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E.
By means satellite observations it is possible to detect 3. INVESTIGATION OF THE JAKUSEVEC
geo-structural elements of the area where the waste is WASTE DUMP
disposed. Of special importance is fault tectonics, which
can have an effect on the relationship between the ^ The Jakusevec waste dump is situated on the right bank
lithofacies in which the waste is deposited and the site of the Sava River, at the southeastern periphery of the
selection. Larger faults are important because of possible ^ city of Zagreb, some 6 km from the center. Newer parts of
seismological activities and potential ground de- Zagreb are only about 1000 meters away from the site,
formations across such faults in the event of an and itis only a few hundred meters from the dump to the
earthquake. Furthermore, it is possible map ,buried' river ^ first houses ofthe village of Jakusevec (Fig. 1).
backwaters and meanders, which are usually very hard to
detect on the ground, in addition to the determination of — 3.4, Analysis of structural geological characteristics
the ground moisture content. This information helps in the
determination of the hydrogeological characteristics of the The Jakusevec waste dump is located in Quaternary
area. clastic sediments of mostly alluvial lithofacies and
di kan: heterogenic composition. The sediments are mainly
Metric stereo airphotos are also a very significant source small-grained sands and clays with strata of an average
of information concerning the terrain on which the waste thickness of about 2-3 m (Mayer & Markovac, 1992). Due
dump is located and the waste dump itself. Time series to the exploitation of construction gravel these sediments
enable us to determine changes of the waste dump site, have been removed in some places. Under these layers
the vegetation surrounding of the dump site, and the there are gravels and small-grained sands, which
volume of waste disposed, which is compared to ^ alternate vertically and horizontally.
terrestrial methods, faster and less expensive. On thermal The thickness of the layers under the waste dump varies
infrared aerial images one can determine anomalies at between 40 and 50 meters (Fig. 2). These gravel-sand
the surface of the waste dump, which indicate higher sediments are the main aquifer in this area.
temperatures in relation to the surrounding area.
By analyzing these images it is possible to determine the
level of decomposition activity.
yes d ps 7 | = 5 657. > (> A M.
SZ ^ s E U / /f , N — {oo sut ym 2
Ke mie oli CA ih Lee =
mdr Render fo Yor perp] ! » EN ST eer EZ
Ri pu o w t + ! Ej f f ow m 4 INN ] / ! HM ZN B el n
En ^ £u e V I AA f£ ui / ^f" Ae AN f. E fe AN P
A A i fe Zi = S | Ll J 7 Ly | / / l / 4 / zt A mA m
A Z^ x ) / 7 Ar / / f Z | ! 1 7 f d frei e um mets = |
# A x d y yg 11 // i | / P uo JE 4 EM u
4f Mad ES 7 ri £1 Lr MJ | / fae ! / in Le” fii pou JT
É aN Sr ES FE in RS rd Lm ;
; 7 Zi ^ d / ; A id D / = ; f 73 / d Um ges Meere rum s
eo D m { À jc f OF E Mug S. d Z2 eg
- = re ee = em E k reme p i M
— ~ a AS Zagre zz
i DRAN ZT ZZ
Sand
Figure 2: Block diagram of waste dump ,Jakusevec
(Zagreb)
551
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996
