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Streamflow Measurement
Reginald W. Herschy
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eBook - PDF
Streamflow Measurement
Reginald W. Herschy
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About This Book
Too little water or too much'? In either case streamflow measurement is crucial. Climate change could significant affect water resources and flood management. Streamflow measurement is necessary for efficient water management.This third edition deals with all the main current methods for measuring the flow in rivers and open channels, in accordanc
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Information
1.3
Field
measurements
Streamflow
is
the
combined
result
of
all
climatological
and
geographical
factors
that
operate
in
a
drainage
basin.
It
is
the
only
phase
of
the
hydrological
cycle
in
which
the
water
is
confined
in
well-defined
channels
which
permit
accurate
measurements
to
be
made
of
the
quantities
involved.
Other
measurements
of
the
hydrological
cycle
are
point
measurements
for
which
the
uncertainties,
on
an
areal
basis,
are
difficult,
if
not
impossible,
to
estimate.
Good
water
management
is
founded
on
reliable
streamflow
information
and
the
final
reliability
of
the
information
depends
on
the
initial
field
measurements.
The
hydrologist
making
these
measurements
has
therefore
the
responsibility
of
ensuring
raw
data
of
acceptable
quality
are
collected.
The
successful
processing
and
publication
of
the
data
depend
largely
on
the
quality
of
the
field
measurements.
This
book
is
therefore
for
field
hydrologists
and
for
students
of
hydrology
in
universities
and
colleges.
Figure
1.1
The
hydrological
(water)
cycle
with
major
reservoirs.
Note:
The
fluxes
of
evaporation,
precipitation
and
annual
run
off
are
in
km
3
year
−
1
2
Introduction