International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B7. Istanbul 2004
1 INTRODUCTION
This paper approaches a research requested to the
LabFSG of the UFSC by the Municipality of Säo Jose. The
problem appeared from a community action of the
neighborhood of the seashore of the historical center of the city
(from the Antonieta to the Ada beach) against the municipality
that resulted in the seizure of the construction of a highway,
known as “Beiramar Continental”.
The community action alleged that the construction of
the highway would commit the quality of the water, besides
provoking a damage of the cultural heritage. It fell to the
research to prove the truthfulness or not of these allegations in
order to allow the municipality to accomplish the works in order
to improve the quality of the citizens' life, without harming
them, without hurting the legislation or still, without blemishing
the constructions and the historical monuments.
The risings of the pertinent legislation began, in order
to evaluate the legal situation concerning to, property right,
access to the beach, “ferrenos de marinha” (Brazilian coast
lands that are 33 meters from the medium high tide of 1831),
among others.
2 METHOD
Intending to accomplish the solicitation of the
Municipal City Hall of Säo José, an expertise was developed in
the seashore that includes to the historical center of that
municipal district.
The expertise seeks the analysis of the following
items:
a) Identification of the high tide of 1831;
b) Identification of the strip of navy lands;
c) Identification of the current seashore;
d) Identification landscape, ^ urbanistic or
environmental alterations;
Those, which were approached in popular action and
lawsuit.
The maps obtained in 1995, was evaluated as well as
the group of aerial pictures that originated it. Besides these, it
was collected images, corresponding to the area, of the years of
1938. 1956 and 1978. Through ground control points implanted,
it was made the rectification of the images above obtaining as
product ortophotos of each one of the years. It was also
collected maps, which contains the determination of the
medium high tide of 1831. As final product, ortophoto maps
were generated (of each one of the dates previously mentioned)
containing the themes: medium high tide of 1831 and the
themes of the 1995's cartography. Simultaneously it grew a
research with relationship to the historical characterization of
the city's occupation, which during many years was trade point
and passage of products between the plateau and the Island.
3 MATERIAL
Besides inspects in loco, it was used for the
accomplishment of the expertise the following analysis
instruments:
a) Aerial pictures of the area, of several years, as
1938, 1956 1978 and 1995;
b) Restitution of the Photogrammetric surveying of
1995, accomplished in 1996;
c) Restitution of the Photogrammetric surveying of
1996;
4 THEORY
4.1 Monitoring
The monitoring is treated as an indispensable process
to make a report that concerns the viability to execute an
enterprise. The techniques used for the execution of the
monitoring consisted of the interpretation of the temporary
series of aerial pictures of the area of interest. The fast alteration
that happens in the urban and rural areas turns necessary to
verify the occupations conditions periodically.
The changes happen mainly in implanted divisions
into lots, dismembered lots, expansion of divisions into lots and
municipal districts (altering the urban panorama gradually and
consequently the rural panoram), new constructions, changes in
the roads system and other alterations that change the real estate
cadastre.
According to KARNAUKHOVA, the acquisition of
images through the techniques of Remote Sensing, represent the
model of the surface, reflecting the real geographical situation
in the moment of the acquisition of the image.
4.2 Photogrammetry
Considering the picture as essential source of
information, it was born Photogrammetry, defined as the
technique or the applied science that has for purpose to
determine the form, the dimensions and the position of the
objects contained in a picture, through measures made on the
own photographic image. That definition is only based, in the
character of measurements, however, the ability to interpret the
picture is so important with relationship the one of measuring
her. According to LOCH, Photogrammetry is the science and
the technology of obtaining safe information regarding physical
objects and of the environment, through registration processes,
measurement and interpretation of photographic " images.
4.3 Photointerpretation
According the American Society of Photogrammetry
as the act of to examine and to identify objects or situations in
aerial pictures and other sensor, determining their meaning.
Photointerpretation can still be defined as " the
forecast of what it can be seen in the image " (SUMMERSON).
This can be explained when it cannot characterize an object
directly in the image, needing to lean on in known data, to
extract or to deduce what represents the object in subject.
4.4 Legislation
4.4.1.1 Definitions
Strip of Terrenos de Marinha, according to the
legislation, is a strip in a width of 33m, from any marine, or
fluvial waters counted of the medium high tide of 1831 earth
inside.
Acrescidos de Marinha are those formed natural or
artificially, inside of the sea or of the river, starting from the
medium high tide line of 1831.
For all the effects of the legislation, the influence of
the tides is characterized by the periodic oscillation of 5 (five)
centimeters at least of the level of the waters, that happens in.
any time of the year.
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