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Students build giant antenna to explore far reaches of Earth’s atmosphere

Undergraduates at the University of Hawaiʻi at Mānoa were inspired to build a giant antenna to explore hundreds of miles above the planet. The antenna, known as an ionosonde, project began after a lecture from atmospheric sciences Professor Giuseppe Torri about phenomena that can occur in the ionosphere, one of the highest layers of the Earth’s atmosphere. The ionosphere …

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USDA Expands Pasture, Rangeland, and Forage Crop Insurance to Hawaii

WASHINGTON, April 30, 2024 – The U.S. Department of Agriculture (USDA) is expanding Pasture, Rangeland, and Forage (PRF) rainfall index insurance to include Hawaii beginning in 2025. The PRF insurance option protects livestock producers against feed loss due to lack of precipitation, providing producers on the Big Island of Hawaii with coverage for grazing acres. This …

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Giuseppe Torri

$700K to investigate Hawaiʻi’s climate through scientific, Indigenous approaches

Hawaiʻi’s communities and ecosystems are particularly vulnerable to extreme weather events, such as flash floods and wildfires. To gain a better understanding of the climate across the Pacific, University of Hawaiʻi at Mānoa atmospheric scientist Giuseppe Torri, will conduct research that leverages both scientific and traditional knowledge in Hawaiʻi with a $700,000 CAREER award from the National Science Foundation (NSF). Beginning this …

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3D photogrammetry techniques were used to assess ecology of the reef system. (Photo credit: Todd Glaser)

Researchers: Olympic tower construction could damage Tahiti reef ecosystem

In preparation for the 2024 Olympic surfing competition, a new judging tower is being constructed in the reef lagoon at Teahupo’o, Tahiti. That construction poses a threat to the reef and its ecosystem, according to researchers from the University of Hawaiʻi at Mānoa, UH Hilo, Arizona State University and community partners in Tahiti. The group published a study in Remote …

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The computer program identifies miconia in aerial photographs using visual cues such as leaf size and shape (see miconia plants circled based on the computer identification). Each plant is linked to GPS coordinates giving crews a location so they can then remove the plant. — Spatial Data and Visualization Lab photo

For healthy reefs, productive watersheds, resource managers are turning to AI

Artificial Intelligence (AI) is changing the way we work–not just for chatbots in customer service or conjuring fake images. AI excels at repetitive and redundant tasks; it can increase workflow efficiency and speed up data analysis. These types of tasks are not limited to office work; even the work of protecting natural resources from invasive …

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International summit addresses urgent water challenges

To address pressing water-related issues affecting Hawaiʻi and beyond, the Hydrological Sciences Summit, hosted by the Water Resources Research Center (WRRC), kicked off at the University of Hawaiʻi at Mānoa campus on February 15. The event brought together approximately 30 participants from North America and Hawaiʻi, both in person and via Zoom. “Hawaiʻi is facing a myriad of water problems from flooding to drought,” …

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Giant sea salt aerosols play major role in Hawaii’s coastal clouds, rain

View image credit & caption Research News Giant sea salt aerosols play major role in Hawaii’s coastal clouds, rain Particles scatter light, act as starting point for cloud formation and initiate or limit rainfall January 25, 2024 Despite their tiny sizes, aerosols — such as sea salt, dust and ash — play a significant role …

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UH Hilo field work creates new map to help visitors to veterans cemetery

Visitors to the East Hawaiʻi Veterans Cemetery No.1 grounds in Hilo have a new map to assist them in locating gravesites thanks to a map created by student geographers from the University of Hawaiʻi at Hilo. The team used drones, hands-on fieldwork and extensive geographic information system (GIS) programming to create the map. The online map gives viewers an overhead view of …

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