Making use of existing data in river health assessment RESULTS
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Making use of existing data – Making use of existing data – results from Chinese rivers results from Chinese rivers Dr Chris Gippel, Australia Dr Chris Gippel, Australia Project Completion Workshop Project Completion Workshop Ministry of Water Resources Ministry of Water Resources 2012 February 23 2012 February 23
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Transcript of Making use of existing data in river health assessment RESULTS
Making use of existing data – Making use of existing data – results from Chinese riversresults from Chinese rivers
Dr Chris Gippel, AustraliaDr Chris Gippel, Australia
Project Completion WorkshopProject Completion Workshop
Ministry of Water ResourcesMinistry of Water Resources
2012 February 232012 February 23
Hydrology – Flow Health (monthly data)
0
5
10
15
20
25
30
35
1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005
Cumulative dam active storage capacity (109 m
3 )
post-Sanmenxia
post-Longyangxia
post-Xiaolangdi
Liujiaxia
pre-Sanmenxia
0
20
40
60
80
100
120
1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005
Lijin annual natural discharge (109 m
3 )
61.7 x 109 m3
43.9 x 109 m3
8个变化指标
总体评分 变化很小 变化很大Huayuankou花园口
Lijin利津
Flow Health
Xiaolangdi 小浪底
1950 2008
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Huayuankou DamDamDam Dam
0.0
0.2
0.4
0.6
0.8
1.0
IFD index scoreSunkou DamDam DamDam
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Luokou DamDam DamDam
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Lijin DamDam DamDam
Overall score
总体评分
大坝建成大坝建成大坝建成大坝建成
1950 2008
Huayuankou
Sunkou
Luokou
Lijin
Finished 1995Finished 199521.68 × 108m3
Finished 19697.07 × 108m3
Finished 19727.91 × 108m3
Yingkou
GuanyingeReservoir观音阁水库
Tanghe Reservoir汤河水库
Shenwo Reservoir参窝水库
Bohai
TangmazhaiBenxi
Xiaolinzi
Liaoyang
12
3
4
Stream flow gauge
Environmental flows reach2
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Benxi Dam
0.0
0.2
0.4
0.6
0.8
1.0IFD index score
Liaoyang DamDam Dam
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Xiaolinzi DamDam Dam
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Tangmazhai DamDam Dam
Overall score
总体评分
大坝建成
大坝建成大坝建成
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
GuilinDam
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Majiang/JingnanDam
0.0
0.2
0.4
0.6
0.8
1.0
IFD index score
Gongcheng
Overall score
总体评分
大坝建成
Index of compliance with environmental flow components
• Score is based on O/E (Observed/Expected)– Observed is the measured daily flow in the river over a year– Expected is the flow events and baseflows that will maintain stream
health, as recommended through an environmental flows assessment
Use in report cards – Lower Yellow River
Use in report cards – Taizi River
Water quality 水质% of time meeting standard 全年达标天数比例
Chinese Grade
Sou
rce
area
s
1st C
lass
2nd
Cla
ss (
requ
ires
trea
tmen
t)
Prim
ary
cont
act
Sec
onda
ry c
cont
act
Pas
sive
non
-con
tact
Aqu
acul
ture
Gen
eral
indu
stria
l us
es
Indu
stria
l coo
ling
Agr
icul
tura
l irr
igat
ion
irrig
atio
n of
par
ks a
nd
crea
ted
land
scap
es
Nat
iona
l con
serv
atio
n ar
eas
Sen
sitiv
e an
d ra
re
aqua
tic s
peci
es
Com
mon
aqu
atic
sp
ecie
s
Fis
h sp
awni
ng
Fis
h re
arin
g
Fis
h m
igra
tion
Fis
h w
inte
r su
rviv
al
Arbitrary aquatic
health rating
I S S S S S S S S S S S S S S S S S S High-V. high
II U S S S S S S S S S S U S S S S S S Mod. -High
III U U S S S S S S S S S U U S U U S S Low-Mod.
IV U U U U S S U S S S S U U U U U U U Very low
V U U U U U S U U S S S U U U U U U U Very low
VI U U U U U U U U U U U U U U U U U U No value
Drinking water Recreation Industry agriculture and parks Ecological river health
饮用 娱乐用途 工农业和公园 生态河流健康
中国标准
U = 不当 S = 适合 中国 II 类水 =良 中国标准 III = 黄河下游的官方标准
0.0 0.2 0.4 0.6 0.8 1.0
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
Annual - Proportion of months target achieved
0.0 0.2 0.4 0.6 0.8 1.0
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
High flow - Proportion of months target achieved
0.0 0.2 0.4 0.6 0.8 1.0
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
Low flow - Proportion of months target achieved
Huayuankou
High丰水期 Low枯水期
由于小浪底运行良好，最近几年有很大改善
Annual年平均
Trend in water quality (Grade III target) 水质的趋势 ( 中国标准 III)
% of time meeting standard 全年达标天数比例
Trend in water quality (Grade II target) 水质的趋势 ( 中国标准 II)
0.0 0.2 0.4 0.6 0.8 1.0
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
Annual - Proportion of months target achieved
0.0 0.2 0.4 0.6 0.8 1.0
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
High flow - Proportion of months target achieved
0.0 0.2 0.4 0.6 0.8 1.0
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
Low flow - Proportion of months target achieved
Huayuankou
% of time meeting standard 全年达标天数比例
Annual年平均 High丰水期 Low枯水期
分数很低，并没有随着时间得到改善
Use in report cards – Lower Yellow River
