OOIR: Observatory of International Research

Papers

(The median citation count of Water Research X is 4. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Hydrolysis capacity of different sized granules in a full-scale aerobic granular sludge (AGS) reactor	105
Effects of functional groups of polyfluoroalkyl substances on their removal by nanofiltration	103
Spatiotemporal estimation of groundwater and surface water conditions by integrating deep learning and physics-based watershed models	102
Phosphorus migration from sediment to phosphorus-inactivating material: A key process neglected by common phosphorus immobilization assessments for lake geoengineering	93
Decoupling locally enhanced electric field treatment (LEEFT) intensity and copper release by applying asymmetric electric pulses for water disinfection	88
A comprehensive kinetic model for phenol oxidation in seven advanced oxidation processes and considering the effects of halides and carbonate	67
Influent carbon to phosphorus ratio drives the selection of PHA-storing organisms in a single CSTR	53
A macro-level analysis of the socio-economic impacts of climate change driven water scarcity: Incorporating behavioural and resilience aspects	51
Coarse bubble mixing in anoxic zone greatly stimulates nitrous oxide emissions from biological nitrogen removal process	49
Ensuring microbial water quality for on-site water reuse: Importance of online sensors for reliable operation	48
Efficient and sustainable removal of linear alkylbenzene sulfonate in a membrane biofilm: Oxygen supply dosage impacts mineralization pathway	42
Modeling transient mixed flows in sewer systems with data fusion via physics-informed machine learning	39
Periodic chemical cleaning with urea: disintegration of biofilms and reduction of key biofilm-forming bacteria from reverse osmosis membranes	39
Stagnation leads to short-term fluctuations in the effluent water quality of biofilters: A problem for greywater reuse?	32
A systematic review of influenza virus in water environments across human, poultry, and wild bird habitats	31
In-sewer iron dosing enhances bioenergy recovery in downstream sewage sludge anaerobic digestion: The impact of iron salt types and thermal hydrolysis pretreatment	30
A systematic review on the role of trust in the water governance literature	30
Mechanism insight into the facet-dependent photoaging of polystyrene microplastics on hematite in freshwater	28
Disinfection byproducts formed during drinking water treatment reveal an export control point for dissolved organic matter in a subalpine headwater stream	28
Start-up of a full-scale two-stage partial nitritation/anammox (PN/A) process treating reject water from high solid anaerobic sludge digestion (HSAD)	28
Aquacultural source of nitrous oxide revealed by nitrogen isotopes	28
One-year stable pilot-scale operation demonstrates high flexibility of mainstream anammox application	25
Removal of perfluoroalkyl acids and common drinking water contaminants by weak-base anion exchange resins: Impacts of solution pH and resin properties	25
Soil-derived Dissolved Organic Matter in Inland Wetlands along A Temperate River: Insights from Spectroscopic Characteristics Coupled with Machine Learning Methods	24
Tools for interpretation of wastewater SARS-CoV-2 temporal and spatial trends demonstrated with data collected in the San Francisco Bay Area	21

Mitigating risks and maximizing sustainability of treated wastewater reuse for irrigation	21
A cohesive Microcoleus strain cluster causes benthic cyanotoxic blooms in rivers worldwide	20
Enrichment and identification of a moderately acidophilic nitrite-oxidizing bacterium	19
Effectiveness of cyclic treatment of municipal wastewater by Tetradesmus obliquus – Loofah biofilm, its internal community changes and potential for resource utilization	19
Making waves: Public health risks from arsenic in Mexico's water extraction practices	19
Cyanobacteria as dominant mediator of altitudinal gradient effects on phytoplankton community diversity in freshwater ecosystems: Evidences from the freshwater Lakes along the Hu Line	19
A maverick: Environmentally relevant concentrations of nonylphenol attenuate the plasmid-mediated conjugative transfer of antibiotic resistance genes	17
A systematic review and meta-analysis of pathogen reduction in onsite sanitation systems	16
Adjusted bacterial cooperation in anammox community to adapt to high ammonium in wastewater treatment plant	16
Demonstrating the reduction of enteric viruses by drinking water treatment during snowmelt episodes in urban areas	16
Increasing fish production in recirculating aquaculture system by integrating a biofloc-worm reactor for protein recovery	16
A unit process log reduction database for water reuse practitioners	16
Biological activated carbon filter for greywater post-treatment: Long-term TOC removal with adsorption and biodegradation	15
A novel approach to interpret quasi-collimated beam results to support design and scale-up of vacuum UV based AOPs	15
Predictive water virology using regularized regression analyses for projecting virus inactivation efficiency in ozone disinfection	15
Gravity-driven membrane filtration with compact second-life modules daily backwashed: An alternative to conventional ultrafiltration for centralized facilities	15
Benchmarks for urine volume generation and phosphorus mass recovery in commercial and institutional buildings	15
Corrigendum to ‘Amyloid adhesin production in activated sludge is enhanced in lab-scale sequencing batch reactors: Feeding regime impacts microbial community and amyloid distribution’ [Water Research	14
Identifying periods impacted by sewer inflow and infiltration using time series anomaly detection	14
Effects of hydraulically disconnecting consumer pumps in an intermittent water supply	14
Leveraging multi-level correlations for imputing monitoring data in water supply systems using graph signal sampling theory	14
The neglected ammonia leaching calcium in anaerobic granular sludge	13
Why are decentralised urban water solutions still rare given all the claimed benefits, and how could that be changed?	13
Why stories matter in water research: A case for narrative style paper writing	13
On-site urine treatment combining Ca(OH)2 dissolution and dehydration with ambient air	13
Removal of urea in ultrapure water system by urease-coated reverse osmosis membrane	13
Sorghum-grown fungal biocatalysts for synthetic dye degradation	12
Microbial paracetamol degradation involves a high diversity of novel amidase enzyme candidates	12
The impact of blue-green infrastructure on trace contaminants: A catchment-wide assessment	11
Tracing N2O formation in full-scale wastewater treatment with natural abundance isotopes indicates control by organic substrate and process settings	11
State of the art of urine treatment technologies: A critical review.	11
Extended water stagnation in buildings during the COVID-19 pandemic increases the risks posed by opportunistic pathogens	11
Capsid integrity quantitative PCR to determine virus infectivity in environmental and food applications – A systematic review	11
Release of contaminants from polymer surfaces under condition of organized fluid flows	10
Making waves: Xanthates on the radar – Environmental risks and water quality impact	9
Low-cost monitoring systems for urban water management: Lessons from the field	9
Modeling and experimental approaches for determining fluoride diffusion kinetics in bone char sorbent and prediction of packed-bed groundwater defluoridator performance	9
Scattered and transmitted light as surrogates for activated carbon residual in advanced wastewater treatment processes: Investigating the influence of particle size	9
Coupling physical selection with biological selection for the startup of a pilot-scale, continuous flow, aerobic granular sludge reactor without treatment interruption	9
Occurrence and Removal of 42 Legacy and Emerging Per- and Polyfluoroalkyl Substances (PFAS) in Drinking Water Treatment Plants in South Korea	8
Co-quantification of crAssphage increases confidence in wastewater-based epidemiology for SARS-CoV-2 in low prevalence areas	8
WITHDRAWN: Cryptosporidium in fish: Implications for aquaculture and beyond	8
Predictability of initial hydrogeochemical effects induced by short-term infiltration of ∼75 °C hot water into a shallow glaciogenic aquifer	8
Dual-purpose elemental sulfur for capturing and accelerating biodegradation of petroleum hydrocarbons in anaerobic environment	8
WITHDRAWN: Microbial bioremediation of produced water under different redox conditions in marine sediments	8
Disruptions in loading and aeration impact effluent chlorine demand during biological greywater recycling	8
A novel approach for accurate quantification of lake residence time — Lake Kinneret as a case study	8
Integrating machine learning algorithm with sewer process model to realize swift prediction and real-time control of H2S pollution in sewer systems	7
Isotope analysis of nitrogen removal pathways and N2O production potential in the SDAD-anammox system under different N/S ratios	7
Hydrology and water quality drive multiple biological indicators in a dam-modified large river	7

SARS-CoV-2 wastewater surveillance in the Czech Republic: Spatial and temporal differences in SARS-CoV-2 RNA concentrations and relationship to clinical data and wastewater parameters	7
Making waves: Knowledge and data fusion in urban water modelling	7
Occurrence of male-specific and somatic coliphages and relationship with rainfall in privately-owned wells from peri‑urban and rural households	7
Model-based monitoring of diffuser fouling using standard sensors	7
Towards the standardization of Enterococcus culture methods for waterborne antibiotic resistance monitoring: A critical review of trends across studies	6
Enhanced nitrogen removal for low C/N wastewater via preventing futile carbon oxidation and augmenting anammox	6
Teamwork without talking: distributed system estimates maintain approximately centralized control of smart urban drainage systems during communications outages	6
Three-dimensional convolutional neural network for leak detection and localization in smart water distribution systems	6
Comprehensive evaluation of UV inactivation of E. coli using multiple gene targets and real-time quantitative PCR	6
Nanoplastics are significantly different from microplastics in urban waters	5
Using multi criteria decision analysis in a geographical information system framework to assess drought risk	5
A critical review of ultra-violet light emitting diodes as a one water disinfection technology	5
Making Waves: Why water reuse frameworks need to co-evolve with emerging small-scale technologies	5
Long short-term memory models of water quality in inland water environments	5
Application of organic silicon quaternary ammonium salt (QSA) to reduce carbon footprint of sewers: Long-term inhibition on sulfidogenesis and methanogenesis	5
Continuous high-frequency pesticide monitoring to observe the unexpected and the overlooked	5
Modulation of ultrathin nanosheet structure and nitrogen defects in graphitic carbon nitride for efficient photocatalytic bacterial inactivation	5
Making waves: A vision for digital water utilities	5
Diverse and active archaea communities occur in non-disinfected drinking water systems–Less activity revealed in disinfected and hot water systems	4
Quantification of individual Rare Earth Elements from industrial sources in sewage sludge	4
UV aged epoxy coatings ̶ Ecotoxicological effects and released compounds	4
Development and optimization of analytical methods for the detection of 18 taste and odor compounds in drinking water utilities	4
Removal of soluble divalent manganese by superfine powdered activated carbon and free chlorine: Development and application of a simple kinetic model of mass transfer–catalytic surface oxidation	4
A positive contribution to nitrogen removal by a novel NOB in a full-scale duck wastewater treatment system	4
Carbon footprint analysis of wastewater treatment processes coupled with sludge in situ reduction	4
Opportunities and challenges of tackling Scope 3 “Indirect” emissions from residential hot water	4
The interplay of suspended sediment concentration, particle size and fluid velocity on the rapid deposition of suspended iron oxide particles in PVC drinking water pipes	4
An electrochemical advanced oxidation process for the treatment of urban stormwater	4
Ozonation products of zidovudine and thymidine in oxidative water treatment	4
Research stories along the urban water cycle	4