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Satellites guide world's top yachts through Southern Ocean 'iceberg alley'

07 March 2005

Three of the world's largest and fastest yachts are in the midst of a non-stop trans-global race, hurtling in excess of 25 knots - 46 kilometres per hour - through the Southern Ocean encircling Antarctica. Iceberg collision is a real risk, but ice-sensitive radar satellites are monitoring the area to provide advance warning to crews.

Envisat detects 'grass of the sea' blooming early off Norway.

04 March 2005

Spring starts early this year in Norway's fjords and coastal waters, with sunny weather awakening a colourful bloom of marine phytoplankton. ESA's Envisat spacecraft is being used to monitor its development.

Envisat marks its third year in orbit

04 March 2005

A colourful view of the Bangladesh coastline to mark the week of ESA's Envisat environmental satellite's third anniversary in orbit.

B-15A iceberg's close encounter monitored by Envisat

19 January 2005

Some anticipated the 'collision of the century': the vast, drifting B15-A iceberg was apparently on collision course with the floating pier of ice known as the Drygalski ice tongue. Whatever actually happens from here, Envisat's radar vision will pierce through Antarctic clouds to give researchers a ringside seat.

Breath of the dragon: ERS-2 and Envisat reveal impact of economic growth on China's air quality

09 January 2005

China's spectacular economic growth during the last decade has brought many benefits ? and some challenges. Global atmospheric mapping of nitrogen dioxide pollution performed by ERS-2's GOME and Envisat's SCIAMACHY reveals the world's largest amount of NO2 hanging above Beijing and northeast China, as reported in Nature this week.

Envisat provides support to relief efforts with imagery of tsunami-stricken areas.

03 January 2005

A week after the tsunami that hit Asia on 26 December the death toll is still rising. Nearly 140 000 people are confirmed dead, more than 1.8 million people need food aid and an estimated five million are homeless.

Satellites guide ship through South Pacific's watery desert

23 December 2004

There is a desert in the heart of the South Pacific. Surrounding Easter Island is the purest and bluest seawater on Earth, almost empty of the microscopic phytoplankton at the base of the marine food web. French vessel L'Atalante recently completed a research cruise through this region, its day-to-day route guided by ocean colour satellites.

Satellites plus software equal best-ever Mediterranean heat map

15 December 2004

This ultra high-resolution sea surface temperature map of the Mediterranean could only have been made with satellites. Any equivalent ground-based map would need almost a million and a half thermometers placed into the water simultaneously, one for every two square kilometres of sea.

Darfur aid workers receiving assistance from orbit

06 December 2004

It is hard to overstate the scale of the humanitarian emergency unfolding in Sudan's strife-torn Darfur region: by current estimates there are 1.45 million people displaced from their homes across an area the size of France. However, images from space are assisting aid workers as they cope with the crisis.

Global air pollution map produced by Envisat's SCIAMACHY

11 October 2004

Based on 18 months of Envisat observations, this high-resolution global atmospheric map of nitrogen dioxide pollution makes clear just how human activities impact air quality.

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