air temperature profiler Articles

  • Mind the bandgap | A temperature profiling technology comparison

    When it comes down to determining temperature in environmental media, there are many options—from fiber-optic to infrared sensing technologies—to observe and quantify the relative kinetic energy of a material. For single point data acquisition and a given specific temperature range and target medium, of course certain technologies are more optimal than others.  When it comes to ...


    By BeadedStream

  • Case study - Buoy-based temperature profiling in the Bavarian Lakes

    In summertime a temperature stratification occurs in deep lakes – the surface water is warm, but deep down the water is cold.  This has considerable influence on the nutrient balance and the biological habitat in these lakes. Due to generally higher air temperatures induced by the climate change, both change and have effects on the life conditions of the ecosystems in the lakes. ...


    By OTT HydroMet

  • Experimental study of turbulence and vertical temperature profile in the urban boundary layer

    We observed the turbulence and vertical profile of temperature in and above the roughness sublayer (RS) using a tower, a tethered balloon and a Doppler sodar in Himeji City. A 3–D ultrasonic anemometer–thermometer was sited at a height of 54 m on the tower. The present results showed that in the RS, the ratio of friction velocity to wind speed, u* /u, observed under unstable ...


    By Inderscience Publishers

  • What is an `IAQ Profile`?

    The 'IAQ Profile' is a visual presentation of indoor air quality. PPM Technology's range of IAQ Monitors enable continuous monitoring of Indoor Air Quality; this precisely describes changes in concentration levels of selected air quality parameters over a period of time.  The IAQ Profile provides the knowledgebase and database for improving indoor air quality efficiently and ...


    By PPM Technology

  • Permafrost Monitoring - High resolution temperature profiling of active layer permafrost at Teshekpuk Lake - Case Study

    Teshekpuk Lake is the largest lake in the Alaskan Arctic and the third largest lake in the state. Given the importance of this region to an abundance of native wildlife and expected environmental changes associated with projected sea-level rise, coastline erosion and oil and gas development, the Teshekpuk Lake Observatory (TLO) was established as an effort to gain a ...


    By BeadedStream

  • Clearing the air

    Atmospheric chemist Susan Solomon finds hope in past environmental challenges. Written by Jennifer Chu, MIT News Office. You can read the original story in MIT News ...

  • Pre-processing of meteorological data: vertical profiles

    In the framework of COST-710, working group III aims to recommend formulations of atmospheric vertical profiles of wind, temperature and turbulence. This intermediate report gives a brief overview of existing methods to calculate vertical profiles. A short note on existing datasets for validation purposes is given.Keywords: atmospheric turbulence, turbulence time-, scale, vertical profiles, ...


    By Inderscience Publishers

  • Spatial and temporal distribution of snow water content and response to air temperature in seasonal snow in the western Tianshan Mountains, China

    The snow water content was measured with a portable instrument (Snow Fork) in the Tianshan Station for Snow-cover and Avalanche, Chinese Academy of Sciences (TS) during the snow period in the winter of 2009–2010. The results indicated that the variation of snow water content increases exponentially over time. In the accumulation-stable period, the migration of liquid water is from the ...


    By IWA Publishing

  • Supplier profile: Aeration Industries Int’l. Inc.

    Pollution Engineering recently spoke with Aeration Industries co-founder and President Dan Durda. Mr. Durda co-founded the company, which celebrates its 30* anniversary this year, with his father, Joseph Durda, in Minneapolis, Minn. Known as the land of 10,000 lakes, a healthy fish population was very important to in-state residents. The company's first products were thus designed to reduce the ...

  • How to Choose the Ideal Oven Temperature Logger

    Read This Before You Decide On An Oven Temperature Profiling Data Logger Vendors regularly speak with customers to address the key question: “How do I choose the ideal oven temperature logger for my oven temperature application?” Whether you are an engineer planning for your next furnace temperature profiling project or a paint shop filling a requisition intended for paint testing as part of ...


    By CAS DataLoggers

  • The Right Mix for Clean Air

    Reducing air pollution is an increasingly important topic all around the world. Many governments—also in developing countries—set new limits for emissions such as nitrogen oxides in flue gas. Sulzer offers advanced mixing technology for flue gas cleaning. The installation in a large power plant shows that these high-performance mixers can cope with the most difficult requirements. ...


    By Sulzer Ltd.

  • How to Choose the Ideal Oven Temperature Logger

    Read This Before You Decide On An Oven Temperature Profiling Data Logger Vendors regularly speak with customers to address the key question: “How do I choose the ideal oven temperature logger for my oven temperature application?” Whether you are an engineer planning for your next furnace temperature profiling project or a paint shop filling a requisition intended for ...


    By CAS DataLoggers

  • Why high temperature combustion of landfill gas?

    Due to the accumulation of knowledge and the tightening of environmental law, the landfill technology has increasingly become concerned with the management of trace compounds in landfill gas. With landfill gas, contamination is through sulphur, chlorine, fluorine, halogenated hydrocarbons and heavy metals. Other trace elements such as volatile organic compounds (VOC), impose environmental ...


    By Hofstetter BV

  • The top questions...and answers on measuring temperature in glass production

    Get the answers to the top questions asked about temperature measurement in glass production 1. How can I measure Glass Tank Refractory Temperatures? The NIR Borescope is used for continuous temperature monitoring and recording of the refractory inside a glass tank offering ...


    By AMETEK Land

  • Researchers use `global thermometer` to track temperature extremes, droughts

    Large areas of the Earth's surface are experiencing rising maximum temperatures, which affect virtually every ecosystem on the planet, including ice sheets and tropical forests that play major roles in regulating the biosphere, scientists have reported. Earth's ...


    By ScienceDaily

  • The effect of surrounding temperature on liquefied petroleum gas behaviour during exhaustion process

    Liquefied petroleum gas (LPG) is considered to be a cleaner fuel because it has less impact on air quality. However, the potential benefit of LPG usage in domestic or residential sectors in Malaysia is hampered by LPG residue in cylinder. A few critical factors, such as LPG composition, exhaustion rate and surrounding temperature, have been identified to significantly contribute to the LPG ...


    By Inderscience Publishers

  • Canarina DISPER Software · air pollution · algorithms 2

      Software · air pollution · algorithms 2   Symbol / Definition Ly= Initial plume length for Schulman-Scire downwash sources ...

  • Impact of barrages on downstream air entrained in water and on upstream river water quality

    This research studies the effect of barrages on upstream river water quality and on its self-assimilative. Also, the impact of barrages on upstream water temperature profile is studied. The amount of entrained air in water at river downstream side as a result of barrage existence is also studied. Constructing barrages in river reaches will alter its hydraulics and thus its water quality and ...


    By Inderscience Publishers

  • French vertical-flow constructed wetlands in mountain areas: how do cold temperatures impact performances?

    The French version of vertical-flow constructed wetlands (VFCWs) is characterized by treating directly raw wastewater on a first-stage filter. VFCW is a well developed technology with more than 3,500 plants in operation in France. However, VFCW performance may be affected under the low temperatures reached in mountain areas during winter. The effect of cold conditions over 12 plants, ranging ...


    By IWA Publishing

  • The Whole Plant Approach to Air Emission Modeling for NESHAP Compliance

    ABSTRACTLong overlooked, the air emissions associated with biological treatment of process wastewaters continue to be further scrutinized and regulated. The common approach is to utilize EPA’s Water9 as a model to present findings and support permitting activities. It is essential when using a model that not only is the facility modeled appropriately, but also that the specific compound ...

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