Wpływ opadów atmosferycznych i temperatury powietrza na wahania stanów wód gruntowych w profilu Buk - Skórzewo - Poznań-Szczepankowo w latach 1961-1983
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Date
2007
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Wydawnictwo Poznańskiego Towarzystwa Przyjaciół Nauk
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Abstract
This study depicts analysis results of influence
of precipitation and air temperature on
fluctuation of the level of the groundwater table
in Buk – Skórzewo – Poznañ-Szczepankowo
profile in years 1961–1983. It is assumed in this
work, that the level first groundwater table
primarily depends on meteorological conditions,
however local conditions, as relief, geology,
etc. have minor influence. Therefore chosen
observation posts characterize comparable
conditions of aquifer occurrence (similar geomorphology,
petrology).
In this study foregoing data were used:
groundwater table, daily precipitation and average
daily air temperature from the period 1961
to 1983. A groundwater table was measured in
three stations: Buk (52°21’ N, 16°32’ E), Skórzewo
(52°23’ N, 16°48’ E) and Poznañ-Szczepankowo
(52°22’ N, 17°01’ E). However meteorological
data originate from Poznañ-£awica
(52°25’ N, 16°50’ E) station, which was chosen as
a representative.
On the basis analysis of variability of
groundwater level and distribution of precipitation
and air temperature in years 1961–1983,
as well as correlation analysis, some mutualdependences
between mentioned hydroclimatological
elements can be affirmed. On the basis
of variability of average annual level of the
groundwater table (approximate to three analyzed
posts) and annual precipitation, the relationship
between both elements has been found
out: along with increasing precipitation groundwater
table rises up.
However analysis of the correlation matrix
can affirm, that precipitation in July and December
have a largest impact on groundwater
table. Moreover, usually the correlation coefficient
takes a highest value for precipitation in
relevant month and groundwater table in successive
one, which could prove of one-month
delaying factor during groundwater recharge or
bailing.
Despite confirmed relationship between meteorological
conditions and fluctuations of
groundwater level, there is still need of such
studies. Kind and intensity of precipitation
seems to be an important factor for groundwater
recharge and renewal mechanisms. The
above could help in creating mathematical models
and prediction of quantity and quality of
groundwater.
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Citation
Badania Fizjograficzne, Seria A, Tom 58, 2007, s. 159-168
Seria
Seria A - Geografia Fizyczna Tom 58;
ISBN
978-83-7063-538-1
ISSN
0067-2807