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Document Description
Title
A
model
study
of
interannual
and
decadal
variability
of the
arctic
and
sub-arctic
oceans
Author
Lundrigan
,
Sarah
Emily
Mae.
Description
Thesis
(M.Sc.)--Memorial
University
of
Newfoundland
,
2010.
Physics
and
Physical
Oceanography
Date
2010
Pagination
xii, 91 leaves : col. ill., maps
Subject
Ocean
circulation--Arctic
Ocean--Computer
simulation;
Water
masses--Arctic
Ocean;
Water
masses--Atlantic
Ocean
Degree
M.Sc.
Degree Grantor
Memorial University of Newfoundland. Dept. of Physics and Physical Oceanography
Discipline
Physics and Physical Oceanography
Language
Eng
Notes
Includes
bibliographical
references
(leaves
83-91)
Abstract
In this
work
I
investigate
the
interannual
and
decadal
variability
in the
properties
and the
transformations
of the
Atlantic
Water
(AW)
mass
using
an
Ocean
General
Circulation
Model.
A
course
resolution
tri-polar
grid
coupled
ocean/sea
ice
model
(NEMO-OPA/
NEMO-LIM)
is
forced
with
atmospheric
parameters
from
NCEP/NCAR
reanalysis.
The
quality
of the
model
is
assessed
through
comparison
with
observations.
--
The
model
results
show
that there are in
general
two
major
processes
that
influenced
the
heat
and
salt
balance
of the
Arctic
and
Sub-Arctic
between
1985
and
2005.
In the
first
decade
of this
period
the
volume
flux
of
Atlantic
Water
into the
Nordic
Seas
was not
balanced
by the
outflow
of
Atlantic
Water
into the
Arctic.
This was a
period
of
increase
of the
Atlantic
Water
volume
and
temperature
in the
Nordic
Seas.
Secondly
, the
Atlantic
Water
inflow
into the
Nordic
Seas
was
warmer
and
saltier
than
normal
between
1995
and
2005.
These
two
processes
caused
a
rise
in the
model
temperature
of the
Arctic
and
Sub-Arctic
similar
to
observed
warming
trend
in these
regions.
Type
Text
Resource Type
Electronic
thesis
or
dissertation
Format
Image/jpeg;
Application/pdf
Source
Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries
Local Identifier
a3475132
Rights
The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission.
Collection
Electronic
Theses
and
Dissertations
Scanning Status
Completed
PDF File
(10.88
MB)
--
http://collections.mun.ca/PDFs/theses/Lundrigan_Sarah.pdf
CONTENTdm file name
33914.cpd
