“Hydrometeorological Products, Services, and Supporting Research”
WATER AND POWER DEVELOPMENT AUTHORITY ... D_ Hashimi_WAPDA...Upper Indus Basin cryoshpere and...
Transcript of WATER AND POWER DEVELOPMENT AUTHORITY ... D_ Hashimi_WAPDA...Upper Indus Basin cryoshpere and...
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Initiatives of WAPDA in Monitoring Upper Indus Basin by
Danial Hashmi Project Director Glacier Monitoring Research Centre
WATER AND POWER DEVELOPMENT AUTHORITY
10 September 2013 Islamabad
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Introduction
• WAPDA - Water and power Development
Authority of Pakistan was created in 1958
• Since its creation various steps to study
Upper Indus Basin cryoshpere and
establish Hydrometeorological networks in
1960’s for its monitoring were taken.
• The snow surveys were carried out during
1961 to 1968 in Mangla Basin to forecast
flows into the Mangla Dam.
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Upper Indus Basin
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Upper Indus Basin Glaciers
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Studies by WAPDA in 70’s and 80’s
• During 1975 – 1978 Landsat imageries were
used by WAPDA to investigate into the water
resources of Pakistan. Very good correlation
between depletion of UIB snow cover area with
increasing UIB Flows during snowmelts period
was established.
• During 1985-1989, to understand the cryoshpere and hydrologic conditions of UIB, ground based research was carried out by WAPDA in collaboration with Canadian and UK Universities on its Pakistan Snow and Ice Hydrology Project Phase-I.
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Studies by WAPDA Cont…
• Mass-Balance of selected glaciers of Karakoram and
Himalayas were carried out.
• Avalanche studies in Kunhar Basin including hydrology
of avalanches were also carried out.
• Ken Hewitt with WAPDA Staff studied potential Glacial
Lakes sites in Upper Indus Basin
• During 1989 Dr. Gordon Young carried out
sedimentation studies of Batura and Passu Glacier,
Central Hunza, with the students of University of
Manchester and WAPDA staff.
• Ablation gradient of Passu glacier for year 1988 and
1989 was also studied during this period.
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Snow Sampling – Shark Col Snow Pit (5660 m)
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Preparation for Stake Survey
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MIAR GLACIER,HUNZA-KARAKORAM
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Depth Profile of Miar Glacier - 1989 (using Radio-echo soundings)
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Research Studies Some outcomes
• The bulk of all UIB precipitation occurs in an altitudinal zone of 2500 – 6000 m elevation.
• The elevation of maximum precipitation is about 5000m in the Western Karakorams and 6000m in Eastern Karakorams.
• Precipitation is in the order of 1000 – 1800 mm of Snow Water Equivalent
• Most of the UIB glaciers are fed by snow avalanching and are Debris Covered
• Active melting zone of glaciers is between 3500 to 4800 meters above sea level.
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Pakistan Snow and Ice Hydrology Project -II
• On the findings of 1985-1989 another Phase - I second
phase of PSIHI was initiated in 1991 and continued till
1997.
• In this phase 20 High Altitude weather stations in the
elevation zone of 2200 to 4800 meters a.s.l. were
installed in Upper Indus Basin
• The data from these stations is being collected and
transmitted to Lahore Forecasting Centre through
Meteorburst Communication System since 1993.
• A hydrologic Model from the University of British
Columbia Vancouver, Canada was obtained and
calibrated for the hydrologic conditions of Upper Indus
Basin.
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PSIHP-II • The UBC Watershed model is being used for
developing and issuing flow forecasts to the Water Managers of the country since 2004.
• In this operational phase Seasonal (Kharif and Rabi) and Short Term (10-Daily) flow forecasts of River Indus at Tarbela Reservoir, River Jhelum at Mangla Reservoir and that of River Kabul at Nowshera are prepared and issued.
• The forecasts are used by IRSA and WAPDA Authority for water management of Indus River System and optimum production of Hydropower.
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15
TYPICAL DCP STATION
SENSORS INSTALLED
• Temperature
• Precipitation
• Relative Humidity
• Solar Radiation
• Snow Water Equivalent
• Wind (Speed; Direction)
Khunjerab (4710masl)
•Wind
•Temperature &
Relative Humidity
•Solar Radiation •Precipitation
•Snow Water
Equivalent
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Propylene Glycol Filling in Snow Pillow
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Snow Water Equivalent- DCP Station DEOSAI (3910 m.a.s.l.)
0
100
200
300
400
500
600
700
1-N
ov
8-N
ov
15-N
ov
22-N
ov
29-N
ov
6-D
ec
13-D
ec
20-D
ec
27-D
ec
3-J
an
10-J
an
17-J
an
24-J
an
31-J
an
7-F
eb
14-F
eb
21-F
eb
28-F
eb
6-M
ar
13-M
ar
20-M
ar
27-M
ar
3-A
pr
10-A
pr
17-A
pr
24-A
pr
1-M
ay
8-M
ay
15-M
ay
22-M
ay
29-M
ay
5-J
un
12-J
un
19-J
un
26-J
un
Sn
ow
wa
ter
eq
uiv
ale
nt(
mm
)
2007-2008
2008-2009
2009-2010
2010-2011
2011-2012
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Automatic Weather Station - Shogran
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SWE confirmation at SHOGRAN
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Upper Indus Basin - Percent of Snow Covered Area (2005)
58 59
64
61
42
37
19
12
17
28
31
41
0
10
20
30
40
50
60
70
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Percen
t
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Temperature Change at WAPDA Weather Station KhunjerabPeriod: 1995 - 2010 , Elevation 4710 m.a.s.l
2.582.45
3.01
0.75 0.82
0.10
-1.56
-0.56
-1.56
0.57
1.63
1.17
-2
-1
0
1
2
3
4
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Tem
pera
ture
Ch
nag
e (
deg
ree c
elc
ius)
Overall Observation:
Over all temperature increase = 0.78 °C
Day time temperature increase = 0.54 °C
Night time temperature increase = 1.02 °C
Summer temperatute decrease = -1.80 °C
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Passu Outlet River Levels
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.63
/18
/20
11
3/2
5/2
01
1
4/1
/20
11
4/8
/20
11
4/1
5/2
01
1
4/2
2/2
01
1
4/2
9/2
01
1
5/6
/20
11
5/1
3/2
01
1
5/2
0/2
01
1
5/2
7/2
01
1
6/3
/20
11
6/1
0/2
01
1
6/1
7/2
01
1
Riv
er
Le
vels
(m
)
Q = 41.5 cms
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Climate Change Studies in WAPDA
• In Collaboration with the University of Colorado, Boulder, USA WAPDA studied Impact on the flows of River Indus due to Climate Change 1991.
• Dr. James Wescoat was the Principal investigator in this study.
• UBC Watershed Model was used to generate future flow scenarios.
• This study using GCM’s from Goddard Institute of Space Sciences (GISS) and Geophysical Fluid Dynamics Lab (GFDL) predicted 3.2°C and 4.7°C increase in temperature respectively by doubling CO2 from 1991 Level shown change in total annual river inflows by 11% to 16%
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WAPDA new Initiative
Monitoring of Upper Indus
Basin Glaciers for Water
Resources Management in
Wake of Climate Change
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Objectives
• Glacier Monitoring and Research Centre
(GMRC) has been established within
WAPDA
• Conduct Mass Balance Studies of 5 Major
Upper Indus Basin (UIB) Glaciers
• Monitoring and Mapping of 52 Nos. Large
and Medium size UIB Glaciers for their
Snout Movement
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Objective Continued….
• Forecasting of Future Water Availability from
UIB using Remote Sensing, GIS, Digital
Elevation and Glacier Melt Models using
different Climate Scenarios
• Installation of 6 New High Altitude Automatic
Meteorological Stations in Upper Indus Basin
• Setting up of Remote Sensing and GIS Lab in
GMRC Lahore.
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Project Cost & Implementation Period
• Project is C4 component of Tarbela 4th
Extension Hydropower Project
• Implementation Six Years
Period July 2012 – June 2018
• Project Cost USD 6.000 Million
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Major Activities
• Recruitment of Additional Staff
• Hiring of Glacier Experts and Incremental Staff
• Training (Local, Foreign and On the Job) of Staff on Remote Sensing
,GIS, Digital Elevation Model and Glacier Melt Models
• Application of RS, GIS, DEM and Glacier Melt models on UIB
Glaciers for Estimation of Future Water Availability
• Construction of Offices at Lahore and Skardu
• Rehabilitation of Existing High Altitude Data Collection Network and
installation 6 new Stations
• Procurement of Field Investigation Equipment; AWS; ARLS;
Computer Hardware, Software, Vehicles etc.
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Thank You
for your kind Attention