Search Results for: ocean

New hypoxic event found off Oregon coast

For the second time in three years, a hypoxic “dead zone” has formed off the central Oregon Coast. It’s killing fish, crabs and other marine life and leading researchers to believe that a fundamental change may be taking place in ocean conditions in the northern Pacific Ocean.

The event appears similar to one in 2002, when an area of ocean water with low oxygen content formed in the nearshore Oregon coast between Newport and Florence, causing a massive die-off of fish and inver

NASA Extends TRMM Operations Through 2004 Hurricane Season

NASA will extend operation of the Tropical Rainfall Measuring Mission (TRMM) through the end of 2004, in light of a recent request from the National Oceanic and Atmospheric Administration (NOAA). The extension, to be undertaken jointly with NASA’s TRMM partner, the Japan Aerospace Exploration Agency (JAXA), will provide data during another storm season in the U.S. and Asia.

TRMM has yielded significant scientific research data over the last seven years to users around the globe. In

Envisat’s Rainbow Vision Detects Ground Moving At Pace Fingernails Grow

Originally developed to pinpoint attacking aircraft during World War Two, today’s advanced radar technology can detect a very different moving target: shifts of the Earth’s crust that occur as slowly as the growth of your fingernails.

Radar data from satellites such as ESA’s Envisat are used to construct ’interferograms’ that show millimetre-scale land movements. These rainbow-hued images provide scientists with new insights into tectonic motion, and an enhanced ability to calculate

Endangered Turtles’ Trek Along Ocean Currents Revealed By Satellite

The site where Europe’s spacecraft are launched into orbit, the Atlantic shoreline of French Guiana, is also the starting point for another hardly less remarkable journey: the epic migration of the critically endangered leatherback turtle.

Scientists have been using tracking sensors to follow the long treks of individual leatherbacks, then overlaying their routes with sea state data, including near-real time maps of ocean currents gathered by satellites including ESA’s ERS-2

Climate change could doom Alaska’s tundra

In the next 100 years, Alaska will experience a massive loss of its historic tundra, as global warming allows these vast regions of cold, dry, lands to support forests and other vegetation that will dramatically alter native ecosystems, an Oregon State University researcher said today.

Polar regions such as Alaska will be among the first to illustrate the profound impacts of climate change, said Dominique Bachelet, an associate professor in the OSU Department of Bioengineering and

Removing Dams Can Restore Wildlife Habitat at Small Cost

By applying new mathematical techniques to river ecology, a University of Maryland biology professor has found that removing dams to reconnect rivers in a watershed like Oregon’s Willamette River could result in significant wildlife habitat restoration benefits at a comparatively small economic cost.

William Fagan, associate professor of biology at the University of Maryland, presented his findings at the Society for Conservation Biology’s Annual meeting, last week at Colum

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