horizontal wind monitoring Articles

  • Hourly NOx concentrations and wind direction in the vicinity of a street intersection

    This study relates NOxconcentrations and wind (speed and direction) measured inside an asymmetric street canyon, with ambient wind. The monitoring site is located near a street intersection. The wind measured at the domestic airport located in the city, near the coast, has been considered as ambient wind. Wind direction at the monitoring site inside the canyon is mainly from the E, NE, W and NW ...


    By Inderscience Publishers

  • ADMS 5 Buildings & Complex Terrain Validation Baldwin Power Plant

    1 Introduction The Baldwin Power Plant1 (Hanna and Chang [3]) was located in a rural, flat terrain setting of southwestern Illinois, USA, and had three identical 184-m stacks aligned approximately north-south with a horizontal spacing of about 100 ni. There were 10 SO2 monitors that surrounded the facility, ranging in distance from 2 to 10 km. On-site meteorological data ...

  • Gill Instruments case study featured in AWE International

    AWE International magazine, which is focused on the environmental analysis industry, recently featured Gill Instruments in a case study about environmental monitoring with solid-state meteorological instruments. The case study includes information about all of the products within the Gill Instruments range, with information about their advantages within the environmental analysis field. We have ...


    By Gill Instruments Limited

  • miniSODAR

    The miniSODAR is a high-frequency Doppler sodar system that was designed to measure the atmospheric wind profile from 15 meters to 150/200 meters (data is often available to 250 meters) in 5-meter increments. It operates by generating a short tone burst (30 ms to 100 ms) in the frequency range of 4 kHz to 6 kHz. It monitors the low-level acoustic signal echoed by the atmosphere. The echo is ...

  • Canarina DISPER Software · air quality information system · algorithms 4

      Canarina DISPER Software · air quality information system   Symbol / Definition z= Receptor/terrain height above mean sea level (m) zd= Dry deposition reference height (m) zr= Receptor ...

  • Closures of mine a new challenge for Romania

    AbstractThe mining activity is one of the oldest activity in Romania, dating from the year 100 B.C. The gold and silver ores represented one of the riches of our country. In time the economic content of metals diminuend, and the ore mines become non profitable. Due to this situation the best option of the State was the closure and ecological rehabilitation of the mines.The steps for the ...


  • Constructed Wetlands for Domestic Wastewater Treatment and its Reuse in Irrigation

    Introduction This project focuses on South Europe, the region important for tourism and agricultural production, both activities with high water demand. Mentioned region is already experiencing problems with water scarcity and the situation is expected to worsen according to the international prognosis (Angelakis et al, 1999). Climate change could cause problems with water supply and water ...


    By IWA Publishing

  • Class I area impact analyses – recent guidance and updates

    As recommended in Appendix W of 40 Code of Federal Regulations (40 CFR) Part 51 (Guideline on Air Quality Models), the CALPUFF modeling system has been widely used for long-range transport dispersion modeling analyses, especially for applications related to Class I Area analyses (e.g., regional haze evaluation and Class I Prevention of Significant Deterioration (PSD) increment analysis). As U.S. ...


    By Trinity Consultants

  • Fire prevention strategies, storm cleanup

    WHEN IT comes to the importance of clearing dead and diseased trees as a fire prevention step, Wayne Williams of San Diego County, California is living (and breathing) it. “I was walking around the fire zone, and where residents had cleared spaces around their homes, the house was usually saved,” says Williams. “Houses without a firebreak, or on a ridge (where fire can leap out of a canyon), were ...


    By BioCycle Magazine

  • Renewable energy marketplace

    ALLU Group markets two types of equipment for use in biomass energy operations. The ALLU Screener Crusher bucket attaches to a front-end loader. The bucket is designed to aerate, crush, screen and mix at one time. The Screener Crusher has a rigid steel frame, onto which horizontally rotating screening and crushing drums are mounted. All the drums rotate in the same direction. There are several ...


    By BioCycle Magazine

  • SolarBee Technical Bulletin

    A. SOLARBEE OVERVIEW 1. Origin of the SolarBee. Pump Systems, Inc. (PSI) developed, built and installed its first solar powered mixer in Dickinson, ND, in the summer of 1998. It was installed into a 30 acre x 13 foot deep municipal wastewater reservoir which had a long history of toxicity associated with ammonia, odor, and stratification problems. In six weeks the entire reservoir cleared up to ...


    By Medora Corporation

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