<s>
A	O
Hovmöller	B-Application
diagram	I-Application
is	O
a	O
common	O
way	O
of	O
plotting	B-Application
meteorological	O
data	O
to	O
highlight	O
the	O
behavior	O
of	O
waves	O
,	O
particularly	O
tropical	O
waves	O
.	O
</s>
<s>
The	O
axes	O
of	O
Hovmöller	B-Application
diagrams	I-Application
depict	O
changes	O
over	O
time	O
of	O
scalar	O
quantities	O
such	O
as	O
temperature	O
,	O
density	O
,	O
and	O
other	O
values	O
of	O
constituents	O
in	O
the	O
atmosphere	O
or	O
ocean	O
,	O
such	O
as	O
depth	O
,	O
height	O
,	O
or	O
pressure	O
.	O
</s>
<s>
The	O
alternate	O
orientation	O
of	O
axes	O
may	O
also	O
be	O
used	O
,	O
as	O
a	O
Hovmöller	B-Application
diagram	I-Application
may	O
be	O
plotted	O
for	O
longitude	O
or	O
latitude	O
on	O
the	O
abscissa	O
and	O
for	O
(	O
advancing	O
)	O
time	O
on	O
the	O
ordinate	O
;	O
then	O
the	O
contour	O
values	O
of	O
a	O
named	O
physical	O
field	O
may	O
be	O
presented	O
through	O
color	O
or	O
shading	O
.	O
</s>
<s>
The	O
Hovmöller	B-Application
diagram	I-Application
was	O
introduced	O
by	O
Ernest	O
Aabo	O
Hovmöller	O
(	O
1912-2008	O
)	O
,	O
a	O
Danish	O
meteorologist	O
,	O
in	O
a	O
paper	O
published	O
in	O
1949	O
.	O
</s>
