12. 流量健康 – 月度数据
Seasonality altered (SFS) 50th percentile in
ref erence period
Low f low season volume High f low season volume 25th percentile in
greatly reduced (LFV) greatly reduced (HFV) ref erence period Taizih e – Liao yan g
Year 1999/2000
800 H ig h d is tu rb an c e
700 Highest monthly f low Persistently 太子河 - 辽阳 , 人类干扰
moderately reduced
很大
0 )
high (PHF)
3 1 6
600 f rom ref erence (HMF) Persistently low (PLF)
and persistently
500
very low (PVL)
400
Lowest monthly f low
300 greatly reduced
f rom ref erence (LMF)
200
m
M
w
h
n
o
y
(
f
t
l
100
0
Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct
13. 流量健康 – 月度数据
Seasonality intact (SFS) 50th percentile in
ref erence period
Low f low season volume High f low season 25th percentile in
slightly reduced (LFV) volume OK (HFV) ref erence period
G u ij g – G u ilin Lo w
ian
Year 2007/2008
1200 d is tu rb an c e
1000
Highest monthly 桂江 - 桂林,干扰较
小
0 )
f low OK (HMF)
3 1 6
Persistently very
800 low OK (PVL) Persistently
high OK (PHF)
600 Persistently low
reduced (PLF)
Lowest monthly
400 f low OK (LMF)
m
M
w
h
n
o
y
200
(
f
t
l
0
Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug