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Tytuł:
Assessment of characteristics, water quality and groundwater vulnerability in Pakis District, East Java Province, Indonesia
Autorzy:
Rubiantoro, Prasetyo
Bisri, Mohammad
Afandhi, Aminudin
Powiązania:
https://bibliotekanauki.pl/articles/2073736.pdf
Data publikacji:
2022
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
geoelectrics
groundwater
intrinsic vulnerability
pollution
groundwater quality
specific vulnerability
Opis:
Groundwater is a very important natural resource to support the activities of the residents of Pakis District, Malang Regency. On the other hand, increased activity puts pressure on groundwater quality. Agricultural intensification, urbanisation, and industrialisation can be sources of pollutants. Hydrological factors, topography, lithology, and surrounding rainfall are triggers for contamination of groundwater. The main objective of this research is to determine the characteristics, quality of groundwater, and its susceptibility to pollution. To complete this research, geoelectric measurements were carried out at 43 points spread throughout the study area and sampling of 18 shallow wells in agricultural, residential, and industrial areas for chemical analysis. All data obtained were analysed to create a map of the spatial distribution of groundwater vulnerability. The results show that the groundwater in the study location is in the transition zone and flows through the volcanic rock layers. The level of groundwater pollution is in the uncontaminated status to heavily polluted with pollutants in the form of heavy metal manganese and Escherichia coli bacteria. The spatial distribution of groundwater intrinsic vulnerability shows low, moderate, and high levels of vulnerability, respectively 32.99%, 60.87%, and 6.14% of the research area. Groundwater specific vulnerability associated with land use factors shows that 26.25% are negligible, 42.46% are low, and 31.29% are moderate. From this it can be concluded that the study area has been polluted both geogenically and anthropogenically, therefore, special actions must be taken to restore the quality of groundwater.
Źródło:
Journal of Water and Land Development; 2022, 52; 124--132
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of factors affecting the intrinsic vulnerability of groundwater rated by the mean residence time estimation method
Autorzy:
Duda, Robert
Kowalczyk, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2058610.pdf
Data publikacji:
2019
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
groundwater vulnerability
intrinsic vulnerability
residence time
travel time
MRT
GIS
Opis:
We analyse the factors used for assessing groundwater intrinsic vulnerability to pollution in the mean residence time estimation method, providing a final vulnerability evaluation. The following factors were analysed: depth to shallow groundwater, effective precipitation infiltration coefficient, terrain inclination, volumetric water content of soils and rocks in the unsaturated zone and volumetric water content of the topsoil. GIS surveys were performed for two geomorphologically diverse regions: a highland piedmont and a lowland plain in Poland (Central Europe). In both cases, groundwater had spatially diverse vulnerability to contamination. The research method used relied on determining the percentage participation of the area with particular values of the parameters analysed in areas of different degrees of vulnerability. Knowledge of the extent and distribution of variability of the parameters analysed in areas of particular degrees of vulnerability helps explain the causes of spatial variation in groundwater intrinsic vulnerability to contamination in given areas.
Źródło:
Geological Quarterly; 2019, 63, 1; 126--138
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of groundwater vulnerability mapping methods for sustainable water resource management: An overview
Autorzy:
Moges, Simeneh Shiferaw
Dinka, Megersa Olumana
Powiązania:
https://bibliotekanauki.pl/articles/2073742.pdf
Data publikacji:
2022
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
aquifer vulnerability
groundwater
intrinsic vulnerability
specific vulnerability
vulnerability assessment method
Opis:
Groundwater is a vital resource for domestic, agricultural, and industrial activities, as well as for ecosystem services. Despite this, the resource is under significant threat, due to increasing contamination from anthropogenic activities. Therefore, to ensure its reliability for present and future use, effective management of groundwater is important not only in terms of quantity (i.e. abstraction) but also quality. This can be achieved by identifying areas that are more vulnerable to contamination and by implementing protective measures. To identify the risk and delineate areas that are more exposed to pollution, various groundwater vulnerability assessment techniques have been developed across the globe. This paper presents an overview of some of the commonly used groundwater vulnerability assessment models in terms of their unique features and their application. Special emphasis is placed on statistical methods and overlay-index techniques. The assessment of the literature shows that statistical methods are limited in application to the assessment of groundwater vulnerability to pollution because they rely heavily on the availability of sufficient and quality data. However, in areas where extensive monitoring data are available, these methods estimate groundwater vulnerability more realistically in quantitative terms. Many works of research indicate that index-overlay methods are used extensively and frequently in groundwater vulnerability assessments. Due to the qualitative nature of these models, however, they are still subject to modification. This study offers an overview of a selection of relevant groundwater vulnerability assessment techniques under a specific set of hydro-climatic and hydrogeological conditions.
Źródło:
Journal of Water and Land Development; 2022, 52; 186--198
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of groundwater vulnerability to pollution in an Arid environment
Autorzy:
Slimani, Rabia
Charikh, Messaouda
Aljaradin, Mohammad
Powiązania:
https://bibliotekanauki.pl/articles/27311555.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Groundwater
Vulnerability
pollution
Risks
GIS
Algerian Sahara
wody gruntowe
podatność na skażenie
zanieczyszczenie
ryzyko
Sahara Algierska
Opis:
This study focuses on mapping the groundwater’s vulnerability to pollution in the region of Ouargla, located in the North-East of the northern Sahara, exposed to potential risks of alteration. By applying the methods (GOD, DRASTIC, and SINTACS), coupled with a Geographic Information System (GIS), we were able to identify a medium to high vulnerability trend. In light of the results recorded, the DRASTIC and SINTACS methods prove to be more suitable for our study region. This makes it possible to highlight the recharge zones and land use as being the most vulnerable in the territory studied. The GOD method presents a strong vulnerability trend over 77.02% of the study area. Such a result is directly related to the depth of the water table. It can therefore be argued that this method is far from being representative of the reality on the ground because of these very heterogeneous characteristics.
Źródło:
Archives of Environmental Protection; 2023, 49, 2; 50--58
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of groundwater vulnerability using the DRASTIC model: A case study of Quaternary catchment A21C, Limpopo River Basin, South Africa
Autorzy:
Moges, Simeneh S.
Dinka, Megersa O.
Powiązania:
https://bibliotekanauki.pl/articles/1844324.pdf
Data publikacji:
2021
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
A21C Quaternary catchment
DRASTIC model
groundwater vulnerability
sensitivity analysis
South Africa
Opis:
Groundwater is a vital resource for domestic, agricultural, industrial activities and ecosystem services. Despite its multiple purposes, the resource is under significant threat owing to increasing contamination from anthropogenic activities and climate change. Hence, in order to ensure the reliability and sustainable use of groundwater for the present and future generations, effective management of groundwater (quality and quantity) is highly important. This can be achieved by identifying areas more vulnerable to contamination and implementing protective measures. The present study aims at assessing the vulnerability of groundwater using GIS-based DRASTIC index in the Quaternary catchment (A21C) within Limpopo River Basin. The vulnerability index varied from 87 to 207. About 53.6% (408 km2) of the catchment area also exhibited high risk of groundwater contamination mostly in central, north-eastern and western part of the sub-catchment. The medium and low vulnerability classes cover only 18.1% (137.5 km2) and 21.7% (165.1 km2) of the study area, respectively. The shallow groundwater at the Doornfontein Campus belongs to very high vulnerability area. The sensitivity analysis indicates that depth to water level, recharge, aquifer media, soil and topography are the important contributors to vulnerability assessment. The correlation analysis performed to validate the final vulnerability map shows a moderate positive correlation, indicating the model’s applicability to the urbanised environment. The study indicates an area that is highly vulnerable to pollution, and hence protective measures are necessary for sustainable management of the groundwater resource in the study area. The result of this study can also be further improved and verified by using other vulnerability assessment models.
Źródło:
Journal of Water and Land Development; 2021, 49; 35-46
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of Pollution Risk Mapping Methods in an Eastern Mediterranean Catchment
Autorzy:
Michalopoulos, D.
Dimitriou, E.
Powiązania:
https://bibliotekanauki.pl/articles/124225.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
vulnerability mapping
pollution risk mapping
groundwater pollution
COP
DRASTIC
Opis:
The protection and preservation of good groundwater quality is of critical importance worldwide, nowadays. Increasing urbanization, economic development and agricultural activities, combined with limited precipitation contribute to the quantitative and qualitative degradation of groundwater resources, especially in the eastern Mediterranean region. For this purpose, a series of actions are implemented including groundwater vulnerability mapping that can depict prone to pollution aquifers which need protection and/or restoration measures. In this study, the efficiency of two well-known methodologies (COP and DRASTIC) for groundwater vulnerability and pollution risk mapping was assessed in the Sperchios river basin. The vulnerability and pollution risk maps of the two methodologies were spatially compared to each other and the observed similarities and differences were discussed and explained. The output of the study shows that in the particular geoenvironmental conditions DRASTIC method performs better than the COP, particularly in the lowland, porous media aquifer.
Źródło:
Journal of Ecological Engineering; 2018, 19, 1; 55-68
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Azotany w wodach podziemnych zlewni górnej Liswarty
Nitrates in groundwater of the upper Liswarta River basin
Autorzy:
Guzik, M.
Powiązania:
https://bibliotekanauki.pl/articles/2063311.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
wody podziemne
azotany
zanieczyszczenie wód
podatność
działalność rolnicza
groundwater
nitrate
contamination
vulnerability
agricultural activites
Opis:
Liswarta jest lewobrzeżnym dopływem Warty. Chemizm wód podziemnych w zlewni górnej Liswarty jest kształtowany w wyniku czynników naturalnych oraz czynników antropogenicznych. W zakresie czynników naturalnych główny wpływ na jakość wód podziemnych ma litologia utworów strefy aeracji i saturacji oraz zróżnicowanie warunków oksydacyjno-redukcyjnych w zasięgu krążenia wód. Pogarszająca się jakość wód podziemnych na omawianym obszarze jest związana z wpływem czynników antropogenicznych - uwalnianiem i migracją azotanów z powierzchniowych ognisk zanieczyszczeń związanych z uprawą i nawożeniem gleb oraz hodowlą zwierząt, a także działalnością socjalno-bytową w obrębie obszarów wiejskich. Ważnym czynnikiem wpływającym na jakość wód są przemiany hydrogeochemiczne w warunkach poboru wód. Oceny chemizmu oraz jakości wód podziemnych poziomu czwartorzędowego w obrębie zlewni górnej Liswarty dokonano na podstawie wyników kilkudziesięciu dostępnych analiz chemicznych. Na ich podstawie stwierdzono, że wody podziemne w obszarze badań należą do wód: wielojonowych, słodkich, o odczynie od lekko kwaśnego do lekko zasadowego (pH mieści się w zakresie 5,35-9,56). Mineralizacja tych wód sięga do 672,35 mg/l, średnio wynosi 295,36 mg/l.W badanych wodach zaznaczają się podwyższone stężenia azotanów, siarczanów i niekiedy chlorków, które są wskaźnikiem antropogenicznych zanieczyszczeń. Stężenia azotanów w wodach podziemnych sięgają 189,00 mg/l, a zawartość siarczanów w omawianych wodach wynosi od 5,47 do 178,00 mg/l. Mozaikowy rozkład stężeń azotanów w wodach podziemnych może świadczyć o lokalnym zanieczyszczeniu pojedynczych ujęć, jak również może być związany z początkiem zmian antropogenicznych. Zróżnicowany rozkład stężeń azotanów w poszczególnych studniach i otworach badawczych, zwłaszcza na terenach wiejskich, należy wiązać z zagospodarowaniem terenu.
The upper Liswarta River basin is situated in the drainage area of the Warta River. The chemical composition of groundwater in the investigated area is the result of natural and anthropogenic factors. Lithology of the aeration and saturation zones and the differentiation of oxidation-reduction conditions along the path of water circulation have the main influence on groundwater quality. The worsening quality of groundwater in the area of the upper Liswarta River basin is due to the influence of anthropogenic factors including the leaching migration of nitrates from surface contamination spots as a result of soil cultivation and fertilisation, animal farming and social-living activities within rural areas. An important factor influencing the water quality is hydrogeochemical changes in water consumption conditions. The assessments of groundwater chemistry and quality of the Quaternary aquifer within the upper Liswarta River basin were determined from the results of 74 chemical analyses. The study results indicate that groundwater in the area is represented by multi-ion fresh waters, slightly acid to slightly basic (pH values range from 5.35 to 9.56). The TDS of these waters reaches up to 672.35 mg/l, with average of 295.36 mg/1. The tested waters show the presence of increased concentrations of nitrates, sulfates, and sometimes chlorides, which are the indicators of anthropogenic contaminations. Nitrate concentrations in the groundwaters are up to 189.00 mg/1, and the content of sulfates ranges from 5.47 to 178.00 mg/l. The mosaic concentration distribution of nitrates in groundwater can suggest local contamination of single water intakes. The differentiated distribution of the nitrates concentration in some wells and observation boreholes, especially in rural area, is probably related the type of land use and land development.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2008, 432; 55-69
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka głównych geotypów obszarowych ocen podatności wód podziemnych na zanieczyszczenia
The characteristics of main area geotypes for the evaluation of groundwater vulnerability to pollution
Autorzy:
Bukowski, Przemysław
Krogulec, Ewa
Haładus, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2076055.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
podatność wód podziemnych
zanieczyszczenia
hydrogeologia
górnictwo podziemne
dokumentowanie hydrogeologiczne
groundwater vulnerability
pollution
hydrogeology
underground mining
hydrogeological documenting
Opis:
The article presents a proposal of the classification of hydrogeological and environmental conditions in relation to different intensities of the impact of factors affecting groundwater threat in assessments of groundwater vulnerability to pollution. Due to the complexity and high degree of transformation of the natural environment, including aquatic, types of areas subjected to ordinary and strong anthropopressure, the so-called Area Geotypes (GO), are distinguished and discussed. The main factors characterizing the impact of mining activity on the water environment (typical and specific) are discussed, and the mine ’s characteristics are highlighted, emphasizing its role and importance as an influator constituting a large, multifactorial source threatening the groundwater environment. The role of the mine as an influator is presented against the background of the mine ’s "life cycle”(development phases) along with an indication of the desirability of carrying out assessments of groundwater vulnerability to pollution and groundwater threat assessments. The need to develop legal regulations regarding the preparation of vulnerability assessments is indicated.
Źródło:
Przegląd Geologiczny; 2020, 68, 4; 226--232
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Czynniki kształtujące zasoby i chemizm wód podziemnych w rejonie aglomeracji gdańskiej
Factors affecting resources and chemistry of groundwater in the Gdańsk agglomeration area
Autorzy:
Lidzbarski, M.
Sokołowski, K.
Warumzer, R.
Powiązania:
https://bibliotekanauki.pl/articles/2075480.pdf
Data publikacji:
2016
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
chemizm wód podziemnych
wody podziemne aglomeracji Gdańskiej
podatność wód podziemnych
chemistry and groundwater resources
groundwater in the Gdańsk agglomeration
groundwater vulnerability
Opis:
The purpose of this article is to identify the main factors influencing groundwater resources and chemistry in the area of the Gdańsk agglomeration. Two groups of factors were identified: natural – including physico-geographical location, geological structure and hydrogeological conditions and also anthropogenic impact. The studied area is located within a few morphological units: Kashubian Lakeland, Coastal Terrace and Żuławy Gdańskie (Gdańsk Delta Plain). Each of the above unit is characterized by diverse geological structure and lithology of sediments, which in turn affects the diversity of hydrogeological conditions of multiaquifer formations from Pleistocene to the Upper Cretaceous. Groundwater circulation system includes so-called Gdańsk aquifer system. The main recharge area of covers the Kashubian Lakeland. The discharge zone ncludes Coastal Terrace and Żuławy Gdańskie. The aquifers are confined to varying degree which has a direct impact on the rate of contaminants migration. Anthropogenic pollutions are induced by: industry, transport, development and intensive exploitation of groundwater resources. The geogenic risks that affect aquifers in of the Gdańsk agglomeration are: salt water intrusion, brines ascent and fluoride hydrogeochemical anomaly in water from the Upper Cretaceous aquifer in Żulawy Gdańskie.
Źródło:
Przegląd Geologiczny; 2016, 64, 6; 389--398
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Groundwater vulnerability based on four different assessment methods and their quantitative comparison in a typical North European Lowland river catchment (the Pliszka River catchment, western Poland)
Autorzy:
Hermanowski, P.
Ignaszak, T.
Powiązania:
https://bibliotekanauki.pl/articles/2060348.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
vulnerability mapping
groundwater protection
Pliszka River
Polska
Opis:
The assessment of groundwater vulnerability is a crucial part of planning and water management because it can identify areas where aquifers are more susceptible to contamination. Depending on the vulnerability assessment method, the results can differ significantly. Consequently, different methods can provide ambiguous information that could further influence decision-making processes in planning or water management. For the Pliszka River catchment, the intrinsic groundwater vulnerability of the uppermost aquifer was estimated using four different methods: DRASTIC, GOD, and two methods that are based on empirical formulas of water residence time in an unsaturated zone. The input data include a series of thematic maps supplemented by 1,322 shallow borehole profiles and laboratory tests of samples collected in the course of fieldwork. The collected data were processed in GIS software, and the results of each method were mapped in high resolution. The resulting maps of groundwater vulnerability were then quantitatively compared to validate their applicability for the assessment of groundwater vulnerability in a typical North European Lowland river catchment. The maps generated by the DRASTIC and GOD methods are dominated by areas with moderately high (54.6 and 48.4%, respectively) and moderate groundwater vulnerability (32.7 and 32.3%, respectively). No areas of high groundwater vulnerability are present. One of the water residence time methods provides results similar to the previous methods at the catchment scale, and one method yields high groundwater vulnerability values for the majority of area.
Źródło:
Geological Quarterly; 2017, 61, 1; 166--176
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Groundwater vulnerability in the light of information layers of the hydrogeological map of Poland, scale 1:50,000
Autorzy:
Herbich, P
Przytuła, E.
Woźnicka, M.
Powiązania:
https://bibliotekanauki.pl/articles/1182787.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
pierwszy poziom wodonośny
główny użytkowy poziom wodonośny
podatność
stopy
mapa hydrogeologiczna Polski
first aquifer
groundwater degradation risk
Hydrogeological Map of Poland
usable aquifer
vulnerability
Opis:
Określenie naturalnych możliwości ochronnych wód podziemnych jest jednym z ważniejszych zadań jakie podejmowane są obecnie w związku z wdrażaniem w Polsce ustaleń wynikających z Ramowej Dyrektywy Wodnej. Dotyczy to zarówno płytkich systemów krążenia wód podziemnych, jak i głównych użytkowych poziomów wodonośnych. W niniejszym opracowaniu przedstawiono warstwy informacyjne Mapy hydrogeologicznej Polski w skali 1:50 000, które określają wrażliwość na zanieczyszczenie pierwszego poziomu wodonośnego oraz stopień zagrożenia głównego użytkowego poziomu wodonośnego.
Źródło:
Polish Geological Institute Special Papers; 2008, 24; 69-74
1507-9791
Pojawia się w:
Polish Geological Institute Special Papers
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Groundwater vulnerability to pollution in degraded coal mining areas: modifying the DRASTIC method using the factor of exploitation impact on land surface
Autorzy:
Krogulec, Ewa
Bukowski, Przemysław
Niedbalska, Katarzyna
Trzeciak, Joanna
Zabłocki, Sebastian
Powiązania:
https://bibliotekanauki.pl/articles/27310140.pdf
Data publikacji:
2023
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
groundwater vulnerability to pollution
mining area
coal activities
mining exploitation phases
Upper Silesia Coal Basin
Polska
Opis:
Mining activities such as underground exploitation of hard coal deposits and open cast mining are strong factors on groundwater depending on mine life cycle phases. The impact of coal mining activities on groundwater have been reported from many countries. In this case, a vulnerability assessment was conducted base on standard DRASTIC method and its modification DRASTIC MINE (DRASTICM) method. In order to take into account, the impact of mining activities, a new parameter was added which defined the impact of coal seams on the rock mass above, including the degree of its drainage and the range of its impact. In the standard DRASTIC method, the results indicate that groundwater vulnerability with high (38.6%) and very high occurrence classes (16.9% of the area), mostly covers the central part of the cast mine. In contrast, the reclaimed area of the excavation is a low-class area. The DRASTICM method increased the vulnerability index from 3 to 24 on 95% of the area, so a new vulnerability class of extremely high was delineated, which occurred in 1.6% of the area. This indicates areas that should be treated as a priority in order to avoid pollution, and in the final stage to plan activities in the field of the reclamation of mining areas. The results showed that groundwater vulnerability assessment in coal mining areas can be significantly improved.
Źródło:
Geology, Geophysics and Environment; 2023, 49, 4; 313--334
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High-resolution mapping to assess risk of groundwater pollution by nitrates from agricultural activities in Wielkopolska Province, Poland
Wysokorozdzielcza ocena ryzyka zanieczyszczenia wód podziemnych azotanami pochodzącymi z działalności rolniczej na obszarze Wielkopolski
Autorzy:
Zabłocki, Sebastian
Murat-Błażejewska, Sadżide
Trzeciak, Joanna Alicja
Błażejewski, Ryszard
Powiązania:
https://bibliotekanauki.pl/articles/2173789.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
shallow groundwater
nitrates
DRASTIC based methods
Wielkopolska (Greater Poland)
vulnerability/pollution risk
płytkie wody gruntowe
azotany
metody DRASTIC
Wielkopolska
podatność/ryzyko zanieczyszczenia
Opis:
The purpose of this research was to determine the groundwater intrinsic vulnerability to pollution of shallow groundwater in Wielkopolska Province, Poland and to assess the risk of pollution by nitrates. Wielkopolska is known as an area where the problem of water pollution by nitrates has existed for a long time due to intensive agriculture. DRASTIC method and its optimized version as well as four other risk evaluation methods were selected to assess the risk pollution with nitrates. The results of either method did not correlate with nitrate concentrations recorded in the total of 1679 groundwater monitoring points. Therefore a new method of groundwater pollution risk assessment (NV-L) was proposed. The new method is based on optimized results of the DRASTIC system and the L parameter which considers not only land use types, but also the amount of nitrogen loading leached from soil as a result of fertilizer consumption, and from wet deposition. The final results of NV-L method showed that the largest part of the study area is covered by a very low class of pollution risk (30.6%). The high and very high classes occupy 11.6% of the area, mostly in the areas designated until 2012 as the Nitrate Vulnerable Zones. Validation of the results of all methods showed that the other methods than NV-L cannot be used as a basis for reliable assessment of the risk of groundwater pollution by nitrates, as they do not take into account the nitrogen load leached from the soil profile.
Celem badań było określenie podatności wód podziemnych na zanieczyszczenie płytkich wód podziemnych w województwie wielkopolskim oraz ocena ryzyka zanieczyszczenia azotanami. Województwo wielkopolskie uważane jest za obszar, na którym od dawna znany jest problem zanieczyszczenia wód azotanami z powodu intensywnego rolnictwa. Do obliczenia indeksu podatności naturalnej wybrano metodę DRASTIC i jej zoptymalizowaną wersję, natomiast do oceny ryzyka zanieczyszczenia azotanami cztery metody będące modyfikacjami metody DRASTIC. Wynik żadnej z nich nie był skorelowany ze stężeniami azotanów odnotowanymi w 1679 punktach monitoringu wód podziemnych, dlatego zaproponowano nową metodę oceny zagrożenia wód podziemnych NV-L. Metoda opiera się na zoptymalizowanych wynikach systemu DRASTIC i parametrze L, który uwzględnia nie tylko typ użytkowania gruntów, ale także wielkość ładunku azotu, pochodzącego z wymywania z gleby nawozów mineralnych i organicznych oraz z mokrej depozycji w opadach. Wyniki metody NV-L wykazały, że największy obszar objęty jest bardzo niską klasą zagrożenia zanieczyszczeniami (30,6%). Klasa wysoka i bardzo wysoka zajmują 11,6% powierzchni, głównie na obszarach wyznaczanych do 2012 roku jako obszary szczególnie narażone na wymywanie azotu do wód powierzchniowych. Wyniki wskazują, że w procedurach zastosowanych metod oceny podatności brakowało pewnych ważnych informacji. Dlatego ich wyniki należy traktować jako szacunkowe i nie mogą one być wykorzystywane w dalszych analizach jako użyteczne narzędzie ochrony wód podziemnych. Uwzględnienie innych, nowych elementów do oceny podatności wód podziemnych lub ryzyka zanieczyszczenia, może okazać się kluczowym czynnikiem, jak miało to miejsce w przypadku metody NV-L i wykorzystania danych dotyczących ładunku azotu wymywanego z profilu glebowego.
Źródło:
Archives of Environmental Protection; 2022, 48, 1; 41--57
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hydrogeochemical Characterization and Vulnerability Assessment of Shallow Groundwater in Basement Complex Area, Southwest Nigeria
Autorzy:
Adewumi, A. J.
Anifowose, A. Y. B.
Olabode, F. O.
Laniyan, T. A.
Powiązania:
https://bibliotekanauki.pl/articles/100830.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Śląski. Wydział Nauk o Ziemi
Tematy:
DRASTIC
groundwater
hydrogeochemical
Owo
vulnerability
WQI
wody podziemne
zanieczyszczenie
podatność
hydrogeochemia
Opis:
Thirty-five (35) groundwater samples from Owo area were analyzed for physicochemical parameters. Results show that the mean value of pH is 6.32, TDS is 208.92 mg/l, temperature is 28.77oC, EC is 545.16 μs/cm; TH is 111.09 mg/l, SO4 is 71.73 mg/l, Cl is 0.07 mg/l, HCO3 is 14.09 mg/l, Na is 25.06 mg/l, Ca is 37.07 mg/l, K is 24.36 mg/l and Mg is 4.41 mg/l. The results were compared to the WHO and NDSQW standards. All parameters were within the permissible limit except EC in well OW6 and K is above the stipulated standards in 69% of the total samples. The high concentration of K is linked to the use of NPK fertilizer in the area for agricultural purposes. The groundwater belongs to Ca-Na-K-SO4 and Na-Ca-SO4 water type respectively. The ionic concentration in the groundwater is due to the dissolution of the rock that makes up the aquifer. Plagioclase and silicate-bearing rocks are the sources of major ions in the water. SAR, PI, RSBC and KR reveals that groundwater in the area is good for irrigation purpose. DRASTIC model further revealed that groundwater in the area is less vulnerable to contamination under the current environmental conditions.
Źródło:
Contemporary Trends in Geoscience; 2018, 7, 1; 72-103
2299-8179
Pojawia się w:
Contemporary Trends in Geoscience
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Możliwości wykorzystania bazy danych PPW-WJ i PPW-WH w geologii inżynierskiej
Possibility of the application database information FA-VQ and FA-EH for purposes engineering geology
Autorzy:
Chada, M.
Majer, K.
Roguski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2074269.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
engineering geology
first aquifer
groundwater vulnerability
groundwater quality
groundwater hydrodynamic
geologia inżynierska
pierwsza warstwa wodonośna
podatność wód gruntowych
jakość wód gruntowych
hydrodynamiczne wody gruntowe
Opis:
GISHMP1:50 000 information layers of “first aquifer – vulnerability and quality" (FA-VQ) and "first aquifer – extent and hydrodynamics” (FA-EH) include selected elements of the first aquifer hydrogeological description. Scope of these databases may serve in geological research. These include engineering geology, for which target research area is determining soil hydrogeological conditions for infrastructure bedding purposes, spatial planning or remediation of contaminated areas.
Źródło:
Przegląd Geologiczny; 2014, 62, 10/2; 560--562
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
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