About Stephanie Andrews

Stephanie Andrews is a Climate Scientist and Systems Specialist with NexSens Technology. She read Geography at the University of Cambridge (MA Cantab), where she was also sub-editor of the Geography department’s magazine, Compass. Andrews joined the Environmental Monitor Staff in 2024, focusing on highlighting environmental monitoring efforts across the world and NexSens user stories. In her free time, she enjoys exploring new places, scuba diving, and gymnastics. 

Articles By Stephanie Andrews

The buoy has been successfully piloted and will be redeployed in Spring 2025 for its first full season of data collection.

Wetlands

Harnessing Fluttering Foils: Vortex-Induced Vibration Energy from Lab to Sea

“We know in theory that it’s possible, but obviously, in practice, it doesn’t always pan out that way.” Spenser Boyd, Assistant Professor of Mechanical Engineering, is in his office at Webb Institute. This small, private college based in Glen Cove, New York, is uniquely specialized and only awards degrees...

  • Posted February 2, 2026
The buoy measures basic water quality parameters to mirror manual measurements, as well as additional parameters which the team is interested to explore in more depth.

Lakes

Tracking Three Rivers: Real-Time Buoy Boosts Monitoring and Accountability

When glaciers last retreated across the continental US, over 10,000 years ago, meltwater filled river channels and eroded the landscape. This was how the Allegheny, Monongahela, and Ohio Rivers–among many others–were formed; natural corridors for trade and travel that would, eventually, feed the industrial heart of Pittsburgh. Three Rivers...

  • Posted January 12, 2026
The buoy is located off Kusu Island and measures waves, current, and weather. The Elcee team conducts regular maintenance to collect data and ensure the buoy continues to work effectively and within regulations.

Oceans

The Hidden Work Behind Coastal Knowledge: A Buoy off Kusu Island, Singapore

Singapore is a small island country and city-state in Southeast Asia. At around 730km2–and slowly growing thanks to land reclamation efforts–it’s one of the most densely populated nations in the world. Although limited by physical space and resources, Singapore’s powerhouse economy is built on manufacturing and wholesale trade, which...

  • Posted December 22, 2025
The small size of the NexSens CB-75-SVS means it can be deployed from a small vessel, but is still visible to maritime traffic.

Oceans

Catching Waves: Comparing Buoys to Deliver Trusted Ocean Data at PacWave

The ocean could power the future. The Inter-Governmental Panel on Climate Change (IPCC) states that the potential for ocean energy easily exceeds present human energy requirements–but technology to harness it is still in its nascent phase. Growing power demands are forcing rapid innovation across many sectors, including diversifying energy...

  • Posted December 3, 2025
In Guyana, CB-450 buoys measure spatial and seasonal variations in water quality, supporting the management of water resources and development of water quality standards.

Lakes

From Panama to Patagonia: Advancing Water Monitoring Across Latin America with Base Flow

Across Latin America, access to reliable environmental data is becoming increasingly important for managing water resources, supporting energy production, and protecting ecosystems. From hydropower reservoirs facing climate-related variability to rapidly developing coastal areas, getting continuous, high-quality measurements to guide planning and safeguard natural systems has never been more important....

  • Posted November 19, 2025
The Ticino region in southern Switzerland is home to dramatic subalpine landscapes, but is changing quickly as a result of climate change.

Lakes

Smart Buoys Advance Climate Monitoring in Swiss Lakes

Lakes are sentinels of climate change. Globally, they are warming at an unprecedented but uneven rate, and in many places they also face direct human pressure, including from agriculture and recreation. In the Alps, scientists generally agree that climate change is of particular threat to remote lakes, where more...

  • Posted November 12, 2025
Oregon’s coast is the ideal location for WEC technology, but with maximum wave heights exceeding 60ft, it’s a challenging working environment.

Oceans

Riding the Renewable Wave: Testing Wave Energy Converters at Oregon’s PacWave Site

Seven miles off Oregon’s weather-beaten coastline, the world’s biggest wave power testing facility, PacWave, is primed to put the latest renewable energy technology to the test. “There is a huge amount of energy that is not harvested in the ocean,” states the team at Oregon State University involved in...

  • Posted November 5, 2025
The buoy systems play an integral role in monitoring the environmental impact and efficacy of OAE efforts in Halifax Harbor.

Earth

A Powerful Solution? Buoys Tracking the Potential of Ocean Alkalinity Enhancement

The climate is a complex network of interconnected systems. Halting the cascading impacts of climate change is not as straightforward as cutting anthropogenic greenhouse gas emissions. Even if these emissions ceased entirely today, it would take many thousands of years for carbon dioxide (CO2) to return to pre-industrial levels....

  • Posted October 29, 2025
These systems are providing the first real-time tide data since legacy systems failed, providing valuable insight for local officials and regional RIMES monitoring.

Oceans

New Tide Gauges Bring Real-Time Ocean Data to Timor-Leste’s Shores

Timor-Leste is a growing country in Southeast Asia that occupies the eastern half of the island of Timor. Since its emergence in 2002 as the first new sovereign state of the 21st century, it has made “significant progress in key areas.” In August 2025, two real-time oceanographic and meteorological...

  • Posted October 6, 2025
Lake Geneva’s depth (over 300m at its deepest point) makes it a good place to measure waves without bathymetric influences, and is sometimes called the “pocket ocean".

Lakes

What’s Floating on Lake Geneva? How LéXPLORE is Revolutionizing Lake Science

Lake Geneva (or Lac Léman) was formed some 15,000 years ago by retreating glaciers and is shared between France and Switzerland. Fringed by vineyard terraces and overlooked by both the Jura Mountains and the Alps, the lake is popular with visitors who come to enjoy the sights and recreation....

  • Posted September 3, 2025
The CURBY on the Potomac River. It provided environmental observing support to aid teams working on-site.

Rivers

How NOAA’s CURBY Aided Recovery Efforts After the 2025 DCA Plane Crash

On the evening of January 29, 2025, a military helicopter and an American Airlines flight collided midair over the Potomac River on the final approach into Ronald Reagan Washington National Airport (DCA) in Virginia, five miles from Washington, D.C. The incident marked the first major U.S. commercial airline crash...

  • Posted August 27, 2025
Two beavers sit in the hollowed-out interior of a large felled tree in the middle of one of their ponds.

Wetlands

Eager Beavers: Reintroducing Beavers to London for the First Time in Over 400 Years

Beavers are celebrated ecological engineers. Famously, they fell trees to access their primary food source–bark and leaves–and to build dams which trap sediment, creating ponds and meadows rich in biodiversity. Like humans, beavers initiate landscape-scale transformations, and their activities shape their surroundings, leaving a legacy for those that come...

  • Posted August 20, 2025
Adjustments being made to one of the systems, which sits at a tunnel mouth.

Earth

30 Minutes to Act: University City’s Award-Winning Flash Flood Prediction System

Flooding is already the deadliest severe weather hazard in Missouri, and under high-emissions scenarios, the central US is predicted to emerge as a flash flooding hotspot. University City, a suburb of St Louis, Missouri, is “violently” and “frequently” flooded by the River Des Peres, as Eric Karch–a civil engineer...

  • Posted August 11, 2025
The NexSens XB-200 “Smart Buoy” was deployed at White Lake in June 2025.

Lakes

New Buoy Boosts White Lake’s Water Quality Monitoring and Conservation

White Lake in Western Michigan is a vestige of North America’s glacial past, and gets its name from an interpretation of the Indian, “Wabish-Sippe,” meaning the river with white clay. The twin towns of Whitehall and Montague, which nestle on White Lake’s shore, have shared a close connection with...

  • Posted July 28, 2025
One type of station set-up, showing a radar water level sensor, weather station, water sampler, nutrient analyzer, and sondes for temperature, turbidity, conductivity, soil moisture and rainfall.

Lakes

Pushing Lake Science Upstream: Agriculture and Algal Blooms at Lake Erie

Lake Erie is the shallowest, most productive, and most southern of the Laurentian Great Lakes. Each summer, it suffers an algal bloom so large it can be seen from space. Since the 1960s, excess phosphorus—about 85% from agriculture—has fueled harmful algal blooms (HABs) typically between July and October. These...

  • Posted July 14, 2025
The canoe at Spruce Pond, Orwell.

Lakes

From Paddles to Phytoplankton: Studying Vermont’s Wildest Lakes

For six months of the year, Rachel Cray, a third-year PhD student at the Vermont Limnology Laboratory at the University of Vermont, lives between a microscope and her laptop, running data. For the other six months, she is hiking and canoeing four of Vermont’s lakes, collecting bi-weekly water samples....

  • Posted July 7, 2025
A dock-mounted real-time monitoring station that is used to collect data on red tides.

Wetlands

From Hurricanes to Florida’s Red Tides: Monitoring the Southwest Gulf Coast

Nearly every year, southwest Florida is blighted by harmful Karenia brevis blooms–known colloquially as Florida red tides.  These harmful algal blooms (HABs) form over the West Florida shelf and are pushed shorewards by winds and currents. Once in touching distance of the coast, they often intensify, fed by land-based...

  • Posted June 25, 2025
Monitoring station at Bound Brook, along the Herring River.

Wetlands

No Red Herrings: Data Driving the Largest Salt Marsh Restoration in the NE USA

The Herring River system encompasses around 1,000 acres in the Towns of Wellfleet and Truro, Massachusetts. In 1909, the Chequessett Neck Road dike was built at the river’s mouth, drastically limiting tidal flow. Today, it’s one of the most restricted estuaries in the northeastern United States. As a result,...

  • Posted June 16, 2025
The FAMU-SOE NexSens buoy is deployed in an important oyster faming area. Through an ongoing relationship, students, researchers, and farmers, are all able to glean environmental insights from the data it provides. Credit: The School of the Environment.

Oceans

Floating Global New Ideas: Buoy-Enabled Research at Florida Agricultural and Mechanical University’s School of the Environment

Florida Agricultural and Mechanical University (FAMU), based in Tallahassee, Florida, is the highest-rated public Historically Black College or University in the United States. FAMU’s School of the Environment (FAMU-SOE) offers BS and BA degrees in Environmental Studies, and BS, MS, and Ph.D. degrees in Environmental Science, with specialisms available...

  • Posted May 28, 2025
NexSens Applications Scientist Joe Davidson assisting the Miami University team with the deployment of the XB-200 data buoy.

Fish Science

Three Decades of Research at Acton Lake

A multi-disciplinary team at Miami University, Ohio, has been studying the environmental change at Acton Lake for over three decades. Using three different NexSens buoys over this time, the team has an incredible archive of data that is helping build a picture of Acton’s past, present, and future. Until...

  • Posted May 21, 2025

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