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Author |
Shahraki, M.R.; Abedi-Sarvestani, A.; Seyedi, M.S.; Rafiaani Khachak, P.; Nieto-Garibay, A.; Van Passel, S.; Azadi, A. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
The perception by pastoralists of the factors influencing the appropriate distribution of livestock in the rangelands of north-east Iran |
Type |
A1 Journal article |
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Year |
2015 |
Publication |
The Rangeland Journal |
Abbreviated Journal |
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Volume |
37 |
Issue |
2 |
Pages |
191-197 |
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Keywords |
A1 Journal article; Economics; Engineering Management (ENM) |
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Abstract |
The distribution of livestock grazing is a key principle of range management. This study examines pastoralists perceptions of the factors that affect the distribution of livestock in the rangelands of the Neqab region of the Kashmar County in north-east Iran. Data were collected from the pastoralists on their perceptions of the managerial, biological and physical factors that influences the distribution of livestock, using both qualitative and quantitative assessments. Results showed that, the perception of the majority of pastoralists was that the distribution of livestock was average or good in the study area. It was perceived that the experience of herders and the size of the rangeland were the main factors influencing the distribution of livestock. Regression analyses showed that it was perceived that managerial factors had a more important role than biological and physical factors in the distribution of livestock and the proper use of the rangelands in north-east Iran. |
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Wos |
000351863200007 |
Publication Date |
2015-02-18 |
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UA library record; WoS full record |
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Notes |
; ; |
Approved |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:129879 |
Serial |
6234 |
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Author |
Lizin, S.; Van Passel, S.; Schreurs, E. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Farmers' perceived cost of land use restrictions : a simulated purchasing decision using discrete choice experiments |
Type |
A1 Journal article |
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Year |
2015 |
Publication |
Land Use Policy |
Abbreviated Journal |
Land Use Policy |
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Volume |
46 |
Issue |
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Pages |
115-124 |
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Keywords |
A1 Journal article; Economics; Engineering Management (ENM) |
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Abstract |
This paper reports on the findings from discrete choice experiments designed to estimate farmers perceived costs of land use restrictions, i.e. crop restrictions, additional fertilizing restrictions, and usage restrictions, as opposed to having no such restrictions. To this end, hypothetical land purchasing decisions were simulated based on the information about productivity, lot size, distance to other land, driving time to home, land use restrictions, and price. Farmers from the Campine area (Belgium) were invited to participate in the survey as the agricultural land in this region still faces the effects of historical heavy metal contamination resulting in crop restrictions. For identical pieces of land, we estimate the perceived cost, calculated as a change in the consumer surplus due to having a land use restriction, to be about 46,000 /ha for the crop restriction, 50,000 /ha for the usage restriction, and 70,000 /ha for the fertilizing restrictions. Assuming this cost to represent a perpetuity, then with a discount rate of 5% the yearly fixed costs respectively equal about 2300 /ha, 2500 /ha, and 3500 /ha. |
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Wos |
000356110500010 |
Publication Date |
2015-03-03 |
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ISSN |
0264-8377 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.089 |
Times cited |
12 |
Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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Notes |
; The authors would like to thank Boerenbond for their help as well as the farmers for their time in responding to the questionnaire. Additionally, Sebastien Lizin thanks the Research Foundation Flanders (FWO) for funding his postdoctoral fellowship, allowing him to revise the manuscript. The authors would also like to thank the anonymous reviewers for helping us to improve the quality of our work. ; |
Approved |
Most recent IF: 3.089; 2015 IF: 2.631 |
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Call Number |
UA @ admin @ c:irua:129877 |
Serial |
6203 |
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Author |
Admasu, W.F.; Boerema, A.; Nyssen, J.; Minale, A.S.; Tsegaye, E.A.; Van Passel, S. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Uncovering ecosystem services of expropriated land : the case of urban expansion in Bahir Dar, Northwest Ethiopia |
Type |
A1 Journal article |
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Year |
2020 |
Publication |
Land |
Abbreviated Journal |
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Volume |
9 |
Issue |
10 |
Pages |
395-20 |
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Keywords |
A1 Journal article; Engineering Management (ENM); Ecosystem Management |
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Abstract |
In Ethiopia, urban expansion happens at high rates and results in land expropriations often at the cost of agriculture and forests. The process of urban expansion does not include assessment of ecosystem services (ES). This has been causing unintended environmental problems. This study aims to uncover ES of three most important land use types (cropland, agroforestry, and grassland) that are threatened by land expropriation for urban expansion in Bahir Dar City. The study applied a participatory approach using community perception and expert judgments (N = 108). Respondents were asked to locate their perceptions on the use of 35 different ES, and then to evaluate the potential of the land use. Respondents were shown to have the ability to differentiate between ES and land use in terms of their potential to deliver ES. The results show that agroforestry is expected to have a high relevant potential to deliver 31% of all ES, but cropland 20% and grassland 14%. Food, fodder, timber, firewood, fresh water, energy, compost, climate regulation, erosion prevention, and water purification and treatment were identified as the ten most important services. It is not only the provisioning services that are being supplied by the land use types which are expropriated for urbanization, but also regulating, supporting and cultural services. To ensure sustainable urban land development, we suggest the consideration of the use of ES and the potential of the land use to supply ES when making land use decisions, including land expropriation for urban expansion. |
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Wos |
000586875900001 |
Publication Date |
2020-10-19 |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:173628 |
Serial |
6948 |
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Author |
Eisma, D.; Kalf, J.; Karmini, M.; Mook, W.G.; Van Put, A.; Bernard, P.; Van Grieken, R. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Dispersal of suspended matter in Makasar Strait and the Flores Basin |
Type |
A1 Journal article |
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Year |
1989 |
Publication |
Netherlands journal of sea research |
Abbreviated Journal |
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Volume |
24 |
Issue |
4 |
Pages |
383-398 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
In November 1984 in Makasar and the Flores Basin water samples were collected (T, S, dissolved O2, total CO2), bottom samples (sediment composition) and suspended matter (particle composition, particle size). A sediment trap was moored in the Flores Basin at 4600 m depth for nearly four months, covering the dry season. In the Flores Basin there are indications for bottom flow resuspending bottom material or preventing suspended material from settling; in Makasar Strait there is probably inflow of deep water both from the south and from the north, resulting in a very slow bottom water flor. Bottom deposits in Makasar Strait and the Flores Basin are predominantly terrigenous, with an admixture of organic carbonate and silica (mostly coccoliths). Volcanic material is primarily present near to the volcanoes in the south and reaches the deeper basins by slumping. In the suspended matter no volcanic particles and little planktonic material were found, although the latter form 10 to 15% of the top sediment and of the material deposited in the sediment trap. In suspension particles with a large concentration of tin (Sn) were found associated mainly with iron. They probably come from northern Kalimantan or northern Sulawesi. Suspended matter concentrations were mainly less than 0.5 mg·dm−3, only off the Mahakam river mouth were concentrations higher than 1 mg·dm−3. Particle size was erratic because of the variable composition of the coarser particles in suspension. Organic matter concentrations in suspension (in mg·dm−3) roughly follow the distribution of total suspended matter but organic content (in %) of the suspended matter does not show any trends. All organic matter in suspension is of marine origin except in the Mahakam river and estuary. Deposition rates, as estimated from the sediment trap results, are 150 mg·cm−2·a−1 for the total sediment, 26 mg·cm−2·a−1 for carbonate and 13 mg·cm−2·a−1 for organic matter. Flocs and fibres in suspension were only found in and below the Mahakam river plume that reaches ca 400 km from the river mouth to the southeast, and in surface waters associated with plankton (diatoms). The formation of these flocs (broken-up macroflocs or marine snow) is primarily related to particle concentration, turbulence, and the presence of organisms that produce sticky material or glue particles together. |
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Publication Date |
2003-08-07 |
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ISSN |
0077-7579; 1873-1406 |
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UA library record |
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Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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no |
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Call Number |
UA @ admin @ c:irua:116825 |
Serial |
7814 |
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Permanent link to this record |
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Author |
Sholkovitz, E.R.; Van Grieken, R.; Eisma, D. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
The major-element composition of suspended matter in the Zaire river and estuary |
Type |
A1 Journal article |
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Year |
1978 |
Publication |
Netherlands journal of sea research |
Abbreviated Journal |
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Volume |
12 |
Issue |
3/4 |
Pages |
407-413 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Publication Date |
2003-08-07 |
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ISSN |
0077-7579; 1873-1406 |
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Additional Links |
UA library record |
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Impact Factor |
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Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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no |
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Call Number |
UA @ admin @ c:irua:116608 |
Serial |
8195 |
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Author |
Cardell, C.; Rivas, T.; Mosquera, M.J.; Birginie, J.M.; Moropoulou, A.; Prieto, B.; Silva, B.; Van Grieken, R. |
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Title |
Patterns of damage in igneous and sedimentary rocks under conditions simulating sea-salt weathering |
Type |
A1 Journal article |
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Year |
2003 |
Publication |
Earth surface processes and landforms |
Abbreviated Journal |
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Volume |
28 |
Issue |
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Pages |
1-14 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
000180775000001 |
Publication Date |
2003-01-10 |
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ISSN |
0197-9337 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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no |
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Call Number |
UA @ admin @ c:irua:40615 |
Serial |
8365 |
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Permanent link to this record |
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Author |
Kabsch-Korbutowicz, M.; Krupinska, B. |
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Title |
Removal of natural organic matter from water by using ion-exchange resins |
Type |
A1 Journal article |
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Year |
2008 |
Publication |
Przemysl chemiczny
T2 – Scientific and Technical Conference on Water and Wastewater Basis for, Environmental Protection (School of Quality Water 2008), MAY 28-30, 2008, Kolobrzeg, POLAND |
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Volume |
87 |
Issue |
5 |
Pages |
473-475 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Abstract |
Four aq. solns. contg. natural peat components and the water from Odra river were treated with 3 anion-exchange resins (2.5 to 15 cm(3) of resin per 1 dm(3) of the sample) for 5-60 min to remove the org. matter. The process efficiency was detd. by UV absorbance (254 nm) and colour intensity measurements. The treatment resulted in discoloration of the solns. A resin with weak alky, was the most efficient. The degree of removal increased with increasing the resin dose and contact time. The presence of inorg. anions in the soins. contributed to a decrease of process effectivity. |
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Wos |
000257179000020 |
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ISSN |
0033-2496 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
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Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:102617 |
Serial |
8471 |
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Permanent link to this record |
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Author |
Martin, J.-M.; Thomas, A.J.; Van Grieken, R.E. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Trace element composition of Zaire suspended sediments |
Type |
A1 Journal article |
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Year |
1978 |
Publication |
Netherlands journal of sea research |
Abbreviated Journal |
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Volume |
12 |
Issue |
3/4 |
Pages |
414-420 |
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Keywords |
A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation) |
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Wos |
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Publication Date |
2003-08-07 |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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ISSN |
0077-7579; 1873-1406 |
ISBN |
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Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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Notes |
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Approved |
no |
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Call Number |
UA @ admin @ c:irua:116609 |
Serial |
8688 |
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Permanent link to this record |
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Author |
Voordeckers, D.; Lauriks, T.; Baetens, D.; Ysebaert, T.; Denys, S.; Billen, P.; Tytgat, T.; Van Acker, M. |
![goto web page (via DOI) doi](http://nano.uantwerpen.be/nanorefs/img/doi.gif)
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Title |
Numerical study on the impact of traffic lane adjustments and low boundary walls on pedestrian exposure to NO2 in street canyons |
Type |
A1 Journal article |
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Year |
2023 |
Publication |
Landscape and urban planning |
Abbreviated Journal |
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Volume |
243 |
Issue |
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Pages |
104974-13 |
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Keywords |
A1 Journal article; Economics; Law; Engineering sciences. Technology; Art; Sustainable Energy, Air and Water Technology (DuEL); Research Group for Urban Development; Intelligence in PRocesses, Advanced Catalysts and Solvents (iPRACS); Research Group for Urban Development; Intelligence in PRocesses, Advanced Catalysts and Solvents (iPRACS) |
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Abstract |
Mitigating the adverse effects of air pollution, especially on human health, is one of the greater contemporary challenges for cities. Street canyons have herein been identified as bottleneck areas in urbanized environments. Focusing on the necessity of fast-response interventions, strategies to control source-receptor pathways (e.g. implementing low boundary walls (LBWs)) are gaining interest. A potential strategy which is greatly overlooked is the adjustment (reduction or displacement) of traffic lanes in order to increase the distance between source (traffic) and recipient (pedestrians). Within our study, computation fluid dynamics (CFD) is used to simulate the impact of alternations to traffic lanes (whether or not combined with LBWs) on the pedestrian exposure to NO2 for a specific case-study (Belgie center dot lei, Antwerp) under two prevailing wind directions. The average differences in NO2 concentrations for the entire pedestrian area ranged between +1.0 % to-3.6 %. On specific locations, reduction up to-8.0 % were reached. In case of perpendicular winds, a lateral displacement of all traffic lanes towards the windward facade including LBWs was found most beneficial to reduce pedestrian exposure. LBWs also showed to be efficient in reducing potential adverse effects of lane displacement under less frequent wind directions. |
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Wos |
001134403700001 |
Publication Date |
2023-12-06 |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0169-2046 |
ISBN |
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Additional Links |
UA library record; WoS full record |
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Impact Factor |
9.1 |
Times cited |
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Open Access ![sorted by Open Access field, descending order (down)](img/sort_desc.gif) |
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Notes |
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Approved |
Most recent IF: 9.1; 2023 IF: 4.563 |
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Call Number |
UA @ admin @ c:irua:201400 |
Serial |
9065 |
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Permanent link to this record |