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Cassinis, R.

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S9E.4- 1 0.6 20.
CONSICLIO NAZIONALE DELLE RICERCHE
LABORATORIO PER LA GEOFISICA DELLA LITOSFERA 20131 MILANO. ........JUNE.... 1.9.7.4 .....
Posta: GEOLAB. Via Mario Bianco. 9
Teeleono (02) 28640227 - 2899905
"Made available under NASA sp i-
in the interest of early and wih is-
Semination of Earth Resources Survey
Program information and without liability
for any use made thereot."
Skylab E R E P - Second Progress Report
I,(E74-10620) [VOLCANOLOGY, GEOLOGY, AND N74-28848VEGETATION OF ITALY AND SICILY]
Progress Report (Consiglio Nazionale delleRicerche, Milan) 
-9-p HC $4.00 CSCL 08F Unclas
G3/13 00620
OrlIndl Photography, a . .uEROS Data Center
O10th and Dakota Avenue
Sioux Falls, so 51198
14 ::~i
https://ntrs.nasa.gov/search.jsp?R=19740020735 2020-03-23T05:31:29+00:00Z
C. N. R. -Fglo N.1
LAB. PER LA GEOFISICA DELLA LITOSFERA .............
I - Test site area: Sicily
The study of the environment of Mt.Etna will
continue in the month of June with the on ground ob-
servation performed by a joint group of geologists
and vegetation patologists.
The main topic will be the comparison between
the forest surrounding the area of the last lateral
eruption of February '74 and the one in the northern
slope of the volcano, showing, by a first observa-
tion on the images,the same drop in the near I.R.
reflectance which could be originated by the gases
escaping from the shallow underground lavas.
While this research is of maximum interest in
order to forecast the volcanic eruptions, it must
be considered in the frame of a wider study regar-
ding the so called " spectral indicators ".
The analysis of the vegetative canopy will ta-
ke into account respectively the anomalous seasonal
behaviour of the brush as well as of the pinus and
oak trees forming the forest belt around the large
volcanic structure. In fact, the velocity of the
metabolic change is strongly different for brush and
high trees; as far as visible and near I.R. reflectan-
ce is concerned.
2 - Other areas
a) Delta Po area.
The pattern recognition on rice fields has been
almost completed using both false color I.R. photo-
graphy ( the original Skylab image ) and the color-ra-
tio performance of the multispectral bands.
By the ratio method the presence of clorophyll has
been enphasized while by means of the false color com-
bination the small spectral characteristic differences
were pointed out.
./..
C. N. R.
LAB. PER LA GEOFISICA DELLA LITOSFERA Foglio N....2 .........
The comparison between the ratio of bands 42-37
and 41-38 gave the best results
b) Venetian Plain Regioh.
The patterns of some paleo river beds have been
mapped with satisfactory results using the images of
S 190 A Multispectral Camera.
For this research we employed an analog TV pro-
cessing system to examine the information content of
the bands ratio.
By applying the integrative function it was pos-
sible to follow the continuity of the patterns influen-
ced by the surficial moisture.
C.N.R. 3
Foglio N ..........LAB. PER LA GEOFISICA DELLA LITOSFERA
FIGURE CAPTIONS
I - Delta of river Po.
The square corresponds to the investigated area ( see slides
2 and 3 ).
2 - Delta of river Po ( color slide ): additive synthesis of
42 redand 41
ratio atio (green).37 38
The total surficial clorophyll distribution is shown.
The comparison between the original false color image and
this composite gives almost a complete description of the
vegetation canopy. The clorophyll content in coastal water
is also observed.
3 - Delta of river Po (color slide) : additive synthesis of
37 42
contiguous bands ratio ( --- +--- ). A discrimination inside
the vegetation canopy is38 o lerved.
4 - Venitian Plain Ragion; encircled is shown the investigated
area ( north of the city of Padua ).
5 - Map showing the hydrogeological knowledge ( mainly concerning
old riverbeds) in the venitian plain, before the Skylab inve-
stigation. Scale : 1:75.000.
6 - A map of the same area ( scale 1:250.000 ) illustrating the
old riverbeds and the gravel deposits found by the means of
the analog technique of interpretation of Skylab images ( masking
slicing and ratio additive synthesis).
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la pianura circostante, con direzione del flusso.
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d ordine e dirozione dei vol
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VICENZA.- *-........
FIG.6
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it C.~
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+D 41 -D38.
_o .. il; J,.o~(I
L E CE NOD
/1' ,,r
.,- •Paleo river-bed , / Gravel and sand deposits
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Old river winding urban areas
.. ," ./1 High way
Boundary of freshwater sings
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+-D 41 - D38 
_____
LEGEND
Paleo river-bed Gravel and sand deposits
- Aluvia terace Alluvial materials
Old river winding Qg. Urban areas
Boundary of fresh-
- Main road


Volcanology, geology, and vegetation of Italy and Sicily

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