Change search
Link to record
Permanent link

Direct link
BETA
Siergieiev, Dmytro
Publications (10 of 20) Show all publications
Siergieiev, D., Ehlert, L., Reimann, T., Lundberg, A. & Liedl, R. (2015). Modelling hyporheic processes for regulated rivers under transient hydrological and hydrogeological conditions (ed.). Paper presented at . Hydrology and Earth System Sciences, 19(1), 329-340
Open this publication in new window or tab >>Modelling hyporheic processes for regulated rivers under transient hydrological and hydrogeological conditions
Show others...
2015 (English)In: Hydrology and Earth System Sciences, ISSN 1027-5606, E-ISSN 1607-7938, Vol. 19, no 1, p. 329-340Article in journal (Refereed) Published
Abstract [en]

Understanding the effects of major hydrogeological controls on hyporheic exchange and bank storage is essential for river water management, groundwater abstraction, restoration and ecosystem sustainability. Analytical models cannot adequately represent complex settings with, for example, transient boundary conditions, varying geometry of surface water-groundwater interface, unsaturated and overland flow, etc. To understand the influence of parameters such as (1) sloping river banks, (2) varying hydraulic conductivity of the riverbed and (3) different river discharge wave scenarios on hyporheic exchange characteristics such as (a) bank storage, (b) return flows and (c) residence time, a 2-D hydrogeological conceptual model and, subsequently, an adequate numerical model were developed. The numerical model was calibrated against observations in the aquifer adjacent to the hydropower-regulated Lule River, northern Sweden, which has predominantly diurnal discharge fluctuations during summer and long-lasting discharge peaks during autumn and winter. Modelling results revealed that bank storage increased with river wave amplitude, wave duration and smaller slope of the river bank, while maximum exchange flux decreased with wave duration. When a homogeneous clogging layer covered the entire river-aquifer interface, hydraulic conductivity positively affected bank storage. The presence of a clogging layer with hydraulic conductivity < 0.001 m dg'1 significantly reduced the exchange flows and virtually eliminated bank storage. The bank storage return/fill time ratio was positively related to wave amplitude and the hydraulic conductivity of the interface and negatively to wave duration and bank slope. Discharge oscillations with short duration and small amplitude decreased bank storage and, therefore, the hyporheic exchange, which has implications for solute fluxes, redox conditions and the potential of riverbeds as fish-spawning locations. Based on these results, river regulation strategies can be improved by considering the effect of certain wave event configurations on hyporheic exchange to ensure harmonious hydrogeochemical functioning of the river-aquifer interfaces and related ecosystems.

National Category
Geochemistry
Research subject
Applied Geology
Identifiers
urn:nbn:se:ltu:diva-14095 (URN)10.5194/hess-19-329-2015 (DOI)000348929800018 ()2-s2.0-84921326772 (Scopus ID)d69573d9-8fb1-4ad0-b5fa-04f4e978203b (Local ID)d69573d9-8fb1-4ad0-b5fa-04f4e978203b (Archive number)d69573d9-8fb1-4ad0-b5fa-04f4e978203b (OAI)
Note
Validerad; 2015; Nivå 2; 20150203 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Bertrand, G., Siergieiev, D., Ala-Aho, P. & Rossi, P. (2014). Environmental tracers and indicators bringing together groundwater, surface water and groundwater-dependent ecosystems: importance of scale in choosing relevant tools (ed.). Paper presented at . Environmental Earth Sciences, 72(3), 813-827
Open this publication in new window or tab >>Environmental tracers and indicators bringing together groundwater, surface water and groundwater-dependent ecosystems: importance of scale in choosing relevant tools
2014 (English)In: Environmental Earth Sciences, ISSN 1866-6280, E-ISSN 1866-6299, Vol. 72, no 3, p. 813-827Article in journal (Refereed) Published
Abstract [en]

Groundwater-surface water (GW-SW) interactions cover a broad range of hydrogeological and biological processes and are controlled by natural and anthropogenic factors at various spatio-temporal scales, from watershed to hyporheic/hypolentic zone. Understanding these processes is vital in the protection of groundwater-dependent ecosystems (GDEs) increasingly required in water resources legislation across the world. The use of environmental tracers and indicators that are relevant simultaneously for groundwater, surface water and biocenoses-biotope interactions constitutes a powerful tool to succeed in the management task. However, tracer type must be chosen according to the scale of interest and tracer use thus requires a good conceptual understanding of the processes to be evaluated. This paper reviews various GW-SW interaction processes and their drivers and, based on available knowledge, systemises application of conservative tracers and semi-conservative and reactive environmental indicators at different spatial scales. Biocenoses-biotopes relationships are viewed as a possible transition tool between scales. Relation between principal application of the environmental tracers and indicators, examples and guidelines are further proposed for examining GW-SW interactions from a hydrogeological and biological point of view by demonstrating the usability of the tracers/indicators and providing recommendations for the scientific community and decision makers.

National Category
Geochemistry
Research subject
Applied Geology
Identifiers
urn:nbn:se:ltu:diva-3791 (URN)10.1007/s12665-013-3005-8 (DOI)000339376300016 ()2-s2.0-84904360232 (Scopus ID)19fda01b-866b-4cc5-8312-d326a80419fe (Local ID)19fda01b-866b-4cc5-8312-d326a80419fe (Archive number)19fda01b-866b-4cc5-8312-d326a80419fe (OAI)
Projects
Groundwater and Dependent Ecosystems: New Scientific and Technological Basis for Assessing Climate Change and Land-use Impacts on Groundwater
Note
Validerad; 2014; 20131031 (dmysie)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Siergieiev, D., Widerlund, A., Ingri, J., Lundberg, A. & Öhlander, B. (2014). Flow regulation effects on the hydrogeochemistry of the hyporheic zone in boreal rivers (ed.). Paper presented at . Science of the Total Environment, 499, 424-436
Open this publication in new window or tab >>Flow regulation effects on the hydrogeochemistry of the hyporheic zone in boreal rivers
Show others...
2014 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 499, p. 424-436Article in journal (Refereed) Published
Abstract [en]

River-aquifer interfaces are essential for ecosystem functioning in terms of nutrient exchange and biological habitat, but are greatly threatened world-wide. This study examined geochemical aspects of river-aquifer interaction in one regulated and one unregulated boreal river in Northern Sweden to determine whether the geochemical functioning of the hyporheic zone is affected by hydrological alterations, e.g. regulated river discharge and river-aquifer connectivity. In the unregulated Kalix River, the hyporheic pore water was well-oxygenated with orthogonal fluxes (≈0.6-0.7 m d-1) and acted as a sink for Fe, Mn, Al, NH4, and Ca, with fractional losses of 95%, 92%, 45%, 31%, and 15%, respectively. A corresponding elevation in the concentrations of these elements in the hyporheic sediment was observed, with higher saturation indices of Fe-, Mn-, and Al-bearing secondary minerals in hyporheic waters. In the regulated Lule River, hydraulic connectivity at the river-aquifer interface was altered by the presence of a clogging layer (0.04 m d–1). In addition, the river discharge oscillated daily, severely reducing exchange flows across the riverbed (<0.01 m d-1). As a result, the hyporheic pore water was suboxic, with elevated concentrations of filtered Fe and Mn (fractional increase of ≈3700% and ≈2500%, respectively) and other solutes (NH4, Si, S, Ca). A conceptual model revealed functional differences between geochemical features of the hyporheic zone of regulated and unregulated rivers. Overall, the results showed that hyporheic processes are altered along regulated rivers, with resulting impacts on the geochemistry of riverine, riparian and related marine ecosystems.

National Category
Geochemistry
Research subject
Applied Geology
Identifiers
urn:nbn:se:ltu:diva-11343 (URN)10.1016/j.scitotenv.2014.06.112 (DOI)000343613200045 ()25022722 (PubMedID)2-s2.0-84921724312 (Scopus ID)a4aafd39-c324-465e-9b6d-7e25ce8a3dfc (Local ID)a4aafd39-c324-465e-9b6d-7e25ce8a3dfc (Archive number)a4aafd39-c324-465e-9b6d-7e25ce8a3dfc (OAI)
Note
Validerad; 2014; 20140701 (dmysie)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Siergieiev, D. (2014). Hydrogeochemical effects of hydropower regulation on river-aquifer continuum in boreal rivers (ed.). (Doctoral dissertation). Paper presented at . Luleå: Luleå tekniska universitet
Open this publication in new window or tab >>Hydrogeochemical effects of hydropower regulation on river-aquifer continuum in boreal rivers
2014 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Hydropower infrastructure affects many large rivers worldwide, threatening riverine and coastal ecosystems by fragmenting flow, disturbing landscapes and water retention and altering sedimentation and primary production. This thesis investigated major impacts of hydropower regulation on hydrological and geochemical processes in large boreal rivers. Geochemical river transport, sediment composition and hydrogeochemical functioning of the river-aquifer interface were studied in the regulated Lule River and the unregulated, otherwise similar, Kalix River in Northern Sweden.Regulation halved mean maximum runoff and tripled minimum runoff and winter transport of total organic carbon (TOC), Fe, Si, suspended Mn and P compared with the unregulated river. Summer suspended C/N ratio was 10-20 and <10 in the regulated and unregulated river, respectively, indicating organic matter decay during long residence times in Lule River reservoirs. Suspended P/Fe ratio varied little annually in the regulated river, indicating low abundance of phytoplankton. Sediment cores from the headwater reservoir revealed simultaneous Fe and P sequestration under a Mn-oxyhydroxide layer on the sediment surface. Reservoirs also enhanced diatom production and sedimentation of non-detrital Si, decreasing Si transport to the sea. Retention of total Fe, Si and P was 15%, 7% and 25% of the total river transport, respectively.The river-aquifer interface (hyporheic zone) functioned differently in the two rivers. Daily oscillating discharge in the regulated river and reduced spring peaks caused riverbed colmation, impairing river-aquifer exchange and forming stagnant subsurface areas. The hyporheic zone functioned as a source/sink of Fe, Mn, dissolved OC and NH4 in the regulated/unregulated river. Regulation also altered temporal hydraulic gradients dynamics between river and aquifer favouring solute pulses and presumably causing irregular TOC patterns at the river mouth.Hydrological modelling of river-aquifer interactions indicated that short-term regulation diminished orthogonal fluxes. Prolonged river flow peaks increased bank storage, favouring a release of nutrients and major/trace elements into the river during return flows. Colmation restricted water movement across the river-aquifer interface, increasing residence time and favouring suboxic conditions. Gently sloping river banks (former floodplains) of the regulated river facilitated river water entry to subsurface layers, potentially increasing solute export.Overall, modified river discharge altered river-aquifer spatial and temporal connectivity and interface biogeochemistry. Longitudinal connectivity was disrupted by long-term regulation, while lateral and vertical connectivity and hyporheic exchange were reduced by oscillating river water levels and clogging. These novel findings on post-regulation riverine hydrological pathways and geochemical fluxes can help sustain riverine ecosystems.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2014
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
Keywords
Geochemistry, hyporheic zone, hydrology, riparian zone, Element transport, Lule River, Kalix RIver, Northern Sweden, Earth sciences - Atmosphere and hydrosphere sciences, Geovetenskap - Atmosfärs- och hydrosfärsvetenskap
National Category
Geochemistry
Research subject
Applied Geology
Identifiers
urn:nbn:se:ltu:diva-17262 (URN)27034346-27c0-45ca-ba5c-73e6e3bb6263 (Local ID)978-91-7439-982-0 (ISBN)978-91-7439-983-7 (ISBN)27034346-27c0-45ca-ba5c-73e6e3bb6263 (Archive number)27034346-27c0-45ca-ba5c-73e6e3bb6263 (OAI)
Projects
Groundwater and Dependent Ecosystems: New Scientific and Technological Basis for Assessing Climate Change and Land-use Impacts on Groundwater
Note
Godkänd; 2014; 20140506 (dmysie); Dissertation defence 2014-09-12 Name: Dmytro Siergieiev Subject: Applied Geology Thesis: Hydrogeochemical effects of hydropower regulation on river-aquifer continuum in boreal rivers Examinator: Ass. Professor Angela Lundberg, Institutionen för samhällsbyggnad och naturresurser, Luleå tekniska universitet Opponent: Professor Hjalmar Laudon, Inst. för skogens ekologi och skötsel, Umeå Time: Fredag 12 September 2014 10.00 Place: E632, Luleå Unviversity of TechnologyAvailable from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
Siergieiev, D., Lundberg, A. & Widerlund, A. (2014). Hyporheic water exchange in a large hydropower regulated boreal river: directions and rates (ed.). Paper presented at . Hydrology Research, 45(3), 334-348
Open this publication in new window or tab >>Hyporheic water exchange in a large hydropower regulated boreal river: directions and rates
2014 (English)In: Hydrology Research, ISSN 1998-9563, Vol. 45, no 3, p. 334-348Article in journal (Refereed) Published
Abstract [en]

Widespread river regulation is known to modify river-aquifer interactions, influencing entire watersheds, but knowledge of the hyporheic flowpath along regulated rivers is limited. This study measured the hydraulic conductivity of the river bed and the aquifer, water levels and seepage fluxes in the heavily regulated Lule River in Northern Sweden, with the aim of characterising water exchange across the river-aquifer interface. While pristine rivers in the area are gaining, the Lule River was recharging the aquifer during 10% of the time. Daily river level fluctuations (typically ±0.25 m) directed ~3% of the total orthogonal flux across the river bed towards the aquifer, while during ~2% of the time the orthogonal fluxes were negligible (≤10–4 m d–1). A clogging layer on the river bed, most likely formed due to the modified river discharge, restricted river-aquifer exchange. The hyporheic zone had higher electrical conductivity than the river and the aquifer and electrical conductivity occasionally decreased following rising river water levels, with 3–5 hours delay. Overall, hydropower regulation has severely altered the hydrological regime of the hyporheic zone in the Lule River.

National Category
Geochemistry
Research subject
Applied Geology
Identifiers
urn:nbn:se:ltu:diva-13258 (URN)10.2166/nh.2013.011 (DOI)000338913600004 ()2-s2.0-84906216277 (Scopus ID)c73b5337-89c0-4af3-b7b5-2cb5cc78f1dd (Local ID)c73b5337-89c0-4af3-b7b5-2cb5cc78f1dd (Archive number)c73b5337-89c0-4af3-b7b5-2cb5cc78f1dd (OAI)
Note
Validerad; 2014; 20130706 (dmysie)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Siergieiev, D., Widerlund, A., Lundberg, A., Drugge, L., Collomp, M., Ingri, J. & Öhlander, B. (2014). Impact of Hydropower Regulation on River Water Composition in Northern Sweden (ed.). Paper presented at . Aquatic geochemistry, 20(1), 59-80
Open this publication in new window or tab >>Impact of Hydropower Regulation on River Water Composition in Northern Sweden
Show others...
2014 (English)In: Aquatic geochemistry, ISSN 1380-6165, E-ISSN 1573-1421, Vol. 20, no 1, p. 59-80Article in journal (Refereed) Published
Abstract [en]

Using hydrogeochemical analysis of two large boreal rivers (pristine Kalix and hydropower regulated Lule) discharging into the Gulf of Bothnia, the major impacts of regulation on water discharge, element transport, and their seasonal redistribution have been assessed. The pre-regulation hydrogeochemical features were assumed to be similar for the two rivers. For the Lule River, the average maximum runoff was almost halved, while the average minimum was tripled as a result of the regulation. The fraction of winter transport of total organic carbon (TOC), Fe, Si, suspended Mn and P in the Lule River was, according to a conservative estimate, two to three times higher than in the pristine river. Longer residence time in the Lule River delayed arrival of the suspended Mn peak and dissolved Si decline to the river mouth. During summer, the suspended C/N ratio in the regulated river was 10-20 compared to <10 for the pristine, suggesting presence of predominantly old organic material. This was supported by a virtually constant suspended P/Fe ratio throughout the year in the Lule River, indicating low abundance of phytoplankton. TOC varied irregularly in the Lule River suggesting temporal disconnection between the river and the upper riparian zone. The disappearance of the spring flow maximum, a shift of element transport from spring to winter, and supply of mainly old organic material during the vegetation growth season may have a pronounced impact on the ecosystem of the Gulf of Bothnia and the river itself.

National Category
Geochemistry
Research subject
Applied Geology
Identifiers
urn:nbn:se:ltu:diva-6401 (URN)10.1007/s10498-013-9215-6 (DOI)000330974700004 ()2-s2.0-84893752154 (Scopus ID)4a0ccc97-fce7-45d3-b568-98f31d8af904 (Local ID)4a0ccc97-fce7-45d3-b568-98f31d8af904 (Archive number)4a0ccc97-fce7-45d3-b568-98f31d8af904 (OAI)
Projects
Groundwater and Dependent Ecosystems: New Scientific and Technological Basis for Assessing Climate Change and Land-use Impacts on Groundwater
Note
Validerad; 2014; 20131031 (dmysie)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved
Al-Ani, T., Al-Ansari, N., Dawood, A., Siergieiev, D. & Knutsson, S. (2014). Trace elements in water and sediments of the Tigris river, Baghdad City, Iraq (ed.). Paper presented at . Journal of Environmental Hydrology, 22, 1-17, Article ID 6.
Open this publication in new window or tab >>Trace elements in water and sediments of the Tigris river, Baghdad City, Iraq
Show others...
2014 (English)In: Journal of Environmental Hydrology, ISSN 1058-3912, E-ISSN 1996-7918, Vol. 22, p. 1-17, article id 6Article in journal (Refereed) Published
Abstract [en]

Industrial, agricultural and rural activities may result in pollution of watercourses with elevated trace metal concentrations and implications for water supply and ecosystem functioning. The concentration of the trace metals Fe, Mn, Zn, Co, Pb, Cu, and Cd in the water and clay fractions (<2μm) of the bank sediments of River Tigris in Baghdad city were determined. Dissolved trace metals concentrations were far below the upper permissible limits during 2012-2013. There was no consistent pattern between element concentrations and river discharge. Seasonal interrelations between water and sediments were most obvious for Fe that decreased in both environments with rising flows during autumn. Although independent of discharge, Mn in water and sediments often followed each other at all stations. Zinc, however, increased in the sediments and decreased in the water with discharge. The clay fractions were slightly to strongly enriched in trace metals with the gradient Co > Fe > Zn > Mn > Cu suggesting absorption of the metals on sediment substrate.

National Category
Geotechnical Engineering Geochemistry
Research subject
Soil Mechanics; Applied Geology
Identifiers
urn:nbn:se:ltu:diva-15597 (URN)f2252d2a-e200-48e3-8b35-4832d40cbdb9 (Local ID)f2252d2a-e200-48e3-8b35-4832d40cbdb9 (Archive number)f2252d2a-e200-48e3-8b35-4832d40cbdb9 (OAI)
Note
Validerad; 2015; Nivå 1; 20141218 (nadhir)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
Siergieiev, D. (2013). Aktivitet: Watershed Ecology and Biogeochemistry (ed.). Paper presented at .
Open this publication in new window or tab >>Aktivitet: Watershed Ecology and Biogeochemistry
2013 (English)Other (Other (popular science, discussion, etc.))
National Category
Geochemistry
Identifiers
urn:nbn:se:ltu:diva-36698 (URN)c2c6407a-36fa-46ab-b37f-6883016194a1 (Local ID)c2c6407a-36fa-46ab-b37f-6883016194a1 (Archive number)c2c6407a-36fa-46ab-b37f-6883016194a1 (OAI)
Note
Evenemang (konferens etc): Watershed Ecology and Biogeochemistry : 03/10/2013; Startdatum: 01/01/2013; Slutdatum: 01/01/2013; Roll: Deltagare; Typ: Organiserade av och deltagande i konferenser, workshops, kurser, seminarier - Deltagande i workshop, seminarium, kursAvailable from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Siergieiev, D., Lundberg, A., Widerlund, A. & Öhlander, B. (2013). “Clogging layer” at regulated river beds - implications for river-groundwater exchange (ed.). Paper presented at Grundvattendagarna 2013 : 16/10/2013 - 17/10/2013. Paper presented at Grundvattendagarna 2013 : 16/10/2013 - 17/10/2013.
Open this publication in new window or tab >>“Clogging layer” at regulated river beds - implications for river-groundwater exchange
2013 (English)Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

Within the EU-project GENESIS (2013), aiming to provide scientific basis and technical guidance for the update of the EU Groundwater Directive, Luleå University of Technology is investigating possible effects of hydropower regulation on surface water (SW)- groundwater (GW) exchange. The study compares SW, GW and hyporheic processes for the unregulated Kalix River and the regulated Lule River. Hydropower has long been regarded a fairly green energy source but today negative effects have become obvious (Renöfält et al. 2010).The hyporheic zone (HZ) accommodates most of the SW-GW exchange of solutes just beneath and along a river, dampens heat fluxes, processes pollutants and is essential for ecosystems.The study observes SW and GW (in wells orthogonal to the river) at one site in each river. In these, hydrological (water level, hydraulic conductivity, tracer test) and geochemical (temperature, electrical conductivity, water/soil chemistry) measurements were performed during several seasons.The presence of natural high-flow events in the Kalix River removes fines from the river bed, maintaining good SW-GW connectivity that favours hyporheic exchange (Brunke and Gonser 1997). Altered discharge of the regulated river (reduced flow peaks and velocity, daily discharge fluctuations) facilitated deposition of fine sediments at the river bed forming a “clogging layer” (Blaschke et al. 2003). The bed in the regulated river has two orders of magnitude lower hydraulic conductivity than that at the unregulated site and restricts the SW-GW exchange.Reduced hydraulic connectivity between SW and GW at the regulated Lule River site suggests decreased fluxes across the river-aquifer interface (Siergieiev et al. 2013), and thus reduced size of the HZ which is not always the case in regulated rivers (Sawyer et al. 2009).Decreased hyporheic velocities led to increased residence time and favored prolonged contact between water and soil matrix that stimulated biogeochemical transformations. As a result, the electrical conductivity of hyporheic water of the Lule River was higher than that of the surrounding water.Deteriorated connectivity and extended travel time reduced the dissolved oxygen concentration, which is functionally ecologically essential for hyporheic habitat. In addition, complete consumption of nitrate found at the regulated site, suggests formation of a suboxic zone extending several meters inland which promotes metals release reflected in high dissolved Fe and Mn in the HZ. The conditions of SW-GW exchange control nutrients processing and their export to SW. Thus, the HZ in the Lule River acts as a source of dissolved metals, while in the Kalix River much of the metals are removed by hyporheic processes due to good SW-GW connectivity.SW-GW connectivity plays an important role for hyporheic exchange and hyporheic water quality. Hydropower regulation in the Lule River has altered this connectivity, which may have far reaching implications for biogeochemical processes in the river.

National Category
Geochemistry
Research subject
Applied Geology
Identifiers
urn:nbn:se:ltu:diva-32140 (URN)686be115-bd1a-44be-be42-d1425362f62c (Local ID)686be115-bd1a-44be-be42-d1425362f62c (Archive number)686be115-bd1a-44be-be42-d1425362f62c (OAI)
Conference
Grundvattendagarna 2013 : 16/10/2013 - 17/10/2013
Note
Godkänd; 2013; 20131024 (dmysie)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved
Al-Ansari, N., Aldardor, W., Siergieiev, D. & Knutsson, S. (2013). Effect of treated wastewater irrigation on vegetables (ed.). Journal of Environmental Hydrology, 21, Article ID 5.
Open this publication in new window or tab >>Effect of treated wastewater irrigation on vegetables
2013 (English)In: Journal of Environmental Hydrology, ISSN 1058-3912, E-ISSN 1996-7918, Vol. 21, article id 5Article in journal (Refereed) Published
Abstract [en]

Treated waste water is normally used for irrigation purposes in countries suffering from water shortages to narrow the gap between supply and demand. The concept behind this is to save water consumed for agricultural activities, which consumes most of the water, for municipal and industrial uses. The Alsukhna area in Jordan is used to grow vegetables which are irrigated by treated wastewater. Surface and groundwater samples from the Zarqa region were analyzed for their major cations, anions and heavy metals. The impact of the treated waste water on the chemical components of vegetables was studied using Zn, Mn, Fe, Pb and Ni in sweet and hot pepper, tomato, cauliflower, cabbage, squash, cucumber and eggplant which were compared with similar vegetables irrigated by natural unpolluted water from the Mafraq region. The four metals, namely Zn, Fe, Pb, and Ni, had concentrations higher than in the reference vegetables by 3423%, 155%, 397%, 2949% and 289%, 187%, 211%, 214% fortomato and cauliflower, respectively. Sweet pepper was mainly influenced by an increased content of Fe, which was almost 180% higher than that in sweet pepper from the Mafraq region. Hot pepper had highly elevated concentrations of Ni (6980%) and Zn (419%), while squash demonstrated high Zn (207%) and Pb (666%). When all the heavy metals are considered, the most affected vegetable is the hot pepper with an average percent of heavy metals accumulation of 1559% while the least effected is cabbage at 116%.

National Category
Geotechnical Engineering Geochemistry
Research subject
Soil Mechanics; Applied Geology
Identifiers
urn:nbn:se:ltu:diva-13435 (URN)ca7de7ca-617a-4d3e-b556-9ad373218264 (Local ID)ca7de7ca-617a-4d3e-b556-9ad373218264 (Archive number)ca7de7ca-617a-4d3e-b556-9ad373218264 (OAI)
Note

Validerad; 2013; 20130414 (nadhir)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved
Organisations

Search in DiVA

Show all publications