THE IMPACT CAUSED BY THE CONSTRUCTION OF ITAIPU HYDROELECTRIC RESERVOIR IN THE NEARBY
URBAN STRUCTURES
CELSO GONCALO DIAS JUNIOR
IPARDES - Instituto Paranaense de Desenvolvimento Economico e Social
Rua Marechal Hermes, 999 - Centro Civico
80530 - Curitiba-Parana-Brazil
FRANCISCO L. P. LANGE JUNIOR
SANDOR SOHN
ITCF - Instituto de Terras, Cartografia e Florestas
Rua Desembargador Motta 3384 - Merces
80410 - Curitiba- Parana- Brazil
ABSTRACT:
The
pu rpose of t his st udy
is to demonst rat e
changes caused by the const ruct i on of
Itaipu Reservoir in Parana State, South of Brazil, through differences in the growth
rhythm of the cities which are close to each other:- and nearby the generating plant.
This study, based on aerophotos and satellite LANDSAT TM 5 digital data, evaluate this
impact in urban structures of F6z do
Igua~u
and Guaira cities.
KEY WORDS: Cartographic, Economic, Image Interpretation, Photogrammetry, Thematic.
The count y is managed wi t h income taxes
INTRODUCTION
1.
that provide development and investment.
The dynamic of Brazilian cities expansion
usually
depended
on
prefectural
With the new Constitution of Brazil,
one of
it's article,
This fund is generated mostly by economic
plans.
in
cities over 20.000
activities.
Tourism is increasingly one
of
important
t he most
taxes,
inhabitants should have a directive plan.
sources of
specially
income
concerning
those
districts which have some kind of tourism
In
Parana
State,
developed
under
enterprises.
depends
wi 11
on
be
these
the
accompli shed
settlement
deve 1opment
attraction.
of
many
usually related to natural
The district
whether
of
of
not.
priorities must
as
development
directive
or
at tract ions
were
guide
the
Tourist
plans
parks,
resources such
water-falls,
lakes,
are
useful
arts, beach, etc ...
plan
The
Notwithstanding
guide the
cities
expansion
plans
concern urban centres, a new fact such as
the select ed areas wh i ch
the
will receive fund in order to achieve it
can
as well as population needs.
626
construction
fundamentally
of
a
generating
change
the
plant
future
development of the district involved.
The
Purpose
of
with
demonstrate;
LANDSAT
TM
study
t hi s
help
of
images,
5
social-economic
is
informations;
data
that
could
management
corrections
caused
impact.
to
3)-
contribute
to
provide
by
t his
elaborate
a
development plan based on real data taken
satell ite
aerophotos
available
and
from the impact. 4)- demonstrate that the
that
district urban community participation is
building trades such as the construction
of
of Itaipu Reservoir can deeply change the
cam change the future life of a city. 5)-
natural
At
F6z do
development
of
nearby
cities
and Guaira.
Igua~u
great
importance whenever
1 ast ,
structure,
of this study are the urban
of
these
cities
and West
of
ext reme
West
Several
years ago,
both
known international
homogeneous
Lange
Maximiano(1990),
artificial
The subject
as
located
at
and
that
satellites
are
concerning
real
about
environment
and
great
of
informations
its
disposal
had well
Analyses
touristic attraction,
population
Jr.
to the public.
Parana State.
cities
dec; sion
demonstrate
importance
the
a
and
and
manipulation
of
pixels
values trough computers provided by orbit
alike
image process in digital format is one of
demographic rates. ( Fig.1).
the methods of getting information.
2. METHODOLOGY AND MATERIALS
2.1. Area of Study
As the subject of the study is the impact
caused
by It a i pu Reservoi r const ruct ion.
the chosen areas were F6z do
Igua~u
Guaira
of
cities,
in
West
Parana
State.(Fig.2).
However,
of
its
F6z
Itaipu
do
Igua~u
Reservoir
localization
took t he benefit
construction
while
almost
due to
none
was
brought to Guaira.
The main objectives of the study are: 1)get
available
concerning
data
urban
of
the
impact.
districts
2)-
get
~----.---------------------------~
627
and
2.2. Materials used
In
order
2.3 Methodology Used
develop
to
panchromatic aerophotos dated
and
1980,
order
scale
to
1 :25.000
identify and
paper,
this
1953,
were
1963
method
of
comprised
work
interpretation
of
in
Igua9u,
scale
1 :25.000
urban
Guafra,
scale
used
delineate
The
aerophotos
to compose cartography data.
Nineteen sixty-three
After
scale were
used to
data
identify and compose
cartography data of that time.
Satell ite
LANDSAT
TM 5
orbit
recording
in
LANDSAT
computer,
TM
F6z
1963
the
structures of the cities involved.
aerophotos 1:10.000
of
dated
1 :25.000 on
basic
do
and
same year
digital
5
analysis were
made in
order to get the ideal
combinations that
woul d best character; ze
urban st ructures
during interpretation.
image was
used as main study at orbit-point 224/78
the
combination
band
that
best
dislocated six seconds north on 19/05/91
As
in digital
represents this structure was identified,
LANDSAT
format -
TM
1:250.000
5
streamer data disk,
images
scale
orbit
in
colour
point
the material analysis was possible.
paper,
224/78
on
02/09/89 and 224/77 on 18/09/89 and TM 5
Information
scale
1 :100.000
satellite digital
orbit
point
224/77
B
images
224/78
on
B
09/08/86
in
colour
on
12/10/86
were
used
paper
as
plants
Guafra,
scale
of
F6z
1 :10.000
do
and
a
colour
photographic
support,
were
Guafra
paper
recorded
in
in
1 :250.000
3.RESULTS
and
1990 were
Urban
scale
additional
of
image on 1991 of F6z do
Igua9u
also used at the present study.
As
interpretation
approximate scale.
Igua9u
dated
on
and
support and preliminary analysis.
Urban
based
the
social-economic
plants
mapping
1:10.000 on 1963
treatment
from
aerophotos
and
results from
of satellite
LANDSAT TM 5
data about the two cities were taken from
image were overlaid and demonstrate that
official institutes.
urban expans i on of F6z do I gua9u
was of
great importance when compared with urban
A
PC-AT
type
microcomputer,
SITIM-150
expansion of Guafra.
software, digital table, MAXICAD software
Nineteen
are used to this study.
conf i rms
ninety-one
t he
real it y shown
image. (Table 1).
628
demographic
by
census
sat e 11 it e
foreign products from Cidad del
200.000.,----------r--------,------,
Paraguay,
through
Tancredo
Amizade
bridge
Neves
Leste in
bridge,
construction
between Brazi 1 and Argentina and the Big
It a i
120,000
pu Lake.
ACKNOWLEDGMENTS
This study was made possible by a
study
SEPL/ IPARDES.
1980
1970
agreement
SOURCE: II!tlJE
to Mr.
Sate'l ite
LANDSAT TM 5
digital
Paulo R.
very
Special
acknowledgements to Mr.
C.
Dr.
constructive
Boschilia
Mariane
several
graphics and maps.
of
cities expansion.
Quedas
Sete
Reinhard
Mr.
IPARDES
Emilio
very
for
const ruct i ve comment s and support.
data and
the spatial variation of urban sites and
about
Macedo,
of
Rohrbach
between
comments.
Vit6rio Sorotiuk of
Mariano M.
images have been effectively used to show
relationship
and
Martini of the INPE for
their
ITCF,
pilot-test of
SEMA/ITCF
The aut hors are g rat efu 1
Heissler of GTZ, Dr.
4. SUMMARY AND RECOMMENDATION
This work was basically a
between
joint
aerophotos
processing
L.
Barberi
all
who
Pau 1 0
aerophotos
have
drawn
and
all
The dest ruct ion
Falls,
touristic
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