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8/3/2019 WLW Day: R Speed
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1. Indicators selected based on response tostur ance gra ent
– Test response of specific indicators
– Reference values usually based on
undisturbed sites. ect ves- ase
– Indicators based on management
o ec ves
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disturbance
r i n
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Testing indicators against a disturbance
radient
i c a t o r
h e
a l t h
i n
数
指 标
c o l o g i c a l
态 健 康
Reference values参数值
Low低 High高
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Weighting indicator scores
Freq.(# obs.)，监测频率
All sites – all years，所有点，所有年
95th %’ile50th %’ile
Single site， – report year，单点，报告年
Reference sites – all years，参考点，所有年
Standard to achieve values
Concentration，浓度
80th %’ile
0(worst case)，最差
1
(reference)，参考点
Convert all values to common scale to allow comparison
- other sites in study; other studies- national standards; international standards
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2. Objectives-based
e ow ver: o ec ves rom• 1 × Ultimate target
– “Keeping the Yellow River Healthy”
• 4×
Criteria (“the 4-nos
”)
–
– No river running dry
– No water pollution beyond standard
– No riverbed rising further
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“Healthy Indicators of the Yellow River”Indicator groups
• ow con nu y
• Channel configuration for water andsediment transportation
Hydrology
Geomorphology
• Water quality standard
• River ecosystem
• Water supply capacity
Water quality
Ecology
Social-economic
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River Health Index
Social/Economic Environmental
Physical form Hydrology Water qualityEcologyIndicators…
Fish
Wetland
vegetation
remote sensin
Invertebrates
Vegetation
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• 2 methods:
– Index of Flow Deviation: rapid method,based on 8 generic flow descriptors)
– Index of Flow Health: based on e-flows
assessment
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IFD Liaoyang (Taizi)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
L o w
f l o w
v o l u m e s c o r e
Low flow volume
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
H i g h
f l o w
v o l u m e s c o r e
High flow volume
0.4
0.5
0.6
0.7
0.8
0.9
1.0
w
m i n i m u m s
c o r e
Low flow minimum
0.0
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
0.0
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
0.4
0.5
0.6
0.7
0.8
0.9
1.0
m a x i m u m
s c o r e
High flow maximum
0.0
0.1
0.2
0.3
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
L o w f l o
0.0
0.1
0.2
0.3
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
H i g h f l o
0.7
0.8
0.9
1.0
f l o w
s c o r e
Persistently higher flow
0.7
0.8
0.9
1.0
f l o w
s c o r e
Persistently lower flow
1.0 e
Seasonality flow shift
0.0
0.1
0.2
0.3
0.4
0.5
0.6
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
P e r s i s t e n t l y h i g h e r f
0.0
0.1
0.2
0.3
0.4
0.5
0.6
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
P e r s i s t e n t l y l o w e r f
1.0
Persistently very low
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
S e a s o n a l i t y f l o w
s h i f t
s c o r
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
1 9 8 6
1 9 8 7
1 9 8 8
1 9 8 9
1 9 9 0
1 9 9 1
1 9 9 2
1 9 9 3
1 9 9 4
1 9 9 5
1 9 9 6
1 9 9 7
1 9 9 8
1 9 9 9
2 0 0 0
2 0 0 1
2 0 0 2
2 0 0 3
2 0 0 4
2 0 0 5
2 0 0 6
2 0 0 7
P e r s i s t e n t l y v e r y l o w
s c o r
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Index of Flow Deviation
Very small (0.8-1.0) Moderate (0.4-0.6)Small (0.6-0.8)
High flow maximum
High flow volume
IFD index score
Persistently lower flow
Persistently higher flow
Low flow minimum
Low flow volume
Seasonality flow shift
1 9 5 4
1 9 5 5
1 9 5 6
1 9 5 7
1 9 5 8
1 9 5 9
1 9 6 0
1 9 6 1
1 9 6 2
1 9 6 3
1 9 6 4
1 9 6 5
1 9 6 6
1 9 6 7
1 9 6 8
1 9 6 9
1 9 7 0
1 9 7 1
1 9 7 2
1 9 7 3
1 9 7 4
1 9 7 5
1 9 7 6
1 9 7 7
1 9 7 8
1 9 7 9
1 9 8 0
1 9 8 1
1 9 8 2
1 9 8 3
1 9 8 4
1 9 8 5
