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This
portal
provides
access
to
a
large
selection
of
real-time
and
archived
data
on
stream
flow
and
water
quality
for
surface
and
groundwater.
Links
are
provided
to
the
National
Water
Information
System
Web
Interface
(NWISWeb),
which
accesses
data
collected
at
approximately
1.5
million
sites
in
all
50
states,
the
District
of
Columbia,
and
Puerto
Rico.
Data
categories
include
current
conditions
information
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Students can participate in an online survey to provide their opinions on water quality and supply, how water concerns rank with other environmental issues; and to vote for their favorite body of water. All answers go into a database and the results are displayed in a table so they can see how other participants answered.
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This
report
provides
an
overview
of
the
supply
and
uses
of
groundwater
in
the
United
States.
Topics
include
general
facts
and
concepts;
the
groundwater
budget
and
its
response
to
pumping;
effects
of
groundwater
development
on
surface
water
bodies
and
on
storage;
water
quality
factors;
and
sustainability
of
supplies.
The
report
is
available
in
a
downloadable,
printable
version
and
can
be
ordered
as
...
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This
report
discusses
the
spatial
distribution
of
the
largest,
most
damaging
floods
in
the
United
States
and
some
of
the
factors
that
affect
this
distribution.
Topics
include
regional
climatology,
topography,
and
basin
size.
A
discussion
of
climatological
factors
includes
the
general
northward
trend
of
decreasing
atmospheric
moisture;
proximity
to
oceanic
moisture
sources
such
as
the
Pacific
Ocean
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Choosing & Using this resource...
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This
resource
introduces
students
to
the
idea
of
saline
water.
Topics
include
how
saline
water
is
defined
and
how
dissolved
salt
concentrations
are
expressed
(parts
per
million).
Parameters
for
the
various
ranges
of
salinity
(fresh
to
highly
saline,
or
seawater)
are
also
presented,
and
there
is
a
brief
discussion
of
water
quality
considerations
regarding
saline
water.
Links
to
additional
information
...
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Choosing & Using this resource...
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This
searchable
database
of
reports
and
thematic
maps
currently
contains
more
than
69,000
United
States
Geological
Survey
(USGS)
bibliographic
citations,
including
USGS
numbered
series
begun
as
early
as
1880.
The
basic
search
options
include
author
and/
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This portal provides links to an extensive selection of photo and image galleries available on United States Geological Survey (USGS) websites. It features a short list of highlighted sites, such as the Earth Science Photographic Archive and the 'Earth as Art' gallery. Other image sites are grouped by subject: biology, ecosystems, geology, geography, hydrology, and national parks.
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Choosing & Using this resource...
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This
portal
links
selected
United
States
Geological
Survey
(USGS)
online
resources
to
an
established
list
of
content
standards
for
the
state
of
California.
Standards
data
is
extracted
from
state
documents
'California
Content
Standards
for
California
Public
Schools:
Kindergarten
Through
Grade
Twelve'
with
consideration
of
'Science
Framework
for
California
Public
Schools:
Kindergarten
Through
Grade
...
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Choosing & Using this resource...
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This
portal
provides
links
to
a
set
of
online
map
indexes
of
the
United
States
Geological
Survey
(USGS)
and
other
organizations
which
can
be
used
to
locate,
view,
or
create
maps.
For
teachers,
there
is
the
Education
Map
Catalog,
which
provides
access
to
several
hundred
of
the
most
useful
USGS
maps
for
teaching
and
learning,
organized
by
12
themes.
The
maps
are
available
in
a
wide
variety
of
scales
...
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Choosing & Using this resource...
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This
portal,
published
by
the
United
States
Geological
Survey
(USGS)
Water
Resources
Program,
provides
access
to
information
on
national
water
use.
There
are
links
to
a
set
of
reports
and
data
on
U.S.
water
use
from
1985
to
2000.
Other
links
access
a
map
comparison
of
consumptive
use
and
renewable
water
supply
by
water-resources
region,
introductory
material
on
the
National
Water-Use
Information
Program,
...
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