NDLI: Wody podziemne głębokich systemów krążenia na Niżu Polskim

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Wody podziemne głębokich systemów krążenia na Niżu Polskim

Content Provider	Semantic Scholar
Author	Bojarski, Leszek Sadurski, Andrzej
Copyright Year	2000
Abstract	Wody podziemne hydrogeologicznych pieter paleozoiku i mezozoiku wyrozniają sie bardzo duzym zroznicowaniem mineralizacji począwszy od wod zwyklych (slodkich) w strefach wychodni pod serią skal czwartorzedowych, do silnie stezonych solanek — roztworow niemal nasyconych w partiach osiowych struktur nieckowych. Geneza wod oraz zmiennośc mineralizacji i skladu chemicznego zalezy w duzym stopniu od budowy geologicznej Nizu Polskiego, charakteru litologicznego warstw wodonośnych (tzw. skal zbiornikowych), geometrii tych warstw w basenie sedymentacyjnym w stosunku do obszarow zasilania i drenazu oraz od miązszości kompleksow skal nieprzepuszczalnych. Waznym elementem dla zasiegu ich systemow krązenia i kierunku przeplywu wod podziemnych lub w skrajnym przypadku ich stagnacji, są gradienty ciśnien zlozowych w profilu pionowym i rozklad przestrzenny przewodnictwa wodnego (oporow hydraulicznych) w ośrodku skalnym. W starszych pietrach hydrogeologicznych notowane są anomalne ciśnienia zlozowe solanek. DEEP CONNATE GROUNDWATER OF THE POLISH LOWLANDS Summary The groundwaters occurring in the Palaeozoic and Mesozoic strata reveal a great differentiation of TDS (total dissolvedsolids) in range from the fresh waters in the outcrop region, below the Quaternary deposits, to the almost saturated brines in the central parts of the sedimentary basins. A great influence on TDS variability, the chemical composition and water origin is connected with geostructures, lithological composition of the aquifer, position of the aquifer in relation to recharge area and with the thickness of the aquitards or aquicluds in the geological profiles. The changes of hydraulic head value of the deep connate groundwater, distribution of transmissivity and particular their anomalies is the very important factor for the determination of the water flow direction or their stagnation. In the older — Paleozoic aqiufers — the anomalies of pressure are stated.
Starting Page	587
Ending Page	595
Page Count	9
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://geojournals.pgi.gov.pl/pg/article/download/15301/12969
Volume Number	48
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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