| Clogging in subsurface-flow treatment wetlands: occurrence and contributing factors P Knowles, G Dotro, J Nivala, J García Ecological engineering 37 (2), 99-112, 2011 | 452 | 2011 |
| Treatment wetlands G Dotro, G Langergraber, P Molle, J Nivala, J Puigagut, O Stein, ... IWA publishing, 2017 | 405 | 2017 |
| Treatment of landfill leachate using an aerated, horizontal subsurface-flow constructed wetland J Nivala, MB Hoos, C Cross, S Wallace, G Parkin Science of the Total Environment 380 (1-3), 19-27, 2007 | 334 | 2007 |
| Clogging in subsurface-flow treatment wetlands: measurement, modeling and management J Nivala, P Knowles, G Dotro, J García, S Wallace Water research 46 (6), 1625-1640, 2012 | 277 | 2012 |
| Oxygen transfer and consumption in subsurface flow treatment wetlands J Nivala, S Wallace, T Headley, K Kassa, H Brix, M van Afferden, R Müller Ecological engineering 61, 544-554, 2013 | 245 | 2013 |
| Emerging organic contaminants in vertical subsurface flow constructed wetlands: influence of media size, loading frequency and use of active aeration C Ávila, J Nivala, L Olsson, K Kassa, T Headley, RA Mueller, JM Bayona, ... Science of the total environment 494, 211-217, 2014 | 165 | 2014 |
| Comparative analysis of constructed wetlands: The design and construction of the ecotechnology research facility in Langenreichenbach, Germany J Nivala, T Headley, S Wallace, K Bernhard, H Brix, M van Afferden, ... Ecological engineering 61, 527-543, 2013 | 140 | 2013 |
| Effect of design and operational conditions on the performance of subsurface flow treatment wetlands: Emerging organic contaminants as indicators S Kahl, J Nivala, M van Afferden, RA Müller, T Reemtsma Water research 125, 490-500, 2017 | 138 | 2017 |
| Emerging biodegradation of the previously persistent artificial sweetener acesulfame in biological wastewater treatment S Kahl, S Kleinsteuber, J Nivala, M van Afferden, T Reemtsma Environmental science & technology 52 (5), 2717-2725, 2018 | 128 | 2018 |
| Microbial community metabolic function in subsurface flow constructed wetlands of different designs M Button, J Nivala, KP Weber, T Aubron, RA Müller Ecological Engineering 80, 162-171, 2015 | 124 | 2015 |
| Energy requirements for nitrification and biological nitrogen removal in engineered wetlands D Austin, J Nivala Ecological Engineering 35 (2), 184-192, 2009 | 120 | 2009 |
| Dynamics of emerging organic contaminant removal in conventional and intensified subsurface flow treatment wetlands J Nivala, S Kahl, J Boog, M van Afferden, T Reemtsma, RA Müller Science of the Total Environment 649, 1144-1156, 2019 | 119 | 2019 |
| Escherichia coli removal and internal dynamics in subsurface flow ecotechnologies: Effects of design and plants T Headley, J Nivala, K Kassa, L Olsson, S Wallace, H Brix, M van Afferden, ... Ecological engineering 61, 564-574, 2013 | 115 | 2013 |
| Removal of selected organic micropollutants in planted and unplanted pilot-scale horizontal flow constructed wetlands under conditions of high organic load O Carranza-Diaz, L Schultze-Nobre, M Moeder, J Nivala, P Kuschk, ... Ecological Engineering 71, 234-245, 2014 | 108 | 2014 |
| Hydraulic characterization and optimization of total nitrogen removal in an aerated vertical subsurface flow treatment wetland J Boog, J Nivala, T Aubron, S Wallace, M van Afferden, RA Müller Bioresource technology 162, 166-174, 2014 | 103 | 2014 |
| Reversing clogging in subsurface-flow constructed wetlands by hydrogen peroxide treatment: two case studies J Nivala, DPL Rousseau Water Science and Technology 59 (10), 2037-2046, 2009 | 99 | 2009 |
| Side-by-side comparison of 15 pilot-scale conventional and intensified subsurface flow wetlands for treatment of domestic wastewater J Nivala, J Boog, T Headley, T Aubron, S Wallace, H Brix, S Mothes, ... Science of the Total Environment 658, 1500-1513, 2019 | 84 | 2019 |
| Wetland technology: practical information on the design and application of treatment wetlands G Langergraber, G Dotro IWA publishing, 2019 | 73 | 2019 |
| Urban transformations: Sustainable Urban development through resource efficiency, quality of life and resilience S Kabisch, F Koch, E Gawel, A Haase, S Knapp, K Krellenberg, J Nivala, ... Springer, 2018 | 60 | 2018 |
| Vertical flow constructed wetlands for decentralized wastewater treatment in Jordan: Optimization of total nitrogen removal J Nivala, G Abdallat, T Aubron, I Al-Zreiqat, B Abbassi, GM Wu, ... Science of the total environment 671, 495-504, 2019 | 57 | 2019 |
Scott D. WallaceFounder and President Naturally Wallace ConsultingVerified email at NaturallyWallace.com