution images. mn es
tu dad ua tt = a ue ii am "e i | i
M n Tema, md mt
is i i a
rig TE
ma
mi c
m2 nj
qz ÿ
m2 j mi. rerit m2 a Ein m
i : ; m "rà NN.
Pu Figure.9. ml to m4 grades of micro waterseds
Figure 6. The drainage pattern in micro watersheds in
irrigated tank command area mapped by using High
Resolution satellite data in Kusasthalai fluvial watershed
near Poondi reservoir'2. The table below gives the details of
additional micro watersheds and stream orders identified.
The images of study area with micro watershed codes, stream
order etc are given here to explain the out come of this study
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AC2C MO st ala
ACCA ES
ITAA A 40 UC M2 ta!
acte kiss
bod Aa ee SRC AT at ane
C2 M2 a! bh sais
Az 362! bd BOZEN Qu
Ku
AR a ; gu
AG ZEITEN LE ——
Figure 10. Micro watersheds with code nos.
m2 watersheds with second order streams, m3 watersheds
with 3'd order stream and m4 watersheds with 4% order
streams as detailed in Fig 9. The figure 10 details the micro
water sheds with their code Numbers’.
6. WATERSHED CODIFICATION FOR AUSTRALIA
Figure 7 Stream order 1 to 4 in study area
Tabled. The additional watersheds and streams while The Australian major river map in Fig 11 indicates
using high resolution data.! the rivers with nos from 1 to 57. If Dr A.N.Khosla’s!*
No. AVastershed dude Sıream Stream principals are adopted the south flowing rivers in South sea
Terminolgy Based on No order order including Western Plateu ephemeral drainage draining in
Geomorphology with 1:3006 South sea and classified as Regionl. Region 2 will comprise
1:50000 image of east flowing rivers draining in Pacifica and Australian seas
128
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