<s>
Vflo	B-Algorithm
is	O
a	O
commercially	O
available	O
,	O
physics-based	O
distributed	O
hydrologic	O
model	O
generated	O
by	O
Vflo	B-Algorithm
uses	O
radar	B-Application
rainfall	I-Application
data	O
for	O
hydrologic	O
input	O
to	O
simulate	O
distributed	O
runoff	B-Application
.	O
</s>
<s>
Vflo	B-Algorithm
employs	O
GIS	B-Application
maps	O
for	O
parameterization	O
via	O
a	O
desktop	O
interface	O
.	O
</s>
<s>
Vflo	B-Algorithm
output	O
is	O
in	O
the	O
form	O
of	O
hydrographs	O
at	O
selected	O
drainage	O
network	O
grids	O
,	O
as	O
well	O
as	O
distributed	O
runoff	B-Application
maps	O
covering	O
the	O
watershed	O
.	O
</s>
<s>
Model	O
applications	O
include	O
civil	O
infrastructure	O
operations	O
and	O
maintenance	O
,	O
stormwater	O
prediction	O
and	O
emergency	O
management	O
,	O
continuous	O
and	O
short-term	O
surface	O
water	O
runoff	B-Application
,	O
recharge	O
estimation	O
,	O
soil	O
moisture	O
monitoring	O
,	O
land	O
use	O
planning	O
,	O
water	O
quality	O
monitoring	O
,	O
and	O
water	O
resources	O
management	O
.	O
</s>
<s>
Vflo	B-Algorithm
considers	O
the	O
spatial	O
character	O
of	O
the	O
parameters	O
and	O
precipitation	O
controlling	O
hydrologic	O
processes	O
,	O
and	O
thus	O
improves	O
upon	O
lumped	O
representations	O
previously	O
used	O
in	O
hydrologic	O
modeling	O
.	O
</s>
<s>
Advances	O
in	O
computational	O
speed	O
;	O
development	O
of	O
high-resolution	O
precipitation	O
data	O
from	O
radar	B-Application
and	O
satellites	O
;	O
and	O
availability	O
of	O
worldwide	O
digital	O
data	O
sets	O
and	O
GIS	B-Application
technology	O
makes	O
distributed	O
,	O
physics-based	O
modeling	O
possible	O
.	O
</s>
<s>
Vflo	B-Algorithm
is	O
designed	O
to	O
take	O
advantage	O
of	O
the	O
spatial	O
variability	O
of	O
high	O
resolution	O
radar	B-Application
rainfall	I-Application
input	O
,	O
GIS	B-Application
datasets	O
,	O
and	O
hydraulic	O
channel	O
characteristics	O
.	O
</s>
<s>
In	O
addition	O
,	O
Vflo	B-Algorithm
’s	O
network	O
approach	O
makes	O
models	O
scalable	O
from	O
upland	O
watersheds	O
to	O
river	O
basins	O
using	O
the	O
same	O
drainage	O
network	O
.	O
</s>
<s>
Vflo	B-Algorithm
is	O
suited	O
for	O
distributed	O
hydrologic	O
forecasting	O
in	O
post-analysis	O
and	O
continuous	O
operations	O
.	O
</s>
<s>
Vflo	B-Algorithm
models	O
may	O
be	O
calibrated	B-General_Concept
by	O
loading	O
precipitation	O
maps	O
for	O
historical	O
events	O
and	O
comparing	O
simulated	O
volume/peak	O
hydrographs	O
to	O
observed	O
hydrographs	O
.	O
</s>
<s>
Elevation	O
data	O
are	O
taken	O
from	O
a	O
digital	B-Application
elevation	I-Application
model	I-Application
.	O
</s>
<s>
Vflo	B-Algorithm
is	O
developed	O
to	O
utilize	O
multi-sensor	O
inputs	O
from	O
radar	B-Application
,	O
satellites	O
,	O
rain	O
gauges	O
,	O
or	O
model	O
forecasts	O
.	O
</s>
