Field Monitoring Articles

  • KNMI - Field test of the Lufft / Jenoptik SHM30 laser snow depth sensor - Case Study

    Field test report of the Lufft / Jenoptik SHM30 laser snow depth sensor, conducted by Netherlands weather service KNMI - R&D Information and Observation Technology - De Bilt, from December 2011 - June ...

  • VENTUS-X-UMB field test in Norway - Case Study

    In a project, launched in January 2016, the Norwegian airport systems integrator Avinor has tested a new VENTUS-UMB model with an enhanced heating power. Two of the new models have run in the field, installed at the most extreme sites in Norway, where they are delivering wind data reliably ever since their installation. One is placed at the top of Kjølen mountain, close to Tromsø ...

  • Biofiltration field study for cold Fe(II)- and Mn(II)-rich groundwater: accelerated Mn(II) removal kinetics and cold-adapted Mn(II)-oxidizing microbial populations

    Removal of Mn(II) from Fe(II)- and Mn(II)-rich groundwater in cold regions is challenging, due to slow Mn(II) removal kinetics below 15 °C. This study demonstrated onset, acclimation, and acceleration of Mn(II) removal in a two-stage pilot-scale biofilter (Fe and Mn filters) at varying low on-site temperatures (8–14.8 °C). Mn(II) removal commenced at 8 °C in the Mn filter after Fe(II) removal. ...


    By IWA Publishing

  • Field study on N2O emission from subsurface wastewater infiltration system under variable loading rates and drying-wetting cycles

    In this field study, the impacts of influent loadings and drying-wetting cycles on N2O emission in a subsurface wastewater infiltration (SWI) system were investigated. N2O emitted under different operation conditions were quantified using static chamber and gas chromatograph techniques. N2O conversion rate decreased from 6.6 ± 0.1% to 2.7 ± 0.1% with an increase in hydraulic ...


    By IWA Publishing

  • Axetris Sensor Field Test

    The Axetris LGDs were operated continuously for two years. After intensive laboratory testing, they went out into the field in 2015. Axetris was able to test the functionality of its sensors under real-life conditions thanks to the support of the Linth waste incineration plant. The gas concentration measuring devices called laser gas detectors ( ...


    By Axetris Ag

  • Ecology of duckweed ponds used for nutrient recovery from wastewater

    The microorganism community that grows under duckweed shelter can play an important role on treatment processes. Therefore, the present study aimed to assess the zooplankton dynamic and microbial community in duckweed ponds (DPs) applied for domestic wastewater treatment under open field conditions. A pilot system comprised of two DPs in series (DP1 and DP2), with 10 m2 each, received domestic ...


    By IWA Publishing

  • Dynamic simulation of sediment resuspension and its effect on water quality in Lake Taihu, China

    Quantitative studies on sediment release fluxes and their impact on water quality are important for water pollution control, ecological restoration, water safety, and human health. In this study, we conducted high-frequency, synchronous field observations of meteorology, hydrology, and water quality to determine the relationship between sediment release rate and wind speed in the central ...


    By IWA Publishing

  • Case study - BioContainer Iraq

    Project: Mobile BioContainer  System Type: BioContainer Combi – 500PE Country: Iraq Client: Viking Drilling  Capacity: 36 m³/day Year of Installation: 2012. ...


    By BioKube A/S

  • Liquid-gas mass transfer at drop structures

    Over the last decades, considerable progress has been made in the understanding of the sulfur cycle in sewer systems. In spite of a wealth of experimental and field studies that have addressed the release of hydrogen sulfide from free surface flows in gravity sewers and the corresponding air-water mass transfer, little is known about hydrogen sulfide emission under highly turbulent conditions ...


    By IWA Publishing

  • TORC Oil and Gas Customer Success Story

    TORC Oil & Gas Ltd is an intermediate producer that specializes in high quality light oil opportunities in the Western Canadian sedimentary basin. TORC had no reporting capability that provided an overall view of project status, just well lists and columns of field data in the master spreadsheet. Moreover, adding projects or bringing new consultants on board was too burdensome. This ...


    By Arkit

  • Particle separation from road runoff by a decentralised lamella system – laboratory tests and experiences in the field

    A new decentralised settling system based on the principle of lamella separation was developed for the treatment of road runoff. Two different laboratory test methods, the DIBt (Deutsches Institut für Bautechnik) procedure and our own approach, were applied in order to evaluate the efficiency of the system based on the separation of fine mineral particles and a mixture of mineral and organic ...


    By IWA Publishing

  • Turkana Basin Institute, Kenya, East Africa - Case Study

    A PP10 was installed at the Turkana Basin Institute, Richard Leakey's remote archeological field station in northern Kenya, the energy from a 10kW Power Pallet is intended to offset their high diesel fuel costs. A world class research facility, centered in an area with some of the most extensive deposits of remains ...


    By All Power Labs

  • Ceramic pot filters lifetime study in coastal Guatemala

    Ceramic pot filters (CPFs) are an effective means of household water treatment, but the characterization of CPF lifetimes is ongoing. This paper describes a lifetime field study in Guatemala which was made possible by a collaboration between researchers, CPF-using households, and local non-governmental organizations (NGOs). Disinfection data were collected periodically for two years using ...


    By IWA Publishing

  • Groundwater discharge downstream of an arid inland river in Northwestern China

    Nalenggele River is an inland river located in the arid, fragile ecological environment area in Northwestern China. Groundwater discharge to the river can significantly impact the ecologic environment in the Nalenggele River basin, but few hydrogeological studies have been conducted in the inland arid basin. In this paper, two sections were chosen to analyze the groundwater discharge in the ...


    By IWA Publishing

  • Successful Dunbar Field Life Extension

    The advent of high-power multiphase pumps is changing the world of oil production. In particular, they allow continued production from fields that are nearing the end of their useful lives. These revolutionary pumps have been in operation since autumn 1999 on the Dunbar platform, in the UK sector of the North Sea. Multiphase pumping (MPP) is essentially a means of adding energy to the ...


    By Sulzer Management Ltd

  • Field Hospitals

    Combat and disaster zones require complete medical support for everything from simple illnesses and scrapes, to intensive care, surgery, and even isolation capacity in the event of the outbreak of a disease or virus such as Ebola. Portable field hospitals provide the rapid deployment, ...


    By Blu-Med Response Systems

  • Estuary salinity prediction using a coupled GA-SVM model: a case study of the Min River Estuary, China

    Estuary salinity predictions can help to improve water safety in coastal areas. Coupled genetic algorithm-support vector machine (GA-SVM) models, which adopt a GA to optimize the SVM parameters, have been successfully applied in some research fields. In light of previous research findings, an application of a GA-SVM model for tidal estuary salinity prediction is proposed in this paper. The ...


    By IWA Publishing

  • Reducing costs through precise remote tracking

    Historically, inline inspection (ILI) tools used to identify defects on oil and gas pipelines have been tracked by field teams. However, recent technology advancements now allow pipeline owners to track pigs remotely, which is a much safer and cheaper alternative to traditional tracking. As pipeline integrity technology advances, asset owners are now using a wide variety of tools to detect ...


    By Pure Technologies

  • The importance of public acceptance to boost Europe’s natural gas projects

    Gastech News: What are the key issues affecting your business within the gas industry today? Thijs Starink: First and foremost, the Groningen earthquakes, which are causing a lot of turmoil in the Netherlands, and have over the last 3 years eroded public acceptance for the gas exploration and production industry. Then, the lower oil and gas prices ...

  • A comparative approach using ecotoxicological methods from single‐species bioassays to model ecosystems

    Soft sediments are often hotspots of chemical contamination and a thorough ecotoxicological assessment of this habitat can help to identify the causes of stress and to improve the health of the respective ecosystem. As an important component of the ecologically relevant meiobenthic fauna, nematodes can be used for sediment assessments, with various assay tools ranging from single‐species ...


    By John Wiley & Sons, Ltd.

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