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2008 | 8 |
Article title

Nadzwyczajne zdarzenia w infrasktrukturze transportu drogowego województwa łódzkiego

Title variants
Exceptional events in the infrastracture of road transport in Łódź district
Languages of publication
Artykuł powstał w wyniku prac badawczych prowadzonych w ramach Projektu Zamawianego MNiI (K091/P04/2004/11).
The aim of this analysis is to present events, which concerned communication infrastructure
in Łódź district in 1999-2004 in river valleys. Valleys' borders were taken from geomorphologic
drafts of Detailed Geological Maps in scale of 1 : 50 000. The total number of events was 430,
which was 14.2% of total registered events in particular district. Within long lasting period the
number of events successively grew, the fastest increase was observed in the group of small
events (>= 1 kg of the used sorbent), however medium events were just after small ones (>= 10 kg of the used sorbent). Large local events (>= 100 kg of the used sorbent) did not exceed
10% of the total of small events, with no definite tendency to change.
As a result of increase of events number, the amount of used sorbent increased as well.
Between 1999 and 2004 its fourfold increase was recorded. During the whole year its warm
half year was significantly dominant. The greatest danger for the environment of Łódź district
river valleys, according to EWID _99 database, is generated by road transport partially causing
chemical and ecological threat. However, the scale of this phenomenon is very changeable. If
the amount of used sorbent is compared, it is clear that its 6% were used in chemical and
ecological rescue operations in 2000, while 43% in 2003. Between two biggest river valleys
crossing Łódź district more endangered one is Warta river valley. During the period of
analysis 35 local events took place (8% of total events in river valleys) and 967 of sorbents
were used, of which 1% were used to remove ecological elTects. In Pilica valley the number of
events was two times smaller, what resulted in usage sixfold smaller amount of sorbents than
in Warta valley. Any chemical and ecological events were recorded.
Physical description
Document Type
Publication order reference
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