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Application of Index Velocity Method in Complex Flow Conditions
The collection of accurate and reliable flow records in open channel flow is dependent on several factors of which a stable stage-discharge relationship is...
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Case Study: ADCPs Guiding Intelligent Decisions on Malaysia's Smart Tunnel Project
But behind the massive tunnels and the huge catch basins is a system just as staggering – the SMART Project’s nerve system, a network of flood detection...
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Case Study: Continuous Data Keeps Brazilian Ports’ Business Flowing
HidroMares has installed its SISMO systems at seven port complexes around Brazil, from ocean terminals in the south to an inland river port in the Amazon...
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App Note: Hydrosurveyor Enables Rapid Reservoir Surveys
As the regulatory requirement to assess United Kingdom reservoirs and lakes expands to include smaller bodies of water, SonTek’s HydroSurveyor system has been...
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App Note: Sontek-IQ Shallow Flow Meter Revolutionizes Flow Measurement in the Australian Bush
It’s hard to picture just how flat Australia’s Murray-Darling Basin is, but picture this – tens of thousands of square kilometers braided with slow-flowing...
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Case Study: Closing the Gates - Monitoring and Ingenuity Help Louisiana Communities Battle Storms
The federal government saw the need for a flood control system through Terrebonne (Louisiana) and neighboring parishes, and in 1992, began a study to map out a...
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Hydrosurveyor Enables Rapid Indian Railways Bridge Surveys
The HydroSurveyor-M9 system from SonTek, a Xylem brand, is an instrument/technology that Indian Railway has employed to rapidly measure bathymetry data along...
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App Note: CTD Monitoring Technology Helps Reveal Arctic Secrets
A group of Arctic researchers has employed the latest monitoring technology to investigate the effects of climate change, by measuring temperature and salinity...
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Exploring Eelgrass - Shallow Water Beds Capture CO2
Waving gently in the shallows of California's Humboldt Bay, meadows of eelgrass glow green in the tides. The long, fluttering leaves of the eelgrass do more...
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Case Study: Watching Waves - Busy Singapore Port Adds Sensor Technology to Ensure Safe Berthing
With the large volume of cargo vessels relying on the country’s ports, the Maritime and Port Authority of Singapore (MPA) has the challenging task of managing...
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Case Study: Determining Total Volume of Sludge in Wastewater Ponding Lagoons
Surveys were performed of three Wastewater Ponding Lagoons and a TWM storage lagoon at Kalgoorlie-Boulder Wastewater Treatment Plant (WWTP) to determine the...
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App Note: ADV Sediment Flow Research by Louisiana State
Subsiding and choked off from the Mississippi River, southeastern Louisiana’s coastal marshlands have steadily sunk and become more saline. According to U.S....
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Case Study: Remote Bathmetric Survey in Kalgoorlie Mine Pits, Australia
Previously, volume surveys of impounded waters in pit lakes had been undertaken using Total Station positioning and soundings taken froma boat on the lake....
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Paper: Discharge and Bathymetric Data Collection of Sinar Mas Forestry Plantation Canals in Indonesia
Water management in the Sinar Mas Forestry plantations presents an immense amount of challenges. With over 2.6 million hectares of concession areas to manage,...
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App Note: Clever Kayak Rig Navigates Tricky Bathmetry Challenge
It was a small lake, but a big challenge. Covering about 43 acres (17 ha), the lake is at the center of the Lake Forest subdivision in Daphne, Alabama and is...
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Speed of Sound in Water Corrections for a Multibeam Bathymetric Survey Conducted With a Castaway-CTD in a Malaysian Reservoir
The Linggiu Reservoir in Johor State, Malaysia, plays a critical role in regulating and releasing waters to the Johor River in order to “push” back a salt...
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Clearer Views - Flow Data Will Help Springs Recovery
Silver Springs—a network of two dozen or more springs in central Florida—bubble up through central Florida’s Karst formations, limestone beds that have been...
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Inuit Hunters Use Castaway-CTD to Gather Data Under Hudson Bay Ice
The hunters recognized the changes. A shot seal would usually float, buoyed by its blubber atop the dense saltwater of Canada’s Hudson Bay. Now the seals were...
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App Note: Flowtracker Helps Nepal River Expedition
The Bagmati is both a sacred river and a city sewer, running through Nepal’s capital city of Kathmandu before heading into the mountains and over the Indian...
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App Note: Monitoring Coral Reefs in the Caribbean
The Caribbean Community Climate Change Centre (CCCCC) awarded YSI Integrated Systems and Services (a division of Xylem Inc.) a contract for five marine...
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App Note: South San Joaquin Irrigation District Takes the Lead in 21st Century Flow Monitoring
These are not easy times to run an irrigation district in California. Honing its efficiency, protecting its workers, working to comply with new water...
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App Note: Argonaut-XR Customer Stories
In February 2006 field tests began on the SonTek® Modbus Interface Module (MIM.) These tests were conducted by the Central Arizona Irrigation District (CAIDD)...
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Xylem’s Chihuahua Facility Embraces Reuse Solutions to Advance Water Stewardship
Overview Xylem has a global operational footprint that spans 21 countries and includes 54 manufacturing facilities. Among those is Xylem’s facility in...
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Flygt Concertor eliminates clogging at Italian wastewater pumping station
The Squero wastewater pumping station serves the popular seaside town and beach resort of Fano in the Marche region of Italy, bordering the Adriatic Sea. In an...
