Researchers developed a holistic monitoring system to investigate lake ecosystems' sensitivity to boat traffic, weather, and climate change. The system, WAMOS, accurately analyzes wave patterns and assigns causes, enabling precise modeling of ecosystem effects.
Researchers used SWOT satellite data to confirm that two mega tsunamis triggered by landslides caused trapped waves in the fjord. The study provides new insights into ocean extremes and how climate change affects remote areas.
A University of Melbourne expedition revealed that wind is a key cause of colossal rogue waves. The team's observations confirmed theories and provided critical information for future rogue wave prediction models.
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A new study using nearly a century of seismic data suggests that the average heights of winter waves along California's coast have increased as climate change has heated up the planet. This could amplify the effects of sea-level rise, leading to significant coastal impacts and erosion.
Salt marshes reduce wave run-up on dikes, but their impact is dependent on foreshore elevation and marsh width. In some locations, marshes are absent where mud flats are low-lying, highlighting the need for human interventions or hard engineering solutions to enhance protection.
Researchers found the Tonga tsunami reached 90 meters in height, outperforming previous tsunamis like 2011 Japan tsunami. The event emphasized the need for improved detection systems, as volcano-based tsunamis are currently 30 years behind earthquake-based event monitoring tools.
Researchers at Nagoya University used satellite data to track ionospheric disturbances after the 2022 Tonga underwater eruption, detecting earlier signs of tsunami waves. The team found that electromagnetic waves traveled 1000 km/s, much faster than air pressure waves, allowing for potentially quicker tsunami warnings.
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A new study in Nature explains the mechanism behind the exceptional tsunami that occurred after the Hunga Tonga-Hunga Ha'apai volcano explosion in 2022. The research team analyzed satellite and sea-level data worldwide, demonstrating that the tsunami was driven by an acoustic-gravity wave caused by the volcano eruption.
Scientists have found that axisymmetric 'spike waves' can exceed previously thought limits on ocean wave height, leading to significant implications for maritime safety. The new research revealed the fundamental mechanisms behind highly directional and crossing waves becoming much larger than others.
A new method for detecting tsunamis using existing GPS satellites has been developed by an international team of researchers. The system can issue warnings within 15 minutes of an earthquake or tsunami, and can be implemented in countries with a sparse GPS network.
A new study finds that the magnetic field generated by a tsunami can be detected a few minutes before changes in sea level, which could improve tsunami warning systems. The researchers used real-world data from two tsunamis to confirm this relationship and provide valuable insights for improving tsunami source models.
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Researchers from NTU Singapore found significant increases in pollutant emissions at major international seaports during the COVID-19 pandemic. Emissions rose by over 100% in some ports, with container ships and dry bulk carriers experiencing the largest spikes.
Researchers found that quantum mechanics' influence on particles affects light emission, demonstrating wavefunction collapse and altering interference patterns. The study sheds new light on the counter-intuitive phenomenon, revealing a direct connection between light emission and quantum entanglement.
Researchers at KAUST used high-resolution modeling to show coral reefs play a crucial role in reducing wave heights by half along the Red Sea coastline, enabling safer coastal construction and reduced fill material costs.
Researchers report that tsunami mitigation parks can effectively reduce damage from waves with amplitudes comparable to the hill height. The study highlights the need for buffer zones behind these hills to mitigate enhanced damage in their immediate vicinity.
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Researchers mapped out how much waves are likely to change around the globe under climate change, finding that limiting warming to 2 degrees would keep signals of wave climate change within natural variability. However, 48% of the world's coast is at risk if we don't limit warming, with changes in wave height, period, or direction.
Researchers analyzed wind speed and wave height measurements from satellites and ocean buoys to find extreme winds increasing by 8% and waves by 5% in the Southern Ocean over the past 30 years. This increase has significant implications for rising sea levels and coastal flooding.
Global ocean wind speeds and wave heights have increased slightly over the last three decades, according to a new study. The analysis of satellite data spanning thirty years confirms small but significant increases in extreme conditions, particularly in the Southern Ocean.
Researchers successfully recreated Hokusai's famous 'Great Wave' using laboratory mirrors, gaining insights into the physics of freak waves. The study found that a crossing angle of approximately 120 degrees was critical to reproducing the wave, highlighting new wave breaking behavior.
Tropical Depression 29W has been issued a warning by the Joint Typhoon Warning Center, located near Iwo To off Japan's eastern coast. The storm is expected to strengthen but become extratropical in 24 hours, posing no immediate threat to land masses.
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Tropical Cyclone Sagar appears more organized on satellite imagery, strengthened since May 17. The storm's maximum sustained winds have increased to 69 mph, posing a threat to Yemen, Somalia, and Djibouti.
Average winter wave heights have increased by more than 10mm/year along Scotland and Ireland's coastlines, leading to higher wave heights during extreme weather conditions. The study's findings are crucial for predicting future wave heights and protecting coastal communities across Western Europe.
Researchers developed a new approach to identify individual equatorial waves in wind and geopotential height fields using classical equatorial wave theory. This allows for the temporal and spatial evolution characteristics of equatorial waves, including their initiations, propagations, and interactions with tropical convections.
Researchers at IST Austria and Nvidia introduce a novel representation of waves that improves visual detail and user control while reducing computing cost. The method allows for more versatile and physically plausible simulations with minimal extra work.
Researchers used a unique wave tank to study wind-generated waves and found that rogue waves are more likely than expected. The experiment provided crucial information on the mathematical likelihood of these extreme events.
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Researchers found that rogue waves occur roughly twice daily at any given location in a storm and are not as rare as previously believed. The study provides critical information for designing and operating ships and platforms safely in extreme conditions.
A team of international scientists developed a simple mathematical explanation for rogue ocean waves, which can cause catastrophic damage. Their model uses nonlinear effects and constructive interference to predict the formation of these massive waves, allowing for improved forecasting and safety measures.
A new prediction tool developed by MIT engineers can detect rogue waves in calm waters, giving sailors a 2-3 minute warning. The algorithm analyzes wave groups and predicts the probability of a rogue wave developing based on their length and height.
Typhoon Chan-Hom's eye was clearly visible in a MODIS image taken by NASA's Aqua satellite on July 8, 2015. The storm had sustained winds of 85 knots and was predicted to intensify before making landfall near Wenzhou, China.
Typhoon Dolphin is a highly developed and organized storm with strong winds of up to 95 knots (109-132 mph) and wave heights of 32 feet. The typhoon is forecasted to bring damaging winds, torrential rains, and high surf to Guam and surrounding islands.
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Tropical Storm Dolphin is developing into a tropical cyclone with maximum sustained winds of 50-65 knots (54-74 mph) and wave heights of up to 18 feet. The storm is predicted to reach Guam by Friday with winds of 80 knots (92 mph), prompting a tropical storm watch for Fananu, Chuuk State.
Super Typhoon Noul made landfall in Santa Ana, Cagayan, with over 2,500 residents evacuated due to high winds and power outages. The storm is expected to weaken as it moves towards southern Japan and Taiwan.
Tropical Depression 07W is predicted to strengthen into a typhoon within the next five days as it moves eastward. The storm is currently located southeast of Micronesia and poses a threat to several islands, prompting tropical storm warnings and watches.
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The Philippines has raised a #2 warning for Luzon province due to tropical cyclone Noul's approaching landfall. Winds of up to 185 kph may be expected in at least 18 hours.
Typhoon Noul is expected to make landfall in the Luzon province of Catanduanes and Northern Samar in the next two days. The storm will steadily intensify to 115 knots over the next two days, posing a threat to the densely populated island.
Tropical Depression 07W is slowly moving east southeast at 5 knots, with sustained winds of 30 knots and a maximum wave height of 10 feet. A tropical storm watch has been issued for several islands in the Federated States of Micronesia, predicting intensification to typhoon strength in approximately 5 days.
Tropical Storm Noul poses a significant threat to Yap Island, with maximum sustained winds of 55 knots and wave heights reaching 20 feet. The storm is expected to intensify to 125 knots over the next five days.
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The Great Barrier Reef is an effective wave absorber, driving currents that transport nutrients and larvae. Wave reduction also has implications for shoreline stability. The reef's porosity varies by location, influencing wave height reduction.
Typhoon Halong is expected to make landfall in southern Japan on August 9 with maximum sustained winds near 85 knots, generating dangerous swells. The storm has already passed over the Minamidaito and Kitadaito Islands with hurricane-force winds.
Tapah downgraded from a tropical storm to a tropical depression due to strong vertical windshear and decreased sea surface temperature. The storm is currently tracking northwest at 10 knots per hour and expected to recurve to the northeast.
Tropical Cyclone Edna's convection breaks up as it approaches cooler waters and stronger wind shear near northern New Zealand.
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Tropical Cyclone Lehar is expected to bring strong winds, heavy rainfall, and a storm surge of up to 3 meters to northern Andhra Pradesh and southern Odisha. The Joint Typhoon Warning Center predicts the storm will strengthen before making landfall on November 27.
Super-typhoon Lekima is shifting its trajectory from northwesterly to northeasterly due to mid-latitude westerly winds and a trough. The storm is expected to weaken as it becomes extra-tropical, with cooler sea surface temperatures and increasing wind shear.
Super Typhoon Jelawat's eye has grown to 36 nautical miles, with extreme rainmaking and symmetrical circulation. The storm is expected to make landfall near Kyoto, Japan on Sept. 30, maintaining strong winds.
Tropical Storm Talim formed in the South China Sea on June 18, with NASA's TRMM satellite capturing moderate to heavy rainfall data. The storm is currently moving northeastward at 11 knots and is expected to weaken as it passes through the Strait of Taiwan.
Scientists at Oregon State University have found that maximum ocean wave heights off the Pacific Northwest have increased dramatically, reaching as high as 46 feet, forcing re-evaluation of '100-year event' predictions. The study highlights the potential for higher waves to dominate erosion, flooding and damage over sea level rise.
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Researchers found that focusing of waves by shoals and currents can increase the likelihood of freak waves by up to 10 times. Freak waves are extreme waves measuring roughly three times the size of average wave height, posing significant risks for shipping and navigation in coastal areas.
Researchers developed a statistical model to measure extreme wave heights, revealing seasonal variations in different locations. The study's findings have vital importance for coastal management, marine construction, and understanding biological processes.
University of Michigan researchers develop new computer program and analysis method to identify smaller wave combinations as major contributors to ship damage. The approach goes against traditional simulations that focus on individual wave height.
The NASA Scanning Radar Altimeter (SRA) captured detailed information on wave behavior in hurricanes, helping improve sea height forecasts. Ocean wave height responds rapidly to changes in a storm's wind speed, but the overall wave field is also driven by storm size and forward motion.
During NRL's Slope to Shelf Energetics and Exchange Dynamics field experiment, six current profiler moorings deployed on the continental shelf directly measured large waves up to 27.7 meters high during Hurricane Ivan. The measurements provide valuable data for assessing potential impacts of energetic storm waves on offshore structures.
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Researchers found that tsunami waves were more destructive on the west coast of Sri Lanka due to human intervention, such as coral poaching and beach re-landscaping. The study's findings highlight the importance of preserving natural coastal defenses against tsunamis.
Research shows waves in southern California and the North Pacific have increased in size and intensity over the past half century due to stronger wind and storm activity. The approach direction of winter ocean swells has rotated from northwesterly to westerly, reducing natural sheltering effects and increasing direct impacts on the coast.