tide recorder Articles

  • The rising tide of shareholder activism

    In this article, IRRC's Meg Voorhes examines the recent growth in shareholder advocacy, as evidenced by both the number and range of shareholder resolutions proposed at corporate AGMs, with a particular focus on how institutional investors are dealing with proposals that ask companies to respond to climate change issues or report on sustainability. By any measure, shareholder activism has grown ...


    By AHC Group

  • The rising tide of environmental refugees

    Our early twenty-first century civilization is being squeezed between advancing deserts and rising seas. Measured by the biologically productive land area that can support human habitation, the earth is shrinking. Mounting population densities, once generated solely by population growth, are now also fueled by the relentless advance of deserts and may soon be affected by the projected rise in sea ...


    By Earth Policy Institute

  • Turning back the tide - Remaking the EPA

    Stressing the importance of scientific integrity and transparency, EPA Administrator Lisa P. Jackson last month called for key changes to the process for reviewing National Ambient Air Quality Standards (NAAQS) to protect human health and the environment. 'It’s essential that the best science and the greatest transparency inform air quality standards that prevent illness and save lives,' said ...


    By GLOBE Foundation

  • Control of the phytoplankton distribution in the Strait of Gibraltar by wind and fortnightly tides

    CTDefluorescenceeturbidity profiles from two surveys conducted in June and September 1997 were examined in order to evaluate the influence of the predictable fortnightly (spring/neap) tidal cycle and the less predictable wind on the phytoplankton distribution in the Strait of Gibraltar. The injection of the nutrient-rich North Atlantic Water (NACW) in the Atlantic inflowing current is associated ...


  • Warmest Decade on Record Brings Record Temperatures and Weather Extremes

    In recent years weather events have whiplashed between the extremes of heat and cold, flooding and drought. Carbon dioxide and other greenhouse gases—largely from the burning of coal, oil, and natural gas—have loaded up in the atmosphere, heating the planet and pushing humanity onto a climatic seesaw of weather irregularities. High-temperature records in many places are already being ...


    By Earth Policy Institute

  • Stevens Equipment Records Historical Information During Tsunami

    One of the longest lived products in water resource monitoring has been the Stevens’ chart recorder. In fact, the chart recorder, originally invented by Stevens’ founder and namesake J.C. Stevens in 1911, is the product that established Stevens’ leadership in the water monitoring business.  It’s no surprise then that some of these chart recorders have had long service lives and have recorded ...

  • New records of Scaphodinium mirabile (Dinophyceae), an unnoticed dinoflagellate in the Pacific Ocean

    Previous records of dinoflagellate Scaphodinium mirabile Margalef (Leptodiscaceae, Noctilucales) were restricted to the Mediterranean-Black Sea and Eastern Atlantic Ocean. Nine and 34 specimens were observed in the upper 100 m layer in May and July, respectively, in a cross-section in the vicinity of the Kuroshio Current (NW Pacific Ocean). Nearly all the Lugol-fixed specimens appeared folded ...


  • Case Study Port of Hamburg/Germany

    LOG_aLevel Storm Tide Network at the Port of Hamburg, Germany Since 2003 a Storm Tide Network from General Acoustics GmbH (GA) has been satisfactory operating at the Port of Hamburg. In a first test phase of two years a LOG_aLevel station was successfully tested by the Hamburg Port Authority (HPA) against its conventional gauges. Due to the good results in terms of accuracy and ...


    By General Acoustics e.K.

  • Case Study Norderney LOG_aLevel_ENG

    Northsea Wave and Level Measuring Station In the operation of the research centre coast of the NLWKN–Norden-Norderney Apart from the coastal engineering, the coastal surveying and morphology, the storm tide warning service of the NLWKN-Norden-Norderney belong to the specific questions and tasks of the coastal area. The German Wadden Sea and ...


    By General Acoustics e.K.

  • The Power of the Moon

    The influence the moon has on life on earth is disputed. However, during an assignment in Southeast Asia, vibration experts from Sulzer were able to clearly confirm that the moon can even affect pumps. With its broad expertise, the Sulzer team was able to solve an unusual case of vibration. Southeast Asia is a key exporter of LNG (liquefied natural gas) to global markets, and it is ...


    By Sulzer

  • Monitoring network for Scottish ports - Case Studies

    Historically, ferry masters operating off the west coast of Scotland would have to sail to a port and on arrival visually assess the weather and tide conditions before deciding whether safe berthing alongside the pier or quayside would be possible. This wastes time and fuel, and can causes immense frustration among passengers, who may see ferries come close to a port, but thereafter depart ...

  • MSF plants provide over 46 years of reliable high purity water production

    The Facility Southern Peru Copper Company’s (SPCC) facility located in Ilo, Peru requires high purity water for boiler make-up at the smelter power plant. Process water for various smelter and mining operations and potable water for the town and Port of Ilo is also needed. SPCC’s first Aqua-Chem ICD long tube multistage flash (MSF) seawater desalination plant producing ...

  • San Alfonso del Mar, Chili case study

    Crystal Lagoons Corp. and Technology San Alfonso del Mar seawater swimming pool is the largest swimming pool of the world made by Crystal Lagoons Corp. (www.crystal-lagoons.com). It is 1.013 metres (3.324 ft) long, contains 250 million litres of water and has a surface area of 8 hectares (19,77 acre), it was completed in December 2006. This ...


    By LG Sonic

  • Case study - Westbay System Data improved understanding of groundwater conditions in geologic repository

    Multilevel well system delivered accurate measurements of hydraulic properties CHALLENGE One of the major challenges facing  ANDRA during the initial stages of  construction was to monitor the effects of  construction on the geological formations  overlying the argillite. SOLUTION To monitor changes in ...


  • PPCPs: Preparing for an uncertain regulatory future

    A recent study published in Environmental Pollution* identified 56 active pharmaceutical ingredients (APIs) in effluent samples from 50 large wastewater treatment plants across the U.S. Among the products found in samples were commonly prescribed anti-psychotic and antihypertensive drugs. As more studies continue to fuel public concerns over risks to public health and the environment, wastewater ...

  • The toxic dinoflagellate Gymnodinium catenatum: an invader in the Mediterranean Sea

    Over the last few decades, Mediterranean marine biodiversity has been undergoing rapid alterations due to climate change and human impact (TURLEY 1999), and has become exceptionally susceptible to fish, ...


  • Hurricane Isaac caps off America’s summer of extreme weather

    This post was co-authored by Forbes Tompkins, an intern with WRI’s Climate and Energy Program. This post is part of WRI’s “Extreme Weather Watch” series, which explores the link between climate change and extreme events. Read our other posts ...

  • Keeping quiet about DCNS

    DCNS, one of Europe’s leading naval defence groups and contractor for integrated warships and systems, is a dedicated user of Brüel & Kjær sound and vibration solutions. This article, written with the support of DCNS, illustrate show PULSE™ is playing a central role at key DCNS operation centres in Northern France; helping with design, maintenance, acceptance testing ...

  • Want to change the future? Pay attention to the past.

    From Mandela to MLK to McKibben, history offers lessons aplenty for climate activists We all know the plotline: Single-minded, passionate activists attempt to take on immense money and power, hidebound ideology and bureaucratic paralysis to turn the tide on the most important issue ever. We could be talking about climate change. But we could also be talking about the abolition of ...


    By Ensia

  • 5 Growing Extreme Weather Threats to America’s Cities

    Weather events have been dominating the news recently thanks to the “polar vortex” that caused record cold temperatures across the nation. But just a few months ago, the news was filled with other events: record rain and flooding in Colorado; destructive tornadoes in Oklahoma; widespread drought in the Southwest; and the sluggish recovery from Superstorm Sandy in New Jersey. Unlike ...


    By GLOBE Foundation

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